Commit Graph

519543 Commits

Author SHA1 Message Date
Andy Lutomirski
c1e6e5cb94 selftests, x86: Remove useless run_tests rule
Now that selftests/x86 uses the kselftest infrastructure, the
run_x86_tests.sh mechanism is just in the way.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-05-12 20:02:22 -06:00
Tyler Baker
07620abec8 selftests/x86: install tests
Include lib.mk and set TEST_PROGS where appropriate.

Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Tyler Baker <tyler.baker@linaro.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-05-12 20:00:37 -06:00
Tyler Baker
1872d01ab4 selftest/x86: have no dependency on all when cross building
If the CROSS_COMPILE is set remove all's dependency on all_32 and all_64.

Cc: Andy Lutomirski <luto@amacapital.net>
Acked-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Tyler Baker <tyler.baker@linaro.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-05-12 20:00:15 -06:00
Tyler Baker
f9ea4a333c selftest/x86: build both bitnesses
Using uname with the processor flag option in some cases can yield 'unknown'
so lets use the machine flag option as it is deterministic. Add a dependency
for all_32 when building on a x86 64 bit host so that both bitnesses are
built in this case.

Cc: Andy Lutomirski <luto@amacapital.net>
Acked-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Tyler Baker <tyler.baker@linaro.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-05-12 19:59:55 -06:00
Linus Torvalds
6c9d370c16 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "One build fix for build breakage of all MIPS SMP kernels caused by
  Rusty's fix of obsolete use of cpu mask helpers, another to fix the FP
  ABI selection when loading an ELF binary"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: fix FP mode selection in lieu of .MIPS.abiflags data
  MIPS: SMP: Fix build error.
2015-05-12 16:02:06 -07:00
Linus Torvalds
03906ca389 Changes for 4.1-rc3
Update MAINTAINERS git repo pointer
   printk garbage fix
   Fix for qib and iw_cxgb4 bugs introduced in 4.1 window
   Fix for an older iWARP netlink bug
   Fix a memcpy issue in ehca driver
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma fixes from Doug Ledford:
 - update MAINTAINERS git repo pointer
 - printk garbage fix
 - fix for qib and iw_cxgb4 bugs introduced in 4.1 window
 - fix for an older iWARP netlink bug
 - fix a memcpy issue in ehca driver

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  infiniband: Remove duplicated KERN_<LEVEL> from pr_<level> uses
  IB/qib: fix test of unsigned variable
  RDMA/core: Fix for parsing netlink string attribute
  MAINTAINERS: update the official rdma git repo
  iw_cxgb4: use wildcard mapping for getting remote addr info
  IB/ehca: use correct destination for memcpy
2015-05-12 15:54:54 -07:00
Nicolas Dichtel
e3d8ecb70e netns: return RTM_NEWNSID instead of RTM_GETNSID on a get
Usually, RTM_NEWxxx is returned on a get (same as a dump).

Fixes: 0c7aecd4bd ("netns: add rtnl cmd to add and get peer netns ids")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-12 18:53:25 -04:00
Linus Torvalds
cc49e8c9e6 power supply and reset fixes for the v4.1 series
* misc. fixes
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Merge tag 'for-v4.1-rc' of git://git.infradead.org/battery-2.6

Pull power supply and reset fixes from Sebastian Reichel:
 "misc fixes"

* tag 'for-v4.1-rc' of git://git.infradead.org/battery-2.6:
  power: bq27x00_battery: Add missing MODULE_ALIAS
  power: reset: Add MFD_SYSCON depends for brcmstb
  power: reset: ltc2952: Remove bogus hrtimer_start() return value checks
  power_supply: fix oops in collie_battery driver
  power/reset: at91: fix return value check in at91_reset_platform_probe()
  MAINTAINERS: Add me as maintainer of Nokia N900 power supply drivers
  axp288_fuel_gauge: Add original author details
2015-05-12 15:49:29 -07:00
Rafael J. Wysocki
ff284f37fc Revert "ACPICA: Permanently set _REV to the value '2'."
Revert commit b1ef297258 (ACPICA: Permanently set _REV to the value
'2'.) as it causes a sound regression to happen on Dell XPS 13 (2015).

Reported-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-05-13 00:44:14 +02:00
Joshua Kinard
4305689d1e MIPS: IP32: Fix build errors in reset code in DS1685 platform hook.
Fix two build errors in reset code introduced in DS1685 platform hook patch.

Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Fixes: 15beb694c6: "mips: ip32: add platform data hooks to use DS1685 driver"
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: LKML <linux-kernel@vger.kernel.org>
Cc: rtc-linux@googlegroups.com
Cc: Linux MIPS List <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/9787/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-05-13 00:01:41 +02:00
Nicholas Mc Guire
5f508c43a7 MIPS: KVM: Fix unused variable build warning
As kvm_mips_complete_mmio_load() did not yet modify PC at this point
as James Hogans <james.hogan@imgtec.com> explained the curr_pc variable
and the comments along with it can be dropped.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Link: http://lkml.org/lkml/2015/5/8/422
Cc: Gleb Natapov <gleb@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: kvm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9993/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-05-12 23:53:56 +02:00
Petri Gynther
2d2ec2f7c9 MIPS: traps: remove extra Tainted: line from __show_regs() output
__show_regs() calls show_regs_print_info(), which already outputs
the Tainted: information. So, no need to output it twice.

Signed-off-by: Petri Gynther <pgynther@google.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9997/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-05-12 23:50:33 +02:00
Aaro Koskinen
73d8f99ce4 MIPS: Fix wrong CHECKFLAGS (sparse builds) with GCC 5.1
GCC 5.1 defines __REGISTER_PREFIX__ to $. This will break sparse
command line (and build fails with: /bin/sh: syntax error:
unexpected "(") since make tries to expand starting with the dollar
sign with a make variable. Prevent that by using double dollar sign.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10025/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-05-12 23:22:39 +02:00
Maciej W. Rozycki
03dce59527 MIPS: Fix a preemption issue with thread's FPU defaults
Fix "BUG: using smp_processor_id() in preemptible" reported in accesses
to thread's FPU defaults: the value to initialise FSCR to at program
startup, the FCSR r/w mask and the contents of FIR in full FPU
emulation, removing a regression introduced with 9b26616c [MIPS: Respect
the ISA level in FCSR handling] and f6843626 [MIPS: math-emu: Set FIR
feature flags for full emulation].

Use `boot_cpu_data' to obtain the data from, following the approach that
`cpu_has_*' macros take and avoiding the call to `smp_processor_id' made
in the reference to `current_cpu_data'.  The contents of FSCR have to be
consistent across processors in an SMP system, the settings there must
not change as a thread is migrated across processors.  And the contents
of FIR are guaranteed to be consistent in FPU emulation, by definition.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Tested-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Tested-by: Paul Martin <paul.martin@codethink.co.uk>
Cc: Markos Chandras <Markos.Chandras@imgtec.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10030/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-05-12 23:15:49 +02:00
Will Deacon
466c1eb07f perf tools: Use getconf to determine number of online CPUs
Parsing /proc/cpuinfo is a fiddly, arch-dependent business and a recent
change to get it working for Sparc broke arm and arm64 platforms.

Use sysconf to determine the number of online CPUs only parsing
/proc/cpuinfo when sysconf is not available.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <david.ahern@oracle.com>
Cc: Mark Rutland <Mark.Rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20150423140454.GJ1652@arm.com
[ Made it fall back to parsing /proc when getconf not found ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-05-12 18:11:16 -03:00
Andi Kleen
85a9fb47c5 tools: Fix tools/vm build
libabikfs.a doesn't exist anymore, so we now need to link with libapi.a.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1426199953-15324-1-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-05-12 18:11:06 -03:00
Helge Deller
d045c77c1a parisc,metag: Fix crashes due to stack randomization on stack-grows-upwards architectures
On architectures where the stack grows upwards (CONFIG_STACK_GROWSUP=y,
currently parisc and metag only) stack randomization sometimes leads to crashes
when the stack ulimit is set to lower values than STACK_RND_MASK (which is 8 MB
by default if not defined in arch-specific headers).

The problem is, that when the stack vm_area_struct is set up in fs/exec.c, the
additional space needed for the stack randomization (as defined by the value of
STACK_RND_MASK) was not taken into account yet and as such, when the stack
randomization code added a random offset to the stack start, the stack
effectively got smaller than what the user defined via rlimit_max(RLIMIT_STACK)
which then sometimes leads to out-of-stack situations and crashes.

This patch fixes it by adding the maximum possible amount of memory (based on
STACK_RND_MASK) which theoretically could be added by the stack randomization
code to the initial stack size. That way, the user-defined stack size is always
guaranteed to be at minimum what is defined via rlimit_max(RLIMIT_STACK).

This bug is currently not visible on the metag architecture, because on metag
STACK_RND_MASK is defined to 0 which effectively disables stack randomization.

The changes to fs/exec.c are inside an "#ifdef CONFIG_STACK_GROWSUP"
section, so it does not affect other platformws beside those where the
stack grows upwards (parisc and metag).

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Cc: James Hogan <james.hogan@imgtec.com>
Cc: linux-metag@vger.kernel.org
Cc: stable@vger.kernel.org # v3.16+
2015-05-12 22:03:44 +02:00
Joe Perches
f4f01b542c infiniband: Remove duplicated KERN_<LEVEL> from pr_<level> uses
These KERN_<LEVEL> uses are unnecessary with pr_<level> and cause
bad logging output so remove them.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-05-12 15:52:37 -04:00
Fabio Estevam
f0828ba96d iio: light: hid-sensor-prox: Fix memory leak in probe()
'channels' is allocated via kmemdup and it is never freed.

Use 'indio_dev->channels' directly instead, so that we avoid such
memory leak problem.

Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-05-12 20:01:13 +01:00
Naidu Tellapati
f29b212edb iio: adc: cc10001: Add delay before setting START bit
According to hardware team there should be some delay after
setting channel number, start mode and before setting START.
Add a one microsecond delay for this purpose.

Fixes: 1664f6a5b0 ("iio: adc: Cosmic Circuits 10001 ADC driver")
Signed-off-by: Naidu Tellapati <naidu.tellapati@imgtec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-05-12 20:01:13 +01:00
Naidu Tellapati
65a761bf8d iio: adc: cc10001: Fix regulator_get_voltage() return value check
regulator_get_voltage() returns a non-negative value in case of success,
and a negative error in case of error. Let's fix this.

Fixes: 1664f6a5b0 ("iio: adc: Cosmic Circuits 10001 ADC driver")
Signed-off-by: Naidu Tellapati <naidu.tellapati@imgtec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-05-12 20:01:12 +01:00
Naidu Tellapati
713276ea88 iio: adc: cc10001: Fix incorrect use of power-up/power-down register
At present we are incorrectly setting the register to 0x1 to power up
the ADC. Since it is an active high power down register, we need to set
the register to 0x0 to actually power up. Conversely, writing 0x1 to the
register powers it down.

This commit adds a couple of helpers to make the code clearer and then
use them to do the power-up/power-down properly.

Fixes: 1664f6a5b0 ("iio: adc: Cosmic Circuits 10001 ADC driver")
Signed-off-by: Naidu Tellapati <naidu.tellapati@imgtec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-05-12 20:00:58 +01:00
Julien Grall
e5cbec617f ARM: EXYNOS: Don't try to initialize suspend on old DT
Since commit 8b283c0254 ("ARM: exynos4/5: convert pmu wakeup to
stacked domains"), a suspend/resume is not supported on old DT.

Although, rather than printing a warning and continue to boot, the
kernel will segfault just after:

------------[ cut here ]------------

WARNING: CPU: 1 PID: 1 at arch/arm/mach-exynos/suspend.c:726 exynos_pm_init+0x4c/0xc8()
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.1.0-rc3 #1
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[<c02181c4>] (unwind_backtrace) from [<c0213b2c>] (show_stack+0x10/0x14)
[<c0213b2c>] (show_stack) from [<c0949890>] (dump_stack+0x70/0x8c)
[<c0949890>] (dump_stack) from [<c024f0b0>] (warn_slowpath_common+0x74/0xac)
[<c024f0b0>] (warn_slowpath_common) from [<c024f104>] (warn_slowpath_null+0x1c/0x24)
[<c024f104>] (warn_slowpath_null) from [<c0cf1d28>] (exynos_pm_init+0x4c/0xc8)
[<c0cf1d28>] (exynos_pm_init) from [<c0ceaae8>] (init_machine_late+0x1c/0x28)
[<c0ceaae8>] (init_machine_late) from [<c020aa64>] (do_one_initcall+0x80/0x1d0)
[<c020aa64>] (do_one_initcall) from [<c0ce8d4c>] (kernel_init_freeable+0x10c/0x1d8)
[<c0ce8d4c>] (kernel_init_freeable) from [<c0944a2c>] (kernel_init+0x8/0xe4)
[<c0944a2c>] (kernel_init) from [<c0210e60>] (ret_from_fork+0x14/0x34)
---[ end trace 335bd937d409f3c7 ]---
Outdated DT detected, suspend/resume will NOT work
Unable to handle kernel NULL pointer dereference at virtual address 00000608
pgd = c0204000
[00000608] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W       4.1.0-rc3 #1
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
task: db06c000 ti: db05a000 task.ti: db05a000
PC is at exynos_pm_init+0x6c/0xc8
LR is at exynos_pm_init+0x54/0xc8
pc : [<c0cf1d48>]    lr : [<c0cf1d30>]    psr: 60000113
sp : db05bee8  ip : 00000000  fp : 00000000
r10: 00000116  r9 : c0dab2d4  r8 : d8d5f440
r7 : c0db7ad8  r6 : c0db7ad8  r5 : 00000000  r4 : c0ceaacc
r3 : c0eb2aec  r2 : c0951e40  r1 : 00000000  r0 : c0eb2acc
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
Control: 10c5387d  Table: 6020406a  DAC: 00000015
Process swapper/0 (pid: 1, stack limit = 0xdb05a220)
Stack: (0xdb05bee8 to 0xdb05c000)
bee0:                   c0db7ad8 c0d8fe34 c0cf17c8 c0ceaae8 00000000 c020aa64
bf00: 00000033 c09580b8 db04fd00 c0ed79a4 c0eb1000 c0ce8588 c0ca2bc4 c0353fcc
bf20: 00000000 c0df358c 60000113 00000000 dbfffba4 00000000 c0ca2bc4 c026654c
bf40: c0b80134 c0ca1a64 00000007 00000007 c0df3554 c0d6c2f4 00000007 c0d6c2d4
bf60: c0eb1000 c0ce8588 c0dab2d4 00000116 00000000 c0ce8d4c 00000007 00000007
bf80: c0ce8588 c0944a24 00000000 c0944a24 00000000 00000000 00000000 00000000
bfa0: 00000000 c0944a2c 00000000 c0210e60 00000000 00000000 00000000 00000000
bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[<c0cf1d48>] (exynos_pm_init) from [<c0ceaae8>] (init_machine_late+0x1c/0x28)
[<c0ceaae8>] (init_machine_late) from [<c020aa64>] (do_one_initcall+0x80/0x1d0)
[<c020aa64>] (do_one_initcall) from [<c0ce8d4c>] (kernel_init_freeable+0x10c/0x1d8)
[<c0ce8d4c>] (kernel_init_freeable) from [<c0944a2c>] (kernel_init+0x8/0xe4)
[<c0944a2c>] (kernel_init) from [<c0210e60>] (ret_from_fork+0x14/0x34)
Code: e59f005c e59220c0 e5901000 e5832000 (e591e608)
---[ end trace 335bd937d409f3c8 ]---

This is happening because pmu_base_addr is only initialized when the
PMU is an interrupt controller. It's not the case on old DT.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-05-13 03:49:04 +09:00
Javier Martinez Canillas
b270687977 ARM: dts: Add keep-power-in-suspend to WiFi SDIO node for Peach Boards
The Marvell mwifiex driver prevents the system to enter into a suspend
state if the card power is not preserved during a suspend/resume cycle.

So Suspend-to-RAM and Suspend-to-idle is failing on Exynos5800 Peach Pi
and Exynos5420 Peach Pit Chromebooks.

Add the keep-power-in-suspend Power Management property to the SDIO/MMC
node so the mwifiex suspend handler doesn't fail and the system is able
to enter into a suspend state.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-05-13 03:18:33 +09:00
Mike Marciniszyn
ec40f925e0 IB/qib: fix test of unsigned variable
Commit d4988623cc ("IB/qib: use arch_phys_wc_add()")
adjusted mtrr inititialization to use the new interface.

Unfortunately, the new interface returns a signed
value and the patch tested the unsigned wc_cookie.

Fix the issue by changing the type of wc_cookie to int.  For
the success case the ret left at zero to avoid
a warning from the caller.  For failure wc_cookie
is used as the ret.

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-05-12 13:55:41 -04:00
Alex Deucher
fcf3b54282 drm/radeon: add new bonaire pci id
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2015-05-12 13:42:46 -04:00
Tatyana Nikolova
ec04847c0c RDMA/core: Fix for parsing netlink string attribute
The string iwpm_ulib_name is recorded in a nlmsg as a netlink attribute.
Without this fix parsing of the nlmsg by the userspace port mapper service fails
because of unknown attribute length, causing the port mapper service not to
register the client, which has sent the nlmsg.

Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Cc: <stable@vger.kernel.org> #v3.16
Reviewed-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-05-12 13:03:04 -04:00
Paul Burton
620b155034 MIPS: fix FP mode selection in lieu of .MIPS.abiflags data
Commit 46490b5725 ("MIPS: kernel: elf: Improve the overall ABI and FPU
mode checks") reworked the ELF FP ABI mode selection logic, but when
CONFIG_MIPS_O32_FP64_SUPPORT is enabled it breaks the use of binaries
which have no PT_MIPS_ABIFLAGS program header & associated
.MIPS.abiflags section.

A default mode is selected based upon whether the ELF contains MIPS32 or
MIPS64 code, but that selection is made in arch_elf_pt_proc.
arch_elf_pt_proc only executes when a PT_MIPS_ABIFLAGS program header is
found. If one is not found then arch_elf_pt_proc is never called, and no
default overall_fp_mode value is selected. When arch_check_elf is
called, both abi0 & abi1 are MIPS_ABI_FP_UNKNOWN which leads to both
prog_req & interp_req being set to none_req. none_req matches none of
the conditions for mode selection at the end of arch_check_elf, so
overall_fp_mode is left untouched. Finally once mips_set_personality_fp
is called the BUG() in the default case is then hit & the kernel likely
panics.

Fix this by moving the selection of a default overall mode to the start
of arch_check_elf, which runs once per ELF executed regardless of
whether it has a PT_MIPS_ABIFLAGS program header.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: Matthew Fortune <matthew.fortune@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org # v4.0+
Patchwork: http://patchwork.linux-mips.org/patch/9978/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-05-12 18:54:05 +02:00
Will Deacon
4801ba338a arm64: perf: fix memory leak when probing PMU PPIs
Commit d795ef9aa8 ("arm64: perf: don't warn about missing
interrupt-affinity property for PPIs") added a check for PPIs so that
we avoid parsing the interrupt-affinity property for these naturally
affine interrupts.

Unfortunately, this check can trigger an early (successful) return and
we will leak the irqs array. This patch fixes the issue by reordering
the code so that the check is performed before any independent
allocation.

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-05-12 16:50:21 +01:00
Hans Ulli Kroll
31fc835fc7 ARM: gemini: fix compiler warning due wrong data type
This patch fixes a compiler warning in gemini_restart()
issued by commit 7b6d864b48 ("reboot:arm: reboot_mode
changes from char to enum reboot_mode").

arch/arm/mach-gemini/board-rut1xx.c:93:2: warning: initialization from incompatible pointer type

The warning is harmless, and the patch does not need to
be backported to stable kernels.

Fixes: 7b6d864b48 ("reboot:arm: reboot_mode changes from char to enum reboot_mode.")
Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-05-12 16:45:23 +02:00
Arnd Bergmann
4c4945392d Few fixes for omap clocks, PRM and hwmod code:
- Fix bogus comparison of struct clk pointers, turns out
   we can fix it by just removing the comparison
 
 - Fix am437 hardreset implementation and remove boottime
   warnings by adding the VPFE hwmod data
 
 - Regression fix for am43xx PRM code, simplify things
   by reusing the omap4 PRM implementation
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Merge tag 'omap-for-v4.1/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge "Few fixes for omap clocks, PRM and hwmod code" from Tony Lindgren:

- Fix bogus comparison of struct clk pointers, turns out
  we can fix it by just removing the comparison

- Fix am437 hardreset implementation and remove boottime
  warnings by adding the VPFE hwmod data

- Regression fix for am43xx PRM code, simplify things
  by reusing the omap4 PRM implementation

* tag 'omap-for-v4.1/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Remove bogus struct clk comparison for timer clock
  ARM: AM33xx+: hwmod: re-use omap4 implementations for reset functionality
  ARM: OMAP4+: PRM: add support for passing status register/bit info to reset
  ARM: AM43xx: hwmod: add VPFE hwmod entries
2015-05-12 16:41:28 +02:00
Sathya Perla
6938f85581 Update be2net maintainers' email addresses
Emulex developers' email addresses are now "@avagotech" instead of
"@emulex". I'm also replacing Subbu with Padmanabh and Sriharsha in the
maintainers list. The driver's heading was outdated and did not include
some of the chip types (BE3, Lancer and Skyhawk) that the driver has
been supporting for a longtime. I've updated this too.

Signed-off-by: Sathya Perla <sathya.perla@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-12 10:40:21 -04:00
Sudeep Holla
51ef519cbd ARM: vexpress/tc2: Add interrupt-affinity to the PMU node
Commit 9fd85eb502 ("ARM: pmu: add support for interrupt-affinity
property") added an optional "interrupt-affinity" property, to specify
the CPU affinity for each SPI listed in the interrupts property.

Without this property, we get this boot warning:

  CPU PMU: Failed to parse <no-node>/interrupt-affinity[0]

This patch adds interrupt-affinity to the PMU node in the
vexpress-ca15_a7(a.k.a TC2) device tree.

Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-05-12 16:39:50 +02:00
Robert Schwebel
613880a121 ARM: vexpress/ca9: Add interrupt-affinity to the PMU node
Commit 9fd85eb502 ("ARM: pmu: add support for interrupt-affinity
property") added an optional "interrupt-affinity" property, to specify
the CPU affinity for each SPI listed in the interrupts property.

Without this property, we get this boot warning:

  CPU PMU: Failed to parse <no-node>/interrupt-affinity[0]

This patch adds interrupt-affinity to the PMU node in the
vexpress-v2p-ca9 device tree.

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-05-12 16:39:43 +02:00
Robert Schwebel
2004f98acf ARM: vexpress/ca9: Add unified-cache property to l2 cache node
Commit d9d1f3e2d7 ("ARM: l2c: check that DT files specify the required
"cache-unified" property") mandates to specify this required property.
Without this property, we get this boot warning:

"L2C: device tree omits to specify unified cache"

This patch adds "cache-unified" property to L2 cache node in vexpress
CA9 device tree.

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-05-12 16:39:36 +02:00
Sudeep Holla
3bb1555c0d ARM64: juno: add sp810 support and fix sp804 clock frequency
The clock generator in IOFPGA generates the two source clocks: 32kHz and
1MHz for the SP810 System Controller.

The SP810 System Controller selects 32kHz or 1MHz as the sources for
TIM_CLK[3:0], the SP804 timer clocks. The powerup default is 32kHz but
the maximum of "refclk" and "timclk" is chosen by the SP810 driver.

This patch adds support for SP810 system controller and also fixes the
SP804 timer clock frequency.

However the SP804 driver needs to be enabled on ARM64 to test this,
which requires SP804 driver to be moved out of arch/arm.

Fixes: 71f867ec13 ("arm64: Add Juno board device tree.")
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-05-12 16:39:28 +02:00
Hans Ulli Kroll
b60e23ba25 ARM: Gemini: Maintainers update
Back in business.
New place for my repo on github

Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-05-12 16:38:05 +02:00
Arnd Bergmann
155171274d ARM: tegra: Device tree fixes for v4.1-rc3
This contains a fix for a bug that was introduced a couple of months ago
 by a patch that git misapplied because of a lack of context.
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Merge tag 'tegra-for-4.1-fixes-for-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into fixes

Merge "ARM: tegra: Device tree fixes for v4.1-rc3" from Thierry Reding:

This contains a fix for a bug that was introduced a couple of months ago
by a patch that git misapplied because of a lack of context.

* tag 'tegra-for-4.1-fixes-for-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: Correct which USB controller has the UTMI pad registers
2015-05-12 15:37:01 +02:00
Christian König
607d480635 drm/radeon: fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling
The mapping range is inclusive between starting and ending addresses.

Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-05-12 09:12:42 -04:00
Ralf Baechle
cafb45b256 MIPS: SMP: Fix build error.
CC      arch/mips/kernel/smp.o
arch/mips/kernel/smp.c: In function ‘start_secondary’:
arch/mips/kernel/smp.c:149:2: error: passing argument 2 of ‘cpumask_set_cpu’ discards ‘volatile’ qualifier from pointer target type [-Werror]
  cpumask_set_cpu(cpu, &cpu_callin_map);
  ^
In file included from ./arch/mips/include/asm/processor.h:14:0,
                 from ./arch/mips/include/asm/thread_info.h:15,
                 from include/linux/thread_info.h:54,
                 from include/asm-generic/preempt.h:4,
                 from arch/mips/include/generated/asm/preempt.h:1,
                 from include/linux/preempt.h:18,
                 from include/linux/interrupt.h:8,
                 from arch/mips/kernel/smp.c:24:
include/linux/cpumask.h:272:91: note: expected ‘struct cpumask *’ but argument is of type ‘volatile struct cpumask_t *’
 static inline void cpumask_set_cpu(unsigned int cpu, struct cpumask *dstp)
                                                                                           ^
arch/mips/kernel/smp.c: In function ‘smp_prepare_boot_cpu’:
arch/mips/kernel/smp.c:211:2: error: passing argument 2 of ‘cpumask_set_cpu’ discards ‘volatile’ qualifier from pointer target type [-Werror]
  cpumask_set_cpu(0, &cpu_callin_map);
  ^
In file included from ./arch/mips/include/asm/processor.h:14:0,
                 from ./arch/mips/include/asm/thread_info.h:15,
                 from include/linux/thread_info.h:54,
                 from include/asm-generic/preempt.h:4,
                 from arch/mips/include/generated/asm/preempt.h:1,
                 from include/linux/preempt.h:18,
                 from include/linux/interrupt.h:8,
                 from arch/mips/kernel/smp.c:24:
include/linux/cpumask.h:272:91: note: expected ‘struct cpumask *’ but argument is of type ‘volatile struct cpumask_t *’
 static inline void cpumask_set_cpu(unsigned int cpu, struct cpumask *dstp)
                                                                                           ^
arch/mips/kernel/smp.c: In function ‘__cpu_up’:
arch/mips/kernel/smp.c:221:10: error: passing argument 2 of ‘cpumask_test_cpu’ discards ‘volatile’ qualifier from pointer target type [-Werror]
  while (!cpumask_test_cpu(cpu, &cpu_callin_map))
          ^
In file included from ./arch/mips/include/asm/processor.h:14:0,
                 from ./arch/mips/include/asm/thread_info.h:15,
                 from include/linux/thread_info.h:54,
                 from include/asm-generic/preempt.h:4,
                 from arch/mips/include/generated/asm/preempt.h:1,
                 from include/linux/preempt.h:18,
                 from include/linux/interrupt.h:8,
                 from arch/mips/kernel/smp.c:24:
include/linux/cpumask.h:294:90: note: expected ‘const struct cpumask *’ but argument is of type ‘volatile struct cpumask_t *’
 static inline int cpumask_test_cpu(int cpu, const struct cpumask *cpumask)
                                                                                          ^
cc1: all warnings being treated as errors
make[2]: *** [arch/mips/kernel/smp.o] Error 1
make[1]: *** [arch/mips/kernel] Error 2
make: *** [arch/mips] Error 2

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-05-12 09:13:30 +02:00
Doug Ledford
2936ae04aa MAINTAINERS: update the official rdma git repo
Linus prefers kernel.org repos to github repos for security.

Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-05-11 21:03:36 -04:00
Linus Torvalds
4cfceaf0c0 Merge branch 'for-4.1' of git://linux-nfs.org/~bfields/linux
Pull nfsd bugfixes from Bruce Fields:
 "Mainly pnfs fixes (and for problems with generic callback code made
  more obvious by pnfs)"

* 'for-4.1' of git://linux-nfs.org/~bfields/linux:
  nfsd: skip CB_NULL probes for 4.1 or later
  nfsd: fix callback restarts
  nfsd: split transport vs operation errors for callbacks
  svcrpc: fix potential GSSX_ACCEPT_SEC_CONTEXT decoding failures
  nfsd: fix pNFS return on close semantics
  nfsd: fix the check for confirmed openowner in nfs4_preprocess_stateid_op
  nfsd/blocklayout: pretend we can send deviceid notifications
2015-05-11 14:42:52 -07:00
Steve Wise
940fd304d2 iw_cxgb4: use wildcard mapping for getting remote addr info
For listening endpoints bound to the wildcard address, we need to pass
the wildcard address mapping to iwpm_get_remote_info() instead of the
mapped address of the new child connection.

Without this fix, and with iwarp port mapping enabled, each iw_cxgb4
connection that is spawned from a listening endpoint bound to the wildcard
address, will generate an annoying dmesg entry about failing to find
the remote address mapping info, and the connection state displayed in
debugfs under /sys/kernel/debug/iw_cxgb4/<pci-slot-no>/eps  will not have
the peer's address/port mapping info.  The connection still works though.

Fixes: 5b6b8fe ("RDMA/cxgb4: Report the actual address of the remote connecting peer")

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-05-11 17:16:49 -04:00
Nicholas Mc Guire
94634e9861 IB/ehca: use correct destination for memcpy
Using an element of a struct as the address for the memcpy of the whole
struct may introduce a buffer overflow and does not help readability either
simply pass the real thing as first argument to memcpy.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-05-11 17:14:37 -04:00
Linus Torvalds
ef208162b7 spi: Fixes for v4.1
A number of driver specific fixes (including several missing
 dependencies for randconfig type cases) plus two core fixes.  One makes
 the setup_transfer() callback optional which unbreaks some drivers which
 had been merged with it omitted due to local versions of this patch and
 another ensures that we don't corrupt data by leaking internal dummy
 buffers to callers, causing the callers to think they allocated those
 buffers.
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Merge tag 'spi-fix-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A number of driver specific fixes (including several missing
  dependencies for randconfig type cases) plus two core fixes.

  One makes the setup_transfer() callback optional which unbreaks some
  drivers which had been merged with it omitted due to local versions of
  this patch and another ensures that we don't corrupt data by leaking
  internal dummy buffers to callers, causing the callers to think they
  allocated those buffers"

* tag 'spi-fix-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: fsl-espi: fix behaviour for full-duplex xfers
  spi: fsl-spi: fix devm_ioremap_resource() error case
  spi: Kconfig: Add SOC_LS1021A to SPI_FSL_DSPI dependence
  spi/omap2-mcpsi: Always call spi_finalize_current_message()
  spi: fsl-spi: use devm_ioremap_resource() to map parameter ram on CPM1
  spi: bitbang: Make setup_transfer() callback optional
  spi: check tx_buf and rx_buf in spi_unmap_msg
  spi: bcm2835: change timeout of polling driver to 1s
  spi: bcm2835: Add GPIOLIB dependency
2015-05-11 13:57:47 -07:00
Tony Lindgren
e60a8fe179 ARM: OMAP2+: first set of hwmod fixes for v4.1-rc
Fix a few AM43xx problems: add the VPFE hwmod data, which removes some
 warnings; and fix the IP block hardreset implementation.
 
 Basic build, boot, and PM test results are here:
 
 http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1-rc/20150508130543/
 
 Note that I do not have an AM43xx board in the testbed, and thus
 cannot test on that platform.
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Merge tag 'for-v4.1-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.1/fixes

ARM: OMAP2+: first set of hwmod fixes for v4.1-rc

Fix a few AM43xx problems: add the VPFE hwmod data, which removes some
warnings; and fix the IP block hardreset implementation.

Basic build, boot, and PM test results are here:

http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.1-rc/20150508130543/

Note that I do not have an AM43xx board in the testbed, and thus
cannot test on that platform.
2015-05-11 13:23:19 -07:00
Tony Lindgren
b0897972ed ARM: OMAP2+: Remove bogus struct clk comparison for timer clock
With recent changes to use determine_rate, the comparison of two
clocks won't work without clk_is_match that does __clk_get_hw
on the clocks first.

As we've been unconditionally already calling clk_set_parent
already because of the bogus comparison, let's just remove the
check as suggested by Stephen Boyd <sboyd@codeaurora.org>.

Cc: Michael Turquette <mturquette@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-11 13:18:19 -07:00
Linus Torvalds
a156e0682f IOMMU Fixes for Linux v4.1-rc3
Three fixes have queued up:
 
         * Reference count fix in the AMD IOMMUv2 driver
 
         * Sign extension fix in the ARM-SMMU driver
 
 	* Build fix for rockchip driver with device tree
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Merge tag 'iommu-fixes-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fixes from Joerg Roedel:
 "Three fixes have queued up:

   - reference count fix in the AMD IOMMUv2 driver

   - sign extension fix in the ARM-SMMU driver

   - build fix for rockchip driver with device tree"

* tag 'iommu-fixes-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/arm-smmu: Fix sign-extension of upstream bus addresses at stage 1
  iommu/rockchip: Fix build without CONFIG_OF
  iommu/amd: Fix bug in put_pasid_state_wait
2015-05-11 11:09:54 -07:00
Linus Torvalds
9c922a55db Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes a the implementation of CRC32 on arm64 where it incorrectly
  applied negation on the result.

  It also fixes the arm64 implementations of SHA/SHA256 where in some
  cases it may end up finalising the result twice"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: arm64/sha2-ce - prevent asm code finalization in final() path
  crypto: arm64/sha1-ce - prevent asm code finalization in final() path
  crypto: arm64/crc32 - bring in line with generic CRC32
2015-05-11 11:05:13 -07:00
Linus Torvalds
b3e5838ac0 Merge branch 'for-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
 "Rather big for fixes pull.

   - SCC controllers never lived to see the light of the day.  Both
     libata and ide drivers removed.

   - In some configurations, link power management policy changes
     sometimes cause delayed spurious PHY events which can develop into
     noticeable failures.  This has been reported several times over the
     years.  Gabriele's patches suppress PHY events for a while after
     LPM policy changes which should help most of these failures without
     causing too much problem for hotplug use cases.

   - A few controller specific fixes"

[ Hmm.  I don't think removing SSC support is really a "fix", but hey, it
  removes a lot of lines of code.  Which I like.  So ...  good riddance ]

* 'for-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  ahci: avoton port-disable reset-quirk
  ata: select DW_DMAC in case of SATA_DWC
  libata: Blacklist queued TRIM on all Samsung 800-series
  libata: Ignore spurious PHY event on LPM policy change
  libata: Add helper to determine when PHY events should be ignored
  ata: ahci_st: fixup layering violations / drvdata errors
  Remove celleb-only SCC PATA drivers
2015-05-11 10:54:20 -07:00