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708,694 commits

Author SHA1 Message Date
Rafael J. Wysocki
8915aa2042 PM / sleep: Mark suspend/hibernation start and finish
Regardless of whether or not debug messages from the core system
suspend/hibernation code are enabled, it is useful to know when
system-wide transitions start and finish (or fail), so print "info"
messages at these points.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Mark Salyzyn <salyzyn@android.com>
2017-07-22 02:33:03 +02:00
Rafael J. Wysocki
8d8b2441db PM / sleep: Do not print debug messages by default
Debug messages from the system suspend/hibernation infrastructure can
fill up the entire kernel log buffer in some cases and anyway they
are only useful for debugging.  They depend on CONFIG_PM_DEBUG, but
that is set as a rule as some generally useful diagnostic facilities
depend on it too.

For this reason, avoid printing those messages by default, but make
it possible to turn them on as needed with the help of a new sysfs
attribute under /sys/power/.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 02:31:27 +02:00
Florian Fainelli
bd8c9ba3b1 PM / suspend: Export pm_suspend_target_state
Have the core suspend/resume framework store the system-wide suspend
state (suspend_state_t) we are about to enter, and expose it to drivers
via pm_suspend_target_state in order to retrieve that. The state is
assigned in suspend_devices_and_enter().

This is useful for platform specific drivers that may need to take a
slightly different suspend/resume path based on the system's
suspend/resume state being entered.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 02:30:15 +02:00
Viresh Kumar
aa7519af45 cpufreq: Use transition_delay_us for legacy governors as well
The policy->transition_delay_us field is used only by the schedutil
governor currently, and this field describes how fast the driver wants
the cpufreq governor to change CPUs frequency. It should rather be a
common thing across all governors, as it doesn't have any schedutil
dependency here.

Create a new helper cpufreq_policy_transition_delay_us() to get the
transition delay across all governors.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 02:25:20 +02:00
Viresh Kumar
2d04503632 cpufreq: governor: Drop min_sampling_rate
The cpufreq core and governors aren't supposed to set a limit on how
fast we want to try changing the frequency. This is currently done for
the legacy governors with help of min_sampling_rate.

At worst, we may end up setting the sampling rate to a value lower than
the rate at which frequency can be changed and then one of the CPUs in
the policy will be only changing frequency for ever.

But that is something for the user to decide and there is no need to
have special handling for such cases in the core. Leave it for the user
to figure out.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 02:25:20 +02:00
Marc Gonzalez
9dbd224f9e cpufreq: dt: Don't use generic platdev driver for tango
On tango platforms, firmware configures the CPU clock, and Linux is
then only allowed to use the cpu_clk_divider to change the frequency.
Build the OPP table dynamically at init, in order to support whatever
firmware throws at us.

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 02:20:59 +02:00
Sean Wang
bb33270c02 dt-bindings: cpufreq: enhance MediaTek cpufreq dt-binding document
Update binding document with adding operating-points-v2 as the required
property and the cooling level as the optional properties and adding more
examples guiding people how to use MediaTek cpufreq driver for MediaTek
SoCs.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 02:19:38 +02:00
Sean Wang
7e17ae8657 dt-bindings: cpufreq: move MediaTek cpufreq dt-bindings document to proper place
The old place is Documentation/devicetree/bindings/clock/ that would
let people hard to find how to use MediaTek cpufreq driver, so moving
it to the appropriate place as other cpufreq drivers done would be
better.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 02:19:38 +02:00
Sean Wang
501c574f4e cpufreq: mediatek: Add support of cpufreq to MT2701/MT7623 SoC
MT2701/MT7623 is a 32-bit ARMv7 based quad-core (4 * Cortex-A7) with
single cluster and this hardware is also compatible with the existing
driver through enabling CPU frequency feature with operating-points-v2
bindings. Also, this driver actually supports all MediaTek SoCs, the
Kconfig menu entry and file name itself should be updated with more
generic name to drop "MT8173"

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 02:19:37 +02:00
Todd E Brandt
2158e7244d pm-graph: package makefile and man pages
update help text and man pages for both tools
- added more examples and separated them by category
Makefile upgrades
- uninstall: remove errors from uninstall if tool not found
- install: perform uninstall before install

Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 01:56:14 +02:00
Todd E Brandt
370f4c2324 pm-graph: AnalyzeBoot v2.1
- changed output from single html file to dir with html/dmesg/ftrace
- add sysinfo to logs and timeline
- add -sysinfo command, displays dmidecode values and cpu/mem info
- set trace buffer size to lesser of memtotal/2 or 2GB when using callgraph
- extended timeline to the last init call in user space
  separated timeline into two phases, kernel mode & user mode
- add kernel version check for ftrace usage, 4.10 minimum
- change -filter argument to -func
- add strict protections on -func usage with full symbol checks
  now only works for statically linked functions
  cmd -flistall now ignores all loadable module functions
- add -cgfilter argument for reducing timeline size by removing callgraphs
- crontab usage: preserve existing @reboot lines in user crontab
- fedora support added: uses grub2 loader, handles fedora crontab
- stop using "which" to find binaries, search pre-defined path list
- moved most output processing to analyze_suspend library

Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 01:56:13 +02:00
Todd E Brandt
49218edd64 pm-graph: AnalyzeSuspend v4.7
- changed -rtcwake parameter to be on & 15 sec by default,
  to disable rtcwake use: "-rtcwake off"
- changed behavior of -o: renames HTML file on rerun, subdir on new run
- changed execution_misalignment error to missing_function_name
- add sysinfo to logs and timeline via a custom dmidecode call
  it supplants dmidecode tool when used as a library call
- add -sysinfo command, displays dmidecode values and cpu/mem info
- set trace buffer size to lesser of memtotal/2 or 2GB when using callgraph
- add support for /sys/power/mem_sleep. if mem_sleep found:
  mem-shallow=standby, mem-s2idle=freeze, mem-deep=mem
- remove redundant javascript
- cosmetic changes to HTML layout

Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 01:56:13 +02:00
Linus Torvalds
505d5c1119 NFS client bugfixes for 4.13
Stable bugfixes:
 - Fix error reporting regression
 
 Bugfixes:
 - Fix setting filelayout ds address race
 - Fix subtle access bug when using ACLs
 - Fix setting mnt3_counts array size
 - Fix a couple of pNFS commit races
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Merge tag 'nfs-for-4.13-2' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client bugfixes from Anna Schumaker:
 "Stable bugfix:
   - Fix error reporting regression

  Bugfixes:
   - Fix setting filelayout ds address race
   - Fix subtle access bug when using ACLs
   - Fix setting mnt3_counts array size
   - Fix a couple of pNFS commit races"

* tag 'nfs-for-4.13-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
  NFS/filelayout: Fix racy setting of fl->dsaddr in filelayout_check_deviceid()
  NFS: Be more careful about mapping file permissions
  NFS: Store the raw NFS access mask in the inode's access cache
  NFSv3: Convert nfs3_proc_access() to use nfs_access_set_mask()
  NFS: Refactor NFS access to kernel access mask calculation
  net/sunrpc/xprt_sock: fix regression in connection error reporting.
  nfs: count correct array for mnt3_counts array size
  Revert commit 722f0b8911 ("pNFS: Don't send COMMITs to the DSes if...")
  pNFS/flexfiles: Handle expired layout segments in ff_layout_initiate_commit()
  NFS: Fix another COMMIT race in pNFS
  NFS: Fix a COMMIT race in pNFS
  mount: copy the port field into the cloned nfs_server structure.
  NFS: Don't run wake_up_bit() when nobody is waiting...
  nfs: add export operations
2017-07-21 16:26:01 -07:00
Linus Torvalds
99313414dd Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
 "This fixes a crash with SELinux and several other old and new bugs"

* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: check for bad and whiteout index on lookup
  ovl: do not cleanup directory and whiteout index entries
  ovl: fix xattr get and set with selinux
  ovl: remove unneeded check for IS_ERR()
  ovl: fix origin verification of index dir
  ovl: mark parent impure on ovl_link()
  ovl: fix random return value on mount
2017-07-21 16:24:22 -07:00
Alexey Khoroshilov
972777171f platform/x86: wmi: Fix error handling in acpi_wmi_init()
The order of resource deallocations is messed up in acpi_wmi_init().
It should be vice versa.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-07-21 16:21:03 -07:00
Linus Torvalds
0151ef0085 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
 "A small set of fixes for -rc2 - two fixes for BFQ, documentation and
  code, and a removal of an unused variable in nbd. Outside of that, a
  small collection of fixes from the usual crew on the nvme side"

* 'for-linus' of git://git.kernel.dk/linux-block:
  nvmet: don't report 0-bytes in serial number
  nvmet: preserve controller serial number between reboots
  nvmet: Move serial number from controller to subsystem
  nvmet: prefix version configfs file with attr
  nvme-pci: Fix an error handling path in 'nvme_probe()'
  nvme-pci: Remove nvme_setup_prps BUG_ON
  nvme-pci: add another device ID with stripe quirk
  nvmet-fc: fix byte swapping in nvmet_fc_ls_create_association
  nvme: fix byte swapping in the streams code
  nbd: kill unused ret in recv_work
  bfq: dispatch request to prevent queue stalling after the request completion
  bfq: fix typos in comments about B-WF2Q+ algorithm
2017-07-21 16:20:05 -07:00
Rob Herring
1667393126 clk: Convert to using %pOF instead of full_name
Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: "Emilio López" <emilio@elopez.com.ar>
Cc: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: James Liao <jamesjj.liao@mediatek.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2017-07-21 15:49:54 -07:00
Sakari Ailus
3e3119d308 device property: Introduce fwnode_property_get_reference_args
The new fwnode_property_get_reference_args() interface amends the fwnode
property API with the functionality of both of_parse_phandle_with_args()
and __acpi_node_get_property_reference().

The semantics is slightly different: the cells property is ignored on ACPI
as the number of arguments can be explicitly obtained from the firmware
interface.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 00:04:51 +02:00
Sakari Ailus
37ba983cfb device property: Constify fwnode property API
Make fwnode arguments to the fwnode property API const.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 00:04:51 +02:00
Sakari Ailus
39e5aeed83 device property: Constify argument to pset fwnode backend
Internally constify pset fwnode backend. Do not touch the pset fwnode
operations yet.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 00:04:50 +02:00
Sakari Ailus
99a8546469 ACPI: Constify internal fwnode arguments
Constify internal ACPI fwnode arguments in preparation for the same in
fwnode API.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 00:04:50 +02:00
Sakari Ailus
8b9d680258 ACPI: Constify acpi_bus helper functions, switch to macros
Constify arguments to is_acpi_node(), is_acpi_device_node(),
is_acpi_static_node() and acpi_data_node_match(). Make
to_acpi_device_node() and to_acpi_data_node() macros that can cope with
const and non-const arguments.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 00:04:50 +02:00
Sakari Ailus
01c1da2897 ACPI: Prepare for constifying acpi_get_next_subnode() fwnode argument
Make local variables const (head) or add new variables; adev was used for
two purposes: to refer the root device node and its children. The two
purposes are separated by this patch.

This is preparation for making fwnode arguments const for fwnode ops.
Don't constify the argument itself quite yet as this is used as a callback
function.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 00:04:50 +02:00
Sakari Ailus
db3e50f323 device property: Get rid of struct fwnode_handle type field
Instead of relying on the struct fwnode_handle type field, define
fwnode_operations structs for all separate types of fwnodes. To find out
the type, compare to the ops field to relevant ops structs.

This change has two benefits:

1. it avoids adding the type field to each and every instance of struct
fwnode_handle, thus saving memory and

2. makes the ops field the single factor that defines both the types of
the fwnode as well as defines the implementation of its operations,
decreasing the possibility of bugs when developing code dealing with
fwnode internals.

Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 00:04:50 +02:00
Sakari Ailus
b81b729164 ACPI: Use IS_ERR_OR_NULL() instead of non-NULL check in is_acpi_data_node()
The is_acpi_data_node() function takes a struct fwnode_handle pointer as
its argument. The validity of the pointer is first checked. Extend the
check to cover error values as is done by similar is_acpi_node() and
is_acpi_device_node() functions.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-22 00:04:49 +02:00
Yuantian Tang
45899dc5f1 clk: qoriq: add pll clock to clock lookup table
Register each PLL and its division clocks to clock
lookup table to facilitate the clock look up for
clock consumer.

Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2017-07-21 15:01:45 -07:00
Yuantian Tang
e0c888c4a2 clk: qoriq: add clock configuration for ls1088a soc
Clock on ls1088a chip takes primary clocking input from the external
SYSCLK signal. The SYSCLK input (frequency) is multiplied using
multiple phase locked loops (PLL) to create a variety of frequencies
which can then be passed to a variety of internal logic, including
cores and peripheral IP modules.

Signed-off-by: Tang Yuantian <andy.tang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2017-07-21 15:01:44 -07:00
Sergei Shtylyov
531da74075 of: irq: fix of_irq_to_resource() error check
of_irq_to_resource() has recently been fixed to return negative error #'s
along with 0, however of_irq_to_resource_table() still only regards 0 as
invalid IRQ -- fix it up.

Fixes: 7a4228bbff ("of: irq: use of_irq_get() in of_irq_to_resource()")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2017-07-21 16:58:55 -05:00
Linus Torvalds
bb236dbeea Second set of -rc fixes for 4.13 cycle
- i40iw fixes
 - bnxt_re fixes
 - Dan Carpenter bugfixes across stack
 - 10 more random fixes, no more than 2 from any 1 person
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull more rdma fixes from Doug Ledford:
 "As per my previous pull request, there were two drivers that each had
  a rather large number of legitimate fixes still to be sent.

  As it turned out, I also missed a reasonably large set of fixes from
  one person across the stack that are all important fixes. All in all,
  the bnxt_re, i40iw, and Dan Carpenter are 3/4 to 2/3rds of this pull
  request.

  There were some other random fixes that I didn't send in the last pull
  request that I added to this one. This catches the rdma stack up to
  the fixes from up to about the beginning of this week. Any more fixes
  I'll wait and batch up later in the -rc cycle. This will give us a
  good base to start with for basing a for-next branch on -rc2.

  Summary:

   - i40iw fixes

   - bnxt_re fixes

   - Dan Carpenter bugfixes across stack

   - ten more random fixes, no more than two from any one person"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (37 commits)
  RDMA/core: Initialize port_num in qp_attr
  RDMA/uverbs: Fix the check for port number
  IB/cma: Fix reference count leak when no ipv4 addresses are set
  RDMA/iser: don't send an rkey if all data is written as immadiate-data
  rxe: fix broken receive queue draining
  RDMA/qedr: Prevent memory overrun in verbs' user responses
  iw_cxgb4: don't use WR keys/addrs for 0 byte reads
  IB/mlx4: Fix CM REQ retries in paravirt mode
  IB/rdmavt: Setting of QP timeout can overflow jiffies computation
  IB/core: Fix sparse warnings
  RDMA/bnxt_re: Fix the value reported for local ack delay
  RDMA/bnxt_re: Report MISSED_EVENTS in req_notify_cq
  RDMA/bnxt_re: Fix return value of poll routine
  RDMA/bnxt_re: Enable atomics only if host bios supports
  RDMA/bnxt_re: Specify RDMA component when allocating stats context
  RDMA/bnxt_re: Fixed the max_rd_atomic support for initiator and destination QP
  RDMA/bnxt_re: Report supported value to IB stack in query_device
  RDMA/bnxt_re: Do not free the ctx_tbl entry if delete GID fails
  RDMA/bnxt_re: Fix WQE Size posted to HW to prevent it from throwing error
  RDMA/bnxt_re: Free doorbell page index (DPI) during dealloc ucontext
  ...
2017-07-21 14:22:05 -07:00
Linus Torvalds
24a1635a41 imx, misc and amdkfd fixes
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Merge tag 'drm-fixes-for-v4.13-rc2' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "A bunch of fixes for rc2: two imx regressions, vc4 fix, dma-buf fix,
  some displayport mst fixes, and an amdkfd fix.

  Nothing too crazy, I assume we just haven't see much rc1 testing yet"

* tag 'drm-fixes-for-v4.13-rc2' of git://people.freedesktop.org/~airlied/linux:
  drm/mst: Avoid processing partially received up/down message transactions
  drm/mst: Avoid dereferencing a NULL mstb in drm_dp_mst_handle_up_req()
  drm/mst: Fix error handling during MST sideband message reception
  drm/imx: parallel-display: Accept drm_of_find_panel_or_bridge failure
  drm/imx: fix typo in ipu_plane_formats[]
  drm/vc4: Fix VBLANK handling in crtc->enable() path
  dma-buf/fence: Avoid use of uninitialised timestamp
  drm/amdgpu: Remove unused field kgd2kfd_shared_resources.num_mec
  drm/radeon: Remove initialization of shared_resources.num_mec
  drm/amdkfd: Remove unused references to shared_resources.num_mec
  drm/amdgpu: Fix KFD oversubscription by tracking queues correctly
2017-07-21 14:16:42 -07:00
Linus Torvalds
f79ec886f9 Three minor updates
- Use of the new GFP_RETRY_MAYFAIL to be more aggressive in allocating
    memory for the ring buffer without causing OOMs
 
  - Fix a memory leak in adding and removing instances
 
  - Add __rcu annotation to be able to debug RCU usage of function
    tracing a bit better.
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Merge tag 'trace-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Three minor updates

   - Use the new GFP_RETRY_MAYFAIL to be more aggressive in allocating
     memory for the ring buffer without causing OOMs

   - Fix a memory leak in adding and removing instances

   - Add __rcu annotation to be able to debug RCU usage of function
     tracing a bit better"

* tag 'trace-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  trace: fix the errors caused by incompatible type of RCU variables
  tracing: Fix kmemleak in instance_rmdir
  tracing/ring_buffer: Try harder to allocate
2017-07-21 13:59:51 -07:00
Linus Torvalds
b0a752818b KVM fixes for v4.13-rc2
A bunch of small fixes for x86.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "A bunch of small fixes for x86"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm: x86: hyperv: avoid livelock in oneshot SynIC timers
  KVM: VMX: Fix invalid guest state detection after task-switch emulation
  x86: add MULTIUSER dependency for KVM
  KVM: nVMX: Disallow VM-entry in MOV-SS shadow
  KVM: nVMX: track NMI blocking state separately for each VMCS
  KVM: x86: masking out upper bits
2017-07-21 13:58:10 -07:00
Linus Torvalds
10fc95547f powerpc fixes for 4.13 #3
A handful of fixes, mostly for new code.
 
 Some reworking of the new STRICT_KERNEL_RWX support to make sure we also remove
 executable permission from __init memory before it's freed.
 
 A fix to some recent optimisations to the hypercall entry where we were
 clobbering r12, this was breaking nested guests (PR KVM).
 
 A fix for the recent patch to opal_configure_cores(). This could break booting
 on bare metal Power8 boxes if the kernel was built without
 CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG.
 
 And finally a workaround for spurious PMU interrupts on Power9 DD2.
 
 Thanks to:
   Nicholas Piggin, Anton Blanchard, Balbir Singh.
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Merge tag 'powerpc-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "A handful of fixes, mostly for new code:

   - some reworking of the new STRICT_KERNEL_RWX support to make sure we
     also remove executable permission from __init memory before it's
     freed.

   - a fix to some recent optimisations to the hypercall entry where we
     were clobbering r12, this was breaking nested guests (PR KVM).

   - a fix for the recent patch to opal_configure_cores(). This could
     break booting on bare metal Power8 boxes if the kernel was built
     without CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG.

   - .. and finally a workaround for spurious PMU interrupts on Power9
     DD2.

  Thanks to: Nicholas Piggin, Anton Blanchard, Balbir Singh"

* tag 'powerpc-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/mm: Mark __init memory no-execute when STRICT_KERNEL_RWX=y
  powerpc/mm/hash: Refactor hash__mark_rodata_ro()
  powerpc/mm/radix: Refactor radix__mark_rodata_ro()
  powerpc/64s: Fix hypercall entry clobbering r12 input
  powerpc/perf: Avoid spurious PMU interrupts after idle
  powerpc/powernv: Fix boot on Power8 bare metal due to opal_configure_cores()
2017-07-21 13:54:37 -07:00
Mario Rugiero
e8e3edb95c mtd: create per-device and module-scope debugfs entries
Several MTD devices are using debugfs entries created in the root.
This commit provides the means for a standardized subtree, creating
one "mtd" entry at root, and one entry per device inside it, named
after the device.
The tree is registered in add_mtd_device, and released in
del_mtd_device.
Devices docg3, mtdswap and nandsim were updated to use this subtree
instead of custom ones, and their entries were prefixed with the
drivers' names.

Signed-off-by: Mario J. Rugiero <mrugiero@gmail.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2017-07-21 13:25:29 -07:00
Guoqing Jiang
6308d8e3d4 md: simplify code with bio_io_error
Since bio_io_error sets bi_status to BLK_STS_IOERR,
and calls bio_endio, so we can use it directly.

And as mentioned by Shaohua, there are also two
places in raid5.c can use bio_io_error either.

Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
2017-07-21 13:16:52 -07:00
Shaohua Li
16d56e2fcc md/raid1: fix writebehind bio clone
After bio is submitted, we should not clone it as its bi_iter might be
invalid by driver. This is the case of behind_master_bio. In certain
situration, we could dispatch behind_master_bio immediately for the
first disk and then clone it for other disks.

https://bugzilla.kernel.org/show_bug.cgi?id=196383

Reported-and-tested-by: Markus <m4rkusxxl@web.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Fix: 841c1316c7da(md: raid1: improve write behind)
Cc: stable@vger.kernel.org (4.12+)
Signed-off-by: Shaohua Li <shli@fb.com>
2017-07-21 12:47:20 -07:00
Ming Lei
be453e7761 md: raid1-10: move raid1/raid10 common code into raid1-10.c
No function change, just move 'struct resync_pages' and related
helpers into raid1-10.c

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
2017-07-21 12:47:20 -07:00
Ming Lei
fb0eb5df09 md: raid1/raid10: initialize bvec table via bio_add_page()
We will support multipage bvec soon, so initialize bvec
table using the standardy way instead of writing the
talbe directly. Otherwise it won't work any more once
multipage bvec is enabled.

Acked-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
2017-07-21 12:47:20 -07:00
Ming Lei
022e510fcb md: remove 'idx' from 'struct resync_pages'
bio_add_page() won't fail for resync bio, and the page index for each
bio is same, so remove it.

More importantly the 'idx' of 'struct resync_pages' is initialized in
mempool allocator function, the current way is wrong since mempool is
only responsible for allocation, we can't use that for initialization.

Suggested-by: NeilBrown <neilb@suse.com>
Reported-by: NeilBrown <neilb@suse.com>
Reported-and-tested-by: Patrick <dto@gmx.net>
Fixes: f0250618361d(md: raid10: don't use bio's vec table to manage resync pages)
Fixes: 98d30c5812c3(md: raid1: don't use bio's vec table to manage resync pages)
Cc: stable@vger.kernel.org (4.12+)
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
2017-07-21 12:47:20 -07:00
Linus Torvalds
4ec9f7a18b Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Half of the fixes are for various build time warnings triggered by
  randconfig builds. Most (but not all...) were harmless.

  There's also:

   - ACPI boundary condition fixes

   - UV platform fixes

   - defconfig updates

   - an AMD K6 CPU init fix

   - a %pOF printk format related preparatory change

   - .. and a warning fix related to the tlb/PCID changes"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/devicetree: Convert to using %pOF instead of ->full_name
  x86/platform/uv/BAU: Disable BAU on single hub configurations
  x86/platform/intel-mid: Fix a format string overflow warning
  x86/platform: Add PCI dependency for PUNIT_ATOM_DEBUG
  x86/build: Silence the build with "make -s"
  x86/io: Add "memory" clobber to insb/insw/insl/outsb/outsw/outsl
  x86/fpu/math-emu: Avoid bogus -Wint-in-bool-context warning
  x86/fpu/math-emu: Fix possible uninitialized variable use
  perf/x86: Shut up false-positive -Wmaybe-uninitialized warning
  x86/defconfig: Remove stale, old Kconfig options
  x86/ioapic: Pass the correct data to unmask_ioapic_irq()
  x86/acpi: Prevent out of bound access caused by broken ACPI tables
  x86/mm, KVM: Fix warning when !CONFIG_PREEMPT_COUNT
  x86/platform/uv/BAU: Fix congested_response_us not taking effect
  x86/cpu: Use indirect call to measure performance in init_amd_k6()
2017-07-21 11:20:58 -07:00
Linus Torvalds
e234b4a807 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
 "A timer_irq_init() clocksource API robustness fix"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource/drivers/timer-of: Handle of_irq_get_byname() result correctly
2017-07-21 11:18:09 -07:00
Linus Torvalds
5a77f0254b Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
 "A cputime fix and code comments/organization fix to the deadline
  scheduler"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/deadline: Fix confusing comments about selection of top pi-waiter
  sched/cputime: Don't use smp_processor_id() in preemptible context
2017-07-21 11:16:12 -07:00
Linus Torvalds
bbcdea658f Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Two hw-enablement patches, two race fixes, three fixes for regressions
  of semantics, plus a number of tooling fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel: Add proper condition to run sched_task callbacks
  perf/core: Fix locking for children siblings group read
  perf/core: Fix scheduling regression of pinned groups
  perf/x86/intel: Fix debug_store reset field for freq events
  perf/x86/intel: Add Goldmont Plus CPU PMU support
  perf/x86/intel: Enable C-state residency events for Apollo Lake
  perf symbols: Accept zero as the kernel base address
  Revert "perf/core: Drop kernel samples even though :u is specified"
  perf annotate: Fix broken arrow at row 0 connecting jmp instruction to its target
  perf evsel: State in the default event name if attr.exclude_kernel is set
  perf evsel: Fix attr.exclude_kernel setting for default cycles:p
2017-07-21 11:12:48 -07:00
Linus Torvalds
8b810a3a35 Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixlet from Ingo Molnar:
 "Remove an unnecessary priority adjustment in the rtmutex code"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/rtmutex: Remove unnecessary priority adjustment
2017-07-21 11:11:23 -07:00
Trond Myklebust
1ebf980127 NFS/filelayout: Fix racy setting of fl->dsaddr in filelayout_check_deviceid()
We must set fl->dsaddr once, and once only, even if there are multiple
processes calling filelayout_check_deviceid() for the same layout
segment.

Reported-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2017-07-21 14:08:45 -04:00
Linus Torvalds
34eddefee4 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
 "A resume_irq() fix, plus a number of static declaration fixes"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/digicolor: Drop unnecessary static
  irqchip/mips-cpu: Drop unnecessary static
  irqchip/gic/realview: Drop unnecessary static
  irqchip/mips-gic: Remove population of irq domain names
  genirq/PM: Properly pretend disabled state when force resuming interrupts
2017-07-21 11:07:41 -07:00
Benjamin Coddington
3953704fde locks: restore a warn for leaked locks on close
When locks.c moved to using file_lock_context, the check for any locks that
were not released was moved from the __fput() to destroy_inode() path in
commit 8634b51f6c ("locks: convert lease handling to file_lock_context").
This warning has been quite useful for catching bugs, particularly in NFS
where lock handling still sees some churn.

Let's bring back the warning for leaked locks on __fput, as this warning is
much more likely to be seen and reported by users.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
2017-07-21 13:57:31 -04:00
Linus Torvalds
0a6109fd1b Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Ingo Molnar:
 "A fix to WARN_ON_ONCE() done by modules, plus a MAINTAINERS update"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  debug: Fix WARN_ON_ONCE() for modules
  MAINTAINERS: Update the PTRACE entry
2017-07-21 10:41:19 -07:00
Sylwester Nawrocki
9d154e42a3 ASoC: samsung: odroid: Fix EPLL frequency values
To prevent incorrect setting of the EPLL the clock frequency
values are changed to exact values as possible to obtain on
the EPLL output with given PLL coefficients.
This patch is required after recent change of the EPLL rate
table by patch
"clk: samsung: exynos5420: The EPLL rate table corrections".

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-07-21 17:45:18 +01:00
Suman Anna
2f865d3fdd ARM: configs: keystone: Enable reset drivers
Enable the TI SYSCON and TI-SCI reset drivers for Keystone
platforms. These drivers will provide the reset functionality
for devices like DSPs or PRU-ICSSs. There are no devices that
require these to be built-in, so these are enabled as modules.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-07-21 09:39:10 -07:00