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Commit Graph

647298 Commits

Author SHA1 Message Date
Markus Trippelsdorf
7ebb916782 x86/tools: Fix gcc-7 warning in relocs.c
gcc-7 warns:

In file included from arch/x86/tools/relocs_64.c:17:0:
arch/x86/tools/relocs.c: In function ‘process_64’:
arch/x86/tools/relocs.c:953:2: warning: argument 1 null where non-null expected [-Wnonnull]
  qsort(r->offset, r->count, sizeof(r->offset[0]), cmp_relocs);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/x86/tools/relocs.h:6:0,
                 from arch/x86/tools/relocs_64.c:1:
/usr/include/stdlib.h:741:13: note: in a call to function ‘qsort’ declared here         
 extern void qsort 

This happens because relocs16 is not used for ELF_BITS == 64, 
so there is no point in trying to sort it.

Make the sort_relocs(&relocs16) call 32bit only.

Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Link: http://lkml.kernel.org/r/20161215124513.GA289@x4
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 11:50:24 +01:00
Josh Poimboeuf
8b5e99f022 x86/unwind: Dump stack data on warnings
The unwinder warnings are good at finding unexpected unwinder issues,
but they often don't give enough data to be able to fully diagnose them.
Print a one-time stack dump when a warning is detected.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Link: http://lkml.kernel.org/r/15607370e3ddb1732b6a73d5c65937864df16ac8.1481904011.git.jpoimboe@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 11:47:05 +01:00
Josh Poimboeuf
8023e0e2a4 x86/unwind: Adjust last frame check for aligned function stacks
Somehow, CONFIG_PARAVIRT=n convinces gcc to change the
x86_64_start_kernel() prologue from:

  0000000000000129 <x86_64_start_kernel>:
   129:	55                   	push   %rbp
   12a:	48 89 e5             	mov    %rsp,%rbp

to:

  0000000000000124 <x86_64_start_kernel>:
   124:	4c 8d 54 24 08       	lea    0x8(%rsp),%r10
   129:	48 83 e4 f0          	and    $0xfffffffffffffff0,%rsp
   12d:	41 ff 72 f8          	pushq  -0x8(%r10)
   131:	55                   	push   %rbp
   132:	48 89 e5             	mov    %rsp,%rbp

This is an unusual pattern which aligns rsp (though in this case it's
already aligned) and saves the start_cpu() return address again on the
stack before storing the frame pointer.

The unwinder assumes the last stack frame header is at a certain offset,
but the above code breaks that assumption, resulting in the following
warning:

  WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value           (null)

Fix it by checking for the last task stack frame at the aligned offset
in addition to the normal unaligned offset.

Fixes: acb4608ad1 ("x86/unwind: Create stack frames for saved syscall registers")
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Link: http://lkml.kernel.org/r/9d7b4eb8cf55a7d6002cb738f25c23e7429c99a0.1481904011.git.jpoimboe@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 11:47:05 +01:00
Dmitry Torokhov
22d3c0d63b x86/init: Fix a couple of comment typos
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Cc: linux-input@vger.kernel.org
Link: http://lkml.kernel.org/r/1481317061-31486-5-git-send-email-dmitry.torokhov@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 11:34:16 +01:00
Dmitry Torokhov
32786fdc95 x86/init: Remove i8042_detect() from platform ops
Now that i8042 uses flag in legacy platform data, i8042_detect() is
no longer used and can be removed.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Cc: linux-input@vger.kernel.org
Link: http://lkml.kernel.org/r/1481317061-31486-4-git-send-email-dmitry.torokhov@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 11:34:15 +01:00
Dmitry Torokhov
d79e141c1c Input: i8042 - Trust firmware a bit more when probing on X86
The error message "Can't read CTR while initializing i8042" appears on
Cherry Trail-based devices at each boot time:

  i8042: PNP: No PS/2 controller found. Probing ports directly.
  i8042: Can't read CTR while initializing i8042
  i8042: probe of i8042 failed with error -5

This happens because we historically do not trust firmware on X86 and,
while noting that PNP does not show keyboard or mouse devices, we still
charge ahead and try to probe the controller. Let's relax this a bit and if
results of PNP probe agree with the results of platform
initialization/quirks conclude that there is, in fact, no i8042.

While at it, let's avoid using x86_platform.i8042_detect() and instead
abort execution early if platform indicates that it can not possibly have
i8042 (x86_platform.legacy.i8042 equals X86_LEGACY_I8042_PLATFORM_ABSENT).

Reported-and-tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Cc: linux-input@vger.kernel.org
Link: http://lkml.kernel.org/r/1481317061-31486-3-git-send-email-dmitry.torokhov@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 11:34:15 +01:00
Dmitry Torokhov
93ffa9a479 x86/init: Add i8042 state to the platform data
Add i8042 state to the platform data to help i8042 driver make decision
whether to probe for i8042 or not. We recognize 3 states: platform/subarch
ca not possible have i8042 (as is the case with Inrel MID platform),
firmware (such as ACPI) reports that i8042 is absent from the device,
or i8042 may be present and the driver should probe for it.

The intent is to allow i8042 driver abort initialization on x86 if PNP data
(absence of both keyboard and mouse PNP devices) agrees with firmware data.

It will also allow us to remove i8042_detect later.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Cc: linux-input@vger.kernel.org
Link: http://lkml.kernel.org/r/1481317061-31486-2-git-send-email-dmitry.torokhov@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 11:34:15 +01:00
Boris Ostrovsky
2b4c91569a x86/microcode/AMD: Use native_cpuid() in load_ucode_amd_bsp()
When CONFIG_PARAVIRT is selected, cpuid() becomes a call. Since
for 32-bit kernels load_ucode_amd_bsp() is executed before paging
is enabled the call cannot be completed (as kernel virtual addresses
are not reachable yet).

Use native_cpuid() instead which is an asm wrapper for the CPUID
instruction.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Jürgen Gross <jgross@suse.com>
Link: http://lkml.kernel.org/r/1481906392-3847-1-git-send-email-boris.ostrovsky@oracle.com
Link: http://lkml.kernel.org/r/20161218164414.9649-5-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 10:46:20 +01:00
Borislav Petkov
a15a753539 x86/microcode/AMD: Do not load when running on a hypervisor
Doing so is completely void of sense for multiple reasons so prevent
it. Set dis_ucode_ldr to true and thus disable the microcode loader by
default to address xen pv guests which execute the AP path but not the
BSP path.

By having it turned off by default, the APs won't run into the loader
either.

Also, check CPUID(1).ECX[31] which hypervisors set. Well almost, not the
xen pv one. That one gets the aforementioned "fix".

Also, improve the detection method by caching the final decision whether
to continue loading in dis_ucode_ldr and do it once on the BSP. The APs
then simply test that value.

Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Juergen Gross <jgross@suse.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Acked-by: Juergen Gross <jgross@suse.com>
Link: http://lkml.kernel.org/r/20161218164414.9649-4-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 10:46:20 +01:00
Borislav Petkov
200d355316 x86/microcode/AMD: Sanitize apply_microcode_early_amd()
Make it simply return bool to denote whether it found a container or not
and return the pointer to the container and its size in the handed-in
container pointer instead, as returning a struct was just silly.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Jürgen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: http://lkml.kernel.org/r/20161218164414.9649-3-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 10:46:20 +01:00
Borislav Petkov
8feaa64a9a x86/microcode/AMD: Make find_proper_container() sane again
Fixup signature and retvals, return the container struct through the
passed in pointer, not as a function return value.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Jürgen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: http://lkml.kernel.org/r/20161218164414.9649-2-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-19 10:46:19 +01:00
Linus Torvalds
b0b3a37b90 RTC for 4.10
Subsystem:
  - non-modular drivers are now explicitly non-modular
 
 New driver:
  - Epson Toyocom rtc-7301sf/dg
 
 Drivers:
  - cmos: reject unsupported alarm values wrt the RTC capabilities
  - ds1307: ACPI support
  - jz4740: DT support, jz4780 handling, can now be used as a system power
  controller
  - mcp795: many fixes, in particular proper month handling
  - twl: driver is now DT only
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Merge tag 'rtc-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
  "Subsystem:
   - non-modular drivers are now explicitly non-modular

  New driver:
    - Epson Toyocom rtc-7301sf/dg

  Drivers:
   - cmos: reject unsupported alarm values wrt the RTC capabilities
   - ds1307: ACPI support
   - jz4740: DT support, jz4780 handling, can now be used as a system
     power controller
   - mcp795: many fixes, in particular proper month handling
   - twl: driver is now DT only"

* tag 'rtc-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (31 commits)
  rtc: mcp795: Fix whitespace and indentation.
  rtc: mcp795: Prefer using the BIT() macro.
  rtc: mcp795: fix month write resetting date to 1.
  rtc: mcp795: fix time range difference between linux and RTC chip.
  rtc: mcp795: fix bitmask value for leap year (LP).
  rtc: mcp795: use bcd2bin/bin2bcd.
  rtc: add support for EPSON TOYOCOM RTC-7301SF/DG
  rtc: ds1307: Add ACPI support
  rtc: imxdi: (trivial) fix a typo
  rtc: ds1374: Merge conditional + WARN_ON()
  rtc: twl: make driver DT only
  rtc: twl: kill static variables
  rtc: fix typos in Kconfig
  rtc: jz4740: make the driver builtin only
  rtc: jz4740: remove unused EXPORT_SYMBOL
  Documentation: bindings: fix twl-rtc documentation
  rtc: Enable compile testing for Maxim and Samsung drivers
  MIPS: jz4740: Remove obsolete code
  MIPS: qi_lb60: Probe RTC driver from DT and use it as power controller
  MIPS: jz4740: DTS: Probe the jz4740-rtc driver from devicetree
  ...
2016-12-18 18:18:03 -08:00
Emil Bartczak
d3e5925902 rtc: mcp795: Fix whitespace and indentation.
Fix whitespace and indentation errors and the following
checkpatch warnings:
- line 15: Block comments use a trailing */ on a separate line
- line 256: Line over 80 characters
No code change.

Signed-off-by: Emil Bartczak <emilbart@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19 00:59:25 +01:00
Emil Bartczak
a2b4299751 rtc: mcp795: Prefer using the BIT() macro.
This patch doesn't change the code but replaces all bitmask values
with the BIT(x) macro.

Signed-off-by: Emil Bartczak <emilbart@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19 00:59:24 +01:00
Emil Bartczak
43d0b10f60 rtc: mcp795: fix month write resetting date to 1.
According to Microchip errata some combinations of date and month
values may result in the date being reset to 1, even if the date
is also written with the month (for example 31-07 or 31-08).
As a workaround avoid writing date and month values within the same
Write command. Instead, terminate the Write command after loading
the date and begin a new command to write the month. In addition,
disable the oscillator before loading the new values. This is done
by ensuring both the ST and EXTOSC bits are cleared and waiting for
the OSCON bit to clear.

Signed-off-by: Emil Bartczak <emilbart@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19 00:59:23 +01:00
Emil Bartczak
26eeefd595 rtc: mcp795: fix time range difference between linux and RTC chip.
In linux rtc_time struct, tm_mon range is 0~11, while in RTC HW REG,
month range is 1~12. This patch adjusts difference of them.

Signed-off-by: Emil Bartczak <emilbart@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19 00:59:23 +01:00
Emil Bartczak
e72765c648 rtc: mcp795: fix bitmask value for leap year (LP).
According the datasheet the leap year is a fifth bit in month register.

Signed-off-by: Emil Bartczak <emilbart@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19 00:59:22 +01:00
Emil Bartczak
bcf18d88ac rtc: mcp795: use bcd2bin/bin2bcd.
Change rtc-mcp795.c to use the bcd2bin/bin2bcd functions.
This change fixes the wrong conversion of month value
from binary to BCD (missing right shift operation for 10 month).

Signed-off-by: Emil Bartczak <emilbart@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19 00:59:22 +01:00
Akinobu Mita
0b6a8f5c9b rtc: add support for EPSON TOYOCOM RTC-7301SF/DG
This adds support for EPSON TOYOCOM RTC-7301SF/DG which has parallel
interface compatible with SRAM.

This driver supports basic clock, calendar and alarm functionality.

Tested with Microblaze linux running on Artix7 FPGA board with my own
custom IP for RTC-7301.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19 00:59:21 +01:00
Tin Huynh
9c19b8930d rtc: ds1307: Add ACPI support
This patch enables ACPI support for rtc-ds1307 driver.

Signed-off-by: Tin Huynh <tnhuynh@apm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19 00:59:07 +01:00
Linus Torvalds
3be134e515 libnvdimm for 4.10
* Dynamic label support: To date namespace label support has been
 limited to disambiguating cases where PMEM (direct load/store) and BLK
 (mmio aperture) accessed-capacity alias on the same DIMM. Since 4.9 added
 support for multiple namespaces per PMEM-region there is value to
 support namespace labels even in the non-aliasing case. The presence of
 a valid namespace index block force-enables label support when the
 kernel would otherwise rely on region boundaries, and permits the region
 to be sub-divided.
 
 * Handle media errors in namespace metadata: Complement the error
 handling for media errors in namespace data areas with support for
 clearing errors on writes, and downgrading potential machine-check
 exceptions to simple i/o errors on read.
 
 * Device-DAX region attributes: Add 'align', 'id', and 'size' as
 attributes for device-dax regions. In particular this enables userspace
 tooling to generically size memory mapping and i/o operations. Prevent
 userspace from growing assumptions / dependencies about the parent
 device topology for a dax region. A libnvdimm namespace may not always
 be the parent device of a dax region.
 
 * Various cleanups and small fixes.
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Merge tag 'libnvdimm-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "The libnvdimm pull request is relatively small this time around due to
  some development topics being deferred to 4.11.

  As for this pull request the bulk of it has been in -next for several
  releases leading to one late fix being added (commit 868f036fee
  ("libnvdimm: fix mishandled nvdimm_clear_poison() return value")). It
  has received a build success notification from the 0day-kbuild robot
  and passes the latest libnvdimm unit tests.

  Summary:

   - Dynamic label support: To date namespace label support has been
     limited to disambiguating cases where PMEM (direct load/store) and
     BLK (mmio aperture) accessed-capacity alias on the same DIMM. Since
     4.9 added support for multiple namespaces per PMEM-region there is
     value to support namespace labels even in the non-aliasing case.
     The presence of a valid namespace index block force-enables label
     support when the kernel would otherwise rely on region boundaries,
     and permits the region to be sub-divided.

   - Handle media errors in namespace metadata: Complement the error
     handling for media errors in namespace data areas with support for
     clearing errors on writes, and downgrading potential machine-check
     exceptions to simple i/o errors on read.

   - Device-DAX region attributes: Add 'align', 'id', and 'size' as
     attributes for device-dax regions. In particular this enables
     userspace tooling to generically size memory mapping and i/o
     operations. Prevent userspace from growing assumptions /
     dependencies about the parent device topology for a dax region. A
     libnvdimm namespace may not always be the parent device of a dax
     region.

   - Various cleanups and small fixes"

* tag 'libnvdimm-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  dax: add region 'id', 'size', and 'align' attributes
  libnvdimm: fix mishandled nvdimm_clear_poison() return value
  libnvdimm: replace mutex_is_locked() warnings with lockdep_assert_held
  libnvdimm, pfn: fix align attribute
  libnvdimm, e820: use module_platform_driver
  libnvdimm, namespace: use octal for permissions
  libnvdimm, namespace: avoid multiple sector calculations
  libnvdimm: remove else after return in nsio_rw_bytes()
  libnvdimm, namespace: fix the type of name variable
  libnvdimm: use consistent naming for request_mem_region()
  nvdimm: use the right length of "pmem"
  libnvdimm: check and clear poison before writing to pmem
  tools/testing/nvdimm: dynamic label support
  libnvdimm: allow a platform to force enable label support
  libnvdimm: use generic iostat interfaces
2016-12-18 15:49:10 -08:00
Linus Torvalds
8421c60446 platform-drivers-x86 for 4.10-2
Move and add registration for the mlx-platform driver. Introduce button and lid
 drivers for the surface3 (different from the surface3-pro). Add BXT PMIC TMU
 support. Add Y700 to existing ideapad-laptop quirk.
 
 ideapad-laptop:
  - Add Y700 15-ACZ to no_hw_rfkill DMI list
 
 surface3_button:
  - Introduce button support for the Surface 3
 
 surface3-wmi:
  - Add custom surface3 platform device for controlling LID
  - Balance locking on error path
 
 mlx-platform:
  - Add mlxcpld-hotplug driver registration
  - Fix semicolon.cocci warnings
  - Move module from arch/x86
 
 platform/x86:
  - Add Whiskey Cove PMIC TMU support
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Merge tag 'platform-drivers-x86-v4.10-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull more x86 platform driver updates from Darren Hart:
 "Move and add registration for the mlx-platform driver. Introduce
  button and lid drivers for the surface3 (different from the
  surface3-pro). Add BXT PMIC TMU support. Add Y700 to existing
  ideapad-laptop quirk.

  Summary:

  ideapad-laptop:
   - Add Y700 15-ACZ to no_hw_rfkill DMI list

  surface3_button:
   - Introduce button support for the Surface 3

  surface3-wmi:
   - Add custom surface3 platform device for controlling LID
   - Balance locking on error path

  mlx-platform:
   - Add mlxcpld-hotplug driver registration
   - Fix semicolon.cocci warnings
   - Move module from arch/x86

  platform/x86:
   - Add Whiskey Cove PMIC TMU support"

* tag 'platform-drivers-x86-v4.10-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
  platform/x86: surface3-wmi: Balance locking on error path
  platform/x86: Add Whiskey Cove PMIC TMU support
  platform/x86: ideapad-laptop: Add Y700 15-ACZ to no_hw_rfkill DMI list
  platform/x86: Introduce button support for the Surface 3
  platform/x86: Add custom surface3 platform device for controlling LID
  platform/x86: mlx-platform: Add mlxcpld-hotplug driver registration
  platform/x86: mlx-platform: Fix semicolon.cocci warnings
  platform/x86: mlx-platform: Move module from arch/x86
2016-12-18 15:45:33 -08:00
Andy Shevchenko
83da6b5991 platform/x86: surface3-wmi: Balance locking on error path
There is a possibility that lock will be left acquired.
Consolidate error path under out_free_unlock label.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2016-12-18 14:56:43 -08:00
Nilesh Bacchewar
957ae50981 platform/x86: Add Whiskey Cove PMIC TMU support
This adds TMU (Time Management Unit) support for Intel BXT platform.
It enables the alarm wake-up functionality in the TMU unit of Whiskey Cove
PMIC.

Signed-off-by: Nilesh Bacchewar <nilesh.bacchewar@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
[andy: resolve merge conflict in Kconfig]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2016-12-18 14:56:37 -08:00
Linus Torvalds
f7dd3b1734 Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
 "This is the last functional update from the tip tree for 4.10. It got
  delayed due to a newly reported and anlyzed variant of BIOS bug and
  the resulting wreckage:

   - Seperation of TSC being marked realiable and the fact that the
     platform provides the TSC frequency via CPUID/MSRs and making use
     for it for GOLDMONT.

   - TSC adjust MSR validation and sanitizing:

     The TSC adjust MSR contains the offset to the hardware counter. The
     sum of the adjust MSR and the counter is the TSC value which is
     read via RDTSC.

     On at least two machines from different vendors the BIOS sets the
     TSC adjust MSR to negative values. This happens on cold and warm
     boot. While on cold boot the offset is a few milliseconds, on warm
     boot it basically compensates the power on time of the system. The
     BIOSes are not even using the adjust MSR to set all CPUs in the
     package to the same offset. The offsets are different which renders
     the TSC unusable,

     What's worse is that the TSC deadline timer has a HW feature^Wbug.
     It malfunctions when the TSC adjust value is negative or greater
     equal 0x80000000 resulting in silent boot failures, hard lockups or
     non firing timers. This looks like some hardware internal 32/64bit
     issue with a sign extension problem. Intel has been silent so far
     on the issue.

     The update contains sanity checks and keeps the adjust register
     within working limits and in sync on the package.

     As it looks like this disease is spreading via BIOS crapware, we
     need to address this urgently as the boot failures are hard to
     debug for users"

* 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tsc: Limit the adjust value further
  x86/tsc: Annotate printouts as firmware bug
  x86/tsc: Force TSC_ADJUST register to value >= zero
  x86/tsc: Validate TSC_ADJUST after resume
  x86/tsc: Validate cpumask pointer before accessing it
  x86/tsc: Fix broken CONFIG_X86_TSC=n build
  x86/tsc: Try to adjust TSC if sync test fails
  x86/tsc: Prepare warp test for TSC adjustment
  x86/tsc: Move sync cleanup to a safe place
  x86/tsc: Sync test only for the first cpu in a package
  x86/tsc: Verify TSC_ADJUST from idle
  x86/tsc: Store and check TSC ADJUST MSR
  x86/tsc: Detect random warps
  x86/tsc: Use X86_FEATURE_TSC_ADJUST in detect_art()
  x86/tsc: Finalize the split of the TSC_RELIABLE flag
  x86/tsc: Set TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Atom SoCs
  x86/tsc: Mark Intel ATOM_GOLDMONT TSC reliable
  x86/tsc: Mark TSC frequency determined by CPUID as known
  x86/tsc: Add X86_FEATURE_TSC_KNOWN_FREQ flag
2016-12-18 13:59:10 -08:00
Linus Torvalds
1bbb05f520 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes and cleanups from Thomas Gleixner:
 "This set of updates contains:

   - Robustification for the logical package managment. Cures the AMD
     and virtualization issues.

   - Put the correct start_cpu() return address on the stack of the idle
     task.

   - Fixups for the fallout of the nodeid <-> cpuid persistent mapping
     modifciations

   - Move the x86/MPX specific mm_struct member to the arch specific
     mm_context where it belongs

   - Cleanups for C89 struct initializers and useless function
     arguments"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/floppy: Use designated initializers
  x86/mpx: Move bd_addr to mm_context_t
  x86/mm: Drop unused argument 'removed' from sync_global_pgds()
  ACPI/NUMA: Do not map pxm to node when NUMA is turned off
  x86/acpi: Use proper macro for invalid node
  x86/smpboot: Prevent false positive out of bounds cpumask access warning
  x86/boot/64: Push correct start_cpu() return address
  x86/boot/64: Use 'push' instead of 'call' in start_cpu()
  x86/smpboot: Make logical package management more robust
2016-12-18 11:12:53 -08:00
Linus Torvalds
451bb1a6b2 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
 "Prevent NULL pointer dereferencing in the tick broadcast code. Old
  bug, which got unearthed by the hotplug ordering problem"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tick/broadcast: Prevent NULL pointer dereference
2016-12-18 11:11:01 -08:00
Linus Torvalds
98da295b35 Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP hotplug fixes from Thomas Gleixner:
 "Two fixlets for cpu hotplug:

   - Fix a subtle ordering problem with the dummy timer. This happened
     to work before the conversion by chance due to initcall ordering.

   - Fix the function comment for __cpuhp_setup_state()"

* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  cpu/hotplug: Clarify description of __cpuhp_setup_state() return value
  clocksource/dummy_timer: Move hotplug callback after the real timers
2016-12-18 11:06:05 -08:00
Linus Torvalds
eb3a3c0746 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Thomas Gleixner:
 "A fix for the irq affinity spread algorithm so it handles non linear
  node numbering nicely"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq/affinity: Fix node generation from cpumask
2016-12-18 11:00:56 -08:00
Thomas Gleixner
8c9b9d87b8 x86/tsc: Limit the adjust value further
Adjust value 0x80000000 and other values larger than that render the TSC
deadline timer disfunctional.

We have not yet any information about this from Intel, but experimentation
clearly proves that this is a 32/64 bit and sign extension issue.

If adjust values larger than that are actually required, which might be the
case for physical CPU hotplug, then we need to disable the deadline timer
on the affected package/CPUs and use the local APIC timer instead.

That requires some surgery in the APIC setup code, so we just limit the
ADJUST register value into the known to work range for now and revisit this
when Intel comes forth with proper information.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Roland Scheidegger <rscheidegger_lists@hispeed.ch>
Cc: Bruce Schlobohm <bruce.schlobohm@intel.com>
Cc: Kevin Stanton <kevin.b.stanton@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
2016-12-18 16:37:04 +01:00
Thomas Gleixner
16588f6592 x86/tsc: Annotate printouts as firmware bug
Make it more obvious that the BIOS is screwed up.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Roland Scheidegger <rscheidegger_lists@hispeed.ch>
Cc: Bruce Schlobohm <bruce.schlobohm@intel.com>
Cc: Kevin Stanton <kevin.b.stanton@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
2016-12-18 16:35:15 +01:00
Kees Cook
ffc7dc8d83 x86/floppy: Use designated initializers
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20161217213705.GA1248@beast
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-12-18 09:25:38 +01:00
Linus Torvalds
52f40e9d65 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes and cleanups from David Miller:

 1) Revert bogus nla_ok() change, from Alexey Dobriyan.

 2) Various bpf validator fixes from Daniel Borkmann.

 3) Add some necessary SET_NETDEV_DEV() calls to hsis_femac and hip04
    drivers, from Dongpo Li.

 4) Several ethtool ksettings conversions from Philippe Reynes.

 5) Fix bugs in inet port management wrt. soreuseport, from Tom Herbert.

 6) XDP support for virtio_net, from John Fastabend.

 7) Fix NAT handling within a vrf, from David Ahern.

 8) Endianness fixes in dpaa_eth driver, from Claudiu Manoil

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (63 commits)
  net: mv643xx_eth: fix build failure
  isdn: Constify some function parameters
  mlxsw: spectrum: Mark split ports as such
  cgroup: Fix CGROUP_BPF config
  qed: fix old-style function definition
  net: ipv6: check route protocol when deleting routes
  r6040: move spinlock in r6040_close as SOFTIRQ-unsafe lock order detected
  irda: w83977af_ir: cleanup an indent issue
  net: sfc: use new api ethtool_{get|set}_link_ksettings
  net: davicom: dm9000: use new api ethtool_{get|set}_link_ksettings
  net: cirrus: ep93xx: use new api ethtool_{get|set}_link_ksettings
  net: chelsio: cxgb3: use new api ethtool_{get|set}_link_ksettings
  net: chelsio: cxgb2: use new api ethtool_{get|set}_link_ksettings
  bpf: fix mark_reg_unknown_value for spilled regs on map value marking
  bpf: fix overflow in prog accounting
  bpf: dynamically allocate digest scratch buffer
  gtp: Fix initialization of Flags octet in GTPv1 header
  gtp: gtp_check_src_ms_ipv4() always return success
  net/x25: use designated initializers
  isdn: use designated initializers
  ...
2016-12-17 20:17:04 -08:00
Linus Torvalds
231753ef78 Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull partial readlink cleanups from Miklos Szeredi.

This is the uncontroversial part of the readlink cleanup patch-set that
simplifies the default readlink handling.

Miklos and Al are still discussing the rest of the series.

* git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  vfs: make generic_readlink() static
  vfs: remove ".readlink = generic_readlink" assignments
  vfs: default to generic_readlink()
  vfs: replace calling i_op->readlink with vfs_readlink()
  proc/self: use generic_readlink
  ecryptfs: use vfs_get_link()
  bad_inode: add missing i_op initializers
2016-12-17 19:16:12 -08:00
Sudip Mukherjee
3e3397e7b1 net: mv643xx_eth: fix build failure
The build of sparc allmodconfig fails with the error:
"of_irq_to_resource" [drivers/net/ethernet/marvell/mv643xx_eth.ko]
	undefined!

of_irq_to_resource() is defined when CONFIG_OF_IRQ is defined. And also
CONFIG_OF_IRQ can only be defined if CONFIG_IRQ is defined. So we can
safely use #if defined(CONFIG_OF_IRQ) in the code.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:47:26 -05:00
Emese Revfy
a6b3c48312 isdn: Constify some function parameters
The coming initify gcc plugin expects const pointer types, and caught
some __printf arguments that weren't const yet. This fixes those.

Signed-off-by: Emese Revfy <re.emese@gmail.com>
[kees: expanded commit message]
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:46:35 -05:00
Ido Schimmel
9a60c90722 mlxsw: spectrum: Mark split ports as such
When a port is split we should mark it as such, as otherwise the split
ports aren't renamed correctly (e.g. sw1p3 -> sw1p3s1) and the unsplit
operation fails:

$ devlink port split sw1p3 count 4
$ devlink port unsplit eth0
devlink answers: Invalid argument
[  598.565307] mlxsw_spectrum 0000:03:00.0 eth0: Port wasn't split

Fixes: 67963a33b4 ("mlxsw: Make devlink port instances independent of spectrum/switchx2 port instances")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Tamir Winetroub <tamirw@mellanox.com>
Reviewed-by: Elad Raz <eladr@mellanox.com>
Tested-by: Tamir Winetroub <tamirw@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:44:51 -05:00
Linus Torvalds
0110c350c8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more vfs updates from Al Viro:
 "In this pile:

   - autofs-namespace series
   - dedupe stuff
   - more struct path constification"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (40 commits)
  ocfs2: implement the VFS clone_range, copy_range, and dedupe_range features
  ocfs2: charge quota for reflinked blocks
  ocfs2: fix bad pointer cast
  ocfs2: always unlock when completing dio writes
  ocfs2: don't eat io errors during _dio_end_io_write
  ocfs2: budget for extent tree splits when adding refcount flag
  ocfs2: prohibit refcounted swapfiles
  ocfs2: add newlines to some error messages
  ocfs2: convert inode refcount test to a helper
  simple_write_end(): don't zero in short copy into uptodate
  exofs: don't mess with simple_write_{begin,end}
  9p: saner ->write_end() on failing copy into non-uptodate page
  fix gfs2_stuffed_write_end() on short copies
  fix ceph_write_end()
  nfs_write_end(): fix handling of short copies
  vfs: refactor clone/dedupe_file_range common functions
  fs: try to clone files first in vfs_copy_file_range
  vfs: misc struct path constification
  namespace.c: constify struct path passed to a bunch of primitives
  quota: constify struct path in quota_on
  ...
2016-12-17 18:44:00 -08:00
Andy Lutomirski
483c4933ea cgroup: Fix CGROUP_BPF config
CGROUP_BPF depended on SOCK_CGROUP_DATA which can't be manually
enabled, making it rather challenging to turn CGROUP_BPF on.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:42:45 -05:00
David S. Miller
67a72a5891 Three fixes:
* avoid a WARN_ON() when trying to use WEP with AP_VLANs
  * ensure enough headroom on mesh forwarding packets
  * don't report unknown/invalid rates to userspace
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Merge tag 'mac80211-for-davem-2016-12-16' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Three fixes:
 * avoid a WARN_ON() when trying to use WEP with AP_VLANs
 * ensure enough headroom on mesh forwarding packets
 * don't report unknown/invalid rates to userspace
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:41:33 -05:00
Arnd Bergmann
7729bad4fd qed: fix old-style function definition
The newly added file causes a harmless warning, with "make W=1":

drivers/net/ethernet/qlogic/qed/qed_iscsi.c: In function 'qed_get_iscsi_ops':
drivers/net/ethernet/qlogic/qed/qed_iscsi.c:1268:29: warning: old-style function definition [-Wold-style-definition]

This makes it a proper prototype.

Fixes: fc831825f9 ("qed: Add support for hardware offloaded iSCSI.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:37:41 -05:00
Mantas M
c2ed1880fd net: ipv6: check route protocol when deleting routes
The protocol field is checked when deleting IPv4 routes, but ignored for
IPv6, which causes problems with routing daemons accidentally deleting
externally set routes (observed by multiple bird6 users).

This can be verified using `ip -6 route del <prefix> proto something`.

Signed-off-by: Mantas Mikulėnas <grawity@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:37:06 -05:00
Manuel Bessler
c762eaa777 r6040: move spinlock in r6040_close as SOFTIRQ-unsafe lock order detected
'ifconfig eth0 down' makes r6040_close() trigger:
 INFO: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected

Fixed by moving calls to phy_stop(), napi_disable(), netif_stop_queue()
to outside of the module's private spin_lock_irq block.

Found on a Versalogic Tomcat SBC with a Vortex86 SoC

s1660e_5150:~# sudo ifconfig eth0 down
[   61.306415] ======================================================
[   61.306415] [ INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected ]
[   61.306415] 4.9.0-gb898d2d-manuel #1 Not tainted
[   61.306415] ------------------------------------------------------
[   61.306415] ifconfig/449 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
[   61.306415]  (&dev->lock){+.+...}, at: [<c1336276>] phy_stop+0x16/0x80

[   61.306415] and this task is already holding:
[   61.306415]  (&(&lp->lock)->rlock){+.-...}, at: [<d0934c84>] r6040_close+0x24/0x230 [r6040]
which would create a new lock dependency:
[   61.306415]  (&(&lp->lock)->rlock){+.-...} -> (&dev->lock){+.+...}

[   61.306415] but this new dependency connects a SOFTIRQ-irq-safe lock:
[   61.306415]  (&(&lp->lock)->rlock){+.-...}
[   61.306415] ... which became SOFTIRQ-irq-safe at:
[   61.306415]   [   61.306415] [<c1075bc5>] __lock_acquire+0x555/0x1770
[   61.306415]   [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]   [   61.306415] [<c14bb334>] _raw_spin_lock_irqsave+0x24/0x40
[   61.306415]   [   61.306415] [<d0934ac0>] r6040_start_xmit+0x30/0x1d0 [r6040]
[   61.306415]   [   61.306415] [<c13a7d4d>] dev_hard_start_xmit+0x9d/0x2d0
[   61.306415]   [   61.306415] [<c13c8a38>] sch_direct_xmit+0xa8/0x140
[   61.306415]   [   61.306415] [<c13a8436>] __dev_queue_xmit+0x416/0x780
[   61.306415]   [   61.306415] [<c13a87aa>] dev_queue_xmit+0xa/0x10
[   61.306415]   [   61.306415] [<c13b4837>] neigh_resolve_output+0x147/0x220
[   61.306415]   [   61.306415] [<c144541b>] ip6_finish_output2+0x2fb/0x910
[   61.306415]   [   61.306415] [<c14494e6>] ip6_finish_output+0xa6/0x1a0
[   61.306415]   [   61.306415] [<c1449635>] ip6_output+0x55/0x320
[   61.306415]   [   61.306415] [<c146f4d2>] mld_sendpack+0x352/0x560
[   61.306415]   [   61.306415] [<c146fe55>] mld_ifc_timer_expire+0x155/0x280
[   61.306415]   [   61.306415] [<c108b081>] call_timer_fn+0x81/0x270
[   61.306415]   [   61.306415] [<c108b331>] expire_timers+0xc1/0x180
[   61.306415]   [   61.306415] [<c108b4f7>] run_timer_softirq+0x77/0x150
[   61.306415]   [   61.306415] [<c1043d04>] __do_softirq+0xb4/0x3d0
[   61.306415]   [   61.306415] [<c101a15c>] do_softirq_own_stack+0x1c/0x30
[   61.306415]   [   61.306415] [<c104416e>] irq_exit+0x8e/0xa0
[   61.306415]   [   61.306415] [<c1019d31>] do_IRQ+0x51/0x100
[   61.306415]   [   61.306415] [<c14bc176>] common_interrupt+0x36/0x40
[   61.306415]   [   61.306415] [<c1134928>] set_root+0x68/0xf0
[   61.306415]   [   61.306415] [<c1136120>] path_init+0x400/0x640
[   61.306415]   [   61.306415] [<c11386bf>] path_lookupat+0xf/0xe0
[   61.306415]   [   61.306415] [<c1139ebc>] filename_lookup+0x6c/0x100
[   61.306415]   [   61.306415] [<c1139fd5>] user_path_at_empty+0x25/0x30
[   61.306415]   [   61.306415] [<c11298c6>] SyS_faccessat+0x86/0x1e0
[   61.306415]   [   61.306415] [<c1129a30>] SyS_access+0x10/0x20
[   61.306415]   [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]   [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]
[   61.306415] to a SOFTIRQ-irq-unsafe lock:
[   61.306415]  (&dev->lock){+.+...}
[   61.306415] ... which became SOFTIRQ-irq-unsafe at:
[   61.306415] ...[   61.306415]
[   61.306415] [<c1075c0c>] __lock_acquire+0x59c/0x1770
[   61.306415]   [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]   [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]   [   61.306415] [<c133747d>] phy_probe+0x4d/0xc0
[   61.306415]   [   61.306415] [<c1338afe>] phy_attach_direct+0xbe/0x190
[   61.306415]   [   61.306415] [<c1338ca7>] phy_connect_direct+0x17/0x60
[   61.306415]   [   61.306415] [<c1338d23>] phy_connect+0x33/0x70
[   61.306415]   [   61.306415] [<d09357a0>] r6040_init_one+0x3a0/0x500 [r6040]
[   61.306415]   [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]   [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]   [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]   [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]   [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]   [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]   [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]   [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]   [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]   [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]   [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]   [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]   [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]   [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]   [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]
[   61.306415] other info that might help us debug this:
[   61.306415]
[   61.306415]  Possible interrupt unsafe locking scenario:
[   61.306415]
[   61.306415]        CPU0                    CPU1
[   61.306415]        ----                    ----
[   61.306415]   lock(&dev->lock);
[   61.306415]                                local_irq_disable();
[   61.306415]                                lock(&(&lp->lock)->rlock);
[   61.306415]                                lock(&dev->lock);
[   61.306415]   <Interrupt>
[   61.306415]     lock(&(&lp->lock)->rlock);
[   61.306415]
[   61.306415]  *** DEADLOCK ***
[   61.306415]
[   61.306415] 2 locks held by ifconfig/449:
[   61.306415]  #0:  (rtnl_mutex){+.+.+.}, at: [<c13b68ef>] rtnl_lock+0xf/0x20
[   61.306415]  #1:  (&(&lp->lock)->rlock){+.-...}, at: [<d0934c84>] r6040_close+0x24/0x230 [r6040]
[   61.306415]
[   61.306415] the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
[   61.306415] -> (&(&lp->lock)->rlock){+.-...} ops: 3049 {
[   61.306415]    HARDIRQ-ON-W at:
[   61.306415]                     [   61.306415] [<c1075be7>] __lock_acquire+0x577/0x1770
[   61.306415]                     [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                     [   61.306415] [<c14bb21b>] _raw_spin_lock+0x1b/0x30
[   61.306415]                     [   61.306415] [<d09343cc>] r6040_poll+0x2c/0x330 [r6040]
[   61.306415]                     [   61.306415] [<c13a5577>] net_rx_action+0x197/0x340
[   61.306415]                     [   61.306415] [<c1043d04>] __do_softirq+0xb4/0x3d0
[   61.306415]                     [   61.306415] [<c1044037>] run_ksoftirqd+0x17/0x40
[   61.306415]                     [   61.306415] [<c105fe91>] smpboot_thread_fn+0x141/0x180
[   61.306415]                     [   61.306415] [<c105c84e>] kthread+0xde/0x110
[   61.306415]                     [   61.306415] [<c14bb949>] ret_from_fork+0x19/0x30
[   61.306415]    IN-SOFTIRQ-W at:
[   61.306415]                     [   61.306415] [<c1075bc5>] __lock_acquire+0x555/0x1770
[   61.306415]                     [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                     [   61.306415] [<c14bb334>] _raw_spin_lock_irqsave+0x24/0x40
[   61.306415]                     [   61.306415] [<d0934ac0>] r6040_start_xmit+0x30/0x1d0 [r6040]
[   61.306415]                     [   61.306415] [<c13a7d4d>] dev_hard_start_xmit+0x9d/0x2d0
[   61.306415]                     [   61.306415] [<c13c8a38>] sch_direct_xmit+0xa8/0x140
[   61.306415]                     [   61.306415] [<c13a8436>] __dev_queue_xmit+0x416/0x780
[   61.306415]                     [   61.306415] [<c13a87aa>] dev_queue_xmit+0xa/0x10
[   61.306415]                     [   61.306415] [<c13b4837>] neigh_resolve_output+0x147/0x220
[   61.306415]                     [   61.306415] [<c144541b>] ip6_finish_output2+0x2fb/0x910
[   61.306415]                     [   61.306415] [<c14494e6>] ip6_finish_output+0xa6/0x1a0
[   61.306415]                     [   61.306415] [<c1449635>] ip6_output+0x55/0x320
[   61.306415]                     [   61.306415] [<c146f4d2>] mld_sendpack+0x352/0x560
[   61.306415]                     [   61.306415] [<c146fe55>] mld_ifc_timer_expire+0x155/0x280
[   61.306415]                     [   61.306415] [<c108b081>] call_timer_fn+0x81/0x270
[   61.306415]                     [   61.306415] [<c108b331>] expire_timers+0xc1/0x180
[   61.306415]                     [   61.306415] [<c108b4f7>] run_timer_softirq+0x77/0x150
[   61.306415]                     [   61.306415] [<c1043d04>] __do_softirq+0xb4/0x3d0
[   61.306415]                     [   61.306415] [<c101a15c>] do_softirq_own_stack+0x1c/0x30
[   61.306415]                     [   61.306415] [<c104416e>] irq_exit+0x8e/0xa0
[   61.306415]                     [   61.306415] [<c1019d31>] do_IRQ+0x51/0x100
[   61.306415]                     [   61.306415] [<c14bc176>] common_interrupt+0x36/0x40
[   61.306415]                     [   61.306415] [<c1134928>] set_root+0x68/0xf0
[   61.306415]                     [   61.306415] [<c1136120>] path_init+0x400/0x640
[   61.306415]                     [   61.306415] [<c11386bf>] path_lookupat+0xf/0xe0
[   61.306415]                     [   61.306415] [<c1139ebc>] filename_lookup+0x6c/0x100
[   61.306415]                     [   61.306415] [<c1139fd5>] user_path_at_empty+0x25/0x30
[   61.306415]                     [   61.306415] [<c11298c6>] SyS_faccessat+0x86/0x1e0
[   61.306415]                     [   61.306415] [<c1129a30>] SyS_access+0x10/0x20
[   61.306415]                     [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                     [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]    INITIAL USE at:
[   61.306415]                    [   61.306415] [<c107586e>] __lock_acquire+0x1fe/0x1770
[   61.306415]                    [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                    [   61.306415] [<c14bb334>] _raw_spin_lock_irqsave+0x24/0x40
[   61.306415]                    [   61.306415] [<d093474e>] r6040_get_stats+0x1e/0x60 [r6040]
[   61.306415]                    [   61.306415] [<c139fb16>] dev_get_stats+0x96/0xc0
[   61.306415]                    [   61.306415] [<c14b416e>] rtnl_fill_stats+0x36/0xfd
[   61.306415]                    [   61.306415] [<c13b7b3c>] rtnl_fill_ifinfo+0x47c/0xce0
[   61.306415]                    [   61.306415] [<c13bc08e>] rtmsg_ifinfo_build_skb+0x4e/0xd0
[   61.306415]                    [   61.306415] [<c13bc120>] rtmsg_ifinfo.part.20+0x10/0x40
[   61.306415]                    [   61.306415] [<c13bc16b>] rtmsg_ifinfo+0x1b/0x20
[   61.306415]                    [   61.306415] [<c13a9d19>] register_netdevice+0x409/0x550
[   61.306415]                    [   61.306415] [<c13a9e72>] register_netdev+0x12/0x20
[   61.306415]                    [   61.306415] [<d09357e8>] r6040_init_one+0x3e8/0x500 [r6040]
[   61.306415]                    [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]                    [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]                    [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]                    [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]                    [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]                    [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]                    [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]                    [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]                    [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]                    [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]                    [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]                    [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]                    [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]                    [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                    [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]  }
[   61.306415]  ... key      at: [<d0936280>] __key.45893+0x0/0xfffff739 [r6040]
[   61.306415]  ... acquired at:
[   61.306415]    [   61.306415] [<c1074a32>] check_irq_usage+0x42/0xb0
[   61.306415]    [   61.306415] [<c107677c>] __lock_acquire+0x110c/0x1770
[   61.306415]    [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]    [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]    [   61.306415] [<c1336276>] phy_stop+0x16/0x80
[   61.306415]    [   61.306415] [<d0934ce9>] r6040_close+0x89/0x230 [r6040]
[   61.306415]    [   61.306415] [<c13a0a91>] __dev_close_many+0x61/0xa0
[   61.306415]    [   61.306415] [<c13a0bbf>] __dev_close+0x1f/0x30
[   61.306415]    [   61.306415] [<c13a9127>] __dev_change_flags+0x87/0x150
[   61.306415]    [   61.306415] [<c13a9213>] dev_change_flags+0x23/0x60
[   61.306415]    [   61.306415] [<c1416238>] devinet_ioctl+0x5f8/0x6f0
[   61.306415]    [   61.306415] [<c1417f75>] inet_ioctl+0x65/0x90
[   61.306415]    [   61.306415] [<c1389b54>] sock_ioctl+0x124/0x2b0
[   61.306415]    [   61.306415] [<c113cf7c>] do_vfs_ioctl+0x7c/0x790
[   61.306415]    [   61.306415] [<c113d6b8>] SyS_ioctl+0x28/0x50
[   61.306415]    [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]    [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]
[   61.306415]
the dependencies between the lock to be acquired[   61.306415]  and SOFTIRQ-irq-unsafe lock:
[   61.306415] -> (&dev->lock){+.+...} ops: 56 {
[   61.306415]    HARDIRQ-ON-W at:
[   61.306415]                     [   61.306415] [<c1075be7>] __lock_acquire+0x577/0x1770
[   61.306415]                     [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                     [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]                     [   61.306415] [<c133747d>] phy_probe+0x4d/0xc0
[   61.306415]                     [   61.306415] [<c1338afe>] phy_attach_direct+0xbe/0x190
[   61.306415]                     [   61.306415] [<c1338ca7>] phy_connect_direct+0x17/0x60
[   61.306415]                     [   61.306415] [<c1338d23>] phy_connect+0x33/0x70
[   61.306415]                     [   61.306415] [<d09357a0>] r6040_init_one+0x3a0/0x500 [r6040]
[   61.306415]                     [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]                     [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]                     [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]                     [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]                     [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]                     [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]                     [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]                     [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]                     [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]                     [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]                     [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]                     [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]                     [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]                     [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                     [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]    SOFTIRQ-ON-W at:
[   61.306415]                     [   61.306415] [<c1075c0c>] __lock_acquire+0x59c/0x1770
[   61.306415]                     [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                     [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]                     [   61.306415] [<c133747d>] phy_probe+0x4d/0xc0
[   61.306415]                     [   61.306415] [<c1338afe>] phy_attach_direct+0xbe/0x190
[   61.306415]                     [   61.306415] [<c1338ca7>] phy_connect_direct+0x17/0x60
[   61.306415]                     [   61.306415] [<c1338d23>] phy_connect+0x33/0x70
[   61.306415]                     [   61.306415] [<d09357a0>] r6040_init_one+0x3a0/0x500 [r6040]
[   61.306415]                     [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]                     [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]                     [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]                     [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]                     [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]                     [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]                     [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]                     [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]                     [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]                     [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]                     [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]                     [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]                     [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]                     [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                     [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]    INITIAL USE at:
[   61.306415]                    [   61.306415] [<c107586e>] __lock_acquire+0x1fe/0x1770
[   61.306415]                    [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                    [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]                    [   61.306415] [<c133747d>] phy_probe+0x4d/0xc0
[   61.306415]                    [   61.306415] [<c1338afe>] phy_attach_direct+0xbe/0x190
[   61.306415]                    [   61.306415] [<c1338ca7>] phy_connect_direct+0x17/0x60
[   61.306415]                    [   61.306415] [<c1338d23>] phy_connect+0x33/0x70
[   61.306415]                    [   61.306415] [<d09357a0>] r6040_init_one+0x3a0/0x500 [r6040]
[   61.306415]                    [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]                    [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]                    [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]                    [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]                    [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]                    [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]                    [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]                    [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]                    [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]                    [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]                    [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]                    [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]                    [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]                    [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                    [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]  }
[   61.306415]  ... key      at: [<c1f28f39>] __key.43998+0x0/0x8
[   61.306415]  ... acquired at:
[   61.306415]    [   61.306415] [<c1074a32>] check_irq_usage+0x42/0xb0
[   61.306415]    [   61.306415] [<c107677c>] __lock_acquire+0x110c/0x1770
[   61.306415]    [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]    [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]    [   61.306415] [<c1336276>] phy_stop+0x16/0x80
[   61.306415]    [   61.306415] [<d0934ce9>] r6040_close+0x89/0x230 [r6040]
[   61.306415]    [   61.306415] [<c13a0a91>] __dev_close_many+0x61/0xa0
[   61.306415]    [   61.306415] [<c13a0bbf>] __dev_close+0x1f/0x30
[   61.306415]    [   61.306415] [<c13a9127>] __dev_change_flags+0x87/0x150
[   61.306415]    [   61.306415] [<c13a9213>] dev_change_flags+0x23/0x60
[   61.306415]    [   61.306415] [<c1416238>] devinet_ioctl+0x5f8/0x6f0
[   61.306415]    [   61.306415] [<c1417f75>] inet_ioctl+0x65/0x90
[   61.306415]    [   61.306415] [<c1389b54>] sock_ioctl+0x124/0x2b0
[   61.306415]    [   61.306415] [<c113cf7c>] do_vfs_ioctl+0x7c/0x790
[   61.306415]    [   61.306415] [<c113d6b8>] SyS_ioctl+0x28/0x50
[   61.306415]    [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]    [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]
[   61.306415]
[   61.306415] stack backtrace:
[   61.306415] CPU: 0 PID: 449 Comm: ifconfig Not tainted 4.9.0-gb898d2d-manuel #1
[   61.306415] Call Trace:
[   61.306415]  dump_stack+0x16/0x19
[   61.306415]  check_usage+0x3f6/0x550
[   61.306415]  ? check_usage+0x4d/0x550
[   61.306415]  check_irq_usage+0x42/0xb0
[   61.306415]  __lock_acquire+0x110c/0x1770
[   61.306415]  lock_acquire+0x7c/0x150
[   61.306415]  ? phy_stop+0x16/0x80
[   61.306415]  mutex_lock_nested+0x2d/0x4a0
[   61.306415]  ? phy_stop+0x16/0x80
[   61.306415]  ? r6040_close+0x24/0x230 [r6040]
[   61.306415]  ? __delay+0x9/0x10
[   61.306415]  phy_stop+0x16/0x80
[   61.306415]  r6040_close+0x89/0x230 [r6040]
[   61.306415]  __dev_close_many+0x61/0xa0
[   61.306415]  __dev_close+0x1f/0x30
[   61.306415]  __dev_change_flags+0x87/0x150
[   61.306415]  dev_change_flags+0x23/0x60
[   61.306415]  devinet_ioctl+0x5f8/0x6f0
[   61.306415]  inet_ioctl+0x65/0x90
[   61.306415]  sock_ioctl+0x124/0x2b0
[   61.306415]  ? dlci_ioctl_set+0x30/0x30
[   61.306415]  do_vfs_ioctl+0x7c/0x790
[   61.306415]  ? trace_hardirqs_on+0xb/0x10
[   61.306415]  ? call_rcu_sched+0xd/0x10
[   61.306415]  ? __put_cred+0x32/0x50
[   61.306415]  ? SyS_faccessat+0x178/0x1e0
[   61.306415]  SyS_ioctl+0x28/0x50
[   61.306415]  do_int80_syscall_32+0x3f/0x110
[   61.306415]  entry_INT80_32+0x2f/0x2f
[   61.306415] EIP: 0xb764d364
[   61.306415] EFLAGS: 00000286 CPU: 0
[   61.306415] EAX: ffffffda EBX: 00000004 ECX: 00008914 EDX: bfa99d7c
[   61.306415] ESI: bfa99e4c EDI: fffffffe EBP: 00000004 ESP: bfa99d58
[   61.306415]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[   63.836607] r6040 0000:00:08.0 eth0: Link is Down

Signed-off-by: Manuel Bessler <manuel.bessler@sensus.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:35:12 -05:00
Dan Carpenter
3a7f0762a6 irda: w83977af_ir: cleanup an indent issue
In commit 99d8d2159d ("irda: w83977af_ir: Neaten logging"), we
accidentally added an extra tab to these lines.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:32:58 -05:00
Philippe Reynes
7cafe8f824 net: sfc: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Tested-by: Bert Kenward <bkenward@solarflare.com>
Acked-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
Philippe Reynes
99bff5ee44 net: davicom: dm9000: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
Philippe Reynes
93dfe6c290 net: cirrus: ep93xx: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
Philippe Reynes
b7b44fd23e net: chelsio: cxgb3: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
Philippe Reynes
49cad93909 net: chelsio: cxgb2: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
David S. Miller
6219d05506 Merge branch 'bpf-fixes'
Daniel Borkmann says:

====================
Couple of BPF fixes

This set contains three BPF fixes for net, one that addresses the
complaint from Geert wrt static allocations, and the other is a fix
wrt mem accounting that I found recently during testing and there's
still one more fix on the map value marking.

Thanks!

v1 -> v2:
  - Patch 1 as is.
  - Fixed kbuild bot issue by letting charging helpers stay in the
    syscall.c, since there locked_vm is valid and only export the
    ones needed by bpf_prog_realloc(). Add empty stubs in case the
    bpf syscall is not enabled.
  - Added patch 3 that addresses one more issue in map val marking.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:27:45 -05:00