Commit Graph

844609 Commits

Author SHA1 Message Date
Mike Christie
4ddeaae890 nbd: add netlink reconfigure resize support
If the device is setup with ioctl we can resize the device after the
initial setup, but if the device is setup with netlink we cannot use the
resize related ioctls and there is no netlink reconfigure size ATTR
handling code.

This patch adds netlink reconfigure resize support to match the ioctl
interface.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 21:21:31 -06:00
Xiubo Li
553768d116 nbd: fix crash when the blksize is zero
This will allow the blksize to be set zero and then use 1024 as
default.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
[fix to use goto out instead of return in genl_connect]
Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 21:21:16 -06:00
Damien Le Moal
b49773e7bc block: Disable write plugging for zoned block devices
Simultaneously writing to a sequential zone of a zoned block device
from multiple contexts requires mutual exclusion for BIO issuing to
ensure that writes happen sequentially. However, even for a well
behaved user correctly implementing such synchronization, BIO plugging
may interfere and result in BIOs from the different contextx to be
reordered if plugging is done outside of the mutual exclusion section,
e.g. the plug was started by a function higher in the call chain than
the function issuing BIOs.

         Context A                     Context B

   | blk_start_plug()
   | ...
   | seq_write_zone()
     | mutex_lock(zone)
     | bio-0->bi_iter.bi_sector = zone->wp
     | zone->wp += bio_sectors(bio-0)
     | submit_bio(bio-0)
     | bio-1->bi_iter.bi_sector = zone->wp
     | zone->wp += bio_sectors(bio-1)
     | submit_bio(bio-1)
     | mutex_unlock(zone)
     | return
   | -----------------------> | seq_write_zone()
  				| mutex_lock(zone)
     				| bio-2->bi_iter.bi_sector = zone->wp
     				| zone->wp += bio_sectors(bio-2)
				| submit_bio(bio-2)
				| mutex_unlock(zone)
   | <------------------------- |
   | blk_finish_plug()

In the above example, despite the mutex synchronization ensuring the
correct BIO issuing order 0, 1, 2, context A BIOs 0 and 1 end up being
issued after BIO 2 of context B, when the plug is released with
blk_finish_plug().

While this problem can be addressed using the blk_flush_plug_list()
function (in the above example, the call must be inserted before the
zone mutex lock is released), a simple generic solution in the block
layer avoid this additional code in all zoned block device user code.
The simple generic solution implemented with this patch is to introduce
the internal helper function blk_mq_plug() to access the current
context plug on BIO submission. This helper returns the current plug
only if the target device is not a zoned block device or if the BIO to
be plugged is not a write operation. Otherwise, the caller context plug
is ignored and NULL returned, resulting is all writes to zoned block
device to never be plugged.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 14:18:01 -06:00
Damien Le Moal
9305d5d721 block: Fix elevator name declaration
The elevator_name field in struct elevator_type is declared as an array
of characters (ELV_NAME_MAX size) but in practice used as a string
pointer with its initialization done statically within each
elevator elevator_type structure declaration.

Change the declaration of elevator_name to the more appropriate
"const char *" type.

Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 14:18:01 -06:00
Damien Le Moal
36847a0054 block: Remove unused definitions
The ELV_MQUEUE_XXX definitions in include/linux/elevator.h are unused
since the removal of elevator_may_queue_fn in kernel 5.0. Remove these
definitions and also remove the documentation of elevator_may_queue_fn
in Documentiation/block/biodoc.txt.

Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 14:18:01 -06:00
Konstantin Khlebnikov
3a10f999ff blk-throttle: fix zero wait time for iops throttled group
After commit 991f61fe7e ("Blk-throttle: reduce tail io latency when
iops limit is enforced") wait time could be zero even if group is
throttled and cannot issue requests right now. As a result
throtl_select_dispatch() turns into busy-loop under irq-safe queue
spinlock.

Fix is simple: always round up target time to the next throttle slice.

Fixes: 991f61fe7e ("Blk-throttle: reduce tail io latency when iops limit is enforced")
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Damien Le Moal
113ab72ed4 block: Fix potential overflow in blk_report_zones()
For large values of the number of zones reported and/or large zone
sizes, the sector increment calculated with

blk_queue_zone_sectors(q) * n

in blk_report_zones() loop can overflow the unsigned int type used for
the calculation as both "n" and blk_queue_zone_sectors() value are
unsigned int. E.g. for a device with 256 MB zones (524288 sectors),
overflow happens with 8192 or more zones reported.

Changing the return type of blk_queue_zone_sectors() to sector_t, fixes
this problem and avoids overflow problem for all other callers of this
helper too. The same change is also applied to the bdev_zone_sectors()
helper.

Fixes: e76239a374 ("block: add a report_zones method")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Tejun Heo
d3f77dfdc7 blkcg: implement REQ_CGROUP_PUNT
When a shared kthread needs to issue a bio for a cgroup, doing so
synchronously can lead to priority inversions as the kthread can be
trapped waiting for that cgroup.  This patch implements
REQ_CGROUP_PUNT flag which makes submit_bio() punt the actual issuing
to a dedicated per-blkcg work item to avoid such priority inversions.

This will be used to fix priority inversions in btrfs compression and
should be generally useful as we grow filesystem support for
comprehensive IO control.

Cc: Chris Mason <clm@fb.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Tejun Heo
653c45c6b9 blkcg, writeback: Implement wbc_blkcg_css()
Add a helper to determine the target blkcg from wbc.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Tejun Heo
27b36d8fa8 blkcg, writeback: Add wbc->no_cgroup_owner
When writeback IOs are bounced through async layers, the IOs should
only be accounted against the wbc from the original bdi writeback to
avoid confusing cgroup inode ownership arbitration.  Add
wbc->no_cgroup_owner to allow disabling wbc cgroup owner accounting.
This will be used make btrfs compression work well with cgroup IO
control.

v2: Renamed from no_wbc_acct to no_cgroup_owner and added comment as
    per Jan.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Tejun Heo
34e51a5e1a blkcg, writeback: Rename wbc_account_io() to wbc_account_cgroup_owner()
wbc_account_io() does a very specific job - try to see which cgroup is
actually dirtying an inode and transfer its ownership to the majority
dirtier if needed.  The name is too generic and confusing.  Let's
rename it to something more specific.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Tejun Heo
9b0eb69b75 cgroup, blkcg: Prepare some symbols for module and !CONFIG_CGROUP usages
btrfs is going to use css_put() and wbc helpers to improve cgroup
writeback support.  Add dummy css_get() definition and export wbc
helpers to prepare for module and !CONFIG_CGROUP builds.

Reported-by: kbuild test robot <lkp@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Josef Bacik
fd112c7465 blk-cgroup: turn on psi memstall stuff
With the psi stuff in place we can use the memstall flag to indicate
pressure that happens from throttling.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Josef Bacik
b554db147f block: init flush rq ref count to 1
We discovered a problem in newer kernels where a disconnect of a NBD
device while the flush request was pending would result in a hang.  This
is because the blk mq timeout handler does

        if (!refcount_inc_not_zero(&rq->ref))
                return true;

to determine if it's ok to run the timeout handler for the request.
Flush_rq's don't have a ref count set, so we'd skip running the timeout
handler for this request and it would just sit there in limbo forever.

Fix this by always setting the refcount of any request going through
blk_init_rq() to 1.  I tested this with a nbd-server that dropped flush
requests to verify that it hung, and then tested with this patch to
verify I got the timeout as expected and the error handling kicked in.
Thanks,

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-10 09:00:57 -06:00
Linus Torvalds
cdc5ffc410 for-5.3/libata-20190708
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Merge tag 'for-5.3/libata-20190708' of git://git.kernel.dk/linux-block

Pull libata updates from Jens Axboe:
 "These are the changes that are reviewed, tested, and queued up for
  this merge window. This contains:

   - Removal of redundant memset after dmam_alloc_coherent (Fuqian)

   - Expand blacklist check for ST1000LM024, making it independent of
     firmware version (Hans)

   - Request sense fix (Tejun)

   - ahci_sunxi FIFO fix (Uenal)"

* tag 'for-5.3/libata-20190708' of git://git.kernel.dk/linux-block:
  drivers: ata: ahci_sunxi: Increased SATA/AHCI DMA TX/RX FIFOs
  libata: Drop firmware version check from the ST1000LM024 quirk
  ata: sata_sil24: Remove call to memset after dmam_alloc_coherent
  ata:sata_qstor: Remove call to memset after dmam_alloc_coherent
  ata: sata_nv: Remove call to memset after dmam_alloc_coherent
  ata: pdc_adma: Remove call to memset after dmam_alloc_coherent
  ata: libahci: Remove call to memset after dmam_alloc_coherent
  ata: acard-ahci: Remove call to memset after dmam_alloc_coherent
  libata: don't request sense data on !ZAC ATA devices
2019-07-09 10:59:26 -07:00
Linus Torvalds
3b99107f0e for-5.3/block-20190708
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Merge tag 'for-5.3/block-20190708' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:
 "This is the main block updates for 5.3. Nothing earth shattering or
  major in here, just fixes, additions, and improvements all over the
  map. This contains:

   - Series of documentation fixes (Bart)

   - Optimization of the blk-mq ctx get/put (Bart)

   - null_blk removal race condition fix (Bob)

   - req/bio_op() cleanups (Chaitanya)

   - Series cleaning up the segment accounting, and request/bio mapping
     (Christoph)

   - Series cleaning up the page getting/putting for bios (Christoph)

   - block cgroup cleanups and moving it to where it is used (Christoph)

   - block cgroup fixes (Tejun)

   - Series of fixes and improvements to bcache, most notably a write
     deadlock fix (Coly)

   - blk-iolatency STS_AGAIN and accounting fixes (Dennis)

   - Series of improvements and fixes to BFQ (Douglas, Paolo)

   - debugfs_create() return value check removal for drbd (Greg)

   - Use struct_size(), where appropriate (Gustavo)

   - Two lighnvm fixes (Heiner, Geert)

   - MD fixes, including a read balance and corruption fix (Guoqing,
     Marcos, Xiao, Yufen)

   - block opal shadow mbr additions (Jonas, Revanth)

   - sbitmap compare-and-exhange improvemnts (Pavel)

   - Fix for potential bio->bi_size overflow (Ming)

   - NVMe pull requests:
       - improved PCIe suspent support (Keith Busch)
       - error injection support for the admin queue (Akinobu Mita)
       - Fibre Channel discovery improvements (James Smart)
       - tracing improvements including nvmetc tracing support (Minwoo Im)
       - misc fixes and cleanups (Anton Eidelman, Minwoo Im, Chaitanya
         Kulkarni)"

   - Various little fixes and improvements to drivers and core"

* tag 'for-5.3/block-20190708' of git://git.kernel.dk/linux-block: (153 commits)
  blk-iolatency: fix STS_AGAIN handling
  block: nr_phys_segments needs to be zero for REQ_OP_WRITE_ZEROES
  blk-mq: simplify blk_mq_make_request()
  blk-mq: remove blk_mq_put_ctx()
  sbitmap: Replace cmpxchg with xchg
  block: fix .bi_size overflow
  block: sed-opal: check size of shadow mbr
  block: sed-opal: ioctl for writing to shadow mbr
  block: sed-opal: add ioctl for done-mark of shadow mbr
  block: never take page references for ITER_BVEC
  direct-io: use bio_release_pages in dio_bio_complete
  block_dev: use bio_release_pages in bio_unmap_user
  block_dev: use bio_release_pages in blkdev_bio_end_io
  iomap: use bio_release_pages in iomap_dio_bio_end_io
  block: use bio_release_pages in bio_map_user_iov
  block: use bio_release_pages in bio_unmap_user
  block: optionally mark pages dirty in bio_release_pages
  block: move the BIO_NO_PAGE_REF check into bio_release_pages
  block: skd_main.c: Remove call to memset after dma_alloc_coherent
  block: mtip32xx: Remove call to memset after dma_alloc_coherent
  ...
2019-07-09 10:45:06 -07:00
Linus Torvalds
0415052db4 Device properties framework updates for 5.3-rc1
- Add helpers to count items in a property array (Andy Shevchenko).
 
  - Extend "software nodes" support to be more convenient for
    representing device properties supplied by drivers (Heikki
    Krogerus).
 
  - Add device_find_child_by_name() helper to the driver core (Heikki
    Krogerus).
 
  - Extend device connection code to also look for references provided
    via fwnode pointers (Heikki Krogerus).
 
  - Start to register proper struct device objects for USB Type-C
    muxes and orientation switches (Heikki Krogerus).
 
  - Update the intel_cht_int33fe driver to describe devices in a more
    general way with the help of "software nodes" (Heikki Krogerus).
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Merge tag 'devprop-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull device properties framework updates from Rafael Wysocki:
 "These add helpers for counting items in a property array and extend
  the "software nodes" support to be more convenient for representing
  device properties supplied by drivers and make the intel_cht_int33fe
  driver use that.

  Specifics:

   - Add helpers to count items in a property array (Andy Shevchenko).

   - Extend "software nodes" support to be more convenient for
     representing device properties supplied by drivers (Heikki
     Krogerus).

   - Add device_find_child_by_name() helper to the driver core (Heikki
     Krogerus).

   - Extend device connection code to also look for references provided
     via fwnode pointers (Heikki Krogerus).

   - Start to register proper struct device objects for USB Type-C muxes
     and orientation switches (Heikki Krogerus).

   - Update the intel_cht_int33fe driver to describe devices in a more
     general way with the help of "software nodes" (Heikki Krogerus)"

* tag 'devprop-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  device property: Add helpers to count items in an array
  platform/x86: intel_cht_int33fe: Replacing the old connections with references
  platform/x86: intel_cht_int33fe: Supply fwnodes for the external dependencies
  platform/x86: intel_cht_int33fe: Provide fwnode for the USB connector
  platform/x86: intel_cht_int33fe: Provide software nodes for the devices
  platform/x86: intel_cht_int33fe: Remove unused fusb302 device property
  platform/x86: intel_cht_int33fe: Register max17047 in its own function
  usb: typec: Registering real device entries for the muxes
  device connection: Find connections also by checking the references
  device property: Introduce fwnode_find_reference()
  ACPI / property: Don't limit named child node matching to data nodes
  driver core: Add helper device_find_child_by_name()
  software node: Add software_node_get_reference_args()
  software node: Use kobject name when finding child nodes by name
  software node: Add support for static node descriptors
  software node: Simplify software_node_release() function
  software node: Allow node creation without properties
2019-07-09 10:28:47 -07:00
Linus Torvalds
4b4704520d ACPI updates for 5.3-rc1
- Update the ACPICA code in the kernel to upstream revision 20190703
    including:
    * Initial/defalut namespace creation simplification (Bob Moore).
    * Object initialization sequence update (Bob Moore).
    * Removal of legacy module-level (dead) code (Erik Schmauss).
    * Table load object initialization update (Erik Schmauss, Nikolaus
      Voss).
 
  - Fix GPE enabling issue in ACPICA causing premature wakeups from
    suspend-to-idle to occur (Rafael Wysocki).
 
  - Allow ACPI AC and battery drivers to be built on non-X86 (Ard
    Biesheuvel).
 
  - Fix address space handler removal in the ACPI PMIC driver for
    Intel platforms (Andy Shevchenko).
 
  - Allow BGRT to be overridden via initrd or configfs (Andrea Oliveri).
 
  - Fix object resolution on table loads via configfs (Nikolaus Voss).
 
  - Clean up assorted pieces of ACPI code and tools (Colin Ian King,
    Liguang Zhang, Masahiro Yamada).
 
  - Fix documentation build warning, convert the extcon document to
    ReST and add it to the ACPI documentation (Mauro Carvalho Chehab,
    Qian Cai).
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Merge tag 'acpi-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to upstream revision
  20190703, fix up the handling of GPEs in ACPICA, allow some more ACPI
  code to be built on ARM64 platforms, allow BGRT to be overridden, fix
  minor issues and clean up assorted pieces of ACPI code.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20190703
     including:
       - Initial/default namespace creation simplification (Bob Moore).
       - Object initialization sequence update (Bob Moore).
       - Removal of legacy module-level (dead) code (Erik Schmauss).
       - Table load object initialization update (Erik Schmauss,
         Nikolaus Voss).

   - Fix GPE enabling issue in ACPICA causing premature wakeups from
     suspend-to-idle to occur (Rafael Wysocki).

   - Allow ACPI AC and battery drivers to be built on non-X86 (Ard
     Biesheuvel).

   - Fix address space handler removal in the ACPI PMIC driver for Intel
     platforms (Andy Shevchenko).

   - Allow BGRT to be overridden via initrd or configfs (Andrea
     Oliveri).

   - Fix object resolution on table loads via configfs (Nikolaus Voss).

   - Clean up assorted pieces of ACPI code and tools (Colin Ian King,
     Liguang Zhang, Masahiro Yamada).

   - Fix documentation build warning, convert the extcon document to
     ReST and add it to the ACPI documentation (Mauro Carvalho Chehab,
     Qian Cai)"

* tag 'acpi-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / APEI: Remove needless __ghes_check_estatus() calls
  ACPICA: Update version to 20190703
  ACPICA: Update table load object initialization
  ACPICA: Update for object initialization sequence
  ACPICA: remove legacy module-level code due to deprecation
  ACPICA: Namespace: simplify creation of the initial/default namespace
  ACPI / PMIC: intel: Drop double removal of address space handler
  ACPI: APD: remove redundant assignment to pointer clk
  docs: extcon: convert it to ReST and move to ACPI dir
  ACPI: Make AC and battery drivers available on !X86
  ACPICA: Clear status of GPEs on first direct enable
  ACPI: configfs: Resolve objects on host-directed table loads
  ACPI: tables: Allow BGRT to be overridden
  ACPI: OSL: Make a W=1 kernel-doc warning go away
  ACPI: tools: Exclude tools/* from .gitignore patterns
2019-07-09 10:21:39 -07:00
Linus Torvalds
cf2d213e49 Power management updates for 5.3-rc1
- Improve the handling of shared ACPI power resources in the PCI
    bus type layer (Mika Westerberg).
 
  - Make the PCI layer take link delays required by the PCIe spec
    into account as appropriate and avoid polling devices in D3cold
    for PME (Mika Westerberg).
 
  - Fix some corner case issues in ACPI device power management and
    in the PCI bus type layer, optimiza and clean up the handling of
    runtime-suspended PCI devices during system-wide transitions to
    sleep states (Rafael Wysocki).
 
  - Rework hibernation handling in the ACPI core and the PCI bus type
    to resume runtime-suspended devices before hibernation (which
    allows some functional problems to be avoided) and fix some ACPI
    power management issues related to hiberation (Rafael Wysocki).
 
  - Extend the operating performance points (OPP) framework to support
    a wider range of devices (Rajendra Nayak, Stehpen Boyd).
 
  - Fix issues related to genpd_virt_devs and issues with platforms
    using the set_opp() callback in the OPP framework (Viresh Kumar,
    Dmitry Osipenko).
 
  - Add new cpufreq driver for Raspberry Pi (Nicolas Saenz Julienne).
 
  - Add new cpufreq driver for imx8m and imx7d chips (Leonard Crestez).
 
  - Fix and clean up the pcc-cpufreq, brcmstb-avs-cpufreq, s5pv210,
    and armada-37xx cpufreq drivers (David Arcari, Florian Fainelli,
    Paweł Chmiel, YueHaibing).
 
  - Clean up and fix the cpufreq core (Viresh Kumar, Daniel Lezcano).
 
  - Fix minor issue in the ACPI system sleep support code and export
    one function from it (Lenny Szubowicz, Dexuan Cui).
 
  - Clean up assorted pieces of PM code and documentation (Kefeng Wang,
    Andy Shevchenko, Bart Van Assche, Greg Kroah-Hartman, Fuqian Huang,
    Geert Uytterhoeven, Mathieu Malaterre, Rafael Wysocki).
 
  - Update the pm-graph utility to v5.4 (Todd Brandt).
 
  - Fix and clean up the cpupower utility (Abhishek Goel, Nick Black).
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Merge tag 'pm-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These update PCI and ACPI power management (improved handling of ACPI
  power resources and PCIe link delays, fixes related to corner cases,
  hibernation handling rework), fix and extend the operating performance
  points (OPP) framework, add new cpufreq drivers for Raspberry Pi and
  imx8m chips, update some other cpufreq drivers, clean up assorted
  pieces of PM code and documentation and update tools.

  Specifics:

   - Improve the handling of shared ACPI power resources in the PCI bus
     type layer (Mika Westerberg).

   - Make the PCI layer take link delays required by the PCIe spec into
     account as appropriate and avoid polling devices in D3cold for PME
     (Mika Westerberg).

   - Fix some corner case issues in ACPI device power management and in
     the PCI bus type layer, optimiza and clean up the handling of
     runtime-suspended PCI devices during system-wide transitions to
     sleep states (Rafael Wysocki).

   - Rework hibernation handling in the ACPI core and the PCI bus type
     to resume runtime-suspended devices before hibernation (which
     allows some functional problems to be avoided) and fix some ACPI
     power management issues related to hiberation (Rafael Wysocki).

   - Extend the operating performance points (OPP) framework to support
     a wider range of devices (Rajendra Nayak, Stehpen Boyd).

   - Fix issues related to genpd_virt_devs and issues with platforms
     using the set_opp() callback in the OPP framework (Viresh Kumar,
     Dmitry Osipenko).

   - Add new cpufreq driver for Raspberry Pi (Nicolas Saenz Julienne).

   - Add new cpufreq driver for imx8m and imx7d chips (Leonard Crestez).

   - Fix and clean up the pcc-cpufreq, brcmstb-avs-cpufreq, s5pv210, and
     armada-37xx cpufreq drivers (David Arcari, Florian Fainelli, Paweł
     Chmiel, YueHaibing).

   - Clean up and fix the cpufreq core (Viresh Kumar, Daniel Lezcano).

   - Fix minor issue in the ACPI system sleep support code and export
     one function from it (Lenny Szubowicz, Dexuan Cui).

   - Clean up assorted pieces of PM code and documentation (Kefeng Wang,
     Andy Shevchenko, Bart Van Assche, Greg Kroah-Hartman, Fuqian Huang,
     Geert Uytterhoeven, Mathieu Malaterre, Rafael Wysocki).

   - Update the pm-graph utility to v5.4 (Todd Brandt).

   - Fix and clean up the cpupower utility (Abhishek Goel, Nick Black)"

* tag 'pm-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (57 commits)
  ACPI: PM: Make acpi_sleep_state_supported() non-static
  PM: sleep: Drop dev_pm_skip_next_resume_phases()
  ACPI: PM: Unexport acpi_device_get_power()
  Documentation: ABI: power: Add missing newline at end of file
  ACPI: PM: Drop unused function and function header
  ACPI: PM: Introduce "poweroff" callbacks for ACPI PM domain and LPSS
  ACPI: PM: Simplify and fix PM domain hibernation callbacks
  PCI: PM: Simplify bus-level hibernation callbacks
  PM: ACPI/PCI: Resume all devices during hibernation
  cpufreq: Avoid calling cpufreq_verify_current_freq() from handle_update()
  cpufreq: Consolidate cpufreq_update_current_freq() and __cpufreq_get()
  kernel: power: swap: use kzalloc() instead of kmalloc() followed by memset()
  cpufreq: Don't skip frequency validation for has_target() drivers
  PCI: PM/ACPI: Refresh all stale power state data in pci_pm_complete()
  PCI / ACPI: Add _PR0 dependent devices
  ACPI / PM: Introduce concept of a _PR0 dependent device
  PCI / ACPI: Use cached ACPI device state to get PCI device power state
  ACPI: PM: Allow transitions to D0 to occur in special cases
  ACPI: PM: Avoid evaluating _PS3 on transitions from D3hot to D3cold
  cpufreq: Use has_target() instead of !setpolicy
  ...
2019-07-09 10:05:22 -07:00
Linus Torvalds
4cdd5f9186 sound updates for 5.3
Many updates in this development cycle are found in ASoC where it got
 a wide range of changes for the continued refactoring.
 Some highlights are below.
 
 ASoC:
 * Continued refactoring work by Morimoto-san toward the full
   componentization; the changes are seen allover the places
 * Support for force disconnecting muxes in DAPM
 * Continued development of ASoC Intel SOF stuff
 * New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90,
   Conexant CX2072X, Realtek RT1011 and RT1308
 
 HD-audio:
 * More fixes and adjustments for ASoC SOF HD-audio
 * Fix for resume problem on some Realtek codecs
 
 USB-audio:
 * A few fixes for the issues reported by syzbot USB fuzzer
 * Fix for UAC2 extension unit parser
 * Quirks for Line6 Helix, Emgaic Unitor 8
 
 FireWire:
 * Lots of code refactoring and fixes in most of its components
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Merge tag 'sound-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "Many updates in this development cycle are found in ASoC where it got
  a wide range of changes for the continued refactoring.

  Some highlights are below.

  ASoC:

   - Continued refactoring work by Morimoto-san toward the full
     componentization; the changes are seen allover the places

   - Support for force disconnecting muxes in DAPM

   - Continued development of ASoC Intel SOF stuff

   - New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90, Conexant
     CX2072X, Realtek RT1011 and RT1308

  HD-audio:

   - More fixes and adjustments for ASoC SOF HD-audio

   - Fix for resume problem on some Realtek codecs

  USB-audio:

   - A few fixes for the issues reported by syzbot USB fuzzer

   - Fix for UAC2 extension unit parser

   - Quirks for Line6 Helix, Emgaic Unitor 8

  FireWire:

   - Lots of code refactoring and fixes in most of its components"

* tag 'sound-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (626 commits)
  ALSA: firewire-lib: code refactoring for local variables
  ALSA: firewire-lib: code refactoring for post operation to data block counter
  ALSA: firewire-lib: code refactoring for error path of parser for CIP header
  ALSA: firewire-lib: fix different data block counter between probed event and transferred isochronous packet
  ALSA: firewire-lib: fix initial value of data block count for IR context without CIP_DBC_IS_END_EVENT
  ALSA: firewire-lib/fireface: fix initial value of data block counter for IR context with CIP_NO_HEADER
  ALSA: firewire-lib: fix invalid length of rx packet payload for tracepoint events
  ALSA: usb-audio: fix Line6 Helix audio format rates
  firewire-motu: fix wrong reference count for stream functionality at error path of rawmidi interface
  ALSA: firewire-digi00x: fix wrong reference count for stream functionality at error path of rawmidi interface
  ALSA: dice: fix wrong reference count for stream functionality at error path of rawmidi interface
  ALSA: oxfw: fix wrong reference count for stream functionality at error path of rawmidi interface
  ALSA: fireworks: fix wrong reference count for stream functionality at error path of rawmidi interface
  ALSA: bebob: fix wrong reference count for stream functionality at error path of rawmidi interface
  ASoC: SOF: Intel: implement runtime idle for CNL/APL
  ASoC: SOF: add runtime idle callback
  ASoC: hdac_hdmi: report codec link up/down status to bus
  ASoC: SOF: debug: fix possible memory leak in sof_dfsentry_write()
  ASoC: sunxi: sun50i-codec-analog: Add earpiece
  ASoC: rt5665: remove redundant assignment to variable idx
  ...
2019-07-09 09:59:43 -07:00
Linus Torvalds
2d41ef5432 fbdev changes for v5.3:
- remove fbdev notifier usage for fbcon (as prep work to clean up the fbcon
   locking), add locking checks in vt/console code and make assorted cleanups
   in fbdev and backlight code (Daniel Vetter)
 
 - add COMPILE_TEST support to atmel_lcdfb, da8xx-fb, gbefb, imxfb, pvr2fb and
   pxa168fb drivers (me)
 
 - fix DMA API abuse in au1200fb and jz4740_fb drivers (Christoph Hellwig)
 
 - add check for new BGRT status field rotation bits in efifb driver (Hans de
   Goede)
 
 - mark expected switch fall-throughs in s3c-fb driver (Gustavo A. R. Silva)
 
 - remove fbdev mxsfb driver in favour of the drm version (Fabio Estevam)
 
 - remove broken rfbi code from omap2fb driver (me)
 
 - misc fixes (Arnd Bergmann, Shobhit Kukreti, Wei Yongjun, me)
 
 - misc cleanups (Gustavo A. R. Silva, Colin Ian King, me)
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Merge tag 'fbdev-v5.3' of git://github.com/bzolnier/linux

Pull fbdev updates from Bartlomiej Zolnierkiewicz:

 - remove fbdev notifier usage for fbcon (as prep work to clean up the
   fbcon locking), add locking checks in vt/console code and make
   assorted cleanups in fbdev and backlight code (Daniel Vetter)

 - add COMPILE_TEST support to atmel_lcdfb, da8xx-fb, gbefb, imxfb,
   pvr2fb and pxa168fb drivers (me)

 - fix DMA API abuse in au1200fb and jz4740_fb drivers (Christoph
   Hellwig)

 - add check for new BGRT status field rotation bits in efifb driver
   (Hans de Goede)

 - mark expected switch fall-throughs in s3c-fb driver (Gustavo A. R.
   Silva)

 - remove fbdev mxsfb driver in favour of the drm version (Fabio
   Estevam)

 - remove broken rfbi code from omap2fb driver (me)

 - misc fixes (Arnd Bergmann, Shobhit Kukreti, Wei Yongjun, me)

 - misc cleanups (Gustavo A. R. Silva, Colin Ian King, me)

* tag 'fbdev-v5.3' of git://github.com/bzolnier/linux: (62 commits)
  video: fbdev: imxfb: fix a typo in imxfb_probe()
  video: fbdev: s3c-fb: Mark expected switch fall-throughs
  video: fbdev: s3c-fb: fix sparse warnings about using incorrect types
  video: fbdev: don't print error message on framebuffer_alloc() failure
  video: fbdev: intelfb: return -ENOMEM on framebuffer_alloc() failure
  video: fbdev: s3c-fb: return -ENOMEM on framebuffer_alloc() failure
  vga_switcheroo: Depend upon fbcon being built-in, if enabled
  video: fbdev: omap2: remove rfbi
  video: fbdev: atmel_lcdfb: remove redundant initialization to variable ret
  video: fbdev-MMP: Use struct_size() in devm_kzalloc()
  video: fbdev: controlfb: fix warnings about comparing pointer to 0
  efifb: BGRT: Add check for new BGRT status field rotation bits
  jz4740_fb: fix DMA API abuse
  video: fbdev: pvr2fb: fix link error for pvr2fb_pci_exit
  video: fbdev: s3c-fb: add COMPILE_TEST support
  video: fbdev: imxfb: fix sparse warnings about using incorrect types
  video: fbdev: pvr2fb: fix build warning when compiling as module
  fbcon: Export fbcon_update_vcs
  backlight: simplify lcd notifier
  staging/olpc_dcon: Add drm conversion to TODO
  ...
2019-07-09 09:55:45 -07:00
Linus Torvalds
ed63b9c873 media updates for v5.3-rc1
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Merge tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new Atmel microship ISC driver

 - coda has gained support for mpeg2 and mpeg4

 - cxusb gained support for analog TV

 - rockchip staging driver was split into two separate staging drivers

 - added a new staging driver for Allegro DVT video IP core

 - added a new staging driver for Amlogic Meson video decoder

 - lots of improvements and cleanups

* tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (398 commits)
  media: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs
  media: doc-rst: Fix typos
  media: radio-raremono: change devm_k*alloc to k*alloc
  media: stv0297: fix frequency range limit
  media: rc: Prefer KEY_NUMERIC_* for number buttons on remotes
  media: dvb_frontend: split dvb_frontend_handle_ioctl function
  media: mceusb: disable "nonsensical irdata" messages
  media: rc: remove redundant dev_err message
  media: cec-notifier: add new notifier functions
  media: cec: add struct cec_connector_info support
  media: cec-notifier: rename variables, check kstrdup and n->conn_name
  media: MAINTAINERS: Add maintainers for Media Controller
  media: staging: media: tegra-vde: Defer dmabuf's unmapping
  media: staging: media: tegra-vde: Add IOMMU support
  media: hdpvr: fix locking and a missing msleep
  media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
  media: atmel: atmel-isc: fix i386 build error
  media: v4l2-ctrl: Move compound control initialization
  media: hantro: Use vb2_get_buffer
  media: pci: cx88: Change the type of 'missed' to u64
  ...
2019-07-09 09:47:22 -07:00
Linus Torvalds
947fbd4ca9 EDAC changes for v5.3
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Merge tag 'please-pull-for_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

Pull EDAC updates from Tony Luck:
 "All the bits that Boris had queued in his tree plus four patches to
  add support for Intel Icelake Xeon and then fix a few corner cases"

* tag 'please-pull-for_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec
  EDAC, skx, i10nm: Fix source ID register offset
  EDAC, i10nm: Check ECC enabling status per channel
  EDAC, i10nm: Add Intel additional Ice-Lake support
  EDAC: Make edac_debugfs_create_x*() return void
  EDAC/aspeed: Remove set but not used variable 'np'
  EDAC/ie31200: Reformat PCI device table
  EDAC/ie31200: Add Intel Coffee Lake CPU support
  EDAC/sifive: Add EDAC platform driver for SiFive SoCs
  EDAC/sb_edac: Remove redundant update of tad_base
  arm64: dts: stratix10: Add SDMMC EDAC node
  EDAC/altera: Add Stratix10 SDMMC support
  arm64: dts: stratix10: Add OCRAM EDAC node
  EDAC/altera: Add Stratix10 OCRAM ECC support
  EDAC/sysfs: Drop device references properly
  EDAC/sysfs: Fix memory leak when creating a csrow object
2019-07-09 09:43:20 -07:00
Linus Torvalds
6b04014f3f IOMMU Updates for Linux v5.3
Including:
 
 	- Patches to make the dma-iommu code more generic so that it can
 	  be used outside of the ARM context with other IOMMU drivers.
 	  Goal is to make use of it on x86 too.
 
 	- Generic IOMMU domain support for the Intel VT-d driver. This
 	  driver now makes more use of common IOMMU code to allocate
 	  default domains for the devices it handles.
 
 	- An IOMMU fault reporting API to userspace. With that the IOMMU
 	  fault handling can be done in user-space, for example to
 	  forward the faults to a VM.
 
 	- Better handling for reserved regions requested by the
 	  firmware. These can be 'relaxed' now, meaning that those don't
 	  prevent a device being attached to a VM.
 
 	- Suspend/Resume support for the Renesas IOMMU driver.
 
 	- Added support for dumping SVA related fields of the DMAR table
 	  in the Intel VT-d driver via debugfs.
 
 	- A pile of smaller fixes and cleanups.
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Merge tag 'iommu-updates-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - Make the dma-iommu code more generic so that it can be used outside
   of the ARM context with other IOMMU drivers. Goal is to make use of
   it on x86 too.

 - Generic IOMMU domain support for the Intel VT-d driver. This driver
   now makes more use of common IOMMU code to allocate default domains
   for the devices it handles.

 - An IOMMU fault reporting API to userspace. With that the IOMMU fault
   handling can be done in user-space, for example to forward the faults
   to a VM.

 - Better handling for reserved regions requested by the firmware. These
   can be 'relaxed' now, meaning that those don't prevent a device being
   attached to a VM.

 - Suspend/Resume support for the Renesas IOMMU driver.

 - Added support for dumping SVA related fields of the DMAR table in the
   Intel VT-d driver via debugfs.

 - A pile of smaller fixes and cleanups.

* tag 'iommu-updates-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (90 commits)
  iommu/omap: No need to check return value of debugfs_create functions
  iommu/arm-smmu-v3: Invalidate ATC when detaching a device
  iommu/arm-smmu-v3: Fix compilation when CONFIG_CMA=n
  iommu/vt-d: Cleanup unused variable
  iommu/amd: Flush not present cache in iommu_map_page
  iommu/amd: Only free resources once on init error
  iommu/amd: Move gart fallback to amd_iommu_init
  iommu/amd: Make iommu_disable safer
  iommu/io-pgtable: Support non-coherent page tables
  iommu/io-pgtable: Replace IO_PGTABLE_QUIRK_NO_DMA with specific flag
  iommu/io-pgtable-arm: Add support to use system cache
  iommu/arm-smmu-v3: Increase maximum size of queues
  iommu/vt-d: Silence a variable set but not used
  iommu/vt-d: Remove an unused variable "length"
  iommu: Fix integer truncation
  iommu: Add padding to struct iommu_fault
  iommu/vt-d: Consolidate domain_init() to avoid duplication
  iommu/vt-d: Cleanup after delegating DMA domain to generic iommu
  iommu/vt-d: Fix suspicious RCU usage in probe_acpi_namespace_devices()
  iommu/vt-d: Allow DMA domain attaching to rmrr locked device
  ...
2019-07-09 09:21:02 -07:00
Linus Torvalds
c6b6cebbc5 spi: Updates for v5.3
For the most part this is a quiet release for SPI, though there's
 several of the more widely used drivers that have had some fairly
 substantial development done on them, mainly improving
 performance and adding support for some more obscure use cases.
 
  - Support for configuring a minimum time for chip select to be
    deasserted between transfers from Martin Sperl.
  - A rework of the ACPI device instantiation code from Ard
    Biesheuvel.
  - Fairly substantial development on the AT91 USART, BCM2835 and
    Tegra114 drivers.
  - New driver for Socionext SynQuacer.
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Merge tag 'spi-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "For the most part this is a quiet release for SPI, though there's
  several of the more widely used drivers that have had some fairly
  substantial development done on them, mainly improving performance and
  adding support for some more obscure use cases.

  Summary:

   - Support for configuring a minimum time for chip select to be
     deasserted between transfers from Martin Sperl.

   - A rework of the ACPI device instantiation code from Ard Biesheuvel.

   - Fairly substantial development on the AT91 USART, BCM2835 and
     Tegra114 drivers.

   - New driver for Socionext SynQuacer"

* tag 'spi-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (58 commits)
  spi: pxa2xx: Add support for Intel Elkhart Lake
  spi: atmel-quadspi: fix resume call
  spi: atmel-quadspi: void return type for atmel_qspi_init()
  spi: pxa2xx: Set minimum transfer speed
  spi: stm32-qspi: remove signal sensitive on completion
  dt-bindings: spi: stm32-qspi: add dma properties
  spi: uniphier: fix zero-length transfer
  spi: uniphier: fix timeout error
  spi/acpi: avoid spurious matches during slave enumeration
  spi: spi-stm32-qspi: Remove CR_FTHRES_MASK usage
  spi: fix ctrl->num_chipselect constraint
  spi: spi-synquacer: Fixed build on architectures missing readsl/writesl series
  spi/acpi: fix incorrect ACPI parent check
  spi: don't open code list_for_each_entry_safe_reverse()
  spi: No need to assign dummy value in spi_unregister_controller()
  spi: Add a prototype for exported spi_set_cs_timing()
  spi/acpi: enumerate all SPI slaves in the namespace
  spi: qup: fix PIO/DMA transfers.
  spi: Use struct_size() helper
  spi: mediatek: add SPI_LSB_FIRST support
  ...
2019-07-09 09:17:59 -07:00
Linus Torvalds
98537ee92f regulator: Updates for v5.3
A couple of new features in the core, the most interesting one
 being support for complex regulator coupling configurations
 initially targeted at nVidia Tegra SoCs, and some new drivers but
 otherwise quite a quiet release.
 
  - Core support for gradual ramping of voltages for devices that
    can't manage large changes in hardware from Bartosz Golaszewski.
  - Core support for systems that have complex coupling requirements
    best described via code, contributed by Dmitry Osipenko.
  - New drivers for Dialog SLG51000, Qualcomm PM8005 and ST
    Microelectronics STM32-Booster.
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Merge tag 'regulator-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "A couple of new features in the core, the most interesting one being
  support for complex regulator coupling configurations initially
  targeted at nVidia Tegra SoCs, and some new drivers but otherwise
  quite a quiet release.

  Summary:

   - Core support for gradual ramping of voltages for devices that can't
     manage large changes in hardware from Bartosz Golaszewski.

   - Core support for systems that have complex coupling requirements
     best described via code, contributed by Dmitry Osipenko.

   - New drivers for Dialog SLG51000, Qualcomm PM8005 and ST
     Microelectronics STM32-Booster"

* tag 'regulator-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (52 commits)
  regulator: max77650: use vsel_step
  regulator: implement selector stepping
  regulator: max77650: add MODULE_ALIAS()
  regulator: max77620: remove redundant assignment to variable ret
  dt-bindings: regulator: add support for the stm32-booster
  regulator: add support for the stm32-booster
  regulator: s2mps11: Adjust supported buck voltages to real values
  regulator: s2mps11: Fix buck7 and buck8 wrong voltages
  gpio: Fix return value mismatch of function gpiod_get_from_of_node()
  regulator: core: Expose some of core functions needed by couplers
  regulator: core: Introduce API for regulators coupling customization
  regulator: s2mps11: Add support for disabling S2MPS11 regulators in suspend
  regulator: s2mps11: Reduce number of rdev_get_id() calls
  regulator: qcom_spmi: Do NULL check for lvs
  regulator: qcom_spmi: Fix math of spmi_regulator_set_voltage_time_sel
  regulator: da9061/62: Adjust LDO voltage selection minimum value
  regulator: s2mps11: Fix ERR_PTR dereference on GPIO lookup failure
  regulator: qcom_spmi: add PMS405 SPMI regulator
  dt-bindings: qcom_spmi: Document pms405 support
  arm64: dts: msm8998-mtp: Add pm8005_s1 regulator
  ...
2019-07-09 09:15:03 -07:00
Linus Torvalds
12a5146bda regmap: Updates for v5.3
This is a relatively busy release for regmap, though not busy in the
 grand scheme of things, with the addition of support for I3C from Vitor
 Soares and a few small fixes and cleanups.
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Merge tag 'regmap-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This is a relatively busy release for regmap, though not busy in the
  grand scheme of things, with the addition of support for I3C from
  Vitor Soares and a few small fixes and cleanups"

* tag 'regmap-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: select CONFIG_REGMAP while REGMAP_SCCB is set
  regmap: lzo: Switch to bitmap_zalloc()
  regmap: fix bulk writes on paged registers
  regmap: add i3c bus support
  regmap: debugfs: Fix memory leak in regmap_debugfs_init
2019-07-09 09:11:22 -07:00
Linus Torvalds
2ec98f5678 Bulk GPIO changes for the v5.3 kernel cycle:
Core:
 
 - When a gpio_chip request GPIOs from itself, it can now fully
   control the line characteristics, both machine and consumer
   flags. This makes a lot of sense, but took some time before I
   figured out that this is how it has to work.
 
 - Several smallish documentation fixes.
 
 New drivers:
 
 - The PCA953x driver now supports the TI TCA9539.
 
 - The DaVinci driver now supports the K3 AM654 SoCs.
 
 Driver improvements:
 
 - Major overhaul and hardening of the OMAP driver by Russell
   King.
 
 - Starting to move some drivers to the new API passing irq_chip
   along with the gpio_chip when adding the gpio_chip instead
   of adding it separately.
 
 Unrelated:
 
 - Delete the FMC subsystem.
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Merge tag 'gpio-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the big slew of GPIO changes for the v5.3 kernel cycle. This
  is mostly incremental work this time.

  Three important things:

   - The FMC subsystem is deleted through my tree. This happens through
     GPIO as its demise was discussed in relation to a patch decoupling
     its GPIO implementation from the standard way of handling GPIO. As
     it turns out, that is not the only subsystem it reimplements and
     the authors think it is better do scratch it and start over using
     the proper kernel subsystems than try to polish the rust shiny. See
     the commit (ACKed by the maintainers) for details.

   - Arnd made a small devres patch that was ACKed by Greg and goes into
     the device core.

   - SPDX header change colissions may happen, because at times I've
     seen that quite a lot changed during the -rc:s in regards to SPDX.
     (It is good stuff, tglx has me convinced, and it is worth the
     occasional pain.)

  Apart from this is is nothing controversial or problematic.

  Summary:

  Core:

   - When a gpio_chip request GPIOs from itself, it can now fully
     control the line characteristics, both machine and consumer flags.
     This makes a lot of sense, but took some time before I figured out
     that this is how it has to work.

   - Several smallish documentation fixes.

  New drivers:

   - The PCA953x driver now supports the TI TCA9539.

   - The DaVinci driver now supports the K3 AM654 SoCs.

  Driver improvements:

   - Major overhaul and hardening of the OMAP driver by Russell King.

   - Starting to move some drivers to the new API passing irq_chip along
     with the gpio_chip when adding the gpio_chip instead of adding it
     separately.

  Unrelated:

   - Delete the FMC subsystem"

* tag 'gpio-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
  Revert "gpio: tegra: Clean-up debugfs initialisation"
  gpiolib: Use spinlock_t instead of struct spinlock
  gpio: stp-xway: allow compile-testing
  gpio: stp-xway: get rid of the #include <lantiq_soc.h> dependency
  gpio: stp-xway: improve module clock error handling
  gpio: stp-xway: simplify error handling in xway_stp_probe()
  gpiolib: Clarify use of non-sleeping functions
  gpiolib: Fix references to gpiod_[gs]et_*value_cansleep() variants
  gpiolib: Document new gpio_chip.init_valid_mask field
  Documentation: gpio: Fix reference to gpiod_get_array()
  gpio: pl061: drop duplicate printing of device name
  gpio: altera: Pass irqchip when adding gpiochip
  gpio: siox: Use devm_ managed gpiochip
  gpio: siox: Add struct device *dev helper variable
  gpio: siox: Pass irqchip when adding gpiochip
  drivers: gpio: amd-fch: make resource struct const
  devres: allow const resource arguments
  gpio: ath79: Pass irqchip when adding gpiochip
  gpio: tegra: Clean-up debugfs initialisation
  gpio: siox: Switch to IRQ_TYPE_NONE
  ...
2019-07-09 09:07:00 -07:00
Linus Torvalds
96407298ff * Drop support for 10-bit I2C addresses
* Add support for limited bus mode
 * Fix the Cadence DT binding doc
 * Use struct_size() to allocate a DEFSLVS packet
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Merge tag 'i3c/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull ic3 updates from Boris Brezillon:

 - Drop support for 10-bit I2C addresses

 - Add support for limited bus mode

 - Fix the Cadence DT binding doc

 - Use struct_size() to allocate a DEFSLVS packet

* tag 'i3c/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  i3c: master: Use struct_size() helper
  dt-bindings: i3c: cdns: Use correct cells for I2C device
  i3c: dw: add limited bus mode support
  i3c: add mixed limited bus mode
  i3c: fix i2c and i3c scl rate by bus mode
  dt-bindings: i3c: Document dropped support for I2C 10 bit devices
  i3c: Drop support for I2C 10 bit addresing
2019-07-09 09:04:31 -07:00
Linus Torvalds
8a3367cc80 LED updates for 5.3-rc1
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Merge tag 'leds-for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:

 - Add a new LED common module for ti-lmu driver family

 - Modify MFD ti-lmu bindings
        - add ti,brightness-resolution
        - add the ramp up/down property

 - Add regulator support for LM36274 driver to lm363x-regulator.c

 - New LED class drivers with DT bindings:
        - leds-spi-byte
        - leds-lm36274
        - leds-lm3697 (move the support from MFD to LED subsystem)

 - Simplify getting the I2C adapter of a client:
        - leds-tca6507
        - leds-pca955x

 - Convert LED documentation to ReST

* tag 'leds-for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  dt: leds-lm36274.txt: fix a broken reference to ti-lmu.txt
  docs: leds: convert to ReST
  leds: leds-tca6507: simplify getting the adapter of a client
  leds: leds-pca955x: simplify getting the adapter of a client
  leds: lm36274: Introduce the TI LM36274 LED driver
  dt-bindings: leds: Add LED bindings for the LM36274
  regulator: lm363x: Add support for LM36274
  mfd: ti-lmu: Add LM36274 support to the ti-lmu
  dt-bindings: mfd: Add lm36274 bindings to ti-lmu
  leds: max77650: Remove set but not used variable 'parent'
  leds: avoid flush_work in atomic context
  leds: lm3697: Introduce the lm3697 driver
  mfd: ti-lmu: Remove support for LM3697
  dt-bindings: ti-lmu: Modify dt bindings for the LM3697
  leds: TI LMU: Add common code for TI LMU devices
  leds: spi-byte: add single byte SPI LED driver
  dt-bindings: leds: Add binding for spi-byte LED.
  dt-bindings: mfd: LMU: Add ti,brightness-resolution
  dt-bindings: mfd: LMU: Add the ramp up/down property
2019-07-09 08:59:39 -07:00
Linus Torvalds
6e2bbb688a pwm: Changes for v5.3-rc1
This set of changes contains a new driver for SiFive SoCs as well as
 enhancements to the core (device links are used to track dependencies
 between PWM providers and consumers, support for PWM controllers via
 ACPI, sysfs will now suspend/resume PWMs that it has claimed) and
 various existing drivers.
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Merge tag 'pwm/for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set of changes contains a new driver for SiFive SoCs as well as
  enhancements to the core (device links are used to track dependencies
  between PWM providers and consumers, support for PWM controllers via
  ACPI, sysfs will now suspend/resume PWMs that it has claimed) and
  various existing drivers"

* tag 'pwm/for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (37 commits)
  pwm: fsl-ftm: Make sure to unlock mutex on failure
  pwm: fsl-ftm: Use write protection for prescaler & polarity
  pwm: fsl-ftm: More relaxed permissions for updating period
  pwm: atmel-hlcdc: Add compatible for SAM9X60 HLCDC's PWM
  pwm: bcm2835: Improve precision of PWM
  leds: pwm: Support ACPI via firmware-node framework
  pwm: Add support referencing PWMs from ACPI
  pwm: rcar: Remove suspend/resume support
  pwm: sysfs: Add suspend/resume support
  pwm: Add power management descriptions
  pwm: meson: Add documentation to the driver
  pwm: meson: Add support PWM_POLARITY_INVERSED when disabling
  pwm: meson: Don't cache struct pwm_state internally
  pwm: meson: Read the full hardware state in meson_pwm_get_state()
  pwm: meson: Simplify the calculation of the pre-divider and count
  pwm: meson: Move pwm_set_chip_data() to meson_pwm_request()
  pwm: meson: Add the per-channel register offsets and bits in a struct
  pwm: meson: Add the meson_pwm_channel data to struct meson_pwm
  pwm: meson: Pass struct pwm_device to meson_pwm_calc()
  pwm: meson: Don't duplicate the polarity internally
  ...
2019-07-09 08:57:45 -07:00
Linus Torvalds
5ad18b2e60 Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull force_sig() argument change from Eric Biederman:
 "A source of error over the years has been that force_sig has taken a
  task parameter when it is only safe to use force_sig with the current
  task.

  The force_sig function is built for delivering synchronous signals
  such as SIGSEGV where the userspace application caused a synchronous
  fault (such as a page fault) and the kernel responded with a signal.

  Because the name force_sig does not make this clear, and because the
  force_sig takes a task parameter the function force_sig has been
  abused for sending other kinds of signals over the years. Slowly those
  have been fixed when the oopses have been tracked down.

  This set of changes fixes the remaining abusers of force_sig and
  carefully rips out the task parameter from force_sig and friends
  making this kind of error almost impossible in the future"

* 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (27 commits)
  signal/x86: Move tsk inside of CONFIG_MEMORY_FAILURE in do_sigbus
  signal: Remove the signal number and task parameters from force_sig_info
  signal: Factor force_sig_info_to_task out of force_sig_info
  signal: Generate the siginfo in force_sig
  signal: Move the computation of force into send_signal and correct it.
  signal: Properly set TRACE_SIGNAL_LOSE_INFO in __send_signal
  signal: Remove the task parameter from force_sig_fault
  signal: Use force_sig_fault_to_task for the two calls that don't deliver to current
  signal: Explicitly call force_sig_fault on current
  signal/unicore32: Remove tsk parameter from __do_user_fault
  signal/arm: Remove tsk parameter from __do_user_fault
  signal/arm: Remove tsk parameter from ptrace_break
  signal/nds32: Remove tsk parameter from send_sigtrap
  signal/riscv: Remove tsk parameter from do_trap
  signal/sh: Remove tsk parameter from force_sig_info_fault
  signal/um: Remove task parameter from send_sigtrap
  signal/x86: Remove task parameter from send_sigtrap
  signal: Remove task parameter from force_sig_mceerr
  signal: Remove task parameter from force_sig
  signal: Remove task parameter from force_sigsegv
  ...
2019-07-08 21:48:15 -07:00
Linus Torvalds
92c1d65221 Merge branch 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
 "Documentation updates and the addition of cgroup_parse_float() which
  will be used by new controllers including blk-iocost"

* 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  docs: cgroup-v1: convert docs to ReST and rename to *.rst
  cgroup: Move cgroup_parse_float() implementation out of CONFIG_SYSFS
  cgroup: add cgroup_parse_float()
2019-07-08 21:35:12 -07:00
Linus Torvalds
df2a40f549 Merge branch 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo:
 "Just a couple cleanup patches.  No functional changes."

* 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Remove GPF argument from alloc_workqueue_attrs()
  workqueue: Make alloc/apply/free_workqueue_attrs() static
2019-07-08 21:10:01 -07:00
Linus Torvalds
2b49350b16 ARM updates:
- Add a "cut here" to make it clearer where oops dumps should be cut
   from - we already have a marker for the end of the dumps.
 - Add logging severity to show_pte()
 - Drop unnecessary common-page-size linker flag
 - Errata workarounds for Cortex A12 857271, Cortex A17 857272 and
   Cortex A7 814220.
 - Remove some unused variables that had started to provoke a compiler
   warning.
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - Add a "cut here" to make it clearer where oops dumps should be cut
   from - we already have a marker for the end of the dumps.

 - Add logging severity to show_pte()

 - Drop unnecessary common-page-size linker flag

 - Errata workarounds for Cortex A12 857271, Cortex A17 857272 and
   Cortex A7 814220.

 - Remove some unused variables that had started to provoke a compiler
   warning.

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8863/1: stm32: select ARM errata 814220
  ARM: 8862/1: errata: 814220-B-Cache maintenance by set/way operations can execute out of order
  ARM: 8865/1: mm: remove unused variables
  ARM: 8864/1: Add workaround for I-Cache line size mismatch between CPU cores
  ARM: 8861/1: errata: Workaround errata A12 857271 / A17 857272
  ARM: 8860/1: VDSO: Drop implicit common-page-size linker flag
  ARM: arrange show_pte() to issue severity-based messages
  ARM: add "8<--- cut here ---" to kernel dumps
2019-07-08 21:08:34 -07:00
Linus Torvalds
4d2fa8b44b Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
 "Here is the crypto update for 5.3:

  API:
   - Test shash interface directly in testmgr
   - cra_driver_name is now mandatory

  Algorithms:
   - Replace arc4 crypto_cipher with library helper
   - Implement 5 way interleave for ECB, CBC and CTR on arm64
   - Add xxhash
   - Add continuous self-test on noise source to drbg
   - Update jitter RNG

  Drivers:
   - Add support for SHA204A random number generator
   - Add support for 7211 in iproc-rng200
   - Fix fuzz test failures in inside-secure
   - Fix fuzz test failures in talitos
   - Fix fuzz test failures in qat"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (143 commits)
  crypto: stm32/hash - remove interruptible condition for dma
  crypto: stm32/hash - Fix hmac issue more than 256 bytes
  crypto: stm32/crc32 - rename driver file
  crypto: amcc - remove memset after dma_alloc_coherent
  crypto: ccp - Switch to SPDX license identifiers
  crypto: ccp - Validate the the error value used to index error messages
  crypto: doc - Fix formatting of new crypto engine content
  crypto: doc - Add parameter documentation
  crypto: arm64/aes-ce - implement 5 way interleave for ECB, CBC and CTR
  crypto: arm64/aes-ce - add 5 way interleave routines
  crypto: talitos - drop icv_ool
  crypto: talitos - fix hash on SEC1.
  crypto: talitos - move struct talitos_edesc into talitos.h
  lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE
  crypto/NX: Set receive window credits to max number of CRBs in RxFIFO
  crypto: asymmetric_keys - select CRYPTO_HASH where needed
  crypto: serpent - mark __serpent_setkey_sbox noinline
  crypto: testmgr - dynamically allocate crypto_shash
  crypto: testmgr - dynamically allocate testvec_config
  crypto: talitos - eliminate unneeded 'done' functions at build time
  ...
2019-07-08 20:57:08 -07:00
Linus Torvalds
8b68150883 Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity updates from Mimi Zohar:
 "Bug fixes, code clean up, and new features:

   - IMA policy rules can be defined in terms of LSM labels, making the
     IMA policy dependent on LSM policy label changes, in particular LSM
     label deletions. The new environment, in which IMA-appraisal is
     being used, frequently updates the LSM policy and permits LSM label
     deletions.

   - Prevent an mmap'ed shared file opened for write from also being
     mmap'ed execute. In the long term, making this and other similar
     changes at the VFS layer would be preferable.

   - The IMA per policy rule template format support is needed for a
     couple of new/proposed features (eg. kexec boot command line
     measurement, appended signatures, and VFS provided file hashes).

   - Other than the "boot-aggregate" record in the IMA measuremeent
     list, all other measurements are of file data. Measuring and
     storing the kexec boot command line in the IMA measurement list is
     the first buffer based measurement included in the measurement
     list"

* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  integrity: Introduce struct evm_xattr
  ima: Update MAX_TEMPLATE_NAME_LEN to fit largest reasonable definition
  KEXEC: Call ima_kexec_cmdline to measure the boot command line args
  IMA: Define a new template field buf
  IMA: Define a new hook to measure the kexec boot command line arguments
  IMA: support for per policy rule template formats
  integrity: Fix __integrity_init_keyring() section mismatch
  ima: Use designated initializers for struct ima_event_data
  ima: use the lsm policy update notifier
  LSM: switch to blocking policy update notifiers
  x86/ima: fix the Kconfig dependency for IMA_ARCH_POLICY
  ima: Make arch_policy_entry static
  ima: prevent a file already mmap'ed write to be mmap'ed execute
  x86/ima: check EFI SetupMode too
2019-07-08 20:28:59 -07:00
Linus Torvalds
0f75ef6a9c Keyrings ACL
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Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull keyring ACL support from David Howells:
 "This changes the permissions model used by keys and keyrings to be
  based on an internal ACL by the following means:

   - Replace the permissions mask internally with an ACL that contains a
     list of ACEs, each with a specific subject with a permissions mask.
     Potted default ACLs are available for new keys and keyrings.

     ACE subjects can be macroised to indicate the UID and GID specified
     on the key (which remain). Future commits will be able to add
     additional subject types, such as specific UIDs or domain
     tags/namespaces.

     Also split a number of permissions to give finer control. Examples
     include splitting the revocation permit from the change-attributes
     permit, thereby allowing someone to be granted permission to revoke
     a key without allowing them to change the owner; also the ability
     to join a keyring is split from the ability to link to it, thereby
     stopping a process accessing a keyring by joining it and thus
     acquiring use of possessor permits.

   - Provide a keyctl to allow the granting or denial of one or more
     permits to a specific subject. Direct access to the ACL is not
     granted, and the ACL cannot be viewed"

* tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  keys: Provide KEYCTL_GRANT_PERMISSION
  keys: Replace uid/gid/perm permissions checking with an ACL
2019-07-08 19:56:57 -07:00
Linus Torvalds
c84ca912b0 Keyrings namespacing
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Merge tag 'keys-namespace-20190627' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull keyring namespacing from David Howells:
 "These patches help make keys and keyrings more namespace aware.

  Firstly some miscellaneous patches to make the process easier:

   - Simplify key index_key handling so that the word-sized chunks
     assoc_array requires don't have to be shifted about, making it
     easier to add more bits into the key.

   - Cache the hash value in the key so that we don't have to calculate
     on every key we examine during a search (it involves a bunch of
     multiplications).

   - Allow keying_search() to search non-recursively.

  Then the main patches:

   - Make it so that keyring names are per-user_namespace from the point
     of view of KEYCTL_JOIN_SESSION_KEYRING so that they're not
     accessible cross-user_namespace.

     keyctl_capabilities() shows KEYCTL_CAPS1_NS_KEYRING_NAME for this.

   - Move the user and user-session keyrings to the user_namespace
     rather than the user_struct. This prevents them propagating
     directly across user_namespaces boundaries (ie. the KEY_SPEC_*
     flags will only pick from the current user_namespace).

   - Make it possible to include the target namespace in which the key
     shall operate in the index_key. This will allow the possibility of
     multiple keys with the same description, but different target
     domains to be held in the same keyring.

     keyctl_capabilities() shows KEYCTL_CAPS1_NS_KEY_TAG for this.

   - Make it so that keys are implicitly invalidated by removal of a
     domain tag, causing them to be garbage collected.

   - Institute a network namespace domain tag that allows keys to be
     differentiated by the network namespace in which they operate. New
     keys that are of a type marked 'KEY_TYPE_NET_DOMAIN' are assigned
     the network domain in force when they are created.

   - Make it so that the desired network namespace can be handed down
     into the request_key() mechanism. This allows AFS, NFS, etc. to
     request keys specific to the network namespace of the superblock.

     This also means that the keys in the DNS record cache are
     thenceforth namespaced, provided network filesystems pass the
     appropriate network namespace down into dns_query().

     For DNS, AFS and NFS are good, whilst CIFS and Ceph are not. Other
     cache keyrings, such as idmapper keyrings, also need to set the
     domain tag - for which they need access to the network namespace of
     the superblock"

* tag 'keys-namespace-20190627' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  keys: Pass the network namespace into request_key mechanism
  keys: Network namespace domain tag
  keys: Garbage collect keys for which the domain has been removed
  keys: Include target namespace in match criteria
  keys: Move the user and user-session keyrings to the user_namespace
  keys: Namespace keyring names
  keys: Add a 'recurse' flag for keyring searches
  keys: Cache the hash value to avoid lots of recalculation
  keys: Simplify key description management
2019-07-08 19:36:47 -07:00
Linus Torvalds
c236b6dd48 request_key improvements
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Merge tag 'keys-request-20190626' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull request_key improvements from David Howells:
 "These are all request_key()-related, including a fix and some improvements:

   - Fix the lack of a Link permission check on a key found by
     request_key(), thereby enabling request_key() to link keys that
     don't grant this permission to the target keyring (which must still
     grant Write permission).

     Note that the key must be in the caller's keyrings already to be
     found.

   - Invalidate used request_key authentication keys rather than
     revoking them, so that they get cleaned up immediately rather than
     hanging around till the expiry time is passed.

   - Move the RCU locks outwards from the keyring search functions so
     that a request_key_rcu() can be provided. This can be called in RCU
     mode, so it can't sleep and can't upcall - but it can be called
     from LOOKUP_RCU pathwalk mode.

   - Cache the latest positive result of request_key*() temporarily in
     task_struct so that filesystems that make a lot of request_key()
     calls during pathwalk can take advantage of it to avoid having to
     redo the searching. This requires CONFIG_KEYS_REQUEST_CACHE=y.

     It is assumed that the key just found is likely to be used multiple
     times in each step in an RCU pathwalk, and is likely to be reused
     for the next step too.

     Note that the cleanup of the cache is done on TIF_NOTIFY_RESUME,
     just before userspace resumes, and on exit"

* tag 'keys-request-20190626' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  keys: Kill off request_key_async{,_with_auxdata}
  keys: Cache result of request_key*() temporarily in task_struct
  keys: Provide request_key_rcu()
  keys: Move the RCU locks outwards from the keyring search functions
  keys: Invalidate used request_key authentication keys
  keys: Fix request_key() lack of Link perm check on found key
2019-07-08 19:19:37 -07:00
Linus Torvalds
d44a62742d Keyrings miscellany
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Merge tag 'keys-misc-20190619' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull misc keyring updates from David Howells:
 "These are some miscellaneous keyrings fixes and improvements:

   - Fix a bunch of warnings from sparse, including missing RCU bits and
     kdoc-function argument mismatches

   - Implement a keyctl to allow a key to be moved from one keyring to
     another, with the option of prohibiting key replacement in the
     destination keyring.

   - Grant Link permission to possessors of request_key_auth tokens so
     that upcall servicing daemons can more easily arrange things such
     that only the necessary auth key is passed to the actual service
     program, and not all the auth keys a daemon might possesss.

   - Improvement in lookup_user_key().

   - Implement a keyctl to allow keyrings subsystem capabilities to be
     queried.

  The keyutils next branch has commits to make available, document and
  test the move-key and capabilities code:

        https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/keyutils.git/log

  They're currently on the 'next' branch"

* tag 'keys-misc-20190619' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  keys: Add capability-checking keyctl function
  keys: Reuse keyring_index_key::desc_len in lookup_user_key()
  keys: Grant Link permission to possessers of request_key auth keys
  keys: Add a keyctl to move a key between keyrings
  keys: Hoist locking out of __key_link_begin()
  keys: Break bits out of key_unlink()
  keys: Change keyring_serialise_link_sem to a mutex
  keys: sparse: Fix kdoc mismatches
  keys: sparse: Fix incorrect RCU accesses
  keys: sparse: Fix key_fs[ug]id_changed()
2019-07-08 19:02:11 -07:00
Linus Torvalds
7c0f896348 selinux/stable-5.3 PR 20190702
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Merge tag 'selinux-pr-20190702' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull selinux updates from Paul Moore:
 "Like the audit pull request this is a little early due to some
  upcoming vacation plans and uncertain network access while I'm away.
  Also like the audit PR, the list of patches here is pretty minor, the
  highlights include:

   - Explicitly use __le variables to make sure "sparse" can verify
     proper byte endian handling.

   - Remove some BUG_ON()s that are no longer needed.

   - Allow zero-byte writes to the "keycreate" procfs attribute without
     requiring key:create to make it easier for userspace to reset the
     keycreate label.

   - Consistently log the "invalid_context" field as an untrusted string
     in the AUDIT_SELINUX_ERR audit records"

* tag 'selinux-pr-20190702' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
  selinux: format all invalid context as untrusted
  selinux: fix empty write to keycreate file
  selinux: remove some no-op BUG_ONs
  selinux: provide __le variables explicitly
2019-07-08 18:59:56 -07:00
Linus Torvalds
61fc5771f5 audit/stable-5.3 PR 20190702
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Merge tag 'audit-pr-20190702' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit updates from Paul Moore:
 "This pull request is a bit early, but with some vacation time coming
  up I wanted to send this out now just in case the remote Internet Gods
  decide not to smile on me once the merge window opens. The patchset
  for v5.3 is pretty minor this time, the highlights include:

   - When the audit daemon is sent a signal, ensure we deliver
     information about the sender even when syscall auditing is not
     enabled/supported.

   - Add the ability to filter audit records based on network address
     family.

   - Tighten the audit field filtering restrictions on string based
     fields.

   - Cleanup the audit field filtering verification code.

   - Remove a few BUG() calls from the audit code"

* tag 'audit-pr-20190702' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: remove the BUG() calls in the audit rule comparison functions
  audit: enforce op for string fields
  audit: add saddr_fam filter field
  audit: re-structure audit field valid checks
  audit: deliver signal_info regarless of syscall
2019-07-08 18:55:42 -07:00
Linus Torvalds
884922591e tpmdd updates for Linux v5.3
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Merge tag 'tpmdd-next-20190625' of git://git.infradead.org/users/jjs/linux-tpmdd

Pull tpm updates from Jarkko Sakkinen:
 "This contains two critical bug fixes and support for obtaining TPM
  events triggered by ExitBootServices().

  For the latter I have to give a quite verbose explanation not least
  because I had to revisit all the details myself to remember what was
  going on in Matthew's patches.

  The preboot software stack maintains an event log that gets entries
  every time something gets hashed to any of the PCR registers. What
  gets hashed could be a component to be run or perhaps log of some
  actions taken just to give couple of coarse examples. In general,
  anything relevant for the boot process that the preboot software does
  gets hashed and a log entry with a specific event type [1].

  The main application for this is remote attestation and the reason why
  it is useful is nicely put in the very first section of [1]:

     "Attestation is used to provide information about the platform’s
      state to a challenger. However, PCR contents are difficult to
      interpret; therefore, attestation is typically more useful when
      the PCR contents are accompanied by a measurement log. While not
      trusted on their own, the measurement log contains a richer set of
      information than do the PCR contents. The PCR contents are used to
      provide the validation of the measurement log."

  Because EFI_TCG2_PROTOCOL.GetEventLog() is not available after calling
  ExitBootServices(), Linux EFI stub copies the event log to a custom
  configuration table. Unfortunately, ExitBootServices() also generates
  events and obviously these events do not get copied to that table.
  Luckily firmware does this for us by providing a configuration table
  identified by EFI_TCG2_FINAL_EVENTS_TABLE_GUID.

  This essentially contains necessary changes to provide the full event
  log for the use the user space that is concatenated from these two
  partial event logs [2]"

[1] https://trustedcomputinggroup.org/resource/pc-client-specific-platform-firmware-profile-specification/
[2] The final concatenation is done in drivers/char/tpm/eventlog/efi.c

* tag 'tpmdd-next-20190625' of git://git.infradead.org/users/jjs/linux-tpmdd:
  tpm: Don't duplicate events from the final event log in the TCG2 log
  Abstract out support for locating an EFI config table
  tpm: Fix TPM 1.2 Shutdown sequence to prevent future TPM operations
  efi: Attempt to get the TCG2 event log in the boot stub
  tpm: Append the final event log to the TPM event log
  tpm: Reserve the TPM final events table
  tpm: Abstract crypto agile event size calculations
  tpm: Actually fail on TPM errors during "get random"
2019-07-08 18:47:42 -07:00
Linus Torvalds
222a21d295 Merge branch 'x86-topology-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 topology updates from Ingo Molnar:
 "Implement multi-die topology support on Intel CPUs and expose the die
  topology to user-space tooling, by Len Brown, Kan Liang and Zhang Rui.

  These changes should have no effect on the kernel's existing
  understanding of topologies, i.e. there should be no behavioral impact
  on cache, NUMA, scheduler, perf and other topologies and overall
  system performance"

* 'x86-topology-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/rapl: Cosmetic rename internal variables in response to multi-die/pkg support
  perf/x86/intel/uncore: Cosmetic renames in response to multi-die/pkg support
  hwmon/coretemp: Cosmetic: Rename internal variables to zones from packages
  thermal/x86_pkg_temp_thermal: Cosmetic: Rename internal variables to zones from packages
  perf/x86/intel/cstate: Support multi-die/package
  perf/x86/intel/rapl: Support multi-die/package
  perf/x86/intel/uncore: Support multi-die/package
  topology: Create core_cpus and die_cpus sysfs attributes
  topology: Create package_cpus sysfs attribute
  hwmon/coretemp: Support multi-die/package
  powercap/intel_rapl: Update RAPL domain name and debug messages
  thermal/x86_pkg_temp_thermal: Support multi-die/package
  powercap/intel_rapl: Support multi-die/package
  powercap/intel_rapl: Simplify rapl_find_package()
  x86/topology: Define topology_logical_die_id()
  x86/topology: Define topology_die_id()
  cpu/topology: Export die_id
  x86/topology: Create topology_max_die_per_package()
  x86/topology: Add CPUID.1F multi-die/package support
2019-07-08 18:28:44 -07:00
Linus Torvalds
8faef7125d Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updayes from Ingo Molnar:
 "Most of the commits add ACRN hypervisor guest support, plus two
  cleanups"

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/jailhouse: Mark jailhouse_x2apic_available() as __init
  x86/platform/geode: Drop <linux/gpio.h> includes
  x86/acrn: Use HYPERVISOR_CALLBACK_VECTOR for ACRN guest upcall vector
  x86: Add support for Linux guests on an ACRN hypervisor
  x86/Kconfig: Add new X86_HV_CALLBACK_VECTOR config symbol
2019-07-08 17:49:45 -07:00
Linus Torvalds
da17702385 Merge branch 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 paravirt updates from Ingo Molnar:
 "A handful of paravirt patching code enhancements to make it more
  robust against patching failures, and related cleanups and not so
  related cleanups - by Thomas Gleixner and myself"

* 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/paravirt: Rename paravirt_patch_site::instrtype to paravirt_patch_site::type
  x86/paravirt: Standardize 'insn_buff' variable names
  x86/paravirt: Match paravirt patchlet field definition ordering to initialization ordering
  x86/paravirt: Replace the paravirt patch asm magic
  x86/paravirt: Unify the 32/64 bit paravirt patching code
  x86/paravirt: Detect over-sized patching bugs in paravirt_patch_call()
  x86/paravirt: Detect over-sized patching bugs in paravirt_patch_insns()
  x86/paravirt: Remove bogus extern declarations
2019-07-08 17:34:44 -07:00
Linus Torvalds
3431a940bb Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 AVX512 status update from Ingo Molnar:
 "This adds a new ABI that the main scheduler probably doesn't want to
  deal with but HPC job schedulers might want to use: the
  AVX512_elapsed_ms field in the new /proc/<pid>/arch_status task status
  file, which allows the user-space job scheduler to cluster such tasks,
  to avoid turbo frequency drops"

* 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation/filesystems/proc.txt: Add arch_status file
  x86/process: Add AVX-512 usage elapsed time to /proc/pid/arch_status
  proc: Add /proc/<pid>/arch_status
2019-07-08 17:28:57 -07:00
Linus Torvalds
5b7a209523 Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
 "Misc small cleanups: removal of superfluous code and coding style
  cleanups mostly"

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kexec: Make variable static and config dependent
  x86/defconfigs: Remove useless UEVENT_HELPER_PATH
  x86/amd_nb: Make hygon_nb_misc_ids static
  x86/tsc: Move inline keyword to the beginning of function declarations
  x86/io_delay: Define IO_DELAY macros in C instead of Kconfig
  x86/io_delay: Break instead of fallthrough in switch statement
2019-07-08 17:27:24 -07:00
Linus Torvalds
6cfcdad763 Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache resource control update from Ingo Molnar:
 "Two cleanup patches"

* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/resctrl: Cleanup cbm_ensure_valid()
  x86/resctrl: Use _ASM_BX to avoid ifdeffery
2019-07-08 17:25:53 -07:00