This patch adds the value of the CNP opcode to the existing list of enumerated
opcodes in ib_pack.h
Add common OPA header definitions for driver
build:
- opa_port_info.h
- opa_smi.h
- hfi1_user.h
Additionally, ib_mad.h, has additional definitions
that are common to ib_drivers including:
- trap support
- cca support
The qib driver has the duplication removed in favor
those in ib_mad.h
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: John, Jubin <jubin.john@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
The HW hasn't been sold since 2005, and the SW has definite bit rot.
Its time to remove it. So move it to staging for a few releases and
then remove it after that.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
It is now time for the ipath driver to begin to be phased out of the kernel.
This patch moves the ipath driver from the Infiniband sub tree to the staging
area where it will remain until the code is removed from the kernel in a few
releases.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Create the rdma directory in the staging area for use as we deprecate
some older drivers and as we bring in some new drivers that are in
need of work. Update the MAINTAINERS file so that updates to these
files go to linux-rdma@vger.kernel.org. Expected lifespan of this
directory is three releases for any deprecated drivers moved here
and an unknown, but theoretically bounded amount of time for the new
drivers as a new core RDMA transfer library needs to be written and
the drivers modified to use it in order for them to move out of this
directory.
Signed-off-by: Doug Ledford <dledford@redhat.com>
Add support for ipv6 address handling clip api provided by lld
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Resolving a link-local IPv6 address with an unspecified source address
was broken by commit 5462eddd7a, which prevented the IPv6 stack from
learning the scope id of the link-local IPv6 address, causing random
failures as the IP stack chose a random link to resolve the address on.
This commit 5462eddd7a made us bail out of cma_check_linklocal early if
the address passed in was not an IPv6 link-local address. On the address
resolution path, the address passed in is the source address; if the
source address is the unspecified address, which is not link-local, we
will bail out early.
This is mostly correct, but if the destination address is a link-local
address, then we will be following a link-local route, and we'll need to
tell the IPv6 stack what the scope id of the destination address is.
This used to be done by last line of cma_check_linklocal, which is
skipped when bailing out early:
dev_addr->bound_dev_if = sin6->sin6_scope_id;
(In cma_bind_addr, the sin6_scope_id of the source address is set to the
sin6_scope_id of the destination address, so this is correct)
This line is required in turn for the following line, L279 of
addr6_resolve, to actually inform the IPv6 stack of the scope id:
fl6.flowi6_oif = addr->bound_dev_if;
Since we can only know we are in this failure case when we have access
to both the source IPv6 address and destination IPv6 address, we have to
deal with this further up the stack. So detect this failure case in
cma_bind_addr, and set bound_dev_if to the destination address scope id
to correct it.
Signed-off-by: Spencer Baugh <sbaugh@catern.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Something like this:
CPU A CPU B
Acked-by: Sean Hefty <sean.hefty@intel.com>
======================== ================================
ucma_destroy_id()
wait_for_completion()
.. anything
ucma_put_ctx()
complete()
.. continues ...
ucma_leave_multicast()
mutex_lock(mut)
atomic_inc(ctx->ref)
mutex_unlock(mut)
ucma_free_ctx()
ucma_cleanup_multicast()
mutex_lock(mut)
kfree(mc)
rdma_leave_multicast(mc->ctx->cm_id,..
Fix it by latching the ref at 0. Once it goes to 0 mc and ctx cannot
leave the mutex(mut) protection.
The other atomic_inc in ucma_get_ctx is OK because mutex(mut) protects
it from racing with ucma_destroy_id.
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Acked-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This enables ORD/IRD negotiation and its about time to enable it by
default
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Currently the sg tablesize, which dictates fast register page list
depth to use, does not take into account the limits of the rdma device.
So adjust it once we discover the device fastreg max depth limit. Also
adjust the max_sectors based on the resulting sg tablesize.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
The only place that assigns mr inside the loop already does a break.
So "if (mr)" will never be true here since the function initializes mr
to NULL at the top. We can just drop the extra if and break here.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Acked-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
The lkey table is allocated with with a get_user_pages() with an
order based on a number of index bits from a module parameter.
The underlying kernel code cannot allocate that many contiguous pages.
There is no reason the underlying memory needs to be physically
contiguous.
This patch:
- switches the allocation/deallocation to vmalloc/vfree
- caps the number of bits to 23 to insure at least 1 generation bit
o this matches the module parameter description
Cc: stable@vger.kernel.org
Reviewed-by: Vinit Agnihotri <vinit.abhay.agnihotri@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Should be all the page sizes that are supported by the
device.
Reported-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
The mlx5 driver exposes device capability IB_DEVICE_LOCAL_DMA_LKEY
but does not set the the device local_dma_lkey. This breaks
rpcrdma drivers.
Query and set this lkey when creating the device resources.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
A couple of major (hang and deadlock) fixes with fortunately fairly rare
triggering conditions. The PM oops is only really triggered by people using
enclosure services (rare) and the fnic driver is mostly used in enterprise
environments.
Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"A couple of major (hang and deadlock) fixes with fortunately fairly
rare triggering conditions. The PM oops is only really triggered by
people using enclosure services (rare) and the fnic driver is mostly
used in enterprise environments"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
SCSI: Fix NULL pointer dereference in runtime PM
fnic: Use the local variable instead of I/O flag to acquire io_req_lock in fnic_queuecommand() to avoid deadloack
Pull MIPS bug fixes from Ralf Baechle:
"Two more fixes for 4.2.
One fixes a build issue with the LLVM assembler - LLVM assembler macro
names are case sensitive, GNU as macro names are insensitive; the
other corrects a license string (GPL v2, not GPLv2) such that the
module loader will recognice the license correctly"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
FIRMWARE: bcm47xx_nvram: Fix module license.
MIPS: Fix LLVM build issue.
Pull 9p regression fix from Al Viro:
"Fix for breakage introduced when switching p9_client_{read,write}() to
struct iov_iter * (went into 4.1)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
9p: ensure err is initialized to 0 in p9_client_read/write
Some use of those functions were providing unitialized values to those
functions. Notably, when reading 0 bytes from an empty file on a 9P
filesystem, the return code of read() was not 0.
Tested with this simple program:
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
int main(int argc, const char **argv)
{
assert(argc == 2);
char buffer[256];
int fd = open(argv[1], O_RDONLY|O_NOCTTY);
assert(fd >= 0);
assert(read(fd, buffer, 0) == 0);
return 0;
}
Cc: stable@vger.kernel.org # v4.1
Signed-off-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Pull ARM fixes from Russell King:
"Another couple of small ARM fixes.
A patch from Masahiro Yamada who noticed that "make -jN all zImage"
would end up generating bad images where N > 1, and a patch from
Nicolas to fix the Marvell CPU user access optimisation code when page
faults are disabled"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8418/1: add boot image dependencies to not generate invalid images
ARM: 8414/1: __copy_to_user_memcpy: fix mmap semaphore usage
Pull x86 fixes from Ingo Molnar:
"Various low level fixes: fix more fallout from the FPU rework and the
asm entry code rework, plus an MSI rework fix, and an idle-tracing fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu/math-emu: Fix crash in fork()
x86/fpu/math-emu: Fix math-emu boot crash
x86/idle: Restore trace_cpu_idle to mwait_idle() calls
x86/irq: Build correct vector mapping for multiple MSI interrupts
Revert "sched/x86_64: Don't save flags on context switch"
Pull perf fixes from Ingo Molnar:
"Tooling fixes: a 'perf record' deadlock fix plus debuggability fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf top: Show backtrace when handling a SIGSEGV on --stdio mode
perf tools: Fix buildid processing
perf tools: Make fork event processing more resilient
perf tools: Avoid deadlock when map_groups are broken
Pull irq fixes from Thomas Gleixner:
"A series of small fixlets for a regression visible on OMAP devices
caused by the conversion of the OMAP interrupt chips to hierarchical
interrupt domains. Mostly one liners on the driver side plus a small
helper function in the core to avoid open coded mess in the drivers"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/crossbar: Restore set_wake functionality
irqchip/crossbar: Restore the mask on suspend behaviour
ARM: OMAP: wakeupgen: Restore the irq_set_type() mechanism
irqchip/crossbar: Restore the irq_set_type() mechanism
genirq: Introduce irq_chip_set_type_parent() helper
genirq: Don't return ENOSYS in irq_chip_retrigger_hierarchy
Pull timer fixes from Thomas Gleixner:
"Two minimalistic fixes for 4.2 regressions:
- Eric fixed a thinko in the timer_list base switching code caused by
the overhaul of the timer wheel. It can cause a cpu to see the
wrong base for a timer while we move the timer around.
- Guenter fixed a regression for IMX if booted w/o device tree, where
the timer interrupt is not initialized and therefor the machine
fails to boot"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/imx: Fix boot with non-DT systems
timer: Write timer->flags atomically
During later stages of math-emu bootup the following crash triggers:
math_emulate: 0060:c100d0a8
Kernel panic - not syncing: Math emulation needed in kernel
CPU: 0 PID: 1511 Comm: login Not tainted 4.2.0-rc7+ #1012
[...]
Call Trace:
[<c181d50d>] dump_stack+0x41/0x52
[<c181c918>] panic+0x77/0x189
[<c1003530>] ? math_error+0x140/0x140
[<c164c2d7>] math_emulate+0xba7/0xbd0
[<c100d0a8>] ? fpu__copy+0x138/0x1c0
[<c1109c3c>] ? __alloc_pages_nodemask+0x12c/0x870
[<c136ac20>] ? proc_clear_tty+0x40/0x70
[<c136ac6e>] ? session_clear_tty+0x1e/0x30
[<c1003530>] ? math_error+0x140/0x140
[<c1003575>] do_device_not_available+0x45/0x70
[<c100d0a8>] ? fpu__copy+0x138/0x1c0
[<c18258e6>] error_code+0x5a/0x60
[<c1003530>] ? math_error+0x140/0x140
[<c100d0a8>] ? fpu__copy+0x138/0x1c0
[<c100c205>] arch_dup_task_struct+0x25/0x30
[<c1048cea>] copy_process.part.51+0xea/0x1480
[<c115a8e5>] ? dput+0x175/0x200
[<c136af70>] ? no_tty+0x30/0x30
[<c1157242>] ? do_vfs_ioctl+0x322/0x540
[<c104a21a>] _do_fork+0xca/0x340
[<c1057b06>] ? SyS_rt_sigaction+0x66/0x90
[<c104a557>] SyS_clone+0x27/0x30
[<c1824a80>] sysenter_do_call+0x12/0x12
The reason is the incorrect assumption in fpu_copy(), that FNSAVE
can be executed from math-emu kernels as well.
Don't try to copy the registers, the soft state will be copied
by fork anyway, so the child task inherits the parent task's
soft math state.
With this fix applied math-emu kernels boot up fine on modern
hardware and the 'no387 nofxsr' boot options.
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Bobby Powers <bobbypowers@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
On a math-emu bootup the following crash occurs:
Initializing CPU#0
------------[ cut here ]------------
kernel BUG at arch/x86/kernel/traps.c:779!
invalid opcode: 0000 [#1] SMP
[...]
EIP is at do_device_not_available+0xe/0x70
[...]
Call Trace:
[<c18238e6>] error_code+0x5a/0x60
[<c1002bd0>] ? math_error+0x140/0x140
[<c100bbd9>] ? fpu__init_cpu+0x59/0xa0
[<c1012322>] cpu_init+0x202/0x330
[<c104509f>] ? __native_set_fixmap+0x1f/0x30
[<c1b56ab0>] trap_init+0x305/0x346
[<c1b548af>] start_kernel+0x1a5/0x35d
[<c1b542b4>] i386_start_kernel+0x82/0x86
The reason is that in the following commit:
b1276c48e9 ("x86/fpu: Initialize fpregs in fpu__init_cpu_generic()")
I failed to consider math-emu's limitation that it cannot execute the
FNINIT instruction in kernel mode.
The long term fix might be to allow math-emu to execute (certain) kernel
mode FPU instructions, but for now apply the safe (albeit somewhat ugly)
fix: initialize the emulation state explicitly without trapping out to
the FPU emulator.
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
While the idea behind get_maintainer seems highly useful it's
unfortunately way to trigger happy to grab people that once had a few
commits to files. For someone like me who does a lot of tree-wide API
work that leads to an incredible amount of Cc spam.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit c48a11c7ad ("netvm: propagate page->pfmemalloc to skb") added
checks for page->pfmemalloc to __skb_fill_page_desc():
if (page->pfmemalloc && !page->mapping)
skb->pfmemalloc = true;
It assumes page->mapping == NULL implies that page->pfmemalloc can be
trusted. However, __delete_from_page_cache() can set set page->mapping
to NULL and leave page->index value alone. Due to being in union, a
non-zero page->index will be interpreted as true page->pfmemalloc.
So the assumption is invalid if the networking code can see such a page.
And it seems it can. We have encountered this with a NFS over loopback
setup when such a page is attached to a new skbuf. There is no copying
going on in this case so the page confuses __skb_fill_page_desc which
interprets the index as pfmemalloc flag and the network stack drops
packets that have been allocated using the reserves unless they are to
be queued on sockets handling the swapping which is the case here and
that leads to hangs when the nfs client waits for a response from the
server which has been dropped and thus never arrive.
The struct page is already heavily packed so rather than finding another
hole to put it in, let's do a trick instead. We can reuse the index
again but define it to an impossible value (-1UL). This is the page
index so it should never see the value that large. Replace all direct
users of page->pfmemalloc by page_is_pfmemalloc which will hide this
nastiness from unspoiled eyes.
The information will get lost if somebody wants to use page->index
obviously but that was the case before and the original code expected
that the information should be persisted somewhere else if that is
really needed (e.g. what SLAB and SLUB do).
[akpm@linux-foundation.org: fix blooper in slub]
Fixes: c48a11c7ad ("netvm: propagate page->pfmemalloc to skb")
Signed-off-by: Michal Hocko <mhocko@suse.com>
Debugged-by: Vlastimil Babka <vbabka@suse.com>
Debugged-by: Jiri Bohac <jbohac@suse.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: <stable@vger.kernel.org> [3.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Resource management
- Don't use 64-bit bus addresses on PA-RISC
Miscellaneous
- Tolerate hierarchies with no Root Port
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Merge tag 'pci-v4.2-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"These are fixes for ASPM-related NULL pointer dereference crashes on
Sparc and PowerPC and 64-bit PCI address-related HPMC crashes on
PA-RISC. These are both caused by things we merged in the v4.2 merge
window. Details:
Resource management
- Don't use 64-bit bus addresses on PA-RISC
Miscellaneous
- Tolerate hierarchies with no Root Port"
* tag 'pci-v4.2-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Don't use 64-bit bus addresses on PA-RISC
PCI: Tolerate hierarchies with no Root Port
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Merge tag 'media/v4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- a regression fix at the videobuf2 core driver
- fix error handling at mantis probing code
- revert the IR encode patches, as the API is not mature enough.
So, better to postpone the changes to a latter Kernel
- fix Kconfig breakages on some randconfig scenarios.
* tag 'media/v4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] mantis: Fix error handling in mantis_dma_init()
Revert "[media] rc: rc-ir-raw: Add scancode encoder callback"
Revert "[media] rc: rc-ir-raw: Add Manchester encoder (phase encoder) helper"
Revert "[media] rc: ir-rc5-decoder: Add encode capability"
Revert "[media] rc: ir-rc6-decoder: Add encode capability"
Revert "[media] rc: rc-core: Add support for encode_wakeup drivers"
Revert "[media] rc: rc-loopback: Add loopback of filter scancodes"
Revert "[media] rc: nuvoton-cir: Add support for writing wakeup samples via sysfs filter callback"
[media] vb2: Fix compilation breakage when !CONFIG_BUG
[media] vb2: Only requeue buffers immediately once streaming is started
[media] media/pci/cobalt: fix Kconfig and build when SND is not enabled
[media] media/dvb: fix ts2020.c Kconfig and build
Pull input layer fix from Dmitry Torokhov:
"A small fixup to gpio_keys_polled driver"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: gpio_keys_polled - request GPIO pin as input.
Pull drm fixes from Dave Airlie:
"A bunch of i915 fixes, one revert a VBT fix that was a bit premature,
and some braswell feature removal that the hw actually didn't support.
One radeon race fix at boot, and one hlcdc build fix, one fix from
Russell that fixes build as well with new audio features.
This is hopefully all I have until -next"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: fix hotplug race at startup
drm/edid: add function to help find SADs
drm/i915: Avoid TP3 on CHV
drm/i915: remove HBR2 from chv supported list
Revert "drm/i915: Add eDP intermediate frequencies for CHV"
Revert "drm/i915: Allow parsing of variable size child device entries from VBT"
drm/atmel-hlcdc: Compile suspend/resume for PM_SLEEP only
drm/i915: Flag the execlists context object as dirty after every use
Revert of a VBT parsing commit that should've been queued for drm-next,
not v4.2. The revert unbreaks Braswell among other things.
Also on Braswell removal of DP HBR2/TP3 and intermediate eDP frequency
support. The code was optimistically added based on incorrect
documentation; the platform does not support them. These are cc: stable.
Finally a gpu state fix from Chris, also cc: stable.
* tag 'drm-intel-fixes-2015-08-20' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Avoid TP3 on CHV
drm/i915: remove HBR2 from chv supported list
Revert "drm/i915: Add eDP intermediate frequencies for CHV"
Revert "drm/i915: Allow parsing of variable size child device entries from VBT"
drm/i915: Flag the execlists context object as dirty after every use
- Fix a recently introduced issue in the ACPI backlight code which
causes lockdep to complain about a circular lock dependency during
initialization (Hans de Goede).
- Fix a possible memory during initialization in the Exynos cpufreq
driver (Shailendra Verma).
/
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Merge tag 'pm+acpi-4.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These fix a recent regression in the ACPI backlight code and a memory
leak in the Exynos cpufreq driver.
Specifics:
- Fix a recently introduced issue in the ACPI backlight code which
causes lockdep to complain about a circular lock dependency during
initialization (Hans de Goede).
- Fix a possible memory during initialization in the Exynos cpufreq
driver (Shailendra Verma)"
* tag 'pm+acpi-4.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: exynos: Fix for memory leak in case SoC name does not match
ACPI / video: Fix circular lock dependency issue in the video-detect code
* acpi-video:
ACPI / video: Fix circular lock dependency issue in the video-detect code
* cpufreq-fixes:
cpufreq: exynos: Fix for memory leak in case SoC name does not match
Meelis and Helge reported that 3a9ad0b4fd ("PCI: Add pci_bus_addr_t")
caused HPMCs on A500 and hangs on rp5470.
PA-RISC does not set ARCH_DMA_ADDR_T_64BIT, even for 64-bit kernels, so
prior to 3a9ad0b4fd, we always used 32-bit PCI addresses. After
3a9ad0b4fd, we do use 64-bit PCI addresses in 64-bit kernels, and
apparently there's some PA-RISC problem related to them.
Fixes: 3a9ad0b4fd ("PCI: Add pci_bus_addr_t")
Link: http://lkml.kernel.org/r/alpine.LRH.2.11.1507260929000.30065@math.ut.ee
Reported-by: Meelis Roos <mroos@linux.ee>
Reported-by: Helge Deller <deller@gmx.de>
Tested-by: Helge Deller <deller@gmx.de>
Based-on-idea-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
CC: stable@vger.kernel.org # v3.19+
Commit b253149b84 ("sched/idle/x86: Restore mwait_idle() to fix boot
hangs, to improve power savings and to improve performance") restores
mwait_idle(), but the trace_cpu_idle related calls are missing. This
causes powertop on my old desktop powered by Intel Core2 E6550 to
report zero wakeups and zero events.
Add them back to restore the proper behaviour.
Fixes: b253149b84 ("sched/idle/x86: Restore mwait_idle() to ...")
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Cc: <len.brown@intel.com>
Cc: stable@vger.kernel.org # 4.1
Link: http://lkml.kernel.org/r/1440046479-4262-1-git-send-email-jszhang@marvell.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Pull networking fixes from David Miller:
1) Out of bounds array access in 802.11 minstrel code, from Adrien
Schildknecht.
2) Don't use skb_get() in IGMP/MLD code paths, as this makes
pskb_may_pull() BUG. From Linus Luessing.
3) Fix off by one in ipv4 route dumping code, from Andy Whitcroft.
4) Fix deadlock in reqsk_queue_unlink(), from Eric Dumazet.
5) Fix ppp device deregistration wrt. netns deletion, from Guillaume
Nault.
6) Fix deadlock when creating per-cpu ipv6 routes, from Martin KaFai
Lau.
7) Fix memory leak in batman-adv code, from Sven Eckelmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
batman-adv: Fix memory leak on tt add with invalid vlan
net: phy: fix semicolon.cocci warnings
net: qmi_wwan: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module
be2net: avoid vxlan offloading on multichannel configs
ipv6: Fix a potential deadlock when creating pcpu rt
ipv6: Add rt6_make_pcpu_route()
ipv6: Remove un-used argument from ip6_dst_alloc()
net: phy: workaround for buggy cable detection by LAN8700 after cable plugging
net: ethernet: micrel: fix an error code
ppp: fix device unregistration upon netns deletion
net: phy: fix PHY_RUNNING in phy_state_machine
Revert "net: limit tcp/udp rmem/wmem to SOCK_{RCV,SND}BUF_MIN"
inet: fix potential deadlock in reqsk_queue_unlink()
gianfar: Restore link state settings after MAC reset
ipv4: off-by-one in continuation handling in /proc/net/route
net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code
mac80211: fix invalid read in minstrel_sort_best_tp_rates()
- Fix i386 build with an (uncommon) configuration
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Merge tag 'for-linus-4.2-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen build fix from David Vrabel:
"Fix i386 build with an (uncommon) configuration"
* tag 'for-linus-4.2-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: make CONFIG_XEN depend on CONFIG_X86_LOCAL_APIC
Here are a small collecton of sound fix patches. The most significant
one is the disablement of newly introduced topology API. Its ABI
couldn't be stabilized enough, so we decided to delay for 4.3 in the
end. Other than that, all oneliner fixes: a USB-audio runtime PM fix
and a couple of HD-audio quirks.
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Merge tag 'sound-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here are a small collecton of sound fix patches.
The most significant one is the disablement of newly introduced
topology API. Its ABI couldn't be stabilized enough, so we decided to
delay for 4.3 in the end. Other than that, all oneliner fixes: a
USB-audio runtime PM fix and a couple of HD-audio quirks"
* tag 'sound-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Add dock support for Thinkpad W541 (17aa:2211)
ALSA: usb-audio: Fix runtime PM unbalance
ASoC: topology: Disable use from userspace
ASoC: topology: Add Kconfig option for topology
ALSA: hda - Fix the white noise on Dell laptop
GPIOF_IN flag was lost in:
Commit 633a21d80b4a("input: gpio_keys_polled: Add support for GPIO
descriptors").
Without this flag, legacy code path (for non-descriptor GPIO declarations)
would configure GPIO as output (0 meaning GPIOF_DIR_OUT | GPIOF_INIT_LOW).
Cc: stable@vger.kernel.org
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull SCSI target fixes from Nicholas Bellinger:
"This contains a v4.2-rc specific RCU module unload regression bug-fix,
a long-standing iscsi-target bug-fix for duplicate target_xfer_tags
during NOP processing from Alexei, and two more small REPORT_LUNs
emulation related patches to make Solaris FC host LUN scanning happy
from Roland.
There is also one patch not included that allows target-core to limit
the number of fabric driver SGLs per I/O request using residuals, that
is currently required as a work-around for FC hosts which don't honor
EVPD block-limits settings. At this point, it will most likely become
for-next material"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix handling of small allocation lengths in REPORT LUNS
target: REPORT LUNS should return LUN 0 even for dynamic ACLs
target/iscsi: Fix double free of a TUR followed by a solicited NOPOUT
target: Perform RCU callback barrier before backend/fabric unload
Pull thermal fixes from Eduardo Valentin:
"Last minute fixes on the thermal-soc tree. There is a fix of a long
lasting bug in cpu cooling device, thanks for RMK for being pushing
this"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
thermal/cpu_cooling: update policy limits if clipped_freq < policy->max
thermal/cpu_cooling: rename max_freq as clipped_freq in notifier
thermal/cpu_cooling: rename cpufreq_val as clipped_freq
thermal/cpu_cooling: convert 'switch' block to 'if' block in notifier
thermal/cpu_cooling: quit early after updating policy
thermal/cpu_cooling: No need to initialize max_freq to 0
thermal: cpu_cooling: fix lockdep problems in cpu_cooling
thermal: power_allocator: do not use devm* interfaces
Commit 6dd747825b ("ARM: imx: move timer resources into a structure")
moved initialization parameters into a data structure, but neglected to set
the irq field in that data structure for non-DT boots. This causes the system
to hang if a non-DT boot is attempted.
Fixes: 6dd747825b ("ARM: imx: move timer resources into a structure")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: http://lkml.kernel.org/r/1440066441-13930-1-git-send-email-linux@roeck-us.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Since commit feb44f1f7a (x86/xen:
Provide a "Xen PV" APIC driver to support >255 VCPUs) Xen guests need
a full APIC driver and thus should depend on X86_LOCAL_APIC.
This fixes an i386 build failure with !SMP && !CONFIG_X86_UP_APIC by
disabling Xen support in this configuration.
Users needing Xen support in a non-SMP i386 kernel will need to enable
CONFIG_X86_UP_APIC.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: <stable@vger.kernel.org>
User visible:
- Fix buildid processing done at the end of a 'perf record' session, a
problem that happened in workloads involving lots of small short-lived
processes. That code was not asking the perf_session layer to order
the events.
Make the code more robust to handle some of the problems with such
out-of-order events and fix 'perf record' to ask for ordered events
on systems where we have perf_event_attr.sample_id_all. (Adrian Hunter)
- Show backtrace when handling a SIGSEGV in 'perf top --stdio' (Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
- Fix buildid processing done at the end of a 'perf record' session, a
problem that happened in workloads involving lots of small short-lived
processes. That code was not asking the perf_session layer to order
the events.
Make the code more robust to handle some of the problems with such
out-of-order events and fix 'perf record' to ask for ordered events
on systems where we have perf_event_attr.sample_id_all. (Adrian Hunter)
- Show backtrace when handling a SIGSEGV in 'perf top --stdio' (Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Add a function to find the start of the SADs in the ELD. This
complements the helper to retrieve the SAD count.
[airlied: this fixes a build problem with the alsa eld helper
which required this].
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The TI crossbar irqchip doesn't provides any facility to configure the
wakeup sources, but the conversion to hierarchical irqdomains set the
irq_set_wake callback to irq_chip_set_wake_parent. The parent chip
(OMAP wakeupgen) has no irq_set_wake function either so the call will
fail with -ENOSYS. As a result the irq_set_wake() call in the resume
path will trigger an 'Unbalanced wake disable' warning.
Before the conversion the GIC irqchip was the top level irqchip and
correctly flagged with IRQCHIP_SKIP_SET_WAKE.
Restore the correct behaviour by removing the irq_set_type callback
from the crossbar irqchip and set the IRQCHIP_SKIP_SET_WAKE flag which
lets the irq_set_irq_wake() call from the driver succeed.
[ tglx: Massaged changelog ]
Fixes: 783d31863f ('irqchip: crossbar: Convert dra7 crossbar...')
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: <linux@arm.linux.org.uk>
Cc: <nsekhar@ti.com>
Cc: <jason@lakedaemon.net>
Cc: <balbi@ti.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: <tony@atomide.com>
Cc: <marc.zyngier@arm.com>
Cc: stable@vger.kernel.org # 4.1
Link: http://lkml.kernel.org/r/1439554830-19502-7-git-send-email-grygorii.strashko@ti.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
The ARM GIC requires that all interrupts which are not used as a
wakeup source have to be masked during suspend.
The conversion of the crossbar irqchip to hierarchical irq domains
failed to mark the crossbar irqchip with the IRQCHIP_MASK_ON_SUSPEND
flag and therefor broke the suspend requirement of the GIC.
Before the conversion the flags were visible because the GIC was the
top level irqchip. After the conversion the crossbar irqchip is the
top level irq chip whose flags are evaluated in suspend_device_irq().
As the flag is not set the masking of the non-wakeup irqs is not
invoked which breaks suspend.
Add the IRQCHIP_MASK_ON_SUSPEND flag to the crossbar irqchip, so the
GIC interrupts get masked properly.
[ tglx: Massaged changelog ]
Fixes: 783d31863f ('irqchip: crossbar: Convert dra7 crossbar...')
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: <linux@arm.linux.org.uk>
Cc: <nsekhar@ti.com>
Cc: <jason@lakedaemon.net>
Cc: <balbi@ti.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: <tony@atomide.com>
Cc: <marc.zyngier@arm.com>
Cc: stable@vger.kernel.org # 4.1
Link: http://lkml.kernel.org/r/1439554830-19502-6-git-send-email-grygorii.strashko@ti.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
