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bffae6975e
23786 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Xin Long
|
bffae6975e |
net: change tcp_syn_retries documentation
Documentation should be kept consistent with the code: static int tcp_syn_retries_max = MAX_TCP_SYNCNT; #define MAX_TCP_SYNCNT 127 Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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|
Linus Torvalds
|
a200dcb346 |
virtio: barrier rework+fixes
This adds a new kind of barrier, and reworks virtio and xen to use it. Plus some fixes here and there. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJWlU2kAAoJECgfDbjSjVRpZ6IH/Ra19ecG8sCQo9zskr4zo22Z DZXC3u0sJDBYjjBAiw3IY1FKh7wx2Fr1RhUOj1bteBgcFCMCV1zInP5ITiCyzd1H YYh1w9C2tZaj2T4t9L4hIrAdtIF8fGS+oI2IojXPjOuDLEt6pfFBEjHp/sfl3UJq ZmZvw4OXviSNej7jBw8Xni3Uv18yfmLGXvMdkvMSPC1/XL29voGDqTVwhqJwxLVz k/ZLcKFOzIs9N7Nja0Jl1EiZtC2Y9cpItqweicNAzszlpkSL44vQxmCSefB+WyQ4 gt0O3+AxYkLfrxzCBhUA4IpRex3/XPW1b+1e/V1XjfR2n/FlyLe+AIa8uPJElFc= =ukaV -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio barrier rework+fixes from Michael Tsirkin: "This adds a new kind of barrier, and reworks virtio and xen to use it. Plus some fixes here and there" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (44 commits) checkpatch: add virt barriers checkpatch: check for __smp outside barrier.h checkpatch.pl: add missing memory barriers virtio: make find_vqs() checkpatch.pl-friendly virtio_balloon: fix race between migration and ballooning virtio_balloon: fix race by fill and leak s390: more efficient smp barriers s390: use generic memory barriers xen/events: use virt_xxx barriers xen/io: use virt_xxx barriers xenbus: use virt_xxx barriers virtio_ring: use virt_store_mb sh: move xchg_cmpxchg to a header by itself sh: support 1 and 2 byte xchg virtio_ring: update weak barriers to use virt_xxx Revert "virtio_ring: Update weak barriers to use dma_wmb/rmb" asm-generic: implement virt_xxx memory barriers x86: define __smp_xxx xtensa: define __smp_xxx tile: define __smp_xxx ... |
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Linus Torvalds
|
d43fb9f3c5 |
fbdev changes for 4.5
* pxafb: device-tree support * An unsafe kernel parameter 'lockless_register_fb' for debugging problems happening while inside the console lock * Small miscellaneous fixes & cleanups * omapdss: add writeback support functions * Separation of omapfb and omapdrm (see below) About the separation of omapfb and omapdrm, see http://permalink.gmane.org/gmane.comp.video.dri.devel/143151 for longer story. The short version: omapfb and omapdrm have shared low level drivers (omapdss and panel drivers), making further development of omapdrm difficult. After these patches omapfb and omapdrm have their own versions of the drivers, which are more or less direct copies for now but will diverge soon. This also means that omapfb (everything under drivers/video/fbdev/omap2/) is now in maintenance mode, and all new development will be done for omapdrm (drivers/gpu/drm/omapdrm/). -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJWnKg1AAoJEPo9qoy8lh71lrsP/RwwG8FDMl2tgwcsKVa/VlbF oez/CaNeZ9Jz0qd5RbIzIS9QdbL0AZugg4twwl76UbHWT477Z3EbUmpw++78kasr RFKDWYqMbxw3kshRDyALinGQmxPOPjNnc5mt9CYKzK4x0pJSLBmZc8qaNK3L4a5a eLJ3h6UhQDY61D04qr+LuTCETAxNR78x+NNIG7vYa9oS0ZDDrhlDyVPw4akPDMS6 6Y5NgtRL1h2mq2hLBgTDCrwx3p7yZbnkSRKbpFnw/yddiXilND1d75JoW+0F6vKW U8DiRKxYtHNBdry4HlpRwufT52wkmtA/2puCW5Smw8araQ7R+s+wOt/1HAYQM72g 8UCmNFMbhBpk8x8pT24ja4wyTLM9gaZqG9MWHLPEPbE6WicxSbqEAvIX9sakXLv6 dDaf1SHZ+DFpq0jOwC8Rcnx1JFeeNNDf5cJb2pZI2Zka5jayQRTdbxeZGGnpFzu1 1ZMiNQ24U+n9hgjV9QMiCW24TEBXFhFTf0Nlne3VP7qUbmvLqMUdGxGwM+b25/El SW/peryWglxsn5EBA7XybK+RTYxbjDtD5a8SOjD2YTNqVVVFHgf7z05SfSmYO5yi H67eDqdt0YsEGG87I8hv3eKM7FSRlYAywTC2mPfSOJ3+/G+18OU/voepcJHZ15x7 SO3e/TFTrtglJzjVzX8j =Nrji -----END PGP SIGNATURE----- Merge tag 'fbdev-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev updates from Tomi Valkeinen: "Summary: - pxafb: device-tree support - An unsafe kernel parameter 'lockless_register_fb' for debugging problems happening while inside the console lock - Small miscellaneous fixes & cleanups - omapdss: add writeback support functions - Separation of omapfb and omapdrm (see below) About the separation of omapfb and omapdrm, see http://permalink.gmane.org/gmane.comp.video.dri.devel/143151 for longer story. The short version: omapfb and omapdrm have shared low level drivers (omapdss and panel drivers), making further development of omapdrm difficult. After these patches omapfb and omapdrm have their own versions of the drivers, which are more or less direct copies for now but will diverge soon. This also means that omapfb (everything under drivers/video/fbdev/omap2/) is now in maintenance mode, and all new development will be done for omapdrm (drivers/gpu/drm/omapdrm/)" * tag 'fbdev-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (49 commits) video: fbdev: pxafb: fix out of memory error path drm/omap: make omapdrm select OMAP2_DSS drm/omap: move omapdss & displays under omapdrm omapfb: move vrfb into omapfb omapfb: take omapfb's private omapdss into use omapfb/displays: change CONFIG_DISPLAY_* to CONFIG_FB_OMAP2_* omapfb/dss: change CONFIG_OMAP* to CONFIG_FB_OMAP* omapdss: remove CONFIG_OMAP2_DSS_VENC from omapdss.h omapfb: copy omapdss & displays for omapfb omapfb: allow compilation only if DRM_OMAP is disabled fbdev: omap2: panel-dpi: simplify gpio setting fbdev: omap2: panel-dpi: in .disable first disable backlight then display OMAPDSS: DSS: fix a warning message video: omapdss: delete unneeded of_node_put OMAPDSS: DISPC: Remove boolean comparisons OMAPDSS: DSI: cleanup DSI_IRQ_ERROR_MASK define OMAPDSS: remove extra out == NULL checks OMAPDSS: change internal dispc functions to static OMAPDSS: make a two dss feat funcs internal to omapdss OMAPDSS: remove extra EXPORT_SYMBOLs ... |
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Linus Torvalds
|
5807fcaa9b |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris: - EVM gains support for loading an x509 cert from the kernel (EVM_LOAD_X509), into the EVM trusted kernel keyring. - Smack implements 'file receive' process-based permission checking for sockets, rather than just depending on inode checks. - Misc enhancments for TPM & TPM2. - Cleanups and bugfixes for SELinux, Keys, and IMA. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (41 commits) selinux: Inode label revalidation performance fix KEYS: refcount bug fix ima: ima_write_policy() limit locking IMA: policy can be updated zero times selinux: rate-limit netlink message warnings in selinux_nlmsg_perm() selinux: export validatetrans decisions gfs2: Invalid security labels of inodes when they go invalid selinux: Revalidate invalid inode security labels security: Add hook to invalidate inode security labels selinux: Add accessor functions for inode->i_security security: Make inode argument of inode_getsecid non-const security: Make inode argument of inode_getsecurity non-const selinux: Remove unused variable in selinux_inode_init_security keys, trusted: seal with a TPM2 authorization policy keys, trusted: select hash algorithm for TPM2 chips keys, trusted: fix: *do not* allow duplicate key options tpm_ibmvtpm: properly handle interrupted packet receptions tpm_tis: Tighten IRQ auto-probing tpm_tis: Refactor the interrupt setup tpm_tis: Get rid of the duplicate IRQ probing code ... |
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Linus Torvalds
|
984065055e |
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main drm pull request for 4.5. I don't think I've missed
anything too major, I'm mostly back at work now but I'll probably get
some sleep in 5 years time.
Summary:
New drivers:
- etnaviv:
GPU driver for the 3D core on the Vivante core used in numerous
ARM boards.
Highlights:
Core:
- Atomic suspend/resume helpers
- Move the headers to using userspace friendlier types.
- Documentation updates
- Lots of struct_mutex removal.
- Bunch of DP MST fixes from AMD.
Panel:
- More DSI helpers
- Support for some new basic panels
i915:
- Basic Kabylake support
- DP link training and detect code refactoring
- fbc/psr fixes
- FIFO underrun fixes
- SDE interrupt handling fixes
- dma-buf/fence support in pageflip path.
- GPU side for MST audio support
radeon/amdgpu:
- Drop UMS support
- GPUVM/Scheduler optimisations
- Initial Powerplay support for Tonga/Fiji/CZ/ST
- ACP audio prerequisites
nouveau:
- GK20a instmem improvements
- PCIE link speed change support
msm:
- DSI support for msm8960/apq8064
tegra:
- Host1X support for Tegra210 SoC
vc4:
- 3D acceleration support
armada:
- Get rid of struct mutex
tda998x:
- Atomic modesetting support
- TMDS clock limitations
omapdrm:
- Atomic modesetting support
- improved TILER performance
rockchip:
- RK3036 VOP support
- Atomic modesetting support
- Synopsys DW MIPI DSI support
exynos:
- Runtime PM support
- of_graph binding for DP panels
- Cleanup of IPP code
- Configurable plane support
- Kernel panic fixes at release time"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (711 commits)
drm/fb_cma_helper: Remove implicit call to disable_unused_functions
drm/amdgpu: add missing irq.h include
drm/vmwgfx: Fix a width / pitch mismatch on framebuffer updates
drm/vmwgfx: Fix an incorrect lock check
drm: nouveau: fix nouveau_debugfs_init prototype
drm/nouveau/pci: fix check in nvkm_pcie_set_link
drm/amdgpu: validate duplicates first
drm/amdgpu: move VM page tables to the LRU end on CS v2
drm/ttm: add ttm_bo_move_to_lru_tail function v2
drm/ttm: fix adding foreign BOs to the swap LRU
drm/ttm: fix adding foreign BOs to the LRU during init v2
drm/radeon: use kobj_to_dev()
drm/amdgpu: use kobj_to_dev()
drm/amdgpu/cz: force vce clocks when sclks are forced
drm/amdgpu/cz: force uvd clocks when sclks are forced
drm/amdgpu/cz: add code to enable forcing VCE clocks
drm/amdgpu/cz: add code to enable forcing UVD clocks
drm/amdgpu: fix lost sync_to if scheduler is enabled.
drm/amd/powerplay: fix static checker warning for return meaningless value.
drm/sysfs: use kobj_to_dev()
...
|
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Dave Airlie
|
28f03607bb |
Merge tag 'topic/drm-misc-2016-01-17' of git://anongit.freedesktop.org/drm-intel into drm-next
Since your main drm-next pull isn't out of the door yet I figured I might as well flush out drm-misc instead of delaying for 4.6. It's really just random stuff all over, biggest thing probably connector_mask tracking from Maarten. * tag 'topic/drm-misc-2016-01-17' of git://anongit.freedesktop.org/drm-intel: (24 commits) drm/fb_cma_helper: Remove implicit call to disable_unused_functions drm/sysfs: use kobj_to_dev() drm/i915: Init power domains early in driver load drm: Do not set connector->encoder in drivers apple-gmux: Add initial documentation drm: move MODULE_PARM_DESC to other file drm/edid: index CEA/HDMI mode tables using the VIC drm/atomic: Remove drm_atomic_connectors_for_crtc. drm/i915: Update connector_mask during readout, v2. drm: Remove opencoded drm_gem_object_release_handle() drm: Do not set outparam on error during GEM handle allocation drm/docs: more leftovers from the big vtable documentation pile drm/atomic-helper: Reject legacy flips on a disabled pipe drm/atomic: add connector mask to drm_crtc_state. drm/tegra: Use __drm_atomic_helper_reset_connector for subclassing connector state, v2. drm/atomic: Add __drm_atomic_helper_connector_reset, v2. drm/i915: Set connector_state->connector using the helper. drm: Use a normal idr allocation for the obj->name drm: Only bump object-reference count when adding first handle drm: Balance error path for GEM handle allocation ... |
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Linus Torvalds
|
0cbeafb245 |
Merge branch 'akpm' (patches from Andrew)
Merge second patch-bomb from Andrew Morton:
- more MM stuff:
- Kirill's page-flags rework
- Kirill's now-allegedly-fixed THP rework
- MADV_FREE implementation
- DAX feature work (msync/fsync). This isn't quite complete but DAX
is new and it's good enough and the guys have a handle on what
needs to be done - I expect this to be wrapped in the next week or
two.
- some vsprintf maintenance work
- various other misc bits
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (145 commits)
printk: change recursion_bug type to bool
lib/vsprintf: factor out %pN[F] handler as netdev_bits()
lib/vsprintf: refactor duplicate code to special_hex_number()
printk-formats.txt: remove unimplemented %pT
printk: help pr_debug and pr_devel to optimize out arguments
lib/test_printf.c: test dentry printing
lib/test_printf.c: add test for large bitmaps
lib/test_printf.c: account for kvasprintf tests
lib/test_printf.c: add a few number() tests
lib/test_printf.c: test precision quirks
lib/test_printf.c: check for out-of-bound writes
lib/test_printf.c: don't BUG
lib/kasprintf.c: add sanity check to kvasprintf
lib/vsprintf.c: warn about too large precisions and field widths
lib/vsprintf.c: help gcc make number() smaller
lib/vsprintf.c: expand field_width to 24 bits
lib/vsprintf.c: eliminate potential race in string()
lib/vsprintf.c: move string() below widen_string()
lib/vsprintf.c: pull out padding code from dentry_name()
printk: do cond_resched() between lines while outputting to consoles
...
|
||
|
Linus Torvalds
|
58cf279aca |
GPIO bulk updates for the v4.5 kernel cycle:
Infrastructural changes:
- In struct gpio_chip, rename the .dev node to .parent to better reflect
the fact that this is not the GPIO struct device abstraction. We will
add that soon so this would be totallt confusing.
- It was noted that the driver .get_value() callbacks was
sometimes reporting negative -ERR values to the gpiolib core, expecting
them to be propagated to consumer gpiod_get_value() and gpio_get_value()
calls. This was not happening, so as there was a mess of drivers
returning negative errors and some returning "anything else than zero"
to indicate that a line was active. As some would have bit 31 set to
indicate "line active" it clashed with negative error codes. This is
fixed by the largeish series clamping values in all drivers with
!!value to [0,1] and then augmenting the code to propagate error codes
to consumers. (Includes some ACKed patches in other subsystems.)
- Add a void *data pointer to struct gpio_chip. The container_of() design
pattern is indeed very nice, but we want to reform the struct gpio_chip
to be a non-volative, stateless business, and keep states internal to
the gpiolib to be able to hold on to the state when adding a proper
userspace ABI (character device) further down the road. To achieve this,
drivers need a handle at the internal state that is not dependent on
their struct gpio_chip() so we add gpiochip_add_data() and
gpiochip_get_data() following the pattern of many other subsystems.
All the "use gpiochip data pointer" patches transforms drivers to this
scheme.
- The Generic GPIO chip header has been merged into the general
<linux/gpio/driver.h> header, and the custom header for that removed.
Instead of having a separate mm_gpio_chip struct for these generic
drivers, merge that into struct gpio_chip, simplifying the code and
removing the need for separate and confusing includes.
Misc improvements:
- Stabilize the way GPIOs are looked up from the ACPI legacy
specification.
- Incremental driver features for PXA, PCA953X, Lantiq (patches from the
OpenWRT community), RCAR, Zynq, PL061, 104-idi-48
New drivers:
- Add a GPIO chip to the ALSA SoC AC97 driver.
- Add a new Broadcom NSP SoC driver (this lands in the pinctrl dir, but
the branch is merged here too to account for infrastructural changes).
- The sx150x driver now supports the sx1502.
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Merge tag 'gpio-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"Here is the bulk of GPIO changes for v4.5.
Notably there are big refactorings mostly by myself, aimed at getting
the gpio_chip into a shape that makes me believe I can proceed to
preserve state for a proper userspace ABI (character device) that has
already been proposed once, but resulted in the feedback that I need
to go back and restructure stuff. So I've been restructuring stuff.
On the way I ran into brokenness (return code from the get_value()
callback) and had to fix it. Also, refactored generic GPIO to be
simpler.
Some of that is still waiting to trickle down from the subsystems all
over the kernel that provide random gpio_chips, I've touched every
single GPIO driver in the kernel now, oh man I didn't know I was
responsible for so much...
Apart from that we're churning along as usual.
I took some effort to test and retest so it should merge nicely and we
shook out a couple of bugs in -next.
Infrastructural changes:
- In struct gpio_chip, rename the .dev node to .parent to better
reflect the fact that this is not the GPIO struct device
abstraction. We will add that soon so this would be totallt
confusing.
- It was noted that the driver .get_value() callbacks was sometimes
reporting negative -ERR values to the gpiolib core, expecting them
to be propagated to consumer gpiod_get_value() and gpio_get_value()
calls. This was not happening, so as there was a mess of drivers
returning negative errors and some returning "anything else than
zero" to indicate that a line was active. As some would have bit
31 set to indicate "line active" it clashed with negative error
codes. This is fixed by the largeish series clamping values in all
drivers with !!value to [0,1] and then augmenting the code to
propagate error codes to consumers. (Includes some ACKed patches
in other subsystems.)
- Add a void *data pointer to struct gpio_chip. The container_of()
design pattern is indeed very nice, but we want to reform the
struct gpio_chip to be a non-volative, stateless business, and keep
states internal to the gpiolib to be able to hold on to the state
when adding a proper userspace ABI (character device) further down
the road. To achieve this, drivers need a handle at the internal
state that is not dependent on their struct gpio_chip() so we add
gpiochip_add_data() and gpiochip_get_data() following the pattern
of many other subsystems. All the "use gpiochip data pointer"
patches transforms drivers to this scheme.
- The Generic GPIO chip header has been merged into the general
<linux/gpio/driver.h> header, and the custom header for that
removed. Instead of having a separate mm_gpio_chip struct for
these generic drivers, merge that into struct gpio_chip,
simplifying the code and removing the need for separate and
confusing includes.
Misc improvements:
- Stabilize the way GPIOs are looked up from the ACPI legacy
specification.
- Incremental driver features for PXA, PCA953X, Lantiq (patches from
the OpenWRT community), RCAR, Zynq, PL061, 104-idi-48
New drivers:
- Add a GPIO chip to the ALSA SoC AC97 driver.
- Add a new Broadcom NSP SoC driver (this lands in the pinctrl dir,
but the branch is merged here too to account for infrastructural
changes).
- The sx150x driver now supports the sx1502"
* tag 'gpio-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (220 commits)
gpio: generic: make bgpio_pdata always visible
gpiolib: fix chip order in gpio list
gpio: mpc8xxx: Do not use gpiochip_get_data() in mpc8xxx_gpio_save_regs()
gpio: mm-lantiq: Do not use gpiochip_get_data() in ltq_mm_save_regs()
gpio: brcmstb: Allow building driver for BMIPS_GENERIC
gpio: brcmstb: Set endian flags for big-endian MIPS
gpio: moxart: fix build regression
gpio: xilinx: Do not use gpiochip_get_data() in xgpio_save_regs()
leds: pca9532: use gpiochip data pointer
leds: tca6507: use gpiochip data pointer
hid: cp2112: use gpiochip data pointer
bcma: gpio: use gpiochip data pointer
avr32: gpio: use gpiochip data pointer
video: fbdev: via: use gpiochip data pointer
gpio: pch: Optimize pch_gpio_get()
Revert "pinctrl: lantiq: Implement gpio_chip.to_irq"
pinctrl: nsp-gpio: use gpiochip data pointer
pinctrl: vt8500-wmt: use gpiochip data pointer
pinctrl: exynos5440: use gpiochip data pointer
pinctrl: at91-pio4: use gpiochip data pointer
...
|
||
|
Linus Torvalds
|
6606b342fe |
Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
"This adds following items:
- watchdog restart handler support
- watchdog reboot notifier support
- watchdog sysfs attributes
- support for the following new devices: AMD Mullins platform, AMD
Carrizo platform, meson8b SoC, CSRatlas7, TS-4800, Alphascale
asm9260-wdt, Zodiac, Sigma Designs SMP86xx/SMP87xx
- Changes in refcounting for the watchdog core
- watchdog core improvements
- and small fixes"
* git://www.linux-watchdog.org/linux-watchdog: (60 commits)
watchdog: asm9260: remove __init and __exit annotations
watchdog: Drop pointer to watchdog device from struct watchdog_device
watchdog: ziirave: Use watchdog infrastructure to create sysfs attributes
watchdog: Add support for creating driver specific sysfs attributes
watchdog: kill unref/ref ops
watchdog: stmp3xxx: Remove unused variables
watchdog: add MT7621 watchdog support
hwmon: (sch56xx) Drop watchdog driver data reference count callbacks
watchdog: da9055_wdt: Drop reference counting
watchdog: da9052_wdt: Drop reference counting
watchdog: Separate and maintain variables based on variable lifetime
watchdog: diag288: Stop re-using watchdog core internal flags
watchdog: Create watchdog device in watchdog_dev.c
watchdog: qcom-wdt: Do not set 'dev' in struct watchdog_device
watchdog: mena21: Do not use device pointer from struct watchdog_device
watchdog: gpio: Do not use device pointer from struct watchdog_device
watchdog: tangox: Print info message using pointer to platform device
watchdog: bcm2835_wdt: Drop log message if watchdog is stopped
devicetree: watchdog: add binding for Sigma Designs SMP8642 watchdog
watchdog: add support for Sigma Designs SMP86xx/SMP87xx
...
|
||
|
Linus Torvalds
|
a016af2e70 |
sound updates for 4.5-rc1
We've had quite busy weeks in this cycle. Looking at ALSA core, the
significant changes are a few fixes wrt timer and sequencer ioctls
that have been revealed by fuzzer recently. Other than that, ASoC
core got a few updates about DAI link handling, but these are rather
straightforward refactoring.
In drivers scene, ASoC received quite lots of new drivers in addition
to bunch of updates for still ongoing Intel Skylake support and
topology API. HD-audio gained a new HDMI/DP hotplug notification via
component. FireWire got a pile of code refactoring/updates with
SCS.1x driver integration.
More highlights are shown below.
[NOTE: this contains also many commits for DRM. This is due to the
pull of drm stable branch into sound tree, as the base of i915 audio
component work for HD-audio. The highlights below don't contain
these DRM changes, as these are supposed to be pulled via drm tree in
anyway sooner or later.]
Core
- Handful fixes to harden ALSA timer and sequencer ioctls against
races reported by syzkaller fuzzer
- Irq description string can be unique to each card; only for
HD-audio for now
ASoC
- Conversion of the array of DAI links to a list for supporting
dynamically adding and removing DAI links
- Topology API enhancements to make everything more component based
and being able to specify PCM links via topology
- Some more fixes for the topology code, though it is still not final
and ready for enabling in production; we really need to get to the
point where that can be done
- A pile of changes for Intel SkyLake drivers which hopefully deliver
some useful initial functionality for systems with this chipset,
though there is more work still to come
- Lots of new features and cleanups for the Renesas drivers
- ANC support for WM5110
- New drivers: Imagination Technologies IPs, Atmel class D speaker,
Cirrus CS47L24 and WM1831, Dialog DA7128, Realtek RT5659 and
RT56156, Rockchip RK3036, TI PC3168A, and AMD ACP
- Rename PCM1792a driver to be generic pcm179x
HD-Audio
- Use audio component for i915 HDMI/DP hotplug handling
- On-demand binding with i915 driver
- bdl_pos_adj parameter adjustment for Baytrail controllers
- Enable power_save_node for CX20722; this shouldn't lead to
regression, hopefully
- Kabylake HDMI/DP codec support
- Quirks for Lenovo E50-80, Dell Latitude E-series, and other Dell
machines
- A few code refactoring
FireWire
- Lots of code cleanup and refactoring
- Integrate the support of SCS.1x devices into snd-oxfw driver;
snd-scs1x driver is obsoleted
USB-audio
- Fix possible NULL dereference at disconnection
- A regression fix for Native Instruments devices
Misc
- A few code cleanups of fm801 driver
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Merge tag 'sound-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"We've had quite busy weeks in this cycle. Looking at ALSA core, the
significant changes are a few fixes wrt timer and sequencer ioctls
that have been revealed by fuzzer recently. Other than that, ASoC
core got a few updates about DAI link handling, but these are rather
straightforward refactoring.
In drivers scene, ASoC received quite lots of new drivers in addition
to bunch of updates for still ongoing Intel Skylake support and
topology API. HD-audio gained a new HDMI/DP hotplug notification via
component. FireWire got a pile of code refactoring/updates with
SCS.1x driver integration.
More highlights are shown below.
[ NOTE: this contains also many commits for DRM. This is due to the
pull of drm stable branch into sound tree, as the base of i915 audio
component work for HD-audio. The highlights below don't contain
these DRM changes, as these are supposed to be pulled via drm tree
in anyway sooner or later. ]
Core:
- Handful fixes to harden ALSA timer and sequencer ioctls against
races reported by syzkaller fuzzer
- Irq description string can be unique to each card; only for
HD-audio for now
ASoC:
- Conversion of the array of DAI links to a list for supporting
dynamically adding and removing DAI links
- Topology API enhancements to make everything more component based
and being able to specify PCM links via topology
- Some more fixes for the topology code, though it is still not final
and ready for enabling in production; we really need to get to the
point where that can be done
- A pile of changes for Intel SkyLake drivers which hopefully deliver
some useful initial functionality for systems with this chipset,
though there is more work still to come
- Lots of new features and cleanups for the Renesas drivers
- ANC support for WM5110
- New drivers: Imagination Technologies IPs, Atmel class D speaker,
Cirrus CS47L24 and WM1831, Dialog DA7128, Realtek RT5659 and
RT56156, Rockchip RK3036, TI PC3168A, and AMD ACP
- Rename PCM1792a driver to be generic pcm179x
HD-Audio:
- Use audio component for i915 HDMI/DP hotplug handling
- On-demand binding with i915 driver
- bdl_pos_adj parameter adjustment for Baytrail controllers
- Enable power_save_node for CX20722; this shouldn't lead to
regression, hopefully
- Kabylake HDMI/DP codec support
- Quirks for Lenovo E50-80, Dell Latitude E-series, and other Dell
machines
- A few code refactoring
FireWire:
- Lots of code cleanup and refactoring
- Integrate the support of SCS.1x devices into snd-oxfw driver;
snd-scs1x driver is obsoleted
USB-audio:
- Fix possible NULL dereference at disconnection
- A regression fix for Native Instruments devices
Misc:
- A few code cleanups of fm801 driver"
* tag 'sound-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (722 commits)
ALSA: timer: Code cleanup
ALSA: timer: Harden slave timer list handling
ALSA: hda - Add fixup for Dell Latitidue E6540
ALSA: timer: Fix race among timer ioctls
ALSA: hda - add codec support for Kabylake display audio codec
ALSA: timer: Fix double unlink of active_list
ALSA: usb-audio: Fix mixer ctl regression of Native Instrument devices
ALSA: hda - fix the headset mic detection problem for a Dell laptop
ALSA: hda - Fix white noise on Dell Latitude E5550
ALSA: hda_intel: add card number to irq description
ALSA: seq: Fix race at timer setup and close
ALSA: seq: Fix missing NULL check at remove_events ioctl
ALSA: usb-audio: Avoid calling usb_autopm_put_interface() at disconnect
ASoC: hdac_hdmi: remove unused hdac_hdmi_query_pin_connlist
ASoC: AMD: Add missing include file
ALSA: hda - Fixup inverted internal mic for Lenovo E50-80
ALSA: usb: Add native DSD support for Oppo HA-1
ASoC: Make aux_dev more like a generic component
ASoC: bcm2835: cleanup includes by ordering them alphabetically
ASoC: AMD: Manage ACP 2.x SRAM banks power
...
|
||
|
Linus Torvalds
|
e535d74bc5 |
A relatively boring cycle in the docs tree. There's a few kernel-doc
fixes and various document tweaks. One patch reaches out of the documentation subtree to fix a comment in init/do_mounts_rd.c. There didn't seem to be anybody more appropriate to take that one, so I accepted it. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJWmmJ8AAoJEI3ONVYwIuV6uqwP/0mnqdxVWo47ohaYJP7q0Soh ovJAbfttxKnkmOdGbWcNIJtTiw+MpdF805CYR+2treE0zvEEDodg7BhkDnmKZJ9n F1r53JrIj769E1c5ETmWTHcBt3jjtKyQIbBmDr4YTgX91dlKF28o1bMmyDECWIcT PktTlPUidDtffKMn3klh6baPCMrTpLJ8aLshBzUrQhrQY8lxcZKAU+98vtFzYofG LXCSulMYXumb7XBxErTLQZhmJslD4gaDMh2xkov6ALS8XNHnfoUIFRbArAllNfTf LQGJ6Q5qnn58UWi9F/vgDqx7+d1KIPUjBxJR9wfa0w9ggQhA9ly2BSN/fllbiSbp yIi1JS4hwBe8H/h577BNC3xjmgVN7mazZsXlS+fg3G16gpv4JdWeRY4efjosFIzQ EIJxB8qAovUNqw4s1mzRIJ5B9L7PEK27O6z8N27Fiw4EigtMTFAOC2/GD3ELx4iJ p1doiSr+wjfDcFd8kdIUiDKGrTSTXwNy3hUfrhzQyaEjDTJnx3+1+ono1orSazPO Fr2RSsC5VzX4IYSuxTMvFSKjN1Iiu8xqwq3IdclHXrBhRvwOF2wpjjQ5Guf0lHBJ FLBahSjZqt01kmwFykxoHps+VeSwpoEen6rClBQolfmtYVDTvgRNN46AxK9jZ8T4 jZmCNNs/mYzrqo/RTnmw =u38W -----END PGP SIGNATURE----- Merge tag 'docs-4.5' of git://git.lwn.net/linux Pull documentation updates from Jon Corbet: "A relatively boring cycle in the docs tree. There's a few kernel-doc fixes and various document tweaks. One patch reaches out of the documentation subtree to fix a comment in init/do_mounts_rd.c. There didn't seem to be anybody more appropriate to take that one, so I accepted it" * tag 'docs-4.5' of git://git.lwn.net/linux: (29 commits) thermal: add description for integral_cutoff unit Documentation: update libhugetlbfs site url Documentation: Explain pci=conf1,conf2 more verbosely DMA-API: fix confusing sentence in Documentation/DMA-API.txt Documentation: translations: update linux cross reference link Documentation: fix typo in CodingStyle init, Documentation: Remove ramdisk_blocksize mentions Documentation-getdelays: Apply a recommendation from "checkpatch.pl" in main() Documentation: HOWTO: update versions from 3.x to 4.x Documentation: remove outdated references from translations Doc: treewide: Fix grammar "a" to "an" Documentation: cpu-hotplug: Fix sysfs mount instructions can-doc: Add hint about getting timestamps Fix CFQ I/O scheduler parameter name in documentation Documentation: arm: remove dead links from Marvell Berlin docs Documentation: HOWTO: update code cross reference link Doc: Docbook/iio: Fix typo in iio.tmpl DocBook: make index.html generation less verbose by default DocBook: Cleanup: remove an unused $(call) line DocBook: Add a help message for DOCBOOKS env var ... |
||
|
Rasmus Villemoes
|
64c734be70 |
printk-formats.txt: remove unimplemented %pT
%pT for task->comm has been proposed (several times, I think), but is not actually implemented. Remove it from printk-formats.txt and add it back if/when it gets implemented. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
ece6267878 |
The clk framework and driver changes for 4.5 look pretty typical. The
bulk of the changes are to clk controller drivers, though some improvements to the core and some re-usable blocks/templates also received some love. In this past cycle the clk maintainers developed a good workflow for handling the common case of patch submissions containing a new drivers, new shared Device Tree header and a new Device Tree binding description. This requires coordination with the Device Tree maintainers and with the architecture maintainers (typically the arm-soc tree in our case). This explains the increase in changes to include/dt-bindings/... and to Documentation/devicetree/bindings/clock/... coming from the clk tree. The same commits can be expected to come through those trees on occasion, through the use of shared, immutable branches. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJWmVD1AAoJEKI6nJvDJaTUWqAQAJRqH+iKSnLyuVek6USYPXdp ZOW1JHIySCUF/ci3fvv9vbIuW/w4Uc9FdRdAfIIaWO32bpk4ljtEogVasvavL/54 geN+0YERZpth+PL/wk+g+Dons/8BgN9AL+0ToaVVh2MsRE903jWpe+l0qWCl+SUn DQF+yB9F4QcVT7gb+KI0B6hr6lv5Mu/t9Ffq3DrK2UG71IEbrv953pVo19foZqbf FgMgduERMHvaM/R6p5xfXxIESbjE+QNMnykEo6bWcHF2wfQrIiYlW1khtnsigNus kze2mYWjG77KGkrOex5kwjuBDPfiaGAstk3jcRCCMB7nRmuFcJgryF8003CD3QvW +cY+ZBSkyXXtL/nrkefebAplQjsvum7dJ+W6hxA32B772jFL8s8ee5rGda0ibw8N nFQRopVcNPoR52tjmSEOxm7Z9vqoDj5qManDdZe62kr6bCFId97E6SzeGgeyDuBQ V7tkss9klHMhx29V37wkyl+A/pWXO+CsGzHLEivH8/L1CysMK1WGhyHJJ2/JTDTR n3z1EYdg67PbHpfhboscuLP+sHcrAefOCe2la4wKxwqd4DGw6J8RhhVZml6XnfQ3 I4yLri8Pguol49G1ac1U87ylebKsXhWR5CRHVas1BFHrt0FGULHnl0ZOLzOu4GRZ h8/nd9ZODLFhB1w7fL1B =nkGr -----END PGP SIGNATURE----- Merge tag 'clk-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk framework updates from Michael Turquette: "The clk framework and driver changes for 4.5 look pretty typical. The bulk of the changes are to clk controller drivers, though some improvements to the core and some re-usable blocks/templates also received some love. In this past cycle the clk maintainers developed a good workflow for handling the common case of patch submissions containing a new drivers, new shared Device Tree header and a new Device Tree binding description. This requires coordination with the Device Tree maintainers and with the architecture maintainers (typically the arm-soc tree in our case). This explains the increase in changes to include/dt-bindings/... and to Documentation/devicetree/bindings/clock/... coming from the clk tree. The same commits can be expected to come through those trees on occasion, through the use of shared, immutable branches" * tag 'clk-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (125 commits) clk: remove duplicated COMMON_CLK_NXP record from clk/Kconfig clk: fix clk-gpio.c with optional clock= DT property clk: rockchip: fix section mismatches with new child-clocks clk: gpio: handle error codes for of_clk_get_parent_count() clk: gpio: fix memory leak clk: shmobile: r8a7795: Add SATA0 clock clk: bcm2835: Add PWM clock support clk: bcm2835: Support for clock parent selection clk: bcm2835: add a round up ability to the clock divisor clk: lpc32xx: add common clock framework driver clk: lpc18xx: add NXP specific COMMON_CLK_NXP configuration symbol dt-bindings: clock: add NXP LPC32xx clock list for consumers dt-bindings: clock: add description of LPC32xx USB clock controller dt-bindings: clock: add description of LPC32xx clock controller clk: rockchip: rk3036: include downstream muxes into fractional dividers clk: add flag for clocks that need to be enabled on rate changes clk: rockchip: Allow the RK3288 SPDIF clocks to change their parent clk: rockchip: include downstream muxes into fractional dividers clk: rockchip: handle mux dependency of fractional dividers clk: bcm2835: Add a driver for the auxiliary peripheral clock gates. ... |
||
|
Kirill A. Shutemov
|
a46e63764e |
thp: update documentation
The patch updates Documentation/vm/transhuge.txt to reflect changes in THP design. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Jerome Marchand <jmarchan@redhat.com> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Steve Capper <steve.capper@linaro.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Christoph Lameter <cl@linux.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Kirill A. Shutemov
|
4b471e8898 |
mm, thp: remove infrastructure for handling splitting PMDs
With new refcounting we don't need to mark PMDs splitting. Let's drop code to handle this. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Tested-by: Sasha Levin <sasha.levin@oracle.com> Tested-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Jerome Marchand <jmarchan@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Steve Capper <steve.capper@linaro.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Christoph Lameter <cl@linux.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
4e5448a31d |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"A quick set of bug fixes after there initial networking merge:
1) Netlink multicast group storage allocator only was tested with
nr_groups equal to 1, make it work for other values too. From
Matti Vaittinen.
2) Check build_skb() return value in macb and hip04_eth drivers, from
Weidong Wang.
3) Don't leak x25_asy on x25_asy_open() failure.
4) More DMA map/unmap fixes in 3c59x from Neil Horman.
5) Don't clobber IP skb control block during GSO segmentation, from
Konstantin Khlebnikov.
6) ECN helpers for ipv6 don't fixup the checksum, from Eric Dumazet.
7) Fix SKB segment utilization estimation in xen-netback, from David
Vrabel.
8) Fix lockdep splat in bridge addrlist handling, from Nikolay
Aleksandrov"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
bgmac: Fix reversed test of build_skb() return value.
bridge: fix lockdep addr_list_lock false positive splat
net: smsc: Add support h8300
xen-netback: free queues after freeing the net device
xen-netback: delete NAPI instance when queue fails to initialize
xen-netback: use skb to determine number of required guest Rx requests
net: sctp: Move sequence start handling into sctp_transport_get_idx()
ipv6: update skb->csum when CE mark is propagated
net: phy: turn carrier off on phy attach
net: macb: clear interrupts when disabling them
sctp: support to lookup with ep+paddr in transport rhashtable
net: hns: fixes no syscon error when init mdio
dts: hisi: fixes no syscon fault when init mdio
net: preserve IP control block during GSO segmentation
fsl/fman: Delete one function call "put_device" in dtsec_config()
hip04_eth: fix missing error handle for build_skb failed
3c59x: fix another page map/single unmap imbalance
3c59x: balance page maps and unmaps
x25_asy: Free x25_asy on x25_asy_open() failure.
mlxsw: fix SWITCHDEV_OBJ_ID_PORT_MDB
...
|
||
|
Linus Torvalds
|
f689b742f2 |
powerpc updates for 4.5
- Ground work for the new Power9 MMU from Aneesh Kumar K.V
- Optimise FP/VMX/VSX context switching from Anton Blanchard
- Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica Gupta,
Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling, Andrew Donnellan
- Allow wrapper to work on non-english system from Laurent Vivier
- Add rN aliases to the pt_regs_offset table from Rashmica Gupta
- Fix module autoload for rackmeter & axonram drivers from Luis de Bethencourt
- Include KVM guest test in all interrupt vectors from Paul Mackerras
- Fix DSCR inheritance over fork() from Anton Blanchard
- Make value-returning atomics & {cmp}xchg* & their atomic_ versions fully ordered from Boqun Feng
- Print MSR TM bits in oops messages from Michael Neuling
- Add TM signal return & invalid stack selftests from Michael Neuling
- Limit EPOW reset event warnings from Vipin K Parashar
- Remove the Cell QPACE code from Rashmica Gupta
- Append linux_banner to exception information in xmon from Rashmica Gupta
- Add selftest to check if VSRs are corrupted from Rashmica Gupta
- Remove broken GregorianDay() from Daniel Axtens
- Import Anton's context_switch2 benchmark into selftests from Michael Ellerman
- Add selftest script to test HMI functionality from Daniel Axtens
- Remove obsolete OPAL v2 support from Stewart Smith
- Make enter_rtas() private from Michael Ellerman
- PPR exception cleanups from Michael Ellerman
- Add page soft dirty tracking from Laurent Dufour
- Add support for Nvlink NPUs from Alistair Popple
- Add support for kexec on 476fpe from Alistair Popple
- Enable kernel CPU dlpar from sysfs from Nathan Fontenot
- Copy only required pieces of the mm_context_t to the paca from Michael Neuling
- Add a kmsg_dumper that flushes OPAL console output on panic from Russell Currey
- Implement save_stack_trace_regs() to enable kprobe stack tracing from Steven Rostedt
- Add HWCAP bits for Power9 from Michael Ellerman
- Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V
- Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins
- scripts/recordmcount.pl: support data in text section on powerpc from Ulrich Weigand
- Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand
- cxl: Fix possible idr warning when contexts are released from Vaibhav Jain
- cxl: use correct operator when writing pcie config space values from Andrew Donnellan
- cxl: Fix DSI misses when the context owning task exits from Vaibhav Jain
- cxl: fix build for GCC 4.6.x from Brian Norris
- cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris
- cxl: Enable PCI device ID for future IBM CXL adapter from Uma Krishnan
- Freescale updates from Scott: Highlights include moving QE code out of
arch/powerpc (to be shared with arm), device tree updates, and minor fixes.
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Merge tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Core:
- Ground work for the new Power9 MMU from Aneesh Kumar K.V
- Optimise FP/VMX/VSX context switching from Anton Blanchard
Misc:
- Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica
Gupta, Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling,
Andrew Donnellan
- Allow wrapper to work on non-english system from Laurent Vivier
- Add rN aliases to the pt_regs_offset table from Rashmica Gupta
- Fix module autoload for rackmeter & axonram drivers from Luis de
Bethencourt
- Include KVM guest test in all interrupt vectors from Paul Mackerras
- Fix DSCR inheritance over fork() from Anton Blanchard
- Make value-returning atomics & {cmp}xchg* & their atomic_ versions
fully ordered from Boqun Feng
- Print MSR TM bits in oops messages from Michael Neuling
- Add TM signal return & invalid stack selftests from Michael Neuling
- Limit EPOW reset event warnings from Vipin K Parashar
- Remove the Cell QPACE code from Rashmica Gupta
- Append linux_banner to exception information in xmon from Rashmica
Gupta
- Add selftest to check if VSRs are corrupted from Rashmica Gupta
- Remove broken GregorianDay() from Daniel Axtens
- Import Anton's context_switch2 benchmark into selftests from
Michael Ellerman
- Add selftest script to test HMI functionality from Daniel Axtens
- Remove obsolete OPAL v2 support from Stewart Smith
- Make enter_rtas() private from Michael Ellerman
- PPR exception cleanups from Michael Ellerman
- Add page soft dirty tracking from Laurent Dufour
- Add support for Nvlink NPUs from Alistair Popple
- Add support for kexec on 476fpe from Alistair Popple
- Enable kernel CPU dlpar from sysfs from Nathan Fontenot
- Copy only required pieces of the mm_context_t to the paca from
Michael Neuling
- Add a kmsg_dumper that flushes OPAL console output on panic from
Russell Currey
- Implement save_stack_trace_regs() to enable kprobe stack tracing
from Steven Rostedt
- Add HWCAP bits for Power9 from Michael Ellerman
- Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V
- Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins
- scripts/recordmcount.pl: support data in text section on powerpc
from Ulrich Weigand
- Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand
cxl:
- cxl: Fix possible idr warning when contexts are released from
Vaibhav Jain
- cxl: use correct operator when writing pcie config space values
from Andrew Donnellan
- cxl: Fix DSI misses when the context owning task exits from Vaibhav
Jain
- cxl: fix build for GCC 4.6.x from Brian Norris
- cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris
- cxl: Enable PCI device ID for future IBM CXL adapter from Uma
Krishnan
Freescale:
- Freescale updates from Scott: Highlights include moving QE code out
of arch/powerpc (to be shared with arm), device tree updates, and
minor fixes"
* tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (149 commits)
powerpc/module: Handle R_PPC64_ENTRY relocations
scripts/recordmcount.pl: support data in text section on powerpc
powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages
powerpc/mm: fix _PAGE_SWP_SOFT_DIRTY breaking swapoff
powerpc/mm: Fix _PAGE_PTE breaking swapoff
cxl: Enable PCI device ID for future IBM CXL adapter
cxl: use -Werror only with CONFIG_PPC_WERROR
cxl: fix build for GCC 4.6.x
powerpc: Add HWCAP bits for Power9
powerpc/powernv: Reserve PE#0 on NPU
powerpc/powernv: Change NPU PE# assignment
powerpc/powernv: Fix update of NVLink DMA mask
powerpc/powernv: Remove misleading comment in pci.c
powerpc: Implement save_stack_trace_regs() to enable kprobe stack tracing
powerpc: Fix build break due to paca mm_context_t changes
cxl: Fix DSI misses when the context owning task exits
MAINTAINERS: Update Scott Wood's e-mail address
powerpc/powernv: Fix minor off-by-one error in opal_mce_check_early_recovery()
powerpc: Fix style of self-test config prompts
powerpc/powernv: Only delay opal_rtc_read() retry when necessary
...
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Linus Torvalds
|
3c28c9ccaf |
md updates for 4.5
Mostly clustered-raid1 and raid5 journal updates. one Y2038 fix and other minor stuff. One patch removes me from the MAINTAINERS file and adds a record of my md maintainership to Credits. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJWmJEhAAoJEDnsnt1WYoG5raQQAI9lBrHO+Q8C8RImPsemLX0X ypjH38XUwEwKNYYfsCVI7PKAqCl7r8ITzY054gKsU0iHAfqLQlEN8aMz0v0fJQhg Msb7utrEMQ0UERwNcc+3J78ffFAdWrkHVd64Ley0h/pizFPSlL0K2RuIGTBc9sGX Hz2Ci11Ch7FdK7C/Zl7I6tK1pkthu3hBXYEZyg1GngRRhZEJj2U7mBmy1E37NA72 o66B5r5FSlnIA8MAo/EAViCxtMJKBPRWU/WnkMhOJ1Yyw/FwMpbM2prLBLtYFqwF OLZOLuDUHY5HxdX2U+3R0hBzF78aozcH6od60SWg7wOmI/IkXYiYFujlxMd132FE OT+aa+UHHDEkATTSyt98OmxIkQ8uqKiNsSYqBk9lpNAPtmEbhqRX4RAOdrqP0G83 DX7iyZpAK4YhB4BkJxMtNdSIOnss1TwfOdKyvoBZYmY6bTKh7p+dpw4cvIjV4VDi p6+BUQdJQ7mHRLV9QI4IuG52AJO8cRGc1OVvqLEMzO8uZlpyxX9nJrSqeP/dKKfa pJ5pYssilXEeKCDnODGqSRdt9aU4ENDW/oIkAW2U3cnSHUwBoMLF1WJ+M3Atbm+s i3/iDp26SnSiHM+DVHije5v0OGOroYdJwKDIFWToElcfc9Q5IDHU+KP8oeuPqqOS WA08l+zj+ahfP7Yu1DUC =gl+r -----END PGP SIGNATURE----- Merge tag 'md/4.5' of git://neil.brown.name/md Pull md updates from Neil Brown: "Mostly clustered-raid1 and raid5 journal updates. one Y2038 fix and other minor stuff. One patch removes me from the MAINTAINERS file and adds a record of my md maintainership to Credits" Many thanks to Neil, who has been around for a _looong_ time. * tag 'md/4.5' of git://neil.brown.name/md: (26 commits) md/raid: only permit hot-add of compatible integrity profiles Remove myself as MD Maintainer, and add to Credits. raid5-cache: handle journal hotadd in quiesce MD: add journal with array suspended md: set MD_HAS_JOURNAL in correct places md: Remove 'ready' field from mddev. md: remove unnecesary md_new_event_inintr raid5: allow r5l_io_unit allocations to fail raid5-cache: use a mempool for the metadata block raid5-cache: use a bio_set raid5-cache: add journal hot add/remove support drivers: md: use ktime_get_real_seconds() md: avoid warning for 32-bit sector_t raid5-cache: free meta_page earlier raid5-cache: simplify r5l_move_io_unit_list md: update comment for md_allow_write md-cluster: update comments for MD_CLUSTER_SEND_LOCKED_ALREADY md-cluster: Protect communication with mutexes md-cluster: Defer MD reloading to mddev->thread md-cluster: update the documentation ... |
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Linus Torvalds
|
4b43ea2a7c |
regulator: Update for v4.5
Aside from a fix for a spurious warning (which caused more problems than it fixed in the fixing really) this is all driver updates, including new drivers for Dialog PV88060/90 and TI LM363x and TPS65086 devices. The qcom_smd driver has had PM8916 and PMA8084 support added. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJWlUWiAAoJECTWi3JdVIfQtywH/0joibyUbL34arXcPNCUUhlo UnhTgT1kfOoS01ODt9gU49X4/8SRL9HdjcrIV8yTz4Ldb8by8Rd3ZrkO//9zs7BF 5PIqIzEw6FT/Ovsj8Tc35irccMSrwtTIGRrA8zrM/WtWQWcIUWFxMw+j/lewIvvH jHZNTTLL5XemObSTfvzhbS6PZ8RcvRVXLNJjZYYO5xAEHNg3i5Hxao5p3QKzVJ8m P5n4jSiTY/pVePcs9dzzQTGjlzkE11KX7DBxnmXOSPZsArSaRIC53DCmqu/JoG+o 3JJBkmRx7IJb0651hclFaUl8Wl56FSst+zigeAj82b301xpVR30iG3xiwYK/AT8= =NQ6n -----END PGP SIGNATURE----- Merge tag 'regulator-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator updates from Mark Brown: "Aside from a fix for a spurious warning (which caused more problems than it fixed in the fixing really) this is all driver updates, including new drivers for Dialog PV88060/90 and TI LM363x and TPS65086 devices. The qcom_smd driver has had PM8916 and PMA8084 support added" * tag 'regulator-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (36 commits) regulator: core: remove some dead code regulator: core: use dev_to_rdev regulator: lp872x: Get rid of duplicate reference to DVS GPIO regulator: lp872x: Add missing of_match in regulators descriptions regulator: axp20x: Fix GPIO LDO enable value for AXP22x regulator: lp8788: constify regulator_ops structures regulator: wm8*: constify regulator_ops structures regulator: da9*: constify regulator_ops structures regulator: mt6311: Use REGCACHE_RBTREE regulator: tps65917/palmas: Add bypass ops for LDOs with bypass capability regulator: qcom-smd: Add support for PMA8084 regulator: qcom-smd: Add PM8916 support soc: qcom: documentation: Update SMD/RPM Docs regulator: pv88090: logical vs bitwise AND typo regulator: pv88090: Fix irq leak regulator: pv88090: new regulator driver regulator: wm831x-ldo: Use platform_register/unregister_drivers() regulator: wm831x-dcdc: Use platform_register/unregister_drivers() regulator: lp8788-ldo: Use platform_register/unregister_drivers() regulator: core: Fix nested locking of supplies ... |
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Linus Torvalds
|
875fc4f5dd |
Merge branch 'akpm' (patches from Andrew)
Merge first patch-bomb from Andrew Morton: - A few hotfixes which missed 4.4 becasue I was asleep. cc'ed to -stable - A few misc fixes - OCFS2 updates - Part of MM. Including pretty large changes to page-flags handling and to thp management which have been buffered up for 2-3 cycles now. I have a lot of MM material this time. [ It turns out the THP part wasn't quite ready, so that got dropped from this series - Linus ] * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (117 commits) zsmalloc: reorganize struct size_class to pack 4 bytes hole mm/zbud.c: use list_last_entry() instead of list_tail_entry() zram/zcomp: do not zero out zcomp private pages zram: pass gfp from zcomp frontend to backend zram: try vmalloc() after kmalloc() zram/zcomp: use GFP_NOIO to allocate streams mm: add tracepoint for scanning pages drivers/base/memory.c: fix kernel warning during memory hotplug on ppc64 mm/page_isolation: use macro to judge the alignment mm: fix noisy sparse warning in LIBCFS_ALLOC_PRE() mm: rework virtual memory accounting include/linux/memblock.h: fix ordering of 'flags' argument in comments mm: move lru_to_page to mm_inline.h Documentation/filesystems: describe the shared memory usage/accounting memory-hotplug: don't BUG() in register_memory_resource() hugetlb: make mm and fs code explicitly non-modular mm/swapfile.c: use list_for_each_entry_safe in free_swap_count_continuations mm: /proc/pid/clear_refs: no need to clear VM_SOFTDIRTY in clear_soft_dirty_pmd() mm: make sure isolate_lru_page() is never called for tail page vmstat: make vmstat_updater deferrable again and shut down on idle ... |
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yankejian
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b70ce2ab41 |
dts: hisi: fixes no syscon fault when init mdio
When linux start up, we get the log below: "Hi-HNS_MDIO 803c0000.mdio: no syscon hisilicon,peri-c-subctrl mdio_bus mdio@803c0000: mdio sys ctl reg has not maped" The source code about the subctrl is dealt syscon, but dts doesn't. It cause such fault, so this patch adds the syscon info on dts files to fixes it. Signed-off-by: Kejian Yan <yankejian@huawei.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
|
7d1fc01afc |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: floppy: make local variable non-static exynos: fixes an incorrect header guard dt-bindings: fixes some incorrect header guards cpufreq-dt: correct dead link in documentation cpufreq: ARM big LITTLE: correct dead link in documentation treewide: Fix typos in printk Documentation: filesystem: Fix typo in fs/eventfd.c fs/super.c: use && instead of & for warn_on condition Documentation: fix sysfs-ptp lib: scatterlist: fix Kconfig description |
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Linus Torvalds
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0f0836b7eb |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching updates from Jiri Kosina:
- RO/NX attribute fixes for patch module relocations from Josh
Poimboeuf. As part of this effort, module.c has been cleaned up as
well and livepatching is piggy-backing on this cleanup. Rusty is OK
with this whole lot going through livepatching tree.
- symbol disambiguation support from Chris J Arges. That series is
also
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
but this came in only after I've alredy pushed out. Didn't want to
rebase because of that, hence I am mentioning it here.
- symbol lookup fix from Miroslav Benes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: Cleanup module page permission changes
module: keep percpu symbols in module's symtab
module: clean up RO/NX handling.
module: use a structure to encapsulate layout.
gcov: use within_module() helper.
module: Use the same logic for setting and unsetting RO/NX
livepatch: function,sympos scheme in livepatch sysfs directory
livepatch: add sympos as disambiguator field to klp_reloc
livepatch: add old_sympos as disambiguator field to klp_func
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Linus Torvalds
|
63f729cb4a |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fix from Al Viro: "Don't put symlink bodies in pagecache into highmem" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Make sure that highmem pages are not added to symlink page cache |
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Rodrigo Freire
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0bc126d460 |
Documentation/filesystems: describe the shared memory usage/accounting
The Shared Memory accounting support is present in Kernel since commit
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Johannes Weiner
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f7e1cb6ec5 |
mm: memcontrol: account socket memory in unified hierarchy memory controller
Socket memory can be a significant share of overall memory consumed by common workloads. In order to provide reasonable resource isolation in the unified hierarchy, this type of memory needs to be included in the tracking/accounting of a cgroup under active memory resource control. Overhead is only incurred when a non-root control group is created AND the memory controller is instructed to track and account the memory footprint of that group. cgroup.memory=nosocket can be specified on the boot commandline to override any runtime configuration and forcibly exclude socket memory from active memory resource control. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: David S. Miller <davem@davemloft.net> Reviewed-by: Vladimir Davydov <vdavydov@virtuozzo.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Daniel Cashman
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d07e22597d |
mm: mmap: add new /proc tunable for mmap_base ASLR
Address Space Layout Randomization (ASLR) provides a barrier to exploitation of user-space processes in the presence of security vulnerabilities by making it more difficult to find desired code/data which could help an attack. This is done by adding a random offset to the location of regions in the process address space, with a greater range of potential offset values corresponding to better protection/a larger search-space for brute force, but also to greater potential for fragmentation. The offset added to the mmap_base address, which provides the basis for the majority of the mappings for a process, is set once on process exec in arch_pick_mmap_layout() and is done via hard-coded per-arch values, which reflect, hopefully, the best compromise for all systems. The trade-off between increased entropy in the offset value generation and the corresponding increased variability in address space fragmentation is not absolute, however, and some platforms may tolerate higher amounts of entropy. This patch introduces both new Kconfig values and a sysctl interface which may be used to change the amount of entropy used for offset generation on a system. The direct motivation for this change was in response to the libstagefright vulnerabilities that affected Android, specifically to information provided by Google's project zero at: http://googleprojectzero.blogspot.com/2015/09/stagefrightened.html The attack presented therein, by Google's project zero, specifically targeted the limited randomness used to generate the offset added to the mmap_base address in order to craft a brute-force-based attack. Concretely, the attack was against the mediaserver process, which was limited to respawning every 5 seconds, on an arm device. The hard-coded 8 bits used resulted in an average expected success rate of defeating the mmap ASLR after just over 10 minutes (128 tries at 5 seconds a piece). With this patch, and an accompanying increase in the entropy value to 16 bits, the same attack would take an average expected time of over 45 hours (32768 tries), which makes it both less feasible and more likely to be noticed. The introduced Kconfig and sysctl options are limited by per-arch minimum and maximum values, the minimum of which was chosen to match the current hard-coded value and the maximum of which was chosen so as to give the greatest flexibility without generating an invalid mmap_base address, generally a 3-4 bits less than the number of bits in the user-space accessible virtual address space. When decided whether or not to change the default value, a system developer should consider that mmap_base address could be placed anywhere up to 2^(value) bits away from the non-randomized location, which would introduce variable-sized areas above and below the mmap_base address such that the maximum vm_area_struct size may be reduced, preventing very large allocations. This patch (of 4): ASLR only uses as few as 8 bits to generate the random offset for the mmap base address on 32 bit architectures. This value was chosen to prevent a poorly chosen value from dividing the address space in such a way as to prevent large allocations. This may not be an issue on all platforms. Allow the specification of a minimum number of bits so that platforms desiring greater ASLR protection may determine where to place the trade-off. Signed-off-by: Daniel Cashman <dcashman@google.com> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: Kees Cook <keescook@chromium.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Don Zickus <dzickus@redhat.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Heinrich Schuchardt <xypron.glpk@gmx.de> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: David Rientjes <rientjes@google.com> Cc: Mark Salyzyn <salyzyn@android.com> Cc: Jeff Vander Stoep <jeffv@google.com> Cc: Nick Kralevich <nnk@google.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Hector Marco-Gisbert <hecmargi@upv.es> Cc: Borislav Petkov <bp@suse.de> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jerome Marchand
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8cee852ec5 |
mm, procfs: breakdown RSS for anon, shmem and file in /proc/pid/status
There are several shortcomings with the accounting of shared memory (SysV shm, shared anonymous mapping, mapping of a tmpfs file). The values in /proc/<pid>/status and <...>/statm don't allow to distinguish between shmem memory and a shared mapping to a regular file, even though theirs implication on memory usage are quite different: during reclaim, file mapping can be dropped or written back on disk, while shmem needs a place in swap. Also, to distinguish the memory occupied by anonymous and file mappings, one has to read the /proc/pid/statm file, which has a field for the file mappings (again, including shmem) and total memory occupied by these mappings (i.e. equivalent to VmRSS in the <...>/status file. Getting the value for anonymous mappings only is thus not exactly user-friendly (the statm file is intended to be rather efficiently machine-readable). To address both of these shortcomings, this patch adds a breakdown of VmRSS in /proc/<pid>/status via new fields RssAnon, RssFile and RssShmem, making use of the previous preparatory patch. These fields tell the user the memory occupied by private anonymous pages, mapped regular files and shmem, respectively. Other existing fields in /status and /statm files are left without change. The /statm file can be extended in the future, if there's a need for that. Example (part of) /proc/pid/status output including the new Rss* fields: VmPeak: 2001008 kB VmSize: 2001004 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 5108 kB VmRSS: 5108 kB RssAnon: 92 kB RssFile: 1324 kB RssShmem: 3692 kB VmData: 192 kB VmStk: 136 kB VmExe: 4 kB VmLib: 1784 kB VmPTE: 3928 kB VmPMD: 20 kB VmSwap: 0 kB HugetlbPages: 0 kB [vbabka@suse.cz: forward-porting, tweak changelog] Signed-off-by: Jerome Marchand <jmarchan@redhat.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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c261e7d94f |
mm, proc: account for shmem swap in /proc/pid/smaps
Currently, /proc/pid/smaps will always show "Swap: 0 kB" for shmem-backed mappings, even if the mapped portion does contain pages that were swapped out. This is because unlike private anonymous mappings, shmem does not change pte to swap entry, but pte_none when swapping the page out. In the smaps page walk, such page thus looks like it was never faulted in. This patch changes smaps_pte_entry() to determine the swap status for such pte_none entries for shmem mappings, similarly to how mincore_page() does it. Swapped out shmem pages are thus accounted for. For private mappings of tmpfs files that COWed some of the pages, swaped out status of the original shmem pages is naturally ignored. If some of the private copies was also swapped out, they are accounted via their page table swap entries, so the resulting reported swap usage is then a sum of both swapped out private copies, and swapped out shmem pages that were not COWed. No double accounting can thus happen. The accounting is arguably still not as precise as for private anonymous mappings, since now we will count also pages that the process in question never accessed, but another process populated them and then let them become swapped out. I believe it is still less confusing and subtle than not showing any swap usage by shmem mappings at all. Swapped out counter might of interest of users who would like to prevent from future swapins during performance critical operation and pre-fault them at their convenience. Especially for larger swapped out regions the cost of swapin is much higher than a fresh page allocation. So a differentiation between pte_none vs. swapped out is important for those usecases. One downside of this patch is that it makes /proc/pid/smaps more expensive for shmem mappings, as we consult the radix tree for each pte_none entry, so the overal complexity is O(n*log(n)). I have measured this on a process that creates a 2GB mapping and dirties single pages with a stride of 2MB, and time how long does it take to cat /proc/pid/smaps of this process 100 times. Private anonymous mapping: real 0m0.949s user 0m0.116s sys 0m0.348s Mapping of a /dev/shm/file: real 0m3.831s user 0m0.180s sys 0m3.212s The difference is rather substantial, so the next patch will reduce the cost for shared or read-only mappings. In a less controlled experiment, I've gathered pids of processes on my desktop that have either '/dev/shm/*' or 'SYSV*' in smaps. This included the Chrome browser and some KDE processes. Again, I've run cat /proc/pid/smaps on each 100 times. Before this patch: real 0m9.050s user 0m0.518s sys 0m8.066s After this patch: real 0m9.221s user 0m0.541s sys 0m8.187s This suggests low impact on average systems. Note that this patch doesn't attempt to adjust the SwapPss field for shmem mappings, which would need extra work to determine who else could have the pages mapped. Thus the value stays zero except for COWed swapped out pages in a shmem mapping, which are accounted as usual. Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by: Jerome Marchand <jmarchan@redhat.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
|
bf9683d699 |
mm, documentation: clarify /proc/pid/status VmSwap limitations for shmem
This series is based on Jerome Marchand's [1] so let me quote the first paragraph from there: There are several shortcomings with the accounting of shared memory (sysV shm, shared anonymous mapping, mapping to a tmpfs file). The values in /proc/<pid>/status and statm don't allow to distinguish between shmem memory and a shared mapping to a regular file, even though their implications on memory usage are quite different: at reclaim, file mapping can be dropped or written back on disk while shmem needs a place in swap. As for shmem pages that are swapped-out or in swap cache, they aren't accounted at all. The original motivation for myself is that a customer found (IMHO rightfully) confusing that e.g. top output for process swap usage is unreliable with respect to swapped out shmem pages, which are not accounted for. The fundamental difference between private anonymous and shmem pages is that the latter has PTE's converted to pte_none, and not swapents. As such, they are not accounted to the number of swapents visible e.g. in /proc/pid/status VmSwap row. It might be theoretically possible to use swapents when swapping out shmem (without extra cost, as one has to change all mappers anyway), and on swap in only convert the swapent for the faulting process, leaving swapents in other processes until they also fault (so again no extra cost). But I don't know how many assumptions this would break, and it would be too disruptive change for a relatively small benefit. Instead, my approach is to document the limitation of VmSwap, and provide means to determine the swap usage for shmem areas for those who are interested and willing to pay the price, using /proc/pid/smaps. Because outside of ipcs, I don't think it's possible to currently to determine the usage at all. The previous patchset [1] did introduce new shmem-specific fields into smaps output, and functions to determine the values. I take a simpler approach, noting that smaps output already has a "Swap: X kB" line, where currently X == 0 always for shmem areas. I think we can just consider this a bug and provide the proper value by consulting the radix tree, as e.g. mincore_page() does. In the patch changelog I explain why this is also not perfect (and cannot be without swapents), but still arguably much better than showing a 0. The last two patches are adapted from Jerome's patchset and provide a VmRSS breakdown to RssAnon, RssFile and RssShm in /proc/pid/status. Hugh noted that this is a welcome addition, and I agree that it might help e.g. debugging process memory usage at albeit non-zero, but still rather low cost of extra per-mm counter and some page flag checks. [1] http://lwn.net/Articles/611966/ This patch (of 6): The documentation for /proc/pid/status does not mention that the value of VmSwap counts only swapped out anonymous private pages, and not swapped out pages of the underlying shmem objects (for shmem mappings). This is not obvious, so document this limitation. Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Jerome Marchand <jmarchan@redhat.com> Acked-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Al Viro
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e8ecde25f5 |
Make sure that highmem pages are not added to symlink page cache
inode_nohighmem() is sufficient to make sure that page_get_link() won't try to allocate a highmem page. Moreover, it is sufficient to make sure that page_symlink/__page_symlink won't do the same thing. However, any filesystem that manually preseeds the symlink's page cache upon symlink(2) needs to make sure that the page it inserts there won't be a highmem one. Fortunately, only nfs and shmem have run afoul of that... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Leo Yan
|
ec3fc58b1e |
thermal: add description for integral_cutoff unit
Add more explicitly description for unit of integral_cutoff which used by power allocator governor. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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SeongJae Park
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ceec86ec06 |
Documentation: update libhugetlbfs site url
The site for libhugetlbfs has moved from sourceforge to github. This commit updates the old url. Signed-off-by: SeongJae Park <sj38.park@gmail.com> Acked-by: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Borislav Petkov
|
afd8c08446 |
Documentation: Explain pci=conf1,conf2 more verbosely
People complained that setting the PCI config space access mechanism through "pci=conf1" or "pci=conf2" on the command line is not really documented. Yeah, can you blame them? Look at what we have now. So try to improve the situation a bit by explaining what those "conf1" and "conf2" things actually mean. See http://wiki.osdev.org/PCI for more info. Suggested-by: Eric Morton <Eric.Morton@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> [jc: Added the above URL to the document too] Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Linus Torvalds
|
32250e4a5f |
Merge branch 'i2c/for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Quite some driver updates:
- piix4 can now handle multiplexed adapters
- brcmstb, xlr, eg20t, designware drivers support more SoCs
- emev2 gained i2c slave support
- img-scb and rcar got bigger refactoring to remove issues
- lots of common driver updates
i2c core changes:
- new quirk flag when an adapter does not support clock stretching,
so clients can be configured to avoid that if possible
- added a helper function to retrieve timing parameters from firmware
(with rcar being the first user)
- "multi-master" DT binding added so drivers can adapt to this
setting (like disabling PM to keep arbitration working)
- RuntimePM for the logical adapter device is now always enabled by
the core to ensure propagation from childs to the parent (the HW
device)
- new macro builtin_i2c_driver to reduce boilerplate"
* 'i2c/for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (70 commits)
i2c: create builtin_i2c_driver to avoid registration boilerplate
i2c: imx: fix i2c resource leak with dma transfer
dt-bindings: i2c: eeprom: add another EEPROM device
dt-bindings: move I2C eeprom descriptions to the proper file
i2c: designware: Do not require clock when SSCN and FFCN are provided
DT: i2c: trivial-devices: Add Epson RX8010 and MPL3115
i2c: s3c2410: remove superfluous runtime PM calls
i2c: always enable RuntimePM for the adapter device
i2c: designware: retry transfer on transient failure
i2c: ibm_iic: rename i2c_timings struct due to clash with generic version
i2c: designware: Add support for AMD Seattle I2C
i2c: imx: Remove unneeded comments
i2c: st: use to_platform_device()
i2c: designware: use to_pci_dev()
i2c: brcmstb: Adding support for CM and DSL SoCs
i2c: mediatek: fix i2c multi transfer issue in high speed mode
i2c: imx: improve code readability
i2c: imx: Improve message log when DMA is not used
i2c: imx: add runtime pm support to improve the performance
i2c: imx: init bus recovery info before adding i2c adapter
...
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Linus Torvalds
|
5339f9d4c2 |
DeviceTree updates for 4.5:
- Rework and export the changeset API to make it available to users other than DT overlays - ARM secure devices binding - OCTEON USB binding - Clean-up of various SRAM binding docs - Various other binding doc updates -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJWltcqAAoJEPr7XbWNvGHDDYQP/RbA05cU+CsDpknLS8LgJvpP BfIT78AeBX38V4vWzl7lGU7cZAEhZG2oljNgPflKZ60g1XCFg6jDjHvt1oU9H+ri I2I6p5r0k4dXc37X7xYtg02RpGsIpFzyRbM5gRtkwe+TZhFIjsZQazLNIrL6oU8y 0ZNDCheEUMq5oDadYraEWctfp3vNgSAzXlJ4I0IrXwb5hYBtBdAXKw5S3OPYl/m9 lcvoMjw8i8KY97frElZ3DTjjOd11ZTA3L6kwmTdlgmRqUZAMTXVZJiwk787YLGpd 6qjfOURa5/aefltXSS+SG3N6v9AeBgssRYtXy6s09/adqqv6ygSqgGPmxwxSgZOT gVqZ/ARhlvDlYIqPr6IfLhRLPZQ36GbPZOksMpZH0emQicu5+Uht+bYFFugDgs9f Zmwa59fmRIBvg10H6+SvaCSXKk3gRtovAdLOLO9HInarmCL7G1VfU1d8O/2fkPQY drHh/yS7fP91/DvxhN8Z2AKAURqv+BVZhmwGe36+Zucaph3yI8EAQSiypuGvxdHo e7U08hm1G1kmII38y+RyjqqXQFiXCLZ19QEcTTb1sPIwNfkuCc1rft0bGypqfIjw KK98TyG7eBAuf53zW8xRojGeYyku/w2GRsrGWdJrgVqghsy4INbBXkzLXDj14i7O BiPisfrIyAqViqWGI6eJ =LW4w -----END PGP SIGNATURE----- Merge tag 'devicetree-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree updates from Rob Herring: - Rework and export the changeset API to make it available to users other than DT overlays - ARM secure devices binding - OCTEON USB binding - Clean-up of various SRAM binding docs - Various other binding doc updates * tag 'devicetree-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (21 commits) drivers/of: Export OF changeset functions Fix documentation for adp1653 DT ARM: psci: Fix indentation in DT bindings of/platform: export of_default_bus_match_table of/unittest: Show broken behaviour in the platform bus of: fix declaration of of_io_request_and_map of/address: replace printk(KERN_ERR ...) with pr_err(...) of/irq: optimize device node matching loop in of_irq_init() dt-bindings: tda998x: Document the required 'port' node. net/macb: bindings doc: Merge cdns-emac to macb dt-bindings: Misc fix for the ATH79 DDR controllers dt-bindings: Misc fix for the ATH79 MISC interrupt controllers Documentation: dt: Add bindings for Secure-only devices dt-bindings: ARM: add arm,cortex-a72 compatible string ASoC: Atmel: ClassD: add GCK's parent clock in DT binding DT: add Olimex to vendor prefixes Documentation: fsl-quadspi: Add fsl,ls1021-qspi compatible string Documentation/devicetree: document OCTEON USB bindings usb: misc: usb3503: Describe better how to bind clock to the hub dt-bindings: Consolidate SRAM bindings from all vendors ... |
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Linus Torvalds
|
cf8d7e3850 |
- New Device Support
- Add support for s2mps15; sec-core
- Add support for Lewisburg; lpc_ich
- Add support for cs47l24 and wm1831; arizona
- New Functionality
- Allow user to select syscon register width; syscon
- Fix-ups
- Lots of Checkpatch fixes
- Rename -pmic/-regulator; s2mps11
- Build driver components into a single module; wm8994-*
- Better handing of IRQ during suspend/resume; as3722
- Constify things; da903x
- Remove unused code; ab8500-core
- Improve error handing; qcom_rpm
- Simplify code: wm831x-otp, sta2x11-mfd
- Improve locking; cros_ec_spi
- Fix incorrect DT binding filename reference; arizona, palmas,
snps-dwapb-gpio, wm8994
- Bug Fixes
- Fix broken SYSFS 'show ID' call; wm831x-otp
- Protect reads from non-existent registers; qcom-spmi-pmic
- Repair build warnings; as3722
- Fix IRQ request ordering; arizona-irq
- Ensure return value is boolean; ucb1x00-core, tps65010, tc6393xb,
htc-egpio, dm355evm_msp, asic3,
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Merge tag 'mfd-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Device Support:
- Add support for s2mps15; sec-core
- Add support for Lewisburg; lpc_ich
- Add support for cs47l24 and wm1831; arizona
New Functionality:
- Allow user to select syscon register width; syscon
Fix-ups:
- Lots of Checkpatch fixes
- Rename -pmic/-regulator; s2mps11
- Build driver components into a single module; wm8994-*
- Better handing of IRQ during suspend/resume; as3722
- Constify things; da903x
- Remove unused code; ab8500-core
- Improve error handing; qcom_rpm
- Simplify code: wm831x-otp, sta2x11-mfd
- Improve locking; cros_ec_spi
- Fix incorrect DT binding filename reference; arizona, palmas,
snps-dwapb-gpio, wm8994
Bug Fixes:
- Fix broken SYSFS 'show ID' call; wm831x-otp
- Protect reads from non-existent registers; qcom-spmi-pmic
- Repair build warnings; as3722
- Fix IRQ request ordering; arizona-irq
- Ensure return value is boolean; ucb1x00-core, tps65010, tc6393xb,
htc-egpio, dm355evm_msp, asic3"
* tag 'mfd-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (58 commits)
mfd: davinci_voicecodec: Remove pointless 'out of memory' error message
mfd: da9052-irq: Fix trivial 'space before comma' error
mfd: da9052-i2c: Fix tabbing/whitespace issue
mfd: da903x: Fix white space and split string issues
mfd: cs5535-mfd: Add missing line spacing and make local array static
mfd: cros_ec_spi: Repair comparison ordering issue
mfd: cros_ec_i2c: Fix trivial 'tabs before spaces' whitespace issue.
mfd: asic3: Fix a plethora of Checkpatch errors and warnings
mfd: as3711: Repair OOM and 'line over 80 chars' formatting warnings
mfd: arizona-i2c: Add blank line formatting after declaration
mfd: arizona-core: msleep() is unreliable for anything <20ms use usleep_range() instead
mfd: adp5520: Some trivial 'no space before tab' fixes
mfd: ab8500-sysctrl: Fix Constify, printk => pr_info and formatting issues
mfd: ab8500-gpadc: Squash a whole bunch of Checkpatch warnings and one error
mfd: ab8500-debugfs: Clean-up non-conforming commenting and print formatting
mfd: ab8500-core: Fix many warnings reported by Checkpatch
mfd: ab2100-otp: Remove pointless 'out of memory' error message
mfd: ab3100-core.c: Fix multiple warnings reported by Checkpatch
mfd: aat2870-core: Remove unnecessary 'out of memory' message
mfd: 88pm860x-core: Fix commenting and declaration spacing
...
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Charles Keepax
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0b81995148 |
mfd: arizona: Add device tree binding documentation for new clock driver
Specify the device tree binding for the input clocks to Arizona devices. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> |
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Krzysztof Kozlowski
|
5d1d147f04 |
dt-bindings: regulator/mfd: Reorganize S2MPA01 bindings
The mfd/s2mpa01.txt duplicates some of the information about bindings with old mfd/s2mps11.txt. Now common part exists entirely in mfd/samsung,sec-core.txt so: - add company prefix to file name (regulator/samsung,s2mpa01.txt), - remove duplicated information, - reorganize the contents to match style of regulator/samsung,s2mps11.txt. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> |
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Krzysztof Kozlowski
|
27383ca93b |
dt-bindings: regulator/mfd: Reorganize S5M8767 bindings
The regulator/s5m8767-regulator.txt duplicates some of the information about bindings with old mfd/s2mps11.txt. Now common part exists entirely in mfd/samsung,sec-core.txt so: - add company prefix to file name (regulator/samsung,s5m8767.txt), - remove duplicated information, - reorganize the contents to match style of regulator/samsung,s2mps11.txt. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> |
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Krzysztof Kozlowski
|
a13c7c51fd |
dt-bindings: regulator/clock/mfd: Reorganize S2MPS-family bindings
Bindings for Samsung S2M and S5M family PMICs are in mess. They are spread over different files and subdirectories in a non-consistent way. The devices and respective drivers for them share a lot in common so everything could be organized in a more readable way. Reorganize the S2MPS11/13/14/15 Device Tree bindings to match the drivers for this family of devices: - move mfd/s2mps11.txt to mfd/samsung,sec-core.txt for the main MFD driver (common for entire family), - split clock block to clock/samsung,s2mps11.txt, - split regulator block to regulator/samsung,s2mps11.txt. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Michael Turquette <mturquette@baylibre.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> |
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Linus Torvalds
|
f9a03ae123 |
Merge tag 'for-f2fs-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim: "This series adds two ioctls to control cached data and fragmented files. Most of the rest fixes missing error cases and bugs that we have not covered so far. Summary: Enhancements: - support an ioctl to execute online file defragmentation - support an ioctl to flush cached data - speed up shrinking of extent_cache entries - handle broken superblock - refector dirty inode management infra - revisit f2fs_map_blocks to handle more cases - reduce global lock coverage - add detecting user's idle time Major bug fixes: - fix data race condition on cached nat entries - fix error cases of volatile and atomic writes" * tag 'for-f2fs-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (87 commits) f2fs: should unset atomic flag after successful commit f2fs: fix wrong memory condition check f2fs: monitor the number of background checkpoint f2fs: detect idle time depending on user behavior f2fs: introduce time and interval facility f2fs: skip releasing nodes in chindless extent tree f2fs: use atomic type for node count in extent tree f2fs: recognize encrypted data in f2fs_fiemap f2fs: clean up f2fs_balance_fs f2fs: remove redundant calls f2fs: avoid unnecessary f2fs_balance_fs calls f2fs: check the page status filled from disk f2fs: introduce __get_node_page to reuse common code f2fs: check node id earily when readaheading node page f2fs: read isize while holding i_mutex in fiemap Revert "f2fs: check the node block address of newly allocated nid" f2fs: cover more area with nat_tree_lock f2fs: introduce max_file_blocks in sbi f2fs crypto: check CONFIG_F2FS_FS_XATTR for encrypted symlink f2fs: introduce zombie list for fast shrinking extent trees ... |
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Linus Torvalds
|
1289ace5b4 |
SCSI misc on 20160113
This pull includes driver updates from the usual suspects (bfa, arcmsr, scsi_dh_alua, lpfc, storvsc, cxlflash). The major change is the addition of the hisi_sas driver, which is an ARM platform device for SAS. The other change of note is an enormous style transformation to the atp870u driver (which is our worst written SCSI driver). Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAABAgAGBQJWluqqAAoJEDeqqVYsXL0McuwH/1oqvFOagsvoDcwDyNAUR/eW VAH454ndIJ0eSXORNfA7ko3ZQKa53x1WN9eKr+RHI7lpGCjwBz2MjnvQsnKISvXp K0owkJTcAAF+Wdq7rdNlm1VlQHuLvG8TMTnno+NY3CtxCR2yiRWlctkNkjr0rWUv leXJkXZSThkkiY/rEDZZXee8Ajwac87QT+ELEqCT2HueGZD+J8s59JpsOtZdt6Bj n94ydOuct8hF3Xt3pdu1oDRpWpoJIyjHtYhdrvzSiKKBHTWtuq1oN0Cwnp0qtEDD X3K1Mr0yBmAjTOsK+y+bZnJ1y7qJLLt5ZHmVixkzFWujXPNbrIsyYkV5eI432XA= =ggNi -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull first round of SCSI updates from James Bottomley: "This includes driver updates from the usual suspects (bfa, arcmsr, scsi_dh_alua, lpfc, storvsc, cxlflash). The major change is the addition of the hisi_sas driver, which is an ARM platform device for SAS. The other change of note is an enormous style transformation to the atp870u driver (which is our worst written SCSI driver)" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (169 commits) cxlflash: Enable device id for future IBM CXL adapter cxlflash: Resolve oops in wait_port_offline cxlflash: Fix to resolve cmd leak after host reset cxlflash: Removed driver date print cxlflash: Fix to avoid virtual LUN failover failure cxlflash: Fix to escalate LINK_RESET also on port 1 storvsc: Tighten up the interrupt path storvsc: Refactor the code in storvsc_channel_init() storvsc: Properly support Fibre Channel devices storvsc: Fix a bug in the layout of the hv_fc_wwn_packet mvsas: Add SGPIO support to Marvell 94xx mpt3sas: A correction in unmap_resources hpsa: Add box and bay information for enclosure devices hpsa: Change SAS transport devices to bus 0. hpsa: fix path_info_show cciss: print max outstanding commands as a hex value scsi_debug: Increase the reported optimal transfer length lpfc: Update version to 11.0.0.10 for upstream patch set lpfc: Use kzalloc instead of kmalloc lpfc: Delete unnecessary checks before the function call "mempool_destroy" ... |
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Linus Torvalds
|
cbd88cd4c0 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"Among the traditional bug fixes and cleanups are some improvements:
- A tool to generated the facility lists, generating the bit fields
by hand has been a source of bugs in the past
- The spinlock loop is reordered to avoid bursts of hypervisor calls
- Add support for the open-for-business interface to the service
element
- The get_cpu call is added to the vdso
- A set of tracepoints is defined for the common I/O layer
- The deprecated sclp_cpi module is removed
- Update default configuration"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (56 commits)
s390/sclp: fix possible control register corruption
s390: fix normalization bug in exception table sorting
s390/configs: update default configurations
s390/vdso: optimize getcpu system call
s390: drop smp_mb in vdso_init
s390: rename struct _lowcore to struct lowcore
s390/mem_detect: use unsigned longs
s390/ptrace: get rid of long longs in psw_bits
s390/sysinfo: add missing SYSIB 1.2.2 multithreading fields
s390: get rid of CONFIG_SCHED_MC and CONFIG_SCHED_BOOK
s390/Kconfig: remove pointless 64 bit dependencies
s390/dasd: fix failfast for disconnected devices
s390/con3270: testing return kzalloc retval
s390/hmcdrv: constify hmcdrv_ftp_ops structs
s390/cio: add NULL test
s390/cio: Change I/O instructions from inline to normal functions
s390/cio: Introduce common I/O layer tracepoints
s390/cio: Consolidate inline assemblies and related data definitions
s390/cio: Fix incorrect xsch opcode specification
s390/cio: Remove unused inline assemblies
...
|
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Linus Torvalds
|
77a76b04d2 |
media updates for v4.5-rc1
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Linus Torvalds
|
50ae833e47 |
spi: Updates for v4.5
A quiet release for SPI, not even many driver updates:
- Add a dummy loopback driver for use in exercising framework features
during development.
- Move the test utilities to tools/ and add support for transferring
data to and from a file instead of stdin and stdout to spidev_test.
- Support for Mediatek MT2701 and Renesas AG5 deices.
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Merge tag 'spi-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A quiet release for SPI, not even many driver updates:
- Add a dummy loopback driver for use in exercising framework
features during development.
- Move the test utilities to tools/ and add support for transferring
data to and from a file instead of stdin and stdout to spidev_test.
- Support for Mediatek MT2701 and Renesas AG5 deices"
* tag 'spi-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (69 commits)
spi: loopback: fix typo in MODULE_PARM_DESC
spi: sun4i: Prevent chip-select from being activated twice before a transfer
spi: loopback-test: spi_check_rx_ranges can get always done
spi: loopback-test: rename method spi_test_fill_tx to spi_test_fill_pattern
spi: loopback-test: write rx pattern also when running without tx_buf
spi: fsl-espi: expose maximum transfer size limit
spi: expose master transfer size limitation.
spi: zynq: use to_platform_device()
spi: cadence: use to_platform_device()
spi: mediatek: Add spi support for mt2701 IC
spi: mediatek: merge all identical compat to mtk_common_compat
spi: mtk: Add bindings for mediatek MT2701 soc platform
spi: mediatek: Prevent overflows in FIFO transfers
spi: s3c64xx: Remove unused platform_device_id entries
spi: use to_spi_device
spi: dw: Use SPI_TMOD_TR rather than magic const 0 to set tmode
spi: imx: defer spi initialization, if DMA engine is
spi: imx: return error from dma channel request
spi: imx: enable loopback only for ECSPI controller family
spi: imx: fix loopback mode setup after controller reset
...
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Linus Torvalds
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ac53b2e053 |
MTD updates for v4.5:
Generic MTD
* populate the MTD device 'of_node' field (and get a proper 'of_node' symlink
in sysfs)
- This yielded some new helper functions, and changes across a variety of
drivers
* partitioning cleanups, to prepare for better device-tree based partitioning
in the future
- Eliminate a lot of boilerplate for drivers that want to use OF-based
partition parsing
- The DT bindings for this didn't settle yet, so most non-cleanup portions
are deferred for a future release
NAND
* embed a struct mtd_info inside struct nand_chip
- This is really long overdue; too many drivers have to do the same silly
boilerplate to allocate and link up two "independent" structs, when in
fact, everyone is assuming there is an exact 1:1 relationship between a
NAND chips struct and its underlying MTD. This aids improved helpers and
should make certain abstractions easier in the future.
- Also causes a lot of churn, helped along by some automated code
transformations
* add more core support for detecting (and "correcting") bitflips in erased
pages; requires opt-in by drivers, but at least we kill a few bad
implementations and hopefully stave off future ones
* pxa3xx_nand: cleanups, a few fixes, and PM improvements
* new JZ4780 NAND driver
SPI NOR
* provide default erase function, for controllers that just want to send the
SECTOR_ERASE command directly
* fix some module auto-loading issues with device tree ("jedec,spi-nor")
* error handling fixes
* new Mediatek QSPI flash driver
Other
* cfi: force valid geometry Kconfig (finally!)
- this one used to trip up randconfigs occasionally, since bots aren't
deterred by big scary "advanced configuration" menus
More? Probably. See the commit logs.
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Merge tag 'for-linus-20160112' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
"Generic MTD:
- populate the MTD device 'of_node' field (and get a proper 'of_node'
symlink in sysfs)
This yielded some new helper functions, and changes across a
variety of drivers
- partitioning cleanups, to prepare for better device-tree based
partitioning in the future
Eliminate a lot of boilerplate for drivers that want to use
OF-based partition parsing
The DT bindings for this didn't settle yet, so most non-cleanup
portions are deferred for a future release
NAND:
- embed a struct mtd_info inside struct nand_chip
This is really long overdue; too many drivers have to do the same
silly boilerplate to allocate and link up two "independent"
structs, when in fact, everyone is assuming there is an exact 1:1
relationship between a NAND chips struct and its underlying MTD.
This aids improved helpers and should make certain abstractions
easier in the future.
Also causes a lot of churn, helped along by some automated code
transformations
- add more core support for detecting (and "correcting") bitflips in
erased pages; requires opt-in by drivers, but at least we kill a
few bad implementations and hopefully stave off future ones
- pxa3xx_nand: cleanups, a few fixes, and PM improvements
- new JZ4780 NAND driver
SPI NOR:
- provide default erase function, for controllers that just want to
send the SECTOR_ERASE command directly
- fix some module auto-loading issues with device tree
("jedec,spi-nor")
- error handling fixes
- new Mediatek QSPI flash driver
Other:
- cfi: force valid geometry Kconfig (finally!)
This one used to trip up randconfigs occasionally, since bots
aren't deterred by big scary "advanced configuration" menus
More? Probably. See the commit logs"
* tag 'for-linus-20160112' of git://git.infradead.org/linux-mtd: (168 commits)
mtd: jz4780_nand: replace if/else blocks with switch/case
mtd: nand: jz4780: Update ecc correction error codes
mtd: nandsim: use nand_get_controller_data()
mtd: jz4780_nand: remove useless mtd->priv = chip assignment
staging: mt29f_spinand: make use of nand_set/get_controller_data() helpers
mtd: nand: make use of nand_set/get_controller_data() helpers
ARM: make use of nand_set/get_controller_data() helpers
mtd: nand: add helpers to access ->priv
mtd: nand: jz4780: driver for NAND devices on JZ4780 SoCs
mtd: nand: jz4740: remove custom 'erased check' implementation
mtd: nand: diskonchip: remove custom 'erased check' implementation
mtd: nand: davinci: remove custom 'erased check' implementation
mtd: nand: use nand_check_erased_ecc_chunk in default ECC read functions
mtd: nand: return consistent error codes in ecc.correct() implementations
doc: dt: mtd: new binding for jz4780-{nand,bch}
mtd: cfi_cmdset_0001: fixing memory leak and handling failed kmalloc
mtd: spi-nor: wait until lock/unlock operations are ready
mtd: tests: consolidate kmalloc/memset 0 call to kzalloc
jffs2: use to_delayed_work
mtd: nand: assign reasonable default name for NAND drivers
...
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Linus Torvalds
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1c5ff2ab7b |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: - new driver for eGalaxTouch serial touchscreen - new driver for TS-4800 touchscreen - an update for Goodix touchscreen driver - PS/2 mouse module was reworked to limit number of protocols we try on pass-through ports to speed up their detection time - wacom_w8001 touchscreen driver now reports pen and touch via separate instances of input devices - other driver changes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (42 commits) Input: elantech - mark protocols v2 and v3 as semi-mt Input: wacom_w8001 - drop use of ABS_MT_TOOL_TYPE Input: gpio-keys - fix check for disabling unsupported keys Input: omap-keypad - remove dead check Input: ti_am335x_tsc - fix HWPEN interrupt handling Input: omap-keypad - set tasklet data earlier Input: rohm_bu21023 - fix handling of retrying firmware update Input: ALPS - report v3 pinnacle trackstick device only if is present Input: ALPS - detect trackstick presence for v7 protocol Input: pcap_ts - use to_delayed_work Input: bma150 - constify bma150_cfg structure Input: i8042 - add Fujitsu Lifebook U745 to the nomux list Input: egalax_ts_serial - fix potential NULL dereference on error Input: uinput - sanity check on ff_effects_max and EV_FF Input: uinput - rework ABS validation Input: uinput - add new UINPUT_DEV_SETUP and UI_ABS_SETUP ioctl Input: goodix - use "inverted_[xy]" flags instead of "rotated_screen" Input: goodix - add axis swapping and axis inversion support Input: goodix - use goodix_i2c_write_u8 instead of i2c_master_send Input: goodix - add power management support ... |
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Linus Torvalds
|
d6a322774c |
dmaengine updates for 4.5-rc1
This round we have few new features, new driver and updates to few drivers.
The new features to dmaengine core are:
- Synchronized transfer termination API to terminate the dmaengine
transfers in synchronized and async fashion as required by users.
We have its user now in ALSA dmaengine lib, img, at_xdma, axi_dmac
drivers.
- Universal API for channel request and start consolidation of request
flows. It's user is ompa-dma driver.
- Introduce reuse of descriptors and use in pxa_dma driver
Add/Remove:
- STM32 DMA driver
- Removal of unused R-Car HPB-DMAC driver
Updates:
- ti-dma-crossbar updates for supporting eDMA
- tegra-apb pm updates
- idma64
- mv_xor updates
- ste_dma updates
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Merge tag 'dmaengine-4.5-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This round we have few new features, new driver and updates to few
drivers.
The new features to dmaengine core are:
- Synchronized transfer termination API to terminate the dmaengine
transfers in synchronized and async fashion as required by users.
We have its user now in ALSA dmaengine lib, img, at_xdma, axi_dmac
drivers.
- Universal API for channel request and start consolidation of
request flows. It's user is ompa-dma driver.
- Introduce reuse of descriptors and use in pxa_dma driver
Add/Remove:
- New STM32 DMA driver
- Removal of unused R-Car HPB-DMAC driver
Updates:
- ti-dma-crossbar updates for supporting eDMA
- tegra-apb pm updates
- idma64
- mv_xor updates
- ste_dma updates"
* tag 'dmaengine-4.5-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (54 commits)
dmaengine: mv_xor: add suspend/resume support
dmaengine: mv_xor: de-duplicate mv_chan_set_mode*()
dmaengine: mv_xor: remove mv_xor_chan->current_type field
dmaengine: omap-dma: Add support for DMA filter mapping to slave devices
dmaengine: edma: Add support for DMA filter mapping to slave devices
dmaengine: core: Introduce new, universal API to request a channel
dmaengine: core: Move and merge the code paths using private_candidate
dmaengine: core: Skip mask matching when it is not provided to private_candidate
dmaengine: mdc: Correct terminate_all handling
dmaengine: edma: Add probe callback to edma_tptc_driver
dmaengine: dw: fix potential memory leak in dw_dma_parse_dt()
dmaengine: stm32-dma: Fix unchecked deference of chan->desc
dmaengine: sh: Remove unused R-Car HPB-DMAC driver
dmaengine: usb-dmac: Document SoC specific compatibility strings
ste_dma40: Delete an unnecessary variable initialisation in d40_probe()
ste_dma40: Delete another unnecessary check in d40_probe()
ste_dma40: Delete an unnecessary check before the function call "kmem_cache_destroy"
dmaengine: tegra-apb: Free interrupts before killing tasklets
dmaengine: tegra-apb: Update driver to use GFP_NOWAIT
dmaengine: tegra-apb: Only save channel state for those in use
...
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Linus Torvalds
|
4c257ec37b |
char/misc patches for 4.5-rc1
Here's the big set of char/misc patches for 4.5-rc1. Nothing major, lots of different driver subsystem updates, full details in the shortlog. All of these have been in linux-next for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlaV0GsACgkQMUfUDdst+ymlPgCg07GSc4SOWlUL2V36vQ0kucoO YjAAoMfeUEhsf/NJ7iaAMGQVUQKuYVqr =BlqH -----END PGP SIGNATURE----- Merge tag 'char-misc-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc updates from Greg KH: "Here's the big set of char/misc patches for 4.5-rc1. Nothing major, lots of different driver subsystem updates, full details in the shortlog. All of these have been in linux-next for a while" * tag 'char-misc-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (71 commits) mei: fix fasync return value on error parport: avoid assignment in if parport: remove unneeded space parport: change style of NULL comparison parport: remove unnecessary out of memory message parport: remove braces parport: quoted strings should not be split parport: code indent should use tabs parport: fix coding style parport: EXPORT_SYMBOL should follow function parport: remove trailing white space parport: fix a trivial typo coresight: Fix a typo in Kconfig coresight: checking for NULL string in coresight_name_match() Drivers: hv: vmbus: Treat Fibre Channel devices as performance critical Drivers: hv: utils: fix hvt_op_poll() return value on transport destroy Drivers: hv: vmbus: fix the building warning with hyperv-keyboard extcon: add Maxim MAX3355 driver Drivers: hv: ring_buffer: eliminate hv_ringbuffer_peek() Drivers: hv: remove code duplication between vmbus_recvpacket()/vmbus_recvpacket_raw() ... |