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7113 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Hans de Goede
|
2bbb5fa374 |
ACPI / platform: Add SMB0001 HID to forbidden_id_list
Many HP AMD based laptops contain an SMB0001 device like this:
Device (SMBD)
{
Name (_HID, "SMB0001") // _HID: Hardware ID
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
IO (Decode16,
0x0B20, // Range Minimum
0x0B20, // Range Maximum
0x20, // Alignment
0x20, // Length
)
IRQ (Level, ActiveLow, Shared, )
{7}
})
}
The legacy style IRQ resource here causes acpi_dev_get_irqresource() to
be called with legacy=true and this message to show in dmesg:
ACPI: IRQ 7 override to edge, high
This causes issues when later on the AMD0030 GPIO device gets enumerated:
Device (GPIO)
{
Name (_HID, "AMDI0030") // _HID: Hardware ID
Name (_CID, "AMDI0030") // _CID: Compatible ID
Name (_UID, Zero) // _UID: Unique ID
Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings
{
Name (RBUF, ResourceTemplate ()
{
Interrupt (ResourceConsumer, Level, ActiveLow, Shared, ,, )
{
0x00000007,
}
Memory32Fixed (ReadWrite,
0xFED81500, // Address Base
0x00000400, // Address Length
)
})
Return (RBUF) /* \_SB_.GPIO._CRS.RBUF */
}
}
Now acpi_dev_get_irqresource() gets called with legacy=false, but because
of the earlier override of the trigger-type acpi_register_gsi() returns
-EBUSY (because we try to register the same interrupt with a different
trigger-type) and we end up setting IORESOURCE_DISABLED in the flags.
The setting of IORESOURCE_DISABLED causes platform_get_irq() to call
acpi_irq_get() which is not implemented on x86 and returns -EINVAL.
resulting in the following in dmesg:
amd_gpio AMDI0030:00: Failed to get gpio IRQ: -22
amd_gpio: probe of AMDI0030:00 failed with error -22
The SMB0001 is a "virtual" device in the sense that the only way the OS
interacts with it is through calling a couple of methods to do SMBus
transfers. As such it is weird that it has IO and IRQ resources at all,
because the driver for it is not expected to ever access the hardware
directly.
The Linux driver for the SMB0001 device directly binds to the acpi_device
through the acpi_bus, so we do not need to instantiate a platform_device
for this ACPI device. This commit adds the SMB0001 HID to the
forbidden_id_list, avoiding the instantiating of a platform_device for it.
Not instantiating a platform_device means we will no longer call
acpi_dev_get_irqresource() for the legacy IRQ resource fixing the probe of
the AMDI0030 device failing.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1644013
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=198715
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199523
Reported-by: Lukas Kahnert <openproggerfreak@gmail.com>
Tested-by: Marc <suaefar@googlemail.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
||
|
Linus Torvalds
|
25e19c1fe4 |
libnvdimm 4.20-rc3
- Address Range Scrub overflow continuation handling has been broken
since it was initially merged. It was only recently that error injection
and platform-BIOS support enabled this corner case to be exercised.
- The recent attempt to provide more isolation for the kernel Address
Range Scrub state machine from userapace initiated sessions triggers a
lockdep report. Revert and try again at the next merge window.
- Fix a kasan reported buffer overflow in libnvdimm unit test
infrastrucutre (nfit_test)
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Merge tag 'libnvdimm-fixes-4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A small batch of fixes for v4.20-rc3.
The overflow continuation fix addresses something that has been broken
for several releases. Arguably it could wait even longer, but it's a
one line fix and this finishes the last of the known address range
scrub bug reports. The revert addresses a lockdep regression. The unit
tests are not critical to fix, but no reason to hold this fix back.
Summary:
- Address Range Scrub overflow continuation handling has been broken
since it was initially merged. It was only recently that error
injection and platform-BIOS support enabled this corner case to be
exercised.
- The recent attempt to provide more isolation for the kernel Address
Range Scrub state machine from userapace initiated sessions
triggers a lockdep report. Revert and try again at the next merge
window.
- Fix a kasan reported buffer overflow in libnvdimm unit test
infrastrucutre (nfit_test)"
* tag 'libnvdimm-fixes-4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
Revert "acpi, nfit: Further restrict userspace ARS start requests"
acpi, nfit: Fix ARS overflow continuation
tools/testing/nvdimm: Fix the array size for dimm devices.
|
||
|
Linus Torvalds
|
3472f66013 |
ACPI fix for 4.20-rc3
Fix a recently introduced build issue in the xpower PMIC driver (Arnd Bergmann). -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJb52RGAAoJEILEb/54YlRxbbAQALJ69mrmh46sfHwyWm+s/F6+ P2KpQIqCdAxRooZllsWw9X+e+ORABfAX6sAalXeEAF++7J7yR6sbbiDyP483/uJC tY357eH9XtKddTwH/JFF0XRSejDYxnJOwiMbcau3eG+XDAMXjZp1GA27qG0MHy/T PfVJsefsN4X9TSCEARXTqrrIkLVI+57P2k2pqIiKv4hXRU5NyS2UDootBrY3rdbY NWQbNpXjerxj9OcogxwyqKp3vS9kTGhucJ9BwfdKAx+jNMd/K5m+ghcf751aD28F wAZEqn0ptCq4hsebdrXubZcDftA6XlJ33OTzVGxTH91N4r6e5ezTHs5ptFa3rj+d h4gNsy9yw7fNoc2Zh1hr6O42ahep1lJd1MAxbR8h00lEXBLRiNWJkByHimvXfOLZ QLP6iwecOZbA5He02EKP51NlQ8S2x19LR20tF+ebhzcPiYio7teK1ILlG70waLn8 aeB0R46dkInbeFwI3CAjGpnI+mUXhy9ALUnZrXUL4uh+/5QfVp+H3EfvolqfUOaG ZmDdbazRy3BqeDXhtPSVtKRbe+eVQy2OqQMIf4KtzqBNBXJ2v0biy4YWXa3YZJBk XK0XOxRmotbl9BUq9aHmrAPPpgQeg2SV+hL4nPgMh+meiD9yD64d9g/QnSqxm26P 74fBSOKUAJW21pfFA7fw =HEix -----END PGP SIGNATURE----- Merge tag 'acpi-4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "Fix a recently introduced build issue in the xpower PMIC driver (Arnd Bergmann)" * tag 'acpi-4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / PMIC: xpower: fix IOSF_MBI dependency |
||
|
Dan Williams
|
2121db0963 |
Revert "acpi, nfit: Further restrict userspace ARS start requests"
The following lockdep splat results from acquiring the init_mutex in
acpi_nfit_clear_to_send():
WARNING: possible circular locking dependency detected
lt-daxdev-error/7216 is trying to acquire lock:
00000000f694db15 (&acpi_desc->init_mutex){+.+.}, at: acpi_nfit_clear_to_send+0x27/0x80 [nfit]
but task is already holding lock:
00000000182298f2 (&nvdimm_bus->reconfig_mutex){+.+.}, at: __nd_ioctl+0x457/0x610 [libnvdimm]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&nvdimm_bus->reconfig_mutex){+.+.}:
nvdimm_badblocks_populate+0x41/0x150 [libnvdimm]
nd_region_notify+0x95/0xb0 [libnvdimm]
nd_device_notify+0x40/0x50 [libnvdimm]
ars_complete+0x7f/0xd0 [nfit]
acpi_nfit_scrub+0xbb/0x410 [nfit]
process_one_work+0x22b/0x5c0
worker_thread+0x3c/0x390
kthread+0x11e/0x140
ret_from_fork+0x3a/0x50
-> #0 (&acpi_desc->init_mutex){+.+.}:
__mutex_lock+0x83/0x980
acpi_nfit_clear_to_send+0x27/0x80 [nfit]
__nd_ioctl+0x474/0x610 [libnvdimm]
nd_ioctl+0xa4/0xb0 [libnvdimm]
do_vfs_ioctl+0xa5/0x6e0
ksys_ioctl+0x70/0x80
__x64_sys_ioctl+0x16/0x20
do_syscall_64+0x60/0x210
entry_SYSCALL_64_after_hwframe+0x49/0xbe
New infrastructure is needed to be able to perform this check without
acquiring the lock.
Fixes:
|
||
|
Dan Williams
|
3fa58dcab5 |
acpi, nfit: Fix ARS overflow continuation
When the platform BIOS is unable to report all the media error records
it requires the OS to restart the scrub at a prescribed location. The
driver detects the overflow condition, but then fails to report it to
the ARS state machine after reaping the records. Propagate -ENOSPC
correctly to continue the ARS operation.
Cc: <stable@vger.kernel.org>
Fixes:
|
||
|
Arnd Bergmann
|
017ce359a7 |
ACPI / PMIC: xpower: fix IOSF_MBI dependency
We still get a link failure with IOSF_MBI=m when the xpower driver
is built-in:
drivers/acpi/pmic/intel_pmic_xpower.o: In function `intel_xpower_pmic_update_power':
intel_pmic_xpower.c:(.text+0x4f2): undefined reference to `iosf_mbi_block_punit_i2c_access'
intel_pmic_xpower.c:(.text+0x5e2): undefined reference to `iosf_mbi_unblock_punit_i2c_access'
This makes the dependency stronger, so we can only build when IOSF_MBI
is built-in.
Fixes:
|
||
|
Vishal Verma
|
e8a308e5f4 |
acpi/nfit, x86/mce: Validate a MCE's address before using it
The NFIT machine check handler uses the physical address from the mce
structure, and compares it against information in the ACPI NFIT table
to determine whether that location lies on an NVDIMM. The mce->addr
field however may not always be valid, and this is indicated by the
MCI_STATUS_ADDRV bit in the status field.
Export mce_usable_address() which already performs validation for the
address, and use it in the NFIT handler.
Fixes:
|
||
|
Vishal Verma
|
5d96c9342c |
acpi/nfit, x86/mce: Handle only uncorrectable machine checks
The MCE handler for nfit devices is called for memory errors on a
Non-Volatile DIMM and adds the error location to a 'badblocks' list.
This list is used by the various NVDIMM drivers to avoid consuming known
poison locations during IO.
The MCE handler gets called for both corrected and uncorrectable errors.
Until now, both kinds of errors have been added to the badblocks list.
However, corrected memory errors indicate that the problem has already
been fixed by hardware, and the resulting interrupt is merely a
notification to Linux.
As far as future accesses to that location are concerned, it is
perfectly fine to use, and thus doesn't need to be included in the above
badblocks list.
Add a check in the nfit MCE handler to filter out corrected mce events,
and only process uncorrectable errors.
Fixes:
|
||
|
Linus Torvalds
|
fcc37f76a9 |
pwm: Changes for v4.20-rc1
This series contains a number of improvements to existing drivers, such
as LPSS. Some drivers, such as renesas-tpu and rcar get support for more
SoC generations. To round things off this fixes an issue with the sysfs
interface.
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Merge tag 'pwm/for-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This series contains a number of improvements to existing drivers,
such as LPSS. Some drivers, such as renesas-tpu and rcar get support
for more SoC generations. To round things off this fixes an issue with
the sysfs interface"
* tag 'pwm/for-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: lpss: Only set update bit if we are actually changing the settings
pwm: lpss: Force runtime-resume on suspend on Cherry Trail
pwm: Enable TI ECAP driver for ARCH_K3
dt-bindings: pwm: tiecap: Add TI AM654 SoC specific compatible
dt-bindings: pwm: rcar: Add r8a774a1 support
pwm: Send a uevent on the pwmchip device upon channel sysfs (un)export
Revert "pwm: Set class for exported channels in sysfs"
dt-bindings: pwm: renesas-tpu: Document r8a7744 support
dt-bindings: pwm: rcar: Add r8a7744 support
dt-bindings: pwm: renesas: tpu: Document R8A779{7|8}0 bindings
dt-bindings: pwm: renesas: pwm-rcar: Document R8A779{7|8}0 bindings
dt-bindings: pwm: renesas: tpu: Fix "compatible" prop description
pwm: Use SPDX identifier for Renesas drivers
pwm: lpss: Add get_state callback
pwm: lpss: Release runtime-pm reference from the driver's remove callback
pwm: lpss: Check PWM powerstate after resume on Cherry Trail devices
pwm: lpss: Move struct pwm_lpss_chip definition to the header file
pwm: lpss: Add ACPI HID for second PWM controller on Cherry Trail devices
ACPI / PM: Export acpi_device_get_power() for use by modular build drivers
pwm: tegra: Remove gratuituous blank line
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||
|
David Hildenbrand
|
8df1d0e4a2 |
mm/memory_hotplug: make add_memory() take the device_hotplug_lock
add_memory() currently does not take the device_hotplug_lock, however
is aleady called under the lock from
arch/powerpc/platforms/pseries/hotplug-memory.c
drivers/acpi/acpi_memhotplug.c
to synchronize against CPU hot-remove and similar.
In general, we should hold the device_hotplug_lock when adding memory to
synchronize against online/offline request (e.g. from user space) - which
already resulted in lock inversions due to device_lock() and
mem_hotplug_lock - see
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||
|
David Hildenbrand
|
d15e59260f |
mm/memory_hotplug: make remove_memory() take the device_hotplug_lock
Patch series "mm: online/offline_pages called w.o. mem_hotplug_lock", v3. Reading through the code and studying how mem_hotplug_lock is to be used, I noticed that there are two places where we can end up calling device_online()/device_offline() - online_pages()/offline_pages() without the mem_hotplug_lock. And there are other places where we call device_online()/device_offline() without the device_hotplug_lock. While e.g. echo "online" > /sys/devices/system/memory/memory9/state is fine, e.g. echo 1 > /sys/devices/system/memory/memory9/online Will not take the mem_hotplug_lock. However the device_lock() and device_hotplug_lock. E.g. via memory_probe_store(), we can end up calling add_memory()->online_pages() without the device_hotplug_lock. So we can have concurrent callers in online_pages(). We e.g. touch in online_pages() basically unprotected zone->present_pages then. Looks like there is a longer history to that (see Patch #2 for details), and fixing it to work the way it was intended is not really possible. We would e.g. have to take the mem_hotplug_lock in device/base/core.c, which sounds wrong. Summary: We had a lock inversion on mem_hotplug_lock and device_lock(). More details can be found in patch 3 and patch 6. I propose the general rules (documentation added in patch 6): 1. add_memory/add_memory_resource() must only be called with device_hotplug_lock. 2. remove_memory() must only be called with device_hotplug_lock. This is already documented and holds for all callers. 3. device_online()/device_offline() must only be called with device_hotplug_lock. This is already documented and true for now in core code. Other callers (related to memory hotplug) have to be fixed up. 4. mem_hotplug_lock is taken inside of add_memory/remove_memory/ online_pages/offline_pages. To me, this looks way cleaner than what we have right now (and easier to verify). And looking at the documentation of remove_memory, using lock_device_hotplug also for add_memory() feels natural. This patch (of 6): remove_memory() is exported right now but requires the device_hotplug_lock, which is not exported. So let's provide a variant that takes the lock and only export that one. The lock is already held in arch/powerpc/platforms/pseries/hotplug-memory.c drivers/acpi/acpi_memhotplug.c arch/powerpc/platforms/powernv/memtrace.c Apart from that, there are not other users in the tree. Link: http://lkml.kernel.org/r/20180925091457.28651-2-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Pavel Tatashin <pavel.tatashin@microsoft.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Rashmica Gupta <rashmica.g@gmail.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Len Brown <lenb@kernel.org> Cc: Rashmica Gupta <rashmica.g@gmail.com> Cc: Michael Neuling <mikey@neuling.org> Cc: Balbir Singh <bsingharora@gmail.com> Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com> Cc: John Allen <jallen@linux.vnet.ibm.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: YASUAKI ISHIMATSU <yasu.isimatu@gmail.com> Cc: Mathieu Malaterre <malat@debian.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Juergen Gross <jgross@suse.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Mike Rapoport
|
57c8a661d9 |
mm: remove include/linux/bootmem.h
Move remaining definitions and declarations from include/linux/bootmem.h into include/linux/memblock.h and remove the redundant header. The includes were replaced with the semantic patch below and then semi-automated removal of duplicated '#include <linux/memblock.h> @@ @@ - #include <linux/bootmem.h> + #include <linux/memblock.h> [sfr@canb.auug.org.au: dma-direct: fix up for the removal of linux/bootmem.h] Link: http://lkml.kernel.org/r/20181002185342.133d1680@canb.auug.org.au [sfr@canb.auug.org.au: powerpc: fix up for removal of linux/bootmem.h] Link: http://lkml.kernel.org/r/20181005161406.73ef8727@canb.auug.org.au [sfr@canb.auug.org.au: x86/kaslr, ACPI/NUMA: fix for linux/bootmem.h removal] Link: http://lkml.kernel.org/r/20181008190341.5e396491@canb.auug.org.au Link: http://lkml.kernel.org/r/1536927045-23536-30-git-send-email-rppt@linux.vnet.ibm.com Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Ingo Molnar <mingo@redhat.com> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ley Foon Tan <lftan@altera.com> Cc: Mark Salter <msalter@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Paul Burton <paul.burton@mips.com> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Serge Semin <fancer.lancer@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Hans de Goede
|
6a9b593d4b |
ACPI / PMIC: xpower: Add depends on IOSF_MBI to Kconfig entry
This is necessary to avoid compilation issues on non x86 systems (where the asm/iosf_mbi.h header is not available) and on x86 systems in case IOSF_MBI support is not enabled there. Note that the AXP288 PMIC is connected through the LPSS i2c controller, so either we have IOSF_MBI support selected through the X86_INTEL_LPSS option, or we have a kernel where the OpRegion will never work anyways. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Hans de Goede
|
3c670dba86 |
ACPI / PMIC: xpower: Block P-Unit I2C access during read-modify-write
intel_xpower_pmic_update_power() does a read-modify-write of the output control register. The i2c-designware code blocks the P-Unit I2C access during the read and write by taking the P-Unit's PMIC bus semaphore. But between the read and the write that semaphore is released and the P-Unit could make changes to the register which we then end up overwriting. This commit makes intel_xpower_pmic_update_power() take the semaphore itself so that it is held over the entire read-modify-write, avoiding this race. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Linus Torvalds
|
bd6bf7c104 |
pci-v4.20-changes
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R. Silva) - Remove unused Switchtec quirk variable (Joshua Abraham) - Fix pci.c kernel-doc warning (Randy Dunlap) - Remove trivial PCI wrappers for DMA APIs (Christoph Hellwig) - Add Intel GPU device IDs to spurious interrupt quirk (Bin Meng) - Run Switchtec DMA aliasing quirk only on NTB endpoints to avoid useless dmesg errors (Logan Gunthorpe) - Update Switchtec NTB documentation (Wesley Yung) - Remove redundant "default n" from Kconfig (Bartlomiej Zolnierkiewicz) - Avoid panic when drivers enable MSI/MSI-X twice (Tonghao Zhang) - Add PCI support for peer-to-peer DMA (Logan Gunthorpe) - Add sysfs group for PCI peer-to-peer memory statistics (Logan Gunthorpe) - Add PCI peer-to-peer DMA scatterlist mapping interface (Logan Gunthorpe) - Add PCI configfs/sysfs helpers for use by peer-to-peer users (Logan Gunthorpe) - Add PCI peer-to-peer DMA driver writer's documentation (Logan Gunthorpe) - Add block layer flag to indicate driver support for PCI peer-to-peer DMA (Logan Gunthorpe) - Map Infiniband scatterlists for peer-to-peer DMA if they contain P2P memory (Logan Gunthorpe) - Register nvme-pci CMB buffer as PCI peer-to-peer memory (Logan Gunthorpe) - Add nvme-pci support for PCI peer-to-peer memory in requests (Logan Gunthorpe) - Use PCI peer-to-peer memory in nvme (Stephen Bates, Steve Wise, Christoph Hellwig, Logan Gunthorpe) - Cache VF config space size to optimize enumeration of many VFs (KarimAllah Ahmed) - Remove unnecessary <linux/pci-ats.h> include (Bjorn Helgaas) - Fix VMD AERSID quirk Device ID matching (Jon Derrick) - Fix Cadence PHY handling during probe (Alan Douglas) - Signal Cadence Endpoint interrupts via AXI region 0 instead of last region (Alan Douglas) - Write Cadence Endpoint MSI interrupts with 32 bits of data (Alan Douglas) - Remove redundant controller tests for "device_type == pci" (Rob Herring) - Document R-Car E3 (R8A77990) bindings (Tho Vu) - Add device tree support for R-Car r8a7744 (Biju Das) - Drop unused mvebu PCIe capability code (Thomas Petazzoni) - Add shared PCI bridge emulation code (Thomas Petazzoni) - Convert mvebu to use shared PCI bridge emulation (Thomas Petazzoni) - Add aardvark Root Port emulation (Thomas Petazzoni) - Support 100MHz/200MHz refclocks for i.MX6 (Lucas Stach) - Add initial power management for i.MX7 (Leonard Crestez) - Add PME_Turn_Off support for i.MX7 (Leonard Crestez) - Fix qcom runtime power management error handling (Bjorn Andersson) - Update TI dra7xx unaligned access errata workaround for host mode as well as endpoint mode (Vignesh R) - Fix kirin section mismatch warning (Nathan Chancellor) - Remove iproc PAXC slot check to allow VF support (Jitendra Bhivare) - Quirk Keystone K2G to limit MRRS to 256 (Kishon Vijay Abraham I) - Update Keystone to use MRRS quirk for host bridge instead of open coding (Kishon Vijay Abraham I) - Refactor Keystone link establishment (Kishon Vijay Abraham I) - Simplify and speed up Keystone link training (Kishon Vijay Abraham I) - Remove unused Keystone host_init argument (Kishon Vijay Abraham I) - Merge Keystone driver files into one (Kishon Vijay Abraham I) - Remove redundant Keystone platform_set_drvdata() (Kishon Vijay Abraham I) - Rename Keystone functions for uniformity (Kishon Vijay Abraham I) - Add Keystone device control module DT binding (Kishon Vijay Abraham I) - Use SYSCON API to get Keystone control module device IDs (Kishon Vijay Abraham I) - Clean up Keystone PHY handling (Kishon Vijay Abraham I) - Use runtime PM APIs to enable Keystone clock (Kishon Vijay Abraham I) - Clean up Keystone config space access checks (Kishon Vijay Abraham I) - Get Keystone outbound window count from DT (Kishon Vijay Abraham I) - Clean up Keystone outbound window configuration (Kishon Vijay Abraham I) - Clean up Keystone DBI setup (Kishon Vijay Abraham I) - Clean up Keystone ks_pcie_link_up() (Kishon Vijay Abraham I) - Fix Keystone IRQ status checking (Kishon Vijay Abraham I) - Add debug messages for all Keystone errors (Kishon Vijay Abraham I) - Clean up Keystone includes and macros (Kishon Vijay Abraham I) - Fix Mediatek unchecked return value from devm_pci_remap_iospace() (Gustavo A. R. Silva) - Fix Mediatek endpoint/port matching logic (Honghui Zhang) - Change Mediatek Root Port Class Code to PCI_CLASS_BRIDGE_PCI (Honghui Zhang) - Remove redundant Mediatek PM domain check (Honghui Zhang) - Convert Mediatek to pci_host_probe() (Honghui Zhang) - Fix Mediatek MSI enablement (Honghui Zhang) - Add Mediatek system PM support for MT2712 and MT7622 (Honghui Zhang) - Add Mediatek loadable module support (Honghui Zhang) - Detach VMD resources after stopping root bus to prevent orphan resources (Jon Derrick) - Convert pcitest build process to that used by other tools (iio, perf, etc) (Gustavo Pimentel) * tag 'pci-v4.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (140 commits) PCI/AER: Refactor error injection fallbacks PCI/AER: Abstract AER interrupt handling PCI/AER: Reuse existing pcie_port_find_device() interface PCI/AER: Use managed resource allocations PCI: pcie: Remove redundant 'default n' from Kconfig PCI: aardvark: Implement emulated root PCI bridge config space PCI: mvebu: Convert to PCI emulated bridge config space PCI: mvebu: Drop unused PCI express capability code PCI: Introduce PCI bridge emulated config space common logic PCI: vmd: Detach resources after stopping root bus nvmet: Optionally use PCI P2P memory nvmet: Introduce helper functions to allocate and free request SGLs nvme-pci: Add support for P2P memory in requests nvme-pci: Use PCI p2pmem subsystem to manage the CMB IB/core: Ensure we map P2P memory correctly in rdma_rw_ctx_[init|destroy]() block: Add PCI P2P flag for request queue PCI/P2PDMA: Add P2P DMA driver writer's documentation docs-rst: Add a new directory for PCI documentation PCI/P2PDMA: Introduce configfs/sysfs enable attribute helpers PCI/P2PDMA: Add PCI p2pmem DMA mappings to adjust the bus offset ... |
||
|
Linus Torvalds
|
36168d7123 |
- amd64_edac: AMD family 0x17, models 0x10-0x2f support (Michael Jin)
Hygon Dhyana support (Pu Wen)
- sb_edac: New maintainer + fixes (Tony Luck)
Error reporting improvements and fixes (Qiuxu Zhuo)
- ghes_edac: SMBIOS handle type 17 for DIMM locating and per-DIMM error
accounting (Fan Wu)
- altera_edac: Stratix10 support and refactoring (Thor Thayer)
Out of tree addition:
- acpi_adxl: Address Translation interface using an ACPI DSM (Tony Luck)
- the usual amount of other misc fixes and cleanups all over.
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Merge tag 'edac_for_4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
"The EDAC tree was busier than usual this cycle as the shortlog below
shows.
Also, this pull request is carrying an ACPI DSM driver which is used
to ask the platform to supply the DIMM location of a reported hardware
error and thus simplify all the EDAC logic when trying to map the
error address to the respective DIMM.
Core EDAC updates:
- amd64_edac: AMD family 0x17, models 0x10-0x2f support (Michael Jin)
Hygon Dhyana support (Pu Wen)
- sb_edac: New maintainer + fixes (Tony Luck) Error reporting
improvements and fixes (Qiuxu Zhuo)
- ghes_edac: SMBIOS handle type 17 for DIMM locating and per-DIMM
error accounting (Fan Wu)
- altera_edac: Stratix10 support and refactoring (Thor Thayer)
Out of tree addition:
- acpi_adxl: Address Translation interface using an ACPI DSM (Tony
Luck)
- the usual amount of other misc fixes and cleanups all over"
* tag 'edac_for_4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (22 commits)
ACPI/ADXL: Add address translation interface using an ACPI DSM
EDAC, thunderx: Fix memory leak in thunderx_l2c_threaded_isr()
EDAC, skx_edac: Fix logical channel intermediate decoding
EDAC, {i7core,sb,skx}_edac: Fix uncorrected error counting
EDAC, altera: Work around int-to-pointer-cast warnings
EDAC, amd64: Add Hygon Dhyana support
EDAC: Raise the maximum number of memory controllers
arm64: dts: stratix10: Add peripheral EDAC nodes
EDAC, altera: Add Stratix10 peripheral support
EDAC, altera: Merge Stratix10 into the Arria10 SDRAM probe routine
arm64: dts: stratix10: Add SDRAM node
EDAC, altera: Combine Stratix10 and Arria10 probe functions
arm64: dts: stratix10: Additions to EDAC System Manager
EDAC, i7core: Remove set but not used variable pvt
EDAC, ghes: Use CPER module handles to locate DIMMs
EDAC: Correct DIMM capacity unit symbol
EDAC, sb_edac: Fix signedness bugs in *_get_ha() functions
EDAC, sb_edac: Fix reporting for patrol scrubber errors
EDAC, sb_edac: Return early on ADDRV bit and address type test
MAINTAINERS: Update maintainer for drivers/edac/sb_edac.c
...
|
||
|
Linus Torvalds
|
6078e07dcf |
libnvdimm for 4.20
* Improve the efficiency and performance of reading nvdimm-namespace labels. Reduce the amount of label data read at driver load time by a few orders of magnitude. Reduce heavyweight call-outs to platform-firmware routines. * Handle media errors located in the 'struct page' array stored on a persistent memory namespace. Let the kernel clear these errors rather than an awkward userspace workaround. * Fix Address Range Scrub (ARS) completion tracking. Correct occasions where the kernel indicates completion of ARS before submission. * Fix asynchronous device registration reference counting. * Add support for reporting an nvdimm dirty-shutdown-count via sysfs. * Fix various small libnvdimm core and uapi issues. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJb0NuwAAoJEB7SkWpmfYgCjUYP/1RK35zXBJSArGE3CUkap/zp exuqUzhisiE3RER13hNvC59AxXB9QuIbzuR5bzWm+Lawuuaozn3iL2oKn3Gy0inl yE3m/1Hx43FTkYdH86K9bpaXtRfymppJiR475jRFin17xWL3UP2JJgYtGwoRfO4p OL1aLcGo04Y1E2h6sVx97DjiwWN5uTaG9jCciZr2w+s5pg1seuEOJcAayp+6D0Tq i2hZvQ6nyxxF2WzGqRk3ABbRySpQ5o4b33I/jjOKEFwYoB8UiZQeLuL2WRr1ztfz jo+aalLJjZTOMgeWPIYSuV+U8vySVUwXpMhfrMGnIRm5BuE9JUlHrYkMLcLZJyei 2qgQ65mDmoViBVx0w5k2nUjP8Ju5lC7fZTaLU60vf+3FZvBbSTtmog2+P0xMLg17 AHebl9slzJPO4r/z4XY+n9Bk/qOz6sfWk07LugfNcMdeZriJKr7BUclZVZDYiPJA /Rtnd8XRu8hS5Kfj7wK2QD5sVklS5VQhho/zzBZHQcQkQBfRo6f6YQ83N/6yoTKD p6nel3uRMX2n8+EPyODYt9j0cF7JupWqlSpRKUORrdSz85gt4D6W578tkJCEOCm0 JOm5HdLlwIhlIcam/w0blLOr+a0sISS4cWR72Vc/lSZHoM8ouQiQC/lplpiAAWwI 7pSmlYEEbZRQCy6ZrlVy =0FtE -----END PGP SIGNATURE----- Merge tag 'libnvdimm-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm updates from Dan Williams: - Improve the efficiency and performance of reading nvdimm-namespace labels. Reduce the amount of label data read at driver load time by a few orders of magnitude. Reduce heavyweight call-outs to platform-firmware routines. - Handle media errors located in the 'struct page' array stored on a persistent memory namespace. Let the kernel clear these errors rather than an awkward userspace workaround. - Fix Address Range Scrub (ARS) completion tracking. Correct occasions where the kernel indicates completion of ARS before submission. - Fix asynchronous device registration reference counting. - Add support for reporting an nvdimm dirty-shutdown-count via sysfs. - Fix various small libnvdimm core and uapi issues. * tag 'libnvdimm-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (21 commits) acpi, nfit: Further restrict userspace ARS start requests acpi, nfit: Fix Address Range Scrub completion tracking UAPI: ndctl: Remove use of PAGE_SIZE UAPI: ndctl: Fix g++-unsupported initialisation in headers tools/testing/nvdimm: Populate dirty shutdown data acpi, nfit: Collect shutdown status acpi, nfit: Introduce nfit_mem flags libnvdimm, label: Fix sparse warning nvdimm: Use namespace index data to reduce number of label reads needed nvdimm: Split label init out from the logic for getting config data nvdimm: Remove empty if statement nvdimm: Clarify comment in sizeof_namespace_index nvdimm: Sanity check labeloff libnvdimm, dimm: Maximize label transfer size libnvdimm, pmem: Fix badblocks population for 'raw' namespaces libnvdimm, namespace: Drop the repeat assignment for variable dev->parent libnvdimm, region: Fail badblocks listing for inactive regions libnvdimm, pfn: during init, clear errors in the metadata area libnvdimm: Set device node in nd_device_register libnvdimm: Hold reference on parent while scheduling async init ... |
||
|
Linus Torvalds
|
fec98069fb |
Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Ingo Molnar:
"The main changes in this cycle were:
- Add support for the "Dhyana" x86 CPUs by Hygon: these are licensed
based on the AMD Zen architecture, and are built and sold in China,
for domestic datacenter use. The code is pretty close to AMD
support, mostly with a few quirks and enumeration differences. (Pu
Wen)
- Enable CPUID support on Cyrix 6x86/6x86L processors"
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tools/cpupower: Add Hygon Dhyana support
cpufreq: Add Hygon Dhyana support
ACPI: Add Hygon Dhyana support
x86/xen: Add Hygon Dhyana support to Xen
x86/kvm: Add Hygon Dhyana support to KVM
x86/mce: Add Hygon Dhyana support to the MCA infrastructure
x86/bugs: Add Hygon Dhyana to the respective mitigation machinery
x86/apic: Add Hygon Dhyana support
x86/pci, x86/amd_nb: Add Hygon Dhyana support to PCI and northbridge
x86/amd_nb: Check vendor in AMD-only functions
x86/alternative: Init ideal_nops for Hygon Dhyana
x86/events: Add Hygon Dhyana support to PMU infrastructure
x86/smpboot: Do not use BSP INIT delay and MWAIT to idle on Dhyana
x86/cpu/mtrr: Support TOP_MEM2 and get MTRR number
x86/cpu: Get cache info and setup cache cpumap for Hygon Dhyana
x86/cpu: Create Hygon Dhyana architecture support file
x86/CPU: Change query logic so CPUID is enabled before testing
x86/CPU: Use correct macros for Cyrix calls
|
||
|
Linus Torvalds
|
c05f3642f4 |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"The main updates in this cycle were:
- Lots of perf tooling changes too voluminous to list (big perf trace
and perf stat improvements, lots of libtraceevent reorganization,
etc.), so I'll list the authors and refer to the changelog for
details:
Benjamin Peterson, Jérémie Galarneau, Kim Phillips, Peter
Zijlstra, Ravi Bangoria, Sangwon Hong, Sean V Kelley, Steven
Rostedt, Thomas Gleixner, Ding Xiang, Eduardo Habkost, Thomas
Richter, Andi Kleen, Sanskriti Sharma, Adrian Hunter, Tzvetomir
Stoyanov, Arnaldo Carvalho de Melo, Jiri Olsa.
... with the bulk of the changes written by Jiri Olsa, Tzvetomir
Stoyanov and Arnaldo Carvalho de Melo.
- Continued intel_rdt work with a focus on playing well with perf
events. This also imported some non-perf RDT work due to
dependencies. (Reinette Chatre)
- Implement counter freezing for Arch Perfmon v4 (Skylake and newer).
This allows to speed up the PMI handler by avoiding unnecessary MSR
writes and make it more accurate. (Andi Kleen)
- kprobes cleanups and simplification (Masami Hiramatsu)
- Intel Goldmont PMU updates (Kan Liang)
- ... plus misc other fixes and updates"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (155 commits)
kprobes/x86: Use preempt_enable() in optimized_callback()
x86/intel_rdt: Prevent pseudo-locking from using stale pointers
kprobes, x86/ptrace.h: Make regs_get_kernel_stack_nth() not fault on bad stack
perf/x86/intel: Export mem events only if there's PEBS support
x86/cpu: Drop pointless static qualifier in punit_dev_state_show()
x86/intel_rdt: Fix initial allocation to consider CDP
x86/intel_rdt: CBM overlap should also check for overlap with CDP peer
x86/intel_rdt: Introduce utility to obtain CDP peer
tools lib traceevent, perf tools: Move struct tep_handler definition in a local header file
tools lib traceevent: Separate out tep_strerror() for strerror_r() issues
perf python: More portable way to make CFLAGS work with clang
perf python: Make clang_has_option() work on Python 3
perf tools: Free temporary 'sys' string in read_event_files()
perf tools: Avoid double free in read_event_file()
perf tools: Free 'printk' string in parse_ftrace_printk()
perf tools: Cleanup trace-event-info 'tdata' leak
perf strbuf: Match va_{add,copy} with va_end
perf test: S390 does not support watchpoints in test 22
perf auxtrace: Include missing asm/bitsperlong.h to get BITS_PER_LONG
tools include: Adopt linux/bits.h
...
|
||
|
Linus Torvalds
|
58a0228707 |
ACPI updates for 4.20-rc1
- Fix ACPICA issues related to the handling of module-level AML
and make the ACPI initialization code parse ECDT before loading
the definition block tables (Erik Schmauss).
- Update ACPICA to upstream revision 20181003 including fixes
related to the ill-defined "generic serial bus" and the handling
of the _REG object (Bob Moore).
- Fix some issues with system-wide suspend/resume on Intel BYT/CHT
related to the handling of I2C controllers in the ACPI LPSS driver
for Intel SoCs (Hans de Goede).
- Modify the ACPI namespace scanning code to enumerate INT33FE HID
devices as platform devices with I2C resources to avoid device
enumeration problems on boards with Dollar Cove or Whiskey Cove
Intel PMICs (Hans de Goede).
- Prevent ACPICA from using ktime_get() during early resume from
system-wide suspend before resuming the timekeeping which generally
is unsafe and triggers a warning from the timekeeping code (Bart
Van Assche).
- Add low-level real time clock support to the ACPI Time and Aalarm
Device (TAD) driver (Rafael Wysocki).
- Fix the ACPI SBS driver to avoid GPE storms on MacBook Pro and
Oopses when removing modules (Ronald Tschalär).
- Fix the ACPI PPTT parsing code to handle architecturally unknown
cache types properly (Jeffrey Hugo).
- Fix initialization issue in the ACPI processor driver (Dou Liyang).
- Clean up the code in several places (Andy Shevchenko, Bartlomiej
Zolnierkiewicz, David Arcari, zhong jiang).
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Merge tag 'acpi-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These fix ACPICA issues related to the handling of module-level AML,
fix an ordering issue during ACPI initialization, update ACPICA to
upstream revision 20181003 (including fixes mostly), fix issues with
system-wide suspend/resume related to the ACPI driver for Intel SoCs
(LPSS), fix device enumeration issues on boards with Dollar Cove or
Whiskey Cove Intel PMICs, prevent ACPICA from calling ktime_get() in
unsuitable conditions, update a few drivers and clean up some code in
several places.
Specifics:
- Fix ACPICA issues related to the handling of module-level AML and
make the ACPI initialization code parse ECDT before loading the
definition block tables (Erik Schmauss).
- Update ACPICA to upstream revision 20181003 including fixes related
to the ill-defined "generic serial bus" and the handling of the
_REG object (Bob Moore).
- Fix some issues with system-wide suspend/resume on Intel BYT/CHT
related to the handling of I2C controllers in the ACPI LPSS driver
for Intel SoCs (Hans de Goede).
- Modify the ACPI namespace scanning code to enumerate INT33FE HID
devices as platform devices with I2C resources to avoid device
enumeration problems on boards with Dollar Cove or Whiskey Cove
Intel PMICs (Hans de Goede).
- Prevent ACPICA from using ktime_get() during early resume from
system-wide suspend before resuming the timekeeping which generally
is unsafe and triggers a warning from the timekeeping code (Bart
Van Assche).
- Add low-level real time clock support to the ACPI Time and Aalarm
Device (TAD) driver (Rafael Wysocki).
- Fix the ACPI SBS driver to avoid GPE storms on MacBook Pro and
Oopses when removing modules (Ronald Tschalär).
- Fix the ACPI PPTT parsing code to handle architecturally unknown
cache types properly (Jeffrey Hugo).
- Fix initialization issue in the ACPI processor driver (Dou Liyang).
- Clean up the code in several places (Andy Shevchenko, Bartlomiej
Zolnierkiewicz, David Arcari, zhong jiang)"
* tag 'acpi-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (33 commits)
ACPI / scan: Create platform device for INT33FE ACPI nodes
ACPI / OSL: Use 'jiffies' as the time bassis for acpi_os_get_timer()
ACPI: probe ECDT before loading AML tables regardless of module-level code flag
ACPICA: Remove acpi_gbl_group_module_level_code and only use acpi_gbl_execute_tables_as_methods instead
ACPICA: AML Parser: fix parse loop to correctly skip erroneous extended opcodes
ACPICA: AML interpreter: add region addresses in global list during initialization
ACPI: TAD: Add low-level support for real time capability
ACPI: remove redundant 'default n' from Kconfig
ACPI / SBS: Fix rare oops when removing modules
ACPI / SBS: Fix GPE storm on recent MacBookPro's
ACPI/PPTT: Handle architecturally unknown cache types
drivers: base: cacheinfo: Do not populate sysfs for unknown cache types
ACPICA: Update version to 20181003
ACPICA: Never run _REG on system_memory and system_IO
ACPICA: Split large interpreter file
ACPICA: Update for field unit access
ACPICA: Rename some of the Field Attribute defines
ACPICA: Update for generic_serial_bus and attrib_raw_process_bytes protocol
ACPI / processor: Fix the return value of acpi_processor_ids_walk()
ACPI / LPSS: Resume BYT/CHT I2C controllers from resume_noirq
...
|
||
|
Linus Torvalds
|
12dd08fa95 |
Power management updates for 4.20-rc1
- Backport hibernation bug fixes from x86-64 to x86-32 and
consolidate hibernation handling on x86 to allow 32-bit
systems to work in all of the cases in which 64-bit ones
work (Zhimin Gu, Chen Yu).
- Fix hibernation documentation (Vladimir D. Seleznev).
- Update the menu cpuidle governor to fix a couple of issues
with it, make it more efficient in some cases and clean it
up (Rafael Wysocki).
- Rework the cpuidle polling state implementation to make it
more efficient (Rafael Wysocki).
- Clean up the cpuidle core somewhat (Fieah Lim).
- Fix the cpufreq conservative governor to take policy limits
into account properly in some cases (Rafael Wysocki).
- Add support for retrieving guaranteed performance information
to the ACPI CPPC library and make the intel_pstate driver use
it to expose the CPU base frequency via sysfs on systems with
the hardware-managed P-states (HWP) feature enabled (Srinivas
Pandruvada).
- Fix clang warning in the CPPC cpufreq driver (Nathan Chancellor).
- Get rid of device_node.name printing from cpufreq (Rob Herring).
- Remove unnecessary unlikely() from the cpufreq core (Igor Stoppa).
- Add support for the r8a7744 SoC to the cpufreq-dt driver (Biju Das).
- Update the dt-platdev cpufreq driver to allow RK3399 to have
separate tunables per cluster (Dmitry Torokhov).
- Fix the dma_alloc_coherent() usage in the tegra186 cpufreq driver
(Christoph Hellwig).
- Make the imx6q cpufreq driver read OCOTP through nvmem for
imx6ul/imx6ull (Anson Huang).
- Fix several bugs in the operating performance points (OPP)
framework and make it more stable (Viresh Kumar, Dave Gerlach).
- Update the devfreq subsystem to take changes in the APIs used
by into account, fix some issues with it and make it stop
print device_node.name directly (Bjorn Andersson, Enric Balletbo
i Serra, Matthias Kaehlcke, Rob Herring, Vincent Donnefort, zhong
jiang).
- Prepare the generic power domains (genpd) framework for dealing
with domains containing CPUs (Ulf Hansson).
- Prevent sysfs attributes representing low-power S0 residency
counters from being exposed if low-power S0 support is not
indicated in ACPI FADT (Rajneesh Bhardwaj).
- Get rid of custom CPU features macros for Intel CPUs from the
intel_idle and RAPL drivers (Andy Shevchenko).
- Update the tasks freezer to list tasks that refused to freeze
and caused a system transition to a sleep state to be aborted
(Todd Brandt).
- Update the pm-graph set of tools to v5.2 (Todd Brandt).
- Fix some issues in the cpupower utility (Anders Roxell, Prarit
Bhargava).
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Merge tag 'pm-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These make hibernation on 32-bit x86 systems work in all of the cases
in which it works on 64-bit x86 ones, update the menu cpuidle governor
and the "polling" state to make them more efficient, add more hardware
support to cpufreq drivers and fix issues with some of them, fix a bug
in the conservative cpufreq governor, fix the operating performance
points (OPP) framework and make it more stable, update the devfreq
subsystem to take changes in the APIs used by into account and clean
up some things all over.
Specifics:
- Backport hibernation bug fixes from x86-64 to x86-32 and
consolidate hibernation handling on x86 to allow 32-bit systems to
work in all of the cases in which 64-bit ones work (Zhimin Gu, Chen
Yu).
- Fix hibernation documentation (Vladimir D. Seleznev).
- Update the menu cpuidle governor to fix a couple of issues with it,
make it more efficient in some cases and clean it up (Rafael
Wysocki).
- Rework the cpuidle polling state implementation to make it more
efficient (Rafael Wysocki).
- Clean up the cpuidle core somewhat (Fieah Lim).
- Fix the cpufreq conservative governor to take policy limits into
account properly in some cases (Rafael Wysocki).
- Add support for retrieving guaranteed performance information to
the ACPI CPPC library and make the intel_pstate driver use it to
expose the CPU base frequency via sysfs on systems with the
hardware-managed P-states (HWP) feature enabled (Srinivas
Pandruvada).
- Fix clang warning in the CPPC cpufreq driver (Nathan Chancellor).
- Get rid of device_node.name printing from cpufreq (Rob Herring).
- Remove unnecessary unlikely() from the cpufreq core (Igor Stoppa).
- Add support for the r8a7744 SoC to the cpufreq-dt driver (Biju
Das).
- Update the dt-platdev cpufreq driver to allow RK3399 to have
separate tunables per cluster (Dmitry Torokhov).
- Fix the dma_alloc_coherent() usage in the tegra186 cpufreq driver
(Christoph Hellwig).
- Make the imx6q cpufreq driver read OCOTP through nvmem for
imx6ul/imx6ull (Anson Huang).
- Fix several bugs in the operating performance points (OPP)
framework and make it more stable (Viresh Kumar, Dave Gerlach).
- Update the devfreq subsystem to take changes in the APIs used by
into account, fix some issues with it and make it stop print
device_node.name directly (Bjorn Andersson, Enric Balletbo i Serra,
Matthias Kaehlcke, Rob Herring, Vincent Donnefort, zhong jiang).
- Prepare the generic power domains (genpd) framework for dealing
with domains containing CPUs (Ulf Hansson).
- Prevent sysfs attributes representing low-power S0 residency
counters from being exposed if low-power S0 support is not
indicated in ACPI FADT (Rajneesh Bhardwaj).
- Get rid of custom CPU features macros for Intel CPUs from the
intel_idle and RAPL drivers (Andy Shevchenko).
- Update the tasks freezer to list tasks that refused to freeze and
caused a system transition to a sleep state to be aborted (Todd
Brandt).
- Update the pm-graph set of tools to v5.2 (Todd Brandt).
- Fix some issues in the cpupower utility (Anders Roxell, Prarit
Bhargava)"
* tag 'pm-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (73 commits)
PM / Domains: Document flags for genpd
PM / Domains: Deal with multiple states but no governor in genpd
PM / Domains: Don't treat zero found compatible idle states as an error
cpuidle: menu: Avoid computations when result will be discarded
cpuidle: menu: Drop redundant comparison
cpufreq: tegra186: don't pass GFP_DMA32 to dma_alloc_coherent()
cpufreq: conservative: Take limits changes into account properly
Documentation: intel_pstate: Add base_frequency information
cpufreq: intel_pstate: Add base_frequency attribute
ACPI / CPPC: Add support for guaranteed performance
cpuidle: menu: Simplify checks related to the polling state
PM / tools: sleepgraph and bootgraph: upgrade to v5.2
PM / tools: sleepgraph: first batch of v5.2 changes
cpupower: Fix coredump on VMWare
cpupower: Fix AMD Family 0x17 msr_pstate size
cpufreq: imx6q: read OCOTP through nvmem for imx6ul/imx6ull
cpufreq: dt-platdev: allow RK3399 to have separate tunables per cluster
cpuidle: poll_state: Revise loop termination condition
cpuidle: menu: Move the latency_req == 0 special case check
cpuidle: menu: Avoid computations for very close timers
...
|
||
|
Linus Torvalds
|
c403993a41 |
Lots of small changes to the IPMI driver. Most of the changes
are logging cleanup and style fixes. There are a few smaller bug fixes. -corey -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJbzj7MAAoJEGHzjJCRm/+B26wP/071VwhIpOabn6sxfibCIYyi sbpiaGKGGY8C2/qxhiAOkdpn9GuPFT2xgUkp6OXDHBCsFb4V4360ghfj6XbNpkYH LUOTqAP0hgCHr/lGHkTjlGilExvDSkt1iixnPCYNxXqHqasHjYZMLjiPaF+EgjP9 3FbY5C6145OCcU85L5VoRqnuEqHHFUDbQxjABcuuUSa0YPrjC6OPex00rQ8toZBz DvdVV4j9mb10UO0Arn0FIb5Pdt1a0ZbyRLBs/RBO9yCpEBLy/FVXtpzGTKvwVG7p E1L6UlM28xLydYfo/n8emSqw0l/CHxwpRRl4N3DPn6iYjWG2nEwt9PWh5IhlU/+k iXCiY+bV8Q0vil0eG7C/b2sAarY3OugvJEIpbcwQogPpNYzvzRRWBu/mNftjEkhk W2HPr1CojKf47ypdqC8dUcY0oT2inFSGYpvkZnLG9SZpFJ1DtZVqAA+6ZCuw/5a9 AH2t9rUA91vnM5ujTeQ5WKw+5RYpD8r5YkAwVX2m6n4xbwzMZAVgH8niSqDB04Jj DckkKEqXZy/gsEw51U6OYGiDqmMb3jXUWJ/AmcYCqBitK8Z20FqZly33X67UYSsn cgoRt3g2E2UxJIdhAWaFmN5PQxsEpogbrdjZ7U3/UpPwXsLSgG3rG6WqYKzQVJv6 vc3RUFssrEQSbYTb/laJ =ladh -----END PGP SIGNATURE----- Merge tag 'for-linus-4.20' of https://github.com/cminyard/linux-ipmi Pull IPMI updates from Corey Minyard: "Lots of small changes to the IPMI driver. Most of the changes are logging cleanup and style fixes. There are a few smaller bug fixes" * tag 'for-linus-4.20' of https://github.com/cminyard/linux-ipmi: (21 commits) ipmi: Fix timer race with module unload ipmi:ssif: Add support for multi-part transmit messages > 2 parts MAINTAINERS: Add file patterns for ipmi device tree bindings ipmi: Remove platform driver overrides and use the id_table ipmi: Free the address list on module cleanup ipmi: Don't leave holes in the I2C address list in the ssif driver ipmi: fix return value of ipmi_set_my_LUN ipmi: Convert pr_xxx() to dev_xxx() in the BT code ipmi:dmi: Ignore IPMI SMBIOS entries with a zero base address ipmi:dmi: Use pr_fmt in the IPMI DMI code ipmi: Change to ktime_get_ts64() ipmi_si: fix potential integer overflow on large shift ipmi_si_pci: fix NULL device in ipmi_si error message ipmi: Convert printk(KERN_<level> to pr_<level>( ipmi: Use more common logging styles ipmi: msghandler: Add and use pr_fmt and dev_fmt, remove PFX pci:ipmi: Move IPMI PCI class id defines to pci_ids.h ipmi: Finally get rid of ipmi_user_t and ipmi_smi_t ipmi:powernv: Convert ipmi_smi_t to struct ipmi_smi hwmon:ibm: Change ipmi_user_t to struct ipmi_user * ... |
||
|
Bjorn Helgaas
|
20634dc361 |
Merge branch 'pci/hotplug'
- Differentiate between pciehp surprise and safe removal (Lukas Wunner)
- Remove unnecessary pciehp includes (Lukas Wunner)
- Drop pciehp hotplug_slot_ops wrappers (Lukas Wunner)
- Tolerate PCIe Slot Presence Detect being hardwired to zero to
workaround broken hardware, e.g., the Wilocity switch/wireless device
(Lukas Wunner)
- Unify pciehp controller & slot structs (Lukas Wunner)
- Constify hotplug_slot_ops (Lukas Wunner)
- Drop hotplug_slot_info (Lukas Wunner)
- Embed hotplug_slot struct into users instead of allocating it
separately (Lukas Wunner)
- Initialize PCIe port service drivers directly instead of relying on
initcall ordering (Keith Busch)
- Restore PCI config state after a slot reset (Keith Busch)
- Save/restore DPC config state along with other PCI config state (Keith
Busch)
- Reference count devices during AER handling to avoid race issue with
concurrent hot removal (Keith Busch)
- If an Upstream Port reports ERR_FATAL, don't try to read the Port's
config space because it is probably unreachable (Keith Busch)
- During error handling, use slot-specific reset instead of secondary
bus reset to avoid link up/down issues on hotplug ports (Keith Busch)
- Restore previous AER/DPC handling that does not remove and re-enumerate
devices on ERR_FATAL (Keith Busch)
- Notify all drivers that may be affected by error recovery resets (Keith
Busch)
- Always generate error recovery uevents, even if a driver doesn't have
error callbacks (Keith Busch)
- Make PCIe link active reporting detection generic (Keith Busch)
- Support D3cold in PCIe hierarchies during system sleep and runtime,
including hotplug and Thunderbolt ports (Mika Westerberg)
- Handle hpmemsize/hpiosize kernel parameters uniformly, whether slots
are empty or occupied (Jon Derrick)
- Remove duplicated include from pci/pcie/err.c and unused variable from
cpqphp (YueHaibing)
- Remove driver pci_cleanup_aer_uncorrect_error_status() calls (Oza
Pawandeep)
- Uninline PCI bus accessors for better ftracing (Keith Busch)
- Remove unused AER Root Port .error_resume method (Keith Busch)
- Use kfifo in AER instead of a local version (Keith Busch)
- Use threaded IRQ in AER bottom half (Keith Busch)
- Use managed resources in AER core (Keith Busch)
- Reuse pcie_port_find_device() for AER injection (Keith Busch)
- Abstract AER interrupt handling to disconnect error injection (Keith
Busch)
- Refactor AER injection callbacks to simplify future improvments (Keith
Busch)
* pci/hotplug:
PCI/AER: Refactor error injection fallbacks
PCI/AER: Abstract AER interrupt handling
PCI/AER: Reuse existing pcie_port_find_device() interface
PCI/AER: Use managed resource allocations
PCI/AER: Use threaded IRQ for bottom half
PCI/AER: Use kfifo_in_spinlocked() to insert locked elements
PCI/AER: Use kfifo for tracking events instead of reimplementing it
PCI/AER: Remove error source from AER struct aer_rpc
PCI/AER: Remove unused aer_error_resume()
PCI: Uninline PCI bus accessors for better ftracing
PCI/AER: Remove pci_cleanup_aer_uncorrect_error_status() calls
PCI: pnv_php: Use kmemdup()
PCI: cpqphp: Remove set but not used variable 'physical_slot'
PCI/ERR: Remove duplicated include from err.c
PCI: Equalize hotplug memory and io for occupied and empty slots
PCI / ACPI: Whitelist D3 for more PCIe hotplug ports
ACPI / property: Allow multiple property compatible _DSD entries
PCI/PME: Implement runtime PM callbacks
PCI: pciehp: Implement runtime PM callbacks
PCI/portdrv: Add runtime PM hooks for port service drivers
PCI/portdrv: Resume upon exit from system suspend if left runtime suspended
PCI: pciehp: Do not handle events if interrupts are masked
PCI: pciehp: Disable hotplug interrupt during suspend
PCI / ACPI: Enable wake automatically for power managed bridges
PCI: Do not skip power-managed bridges in pci_enable_wake()
PCI: Make link active reporting detection generic
PCI: Unify device inaccessible
PCI/ERR: Always report current recovery status for udev
PCI/ERR: Simplify broadcast callouts
PCI/ERR: Run error recovery callbacks for all affected devices
PCI/ERR: Handle fatal error recovery
PCI/ERR: Use slot reset if available
PCI/AER: Don't read upstream ports below fatal errors
PCI/AER: Take reference on error devices
PCI/DPC: Save and restore config state
PCI: portdrv: Restore PCI config state on slot reset
PCI: portdrv: Initialize service drivers directly
PCI: hotplug: Document TODOs
PCI: hotplug: Embed hotplug_slot
PCI: hotplug: Drop hotplug_slot_info
PCI: hotplug: Constify hotplug_slot_ops
PCI: pciehp: Reshuffle controller struct for clarity
PCI: pciehp: Rename controller struct members for clarity
PCI: pciehp: Unify controller and slot structs
PCI: pciehp: Tolerate Presence Detect hardwired to zero
PCI: pciehp: Drop hotplug_slot_ops wrappers
PCI: pciehp: Drop unnecessary includes
PCI: pciehp: Differentiate between surprise and safe removal
PCI: Simplify disconnected marking
|
||
|
Rafael J. Wysocki
|
0a1875ad29 |
Merge branches 'acpi-property' and 'acpi-sbs'
* acpi-property: ACPI / property: Switch to bitmap_zalloc() * acpi-sbs: ACPI / SBS: Fix rare oops when removing modules ACPI / SBS: Fix GPE storm on recent MacBookPro's |
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Rafael J. Wysocki
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1f825f74c1 |
Merge branches 'acpi-soc', 'acpi-processor', 'acpi-pmic', 'acpi-cppc' and 'acpi-tad'
* acpi-soc: ACPI / LPSS: Resume BYT/CHT I2C controllers from resume_noirq ACPI / LPSS: Add a device link from the GPU to the BYT I2C5 controller ACPI / LPSS: Add a device link from the GPU to the CHT I2C7 controller ACPI / LPSS: Make acpi_lpss_find_device() also find PCI devices ACPI / LPSS: Make hid_uid_match helper accept a NULL uid argument ACPI / LPSS: Make hid_uid_match helper take an acpi_device as first argument ACPI / LPSS: Exclude I2C busses shared with PUNIT from pmc_atom_d3_mask ACPI / LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers * acpi-processor: ACPI / processor: Fix the return value of acpi_processor_ids_walk() * acpi-pmic: ACPI / PMIC: Convert drivers to use SPDX identifier ACPI / PMIC: Sort headers alphabetically * acpi-cppc: mailbox: PCC: handle parse error * acpi-tad: ACPI: TAD: Add low-level support for real time capability |
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Rafael J. Wysocki
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bd371e088b |
Merge branches 'acpi-init', 'acpi-osl', 'acpi-bus', 'acpi-tables' and 'acpi-misc'
* acpi-init: ACPI: probe ECDT before loading AML tables regardless of module-level code flag * acpi-osl: ACPI / OSL: Use 'jiffies' as the time bassis for acpi_os_get_timer() * acpi-bus: ACPI / glue: Split dev_is_platform() out of module for wide use * acpi-tables: ACPI/PPTT: Handle architecturally unknown cache types drivers: base: cacheinfo: Do not populate sysfs for unknown cache types * acpi-misc: ACPI: remove redundant 'default n' from Kconfig ACPI: custom_method: remove meaningless null check before debugfs_remove() |
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Rafael J. Wysocki
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3f858ae02c |
Merge branches 'acpi-pm' and 'pm-sleep'
* acpi-pm: ACPI / PM: LPIT: Register sysfs attributes based on FADT * pm-sleep: x86-32, hibernate: Adjust in_suspend after resumed on 32bit system x86-32, hibernate: Set up temporary text mapping for 32bit system x86-32, hibernate: Switch to relocated restore code during resume on 32bit system x86-32, hibernate: Switch to original page table after resumed x86-32, hibernate: Use the page size macro instead of constant value x86-32, hibernate: Use temp_pgt as the temporary page table x86, hibernate: Rename temp_level4_pgt to temp_pgt x86-32, hibernate: Enable CONFIG_ARCH_HIBERNATION_HEADER on 32bit system x86, hibernate: Extract the common code of 64/32 bit system x86-32/asm/power: Create stack frames in hibernate_asm_32.S PM / hibernate: Check the success of generating md5 digest before hibernation x86, hibernate: Fix nosave_regions setup for hibernation PM / sleep: Show freezing tasks that caused a suspend abort PM / hibernate: Documentation: fix image_size default value |
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Rafael J. Wysocki
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3c88a889b4 |
Merge branch 'acpica'
* acpica: ACPICA: Remove acpi_gbl_group_module_level_code and only use acpi_gbl_execute_tables_as_methods instead ACPICA: AML Parser: fix parse loop to correctly skip erroneous extended opcodes ACPICA: AML interpreter: add region addresses in global list during initialization ACPICA: Update version to 20181003 ACPICA: Never run _REG on system_memory and system_IO ACPICA: Split large interpreter file ACPICA: Update for field unit access ACPICA: Rename some of the Field Attribute defines ACPICA: Update for generic_serial_bus and attrib_raw_process_bytes protocol |
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Hans de Goede
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589edb56b4 |
ACPI / scan: Create platform device for INT33FE ACPI nodes
Bay and Cherry Trail devices with a Dollar Cove or Whiskey Cove PMIC have an ACPI node with a HID of INT33FE which is a "virtual" battery device implementing a standard ACPI battery interface which depends upon a proprietary, undocument OpRegion called BMOP. Since we do have docs for the actual fuel-gauges used on these boards we instead use native fuel-gauge drivers talking directly to the fuel-gauge ICs on boards which rely on this INT33FE device for their battery monitoring. On boards with a Dollar Cove PMIC the INT33FE device's resources (_CRS) describe a non-existing I2C client at address 0x6b with a bus-speed of 100KHz. This is a problem on some boards since there are actual devices on that same bus which need a speed of 400KHz to function properly. This commit adds the INT33FE HID to the list of devices with I2C resources which should be enumerated as a platform-device rather then letting the i2c-core instantiate an i2c-client matching the first I2C resource, so that its bus-speed will not influence the max speed of the I2C bus. This fixes e.g. the touchscreen not working on the Teclast X98 II Plus. The INT33FE device on boards with a Whiskey Cove PMIC is somewhat special. Its first I2C resource is for a secondary I2C address of the PMIC itself, which is already described in an ACPI device with an INT34D3 HID. But it has 3 more I2C resources describing 3 other chips for which we do need to instantiate I2C clients and which need device-connections added between them for things to work properly. This special case is handled by the drivers/platform/x86/intel_cht_int33fe.c code. Before this commit that code was binding to the i2c-client instantiated for the secondary I2C address of the PMIC, since we now instantiate a platform device for the INT33FE device instead, this commit also changes the intel_cht_int33fe driver from an i2c driver to a platform driver. This also brings the intel_cht_int33fe drv inline with how we instantiate multiple i2c clients from a single ACPI device in other cases, as done by the drivers/platform/x86/i2c-multi-instantiate.c code. Reported-and-tested-by: Alexander Meiler <alex.meiler@protonmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Bart Van Assche
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83b2348e27 |
ACPI / OSL: Use 'jiffies' as the time bassis for acpi_os_get_timer()
Since acpi_os_get_timer() may be called after the timer subsystem has
been suspended, use the jiffies counter instead of ktime_get(). This
patch avoids that the following warning is reported during hibernation:
WARNING: CPU: 0 PID: 612 at kernel/time/timekeeping.c:751 ktime_get+0x116/0x120
RIP: 0010:ktime_get+0x116/0x120
Call Trace:
acpi_os_get_timer+0xe/0x30
acpi_ds_exec_begin_control_op+0x175/0x1de
acpi_ds_exec_begin_op+0x2c7/0x39a
acpi_ps_create_op+0x573/0x5e4
acpi_ps_parse_loop+0x349/0x1220
acpi_ps_parse_aml+0x25b/0x6da
acpi_ps_execute_method+0x327/0x41b
acpi_ns_evaluate+0x4e9/0x6f5
acpi_ut_evaluate_object+0xd9/0x2f2
acpi_rs_get_method_data+0x8f/0x114
acpi_walk_resources+0x122/0x1b6
acpi_pci_link_get_current.isra.2+0x157/0x280
acpi_pci_link_set+0x32f/0x4a0
irqrouter_resume+0x58/0x80
syscore_resume+0x84/0x380
hibernation_snapshot+0x20c/0x4f0
hibernate+0x22d/0x3a6
state_store+0x99/0xa0
kobj_attr_store+0x37/0x50
sysfs_kf_write+0x87/0xa0
kernfs_fop_write+0x1a5/0x240
__vfs_write+0xd2/0x410
vfs_write+0x101/0x250
ksys_write+0xab/0x120
__x64_sys_write+0x43/0x50
do_syscall_64+0x71/0x220
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Fixes:
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Erik Schmauss
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d737f333b2 |
ACPI: probe ECDT before loading AML tables regardless of module-level code flag
It was discovered that AML tables were loaded before or after the ECDT depending on acpi_gbl_execute_tables_as_methods. According to the ACPI spec, the ECDT should be loaded before the namespace is populated by loading AML tables (DSDT and SSDT). Since the ECDT should be loaded early in the boot process, this change moves the ECDT probing to acpi_early_init. Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Erik Schmauss
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08930d56c7 |
ACPICA: Remove acpi_gbl_group_module_level_code and only use acpi_gbl_execute_tables_as_methods instead
acpi_gbl_group_module_level_code and acpi_gbl_execute_tables_as_methods were
used to enable different table load behavior. The different table
load behaviors are as follows:
A.) acpi_gbl_group_module_level_code enabled the legacy approach where
ASL if statements are executed after the namespace object has
been loaded.
B.) acpi_gbl_execute_tables_as_methods is currently used to enable the
table load to be a method invocation. This meaning that ASL If
statements are executed in-line rather than deferred until after
the ACPI namespace has been populated. This is the correct
behavior and option A will be removed in the future.
We do not support a table load behavior where these variables are
assigned the same value. In otherwords, we only support option A or B
and do not need acpi_gbl_group_module_level_code to enable A. From now on,
acpi_gbl_execute_tables_as_methods == 0 enables option A and
acpi_gbl_execute_tables_as_methods == 1 enables option B.
Note: option A is expected to be removed in the future and option B
will become the only supported table load behavior.
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Erik Schmauss
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c64baa3a6f |
ACPICA: AML Parser: fix parse loop to correctly skip erroneous extended opcodes
AML opcodes come in two lengths: 1-byte opcodes and 2-byte, extended opcodes. If an error occurs due to illegal opcodes during table load, the AML parser needs to continue loading the table. In order to do this, it needs to skip parsing of the offending opcode and operands associated with that opcode. This change fixes the AML parse loop to correctly skip parsing of incorrect extended opcodes. Previously, only the short opcodes were skipped correctly. Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Cc: All applicable <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Erik Schmauss
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4abb951b73 |
ACPICA: AML interpreter: add region addresses in global list during initialization
The table load process omitted adding the operation region address range to the global list. This omission is problematic because the OS queries the global list to check for address range conflicts before deciding which drivers to load. This commit may result in warning messages that look like the following: [ 7.871761] ACPI Warning: system_IO range 0x00000428-0x0000042F conflicts with op_region 0x00000400-0x0000047F (\PMIO) (20180531/utaddress-213) [ 7.871769] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver However, these messages do not signify regressions. It is a result of properly adding address ranges within the global address list. Link: https://bugzilla.kernel.org/show_bug.cgi?id=200011 Tested-by: Jean-Marc Lenoir <archlinux@jihemel.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Cc: All applicable <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Rafael J. Wysocki
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3230b2b3c1 |
ACPI: TAD: Add low-level support for real time capability
Add low-level support for the (optional) real time capability of the ACPI Time and Alarm Device (TAD) to the ACPI TAD driver. This allows the real time to be acquired or set via sysfs with the help of the _GRT and _SRT methods of the TAD, respectively. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com> |
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Dan Williams
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594861215c |
acpi, nfit: Further restrict userspace ARS start requests
In addition to not allowing ARS start while the background thread is actively running, prevent ARS start while any scrub request is pending. This aligns the window for ARS start submission with the status of ARS reported via sysfs. Previously userspace could sneak its own ARS start requests in while sysfs reported -EBUSY. Reviewed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Dan Williams
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d3abaf43ba |
acpi, nfit: Fix Address Range Scrub completion tracking
The Address Range Scrub implementation tried to skip running scrubs
against ranges that were already scrubbed by the BIOS. Unfortunately
that support also resulted in early scrub completions as evidenced by
this debug output from nfit_test:
nd_region region9: ARS: range 1 short complete
nd_region region3: ARS: range 1 short complete
nd_region region4: ARS: range 2 ARS start (0)
nd_region region4: ARS: range 2 short complete
...i.e. completions without any indications that the scrub was started.
This state of affairs was hard to see in the code due to the
proliferation of state bits and mistakenly trying to track done state
per-range when the completion is a global property of the bus.
So, kill the four ARS state bits (ARS_REQ, ARS_REQ_REDO, ARS_DONE, and
ARS_SHORT), and replace them with just 2 request flags ARS_REQ_SHORT and
ARS_REQ_LONG. The implementation will still complete and reap the
results of BIOS initiated ARS, but it will not attempt to use that
information to affect the completion status of scrubbing the ranges from
a Linux perspective.
Instead, try to synchronously run a short ARS per range at init time and
schedule a long scrub in the background. If ARS is busy with an ARS
request, schedule both a short and a long scrub for when ARS returns to
idle. This logic also satisfies the intent of what ARS_REQ_REDO was
trying to achieve. The new rule is that the REQ flag stays set until the
next successful ars_start() for that range.
With the new policy that the REQ flags are not cleared until the next
start, the implementation no longer loses requests as can be seen from
the following log:
nd_region region3: ARS: range 1 ARS start short (0)
nd_region region9: ARS: range 1 ARS start short (0)
nd_region region3: ARS: range 1 complete
nd_region region4: ARS: range 2 ARS start short (0)
nd_region region9: ARS: range 1 complete
nd_region region9: ARS: range 1 ARS start long (0)
nd_region region4: ARS: range 2 complete
nd_region region3: ARS: range 1 ARS start long (0)
nd_region region9: ARS: range 1 complete
nd_region region3: ARS: range 1 complete
nd_region region4: ARS: range 2 ARS start long (0)
nd_region region4: ARS: range 2 complete
...note that the nfit_test emulated driver provides 2 buses, that is why
some of the range indices are duplicated. Notice that each range
now successfully completes a short and long scrub.
Cc: <stable@vger.kernel.org>
Fixes:
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Dan Williams
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f110176633 |
tools/testing/nvdimm: Populate dirty shutdown data
Allow the unit tests to verify the retrieval of the dirty shutdown count via smart commands, and allow the driver-load-time retrieval of the smart health payload to be simulated by nfit_test. Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Dan Williams
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0ead11181f |
acpi, nfit: Collect shutdown status
Some NVDIMMs, in addition to providing an indication of whether the previous shutdown was clean, also provide a running count of lifetime dirty-shutdown events for the device. In anticipation of this functionality appearing on more devices arrange for the nfit driver to retrieve / cache this data at DIMM discovery time, and export it via sysfs. Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Dan Williams
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6f07f86c49 |
acpi, nfit: Introduce nfit_mem flags
In preparation for adding a flag to indicate whether a DIMM publishes a dirty-shutdown count, convert the existing flags to a bit field. Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Srinivas Pandruvada
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29523f0953 |
ACPI / CPPC: Add support for guaranteed performance
The Continuous Performance Control package may contain an optional guaranteed performance field. Add support to read guaranteed performance from _CPC. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Tony Luck
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4cf841e398 |
ACPI/ADXL: Add address translation interface using an ACPI DSM
Some new Intel servers provide an interface so that the OS can ask the BIOS to translate a system physical address to a memory address (socket, memory controller, channel, rank, dimm, etc.). This is useful for EDAC drivers that want to take the address of an error reported in a machine check bank and let the user know which DIMM may need to be replaced. Specification for this interface is available at: https://cdrdv2.intel.com/v1/dl/getContent/603354 [ Based on earlier code by Qiuxu Zhuo <qiuxu.zhuo@intel.com>. ] [ bp: Make the first pr_info() in adxl_init() pr_debug() so that it doesn't pollute every dmesg. ] Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> CC: Len Brown <lenb@kernel.org> CC: linux-acpi@vger.kernel.org CC: linux-edac@vger.kernel.org Link: http://lkml.kernel.org/r/20181015202620.23610-1-tony.luck@intel.com |
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Hans de Goede
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fe650c8ba7 |
ACPI / PM: Export acpi_device_get_power() for use by modular build drivers
Export acpi_device_get_power() for use by modular build drivers. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> |
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Bartlomiej Zolnierkiewicz
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56f57c07fd |
ACPI: remove redundant 'default n' from Kconfig
'default n' is the default value for any bool or tristate Kconfig
setting so there is no need to write it explicitly.
Also since commit
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Ronald Tschalär
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757c968c44 |
ACPI / SBS: Fix rare oops when removing modules
There was a small race when removing the sbshc module where smbus_alarm() had queued acpi_smbus_callback() for deferred execution but it hadn't been run yet, so that when it did run hc had been freed and the module unloaded, resulting in an invalid paging request. A similar race existed when removing the sbs module with regards to acpi_sbs_callback() (which is called from acpi_smbus_callback()). We therefore need to ensure no callbacks are pending or executing before the cleanups are done and the modules are removed. Signed-off-by: Ronald Tschalär <ronald@innovation.ch> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Ronald Tschalär
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ca1721c5be |
ACPI / SBS: Fix GPE storm on recent MacBookPro's
On Apple machines, plugging-in or unplugging the power triggers a GPE
for the EC. Since these machines expose an SBS device, this GPE ends
up triggering the acpi_sbs_callback(). This in turn tries to get the
status of the SBS charger. However, on MBP13,* and MBP14,* machines,
performing the smbus-read operation to get the charger's status triggers
the EC's GPE again. The result is an endless re-triggering and handling
of that GPE, consuming significant CPU resources (> 50% in irq).
In the end this is quite similar to commit
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Jeffrey Hugo
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59bbff3775 |
ACPI/PPTT: Handle architecturally unknown cache types
The type of a cache might not be specified by architectural mechanisms (ie
system registers), but its type might be specified in the PPTT. In this
case, we should populate the type of the cache, rather than leave it
undefined.
This fixes the issue where the cacheinfo driver will not populate sysfs
for such caches, resulting in the information missing from utilities like
lstopo and lscpu, thus degrading the user experience.
Fixes:
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Bob Moore
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8b1cafdcb4 |
ACPICA: Never run _REG on system_memory and system_IO
These address spaces are defined by the ACPI spec to be "always available", and thus _REG should never be run on them. Provides compatibility with other ACPI implementations. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Bob Moore
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9e9f8733a9 |
ACPICA: Split large interpreter file
New file: exserial.c Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Bob Moore
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e324e10109 |
ACPICA: Update for field unit access
Mostly for access to Generic Serial Bus, but also cleanup for the other fields. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |