- Mainly fix-ups for the various 4.2 items
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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:
"Mainly fix-ups for the various 4.2 items"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (24 commits)
IB/core: Destroy ocrdma_dev_id IDR on module exit
IB/core: Destroy multcast_idr on module exit
IB/mlx4: Optimize do_slave_init
IB/mlx4: Fix memory leak in do_slave_init
IB/mlx4: Optimize freeing of items on error unwind
IB/mlx4: Fix use of flow-counters for process_mad
IB/ipath: Convert use of __constant_<foo> to <foo>
IB/ipoib: Set MTU to max allowed by mode when mode changes
IB/ipoib: Scatter-Gather support in connected mode
IB/ucm: Fix bitmap wrap when devnum > IB_UCM_MAX_DEVICES
IB/ipoib: Prevent lockdep warning in __ipoib_ib_dev_flush
IB/ucma: Fix lockdep warning in ucma_lock_files
rds: rds_ib_device.refcount overflow
RDMA/nes: Fix for incorrect recording of the MAC address
RDMA/nes: Fix for resolving the neigh
RDMA/core: Fixes for port mapper client registration
IB/IPoIB: Fix bad error flow in ipoib_add_port()
IB/mlx4: Do not attemp to report HCA clock offset on VFs
IB/cm: Do not queue work to a device that's going away
IB/srp: Avoid using uninitialized variable
...
If a failure occurs during probe, brcmstb_gpio_remove() is called. In
remove, we call platform_get_drvdata(), but at the time of failure in
the probe the driver data hadn't yet been set which leads to a NULL
ptr dereference in the remove's list_for_each. Call
platform_set_drvdata() and set up list head right after allocating the
priv struct to both avoid the null pointer dereference that could
occur today. To guard against potential future changes, check for
null pointer in remove.
Reported-by: Tim Ross <tross@broadcom.com>
Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch has the driver automatically reread partitions if a namespace
has a separate metadata format. Previously revalidating a disk was
sufficient to get the correct capacity set on such formatted drives,
but partitions that may exist would not have been surfaced.
Reported-by: Paul Grabinar <paul.grabinar@ranbarg.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Cc: Matthew Wilcox <willy@linux.intel.com>
Tested-by: Paul Grabinar <paul.grabinar@ranbarg.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Merge tag 'locks-v4.2-1' of git://git.samba.org/jlayton/linux
Pull file locking updates from Jeff Layton:
"I had thought that I was going to get away without a pull request this
cycle. There was a NFSv4 file locking problem that cropped up that I
tried to fix in the NFSv4 code alone, but that fix has turned out to
be problematic. These patches fix this in the correct way.
Note that this touches some NFSv4 code as well. Ordinarily I'd wait
for Trond to ACK this, but he's on holiday right now and the bug is
rather nasty. So I suggest we merge this and if he raises issues with
it we can sort it out when he gets back"
Acked-by: Bruce Fields <bfields@fieldses.org>
Acked-by: Dan Williams <dan.j.williams@intel.com>
[ +1 to this series fixing a 100% reproducible slab corruption +
general protection fault in my nfs-root test environment. - Dan ]
Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
* tag 'locks-v4.2-1' of git://git.samba.org/jlayton/linux:
locks: inline posix_lock_file_wait and flock_lock_file_wait
nfs4: have do_vfs_lock take an inode pointer
locks: new helpers - flock_lock_inode_wait and posix_lock_inode_wait
locks: have flock_lock_file take an inode pointer instead of a filp
Revert "nfs: take extra reference to fl->fl_file when running a LOCKU operation"
- Makefile changes (top-level+ARC) reinstates -O3 builds (regression since 3.16)
- IDU intc related fixes, IRQ affinity
- patch to make bitops safer for ARC
- perf fix from Alexey to remove signed PC braino
- Futex backend gets llock/scond support
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Merge tag 'arc-v4.2-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
- Makefile changes (top-level+ARC) reinstates -O3 builds (regression
since 3.16)
- IDU intc related fixes, IRQ affinity
- patch to make bitops safer for ARC
- perf fix from Alexey to remove signed PC braino
- Futex backend gets llock/scond support
* tag 'arc-v4.2-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: support HS38 releases
ARC: make sure instruction_pointer() returns unsigned value
ARC: slightly refactor macros for boot logging
ARC: Add llock/scond to futex backend
arc:irqchip: prepare for drivers/irqchip/irqchip.h removal
ARC: Make ARC bitops "safer" (add anti-optimization)
ARCv2: [axs103] bump CPU frequency from 75 to 90 MHZ
ARCv2: intc: IDU: Fix potential race in installing a chained IRQ handler
ARCv2: intc: IDU: support irq affinity
ARC: fix unused var wanring
ARC: Don't memzero twice in dma_alloc_coherent for __GFP_ZERO
ARC: Override toplevel default -O2 with -O3
kbuild: Allow arch Makefiles to override {cpp,ld,c}flags
ARCv2: guard SLC DMA ops with spinlock
ARC: Kconfig: better way to disable ARC_HAS_LLSC for ARC_CPU_750D
Pull s390 fixes from Martin Schwidefsky:
"One improvement for the zcrypt driver, the quality attribute for the
hwrng device has been missing. Without it the kernel entropy seeding
will not happen automatically.
And six bug fixes, the most important one is the fix for the vector
register corruption due to machine checks"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/nmi: fix vector register corruption
s390/process: fix sfpc inline assembly
s390/dasd: fix kernel panic when alias is set offline
s390/sclp: clear upper register halves in _sclp_print_early
s390/oprofile: fix compile error
s390/sclp: fix compile error
s390/zcrypt: enable s390 hwrng to seed kernel entropy
The end of jfs_rename(), which is also used by the error paths,
included a call to IWRITE_UNLOCK(new_ip) after labels out1, out2
and out3. If we come in through these labels, IWRITE_LOCK() has not
been called yet.
In moving that call to the correct spot, I also moved some
exceptional truncate code earlier as well, since the early error
paths don't need to deal with it, and I renamed out4: to out_tx: so
a future patch by Jan Kara doesn't need to deal with renumbering or
confusing out-of-order labels.
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
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Merge tag 'module-final-v4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull final init.h/module.h code relocation from Paul Gortmaker:
"With the release of 4.2-rc2 done, we should not be seeing any new code
added that gets upset by this small code move, and we've banked yet
another complete week of testing with this move in place on top of
4.2-rc1 via linux-next to ensure that remained true.
Given that, I'd like to put it in now so that people formulating new
work for 4.3-rc1 will be exposed to the ever so slightly stricter (but
sensible) requirements wrt. whether they are needing init.h vs.
module.h macros, even if they are not using linux-next.
The diffstat of the move is slightly asymmetrical due to needing to
leave behind a couple #ifdef in the old location and add the same ones
to the new location, but other than that, it is a 1:1 move, complete
with the module_init/exit trailing semicolon that we can't fix. That
is, until/unless someone does a tree-wide sed fix of all the
approximately 800 currently in tree users relying on it"
* tag 'module-final-v4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
module: relocate module_init from init.h to module.h
tracer (traces unlikely and likely branches) when enabled with certain
debug options.
What happened was that various debug options like lockdep and DEBUG_PREEMPT
can cause parts of the branch tracer to recurse outside its recursion
protection. In fact, part of its recursion protection used these features
that caused the lockup. This cleans up the code a little and makes the
recursion protection a bit more robust.
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Merge tag 'trace-v4.2-rc1-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"Fengguang Wu discovered a crash that happened to be because of the
branch tracer (traces unlikely and likely branches) when enabled with
certain debug options.
What happened was that various debug options like lockdep and
DEBUG_PREEMPT can cause parts of the branch tracer to recurse outside
its recursion protection. In fact, part of its recursion protection
used these features that caused the lockup. This cleans up the code a
little and makes the recursion protection a bit more robust"
* tag 'trace-v4.2-rc1-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Have branch tracer use recursive field of task struct
The usage_count variable was read before it was set to the correct
value, due to which the firmware load was failing. Because of this
IPC messages sent to the firmware were timing out causing a delay
of about 1 second while playing audio from the internal speakers.
With this patch the usage_count is read after the function call
pm_runtime_get_sync which will increment the usage_count variable
and the firmware load is successful and all the IPC messages are
processed correctly.
Signed-off-by: Shilpa Sreeramalu <shilpa.sreeramalu@intel.com>
Signed-off-by: Fang, Yang A <yang.a.fang@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
We're not supposed to store the adjusted mode into crtc->mode. We don't
use it anyway, so we can safely remove this.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Fix the start address calculation when overlay is partially off screen.
fb->bits_per_pixel is not set for YUV formats, and is always zero, which
led to the first component always starting at zero.
Use drm_format_plane_cpp() instead.
This also revealed a problem in that YUYV formats toggle the U/V data
for odd pixel start address offsets. We try to rectify that by
toggling the U/V swap, which for the most part works, but seemingly
introduces a flicker for one scan frame of swapped U/V.
However, these changes result in an overall improvement.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Use drm_plane_helper_check_update() rather than our own code to validate
and limit the size of the displayed image. As we are able to support
scaling, permit the full scaling ability.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Fix the gem object freeing after a partial import of a dma buffer,
eg, one which has been imported, but not mapped. This was provoking
a warning from the dma_buf code.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The Armada overlay plane wasn't being properly cleaned up as it was
missing a call to drm_plane_cleanup(). It also wasn't freeing the
right type of pointer (although we were still freeing the right
pointer value.)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Nothing was waking up the overlay plane wait queue, so we were fully
reliant on the HZ/25 wait timing out to make progress. Fix the lack
of wake-up.
We were also mis-handling the wait_event_timeout() return value - this
returns an unsigned integer of the remaining time, or zero on timeout
and the condition evaluated false. Checking this for less than zero
is not sane.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit 5ef7bbb09f ("perf tools: Allow to specify custom linker
command") was meant to enable usage non $(CROSS_COMPILE)ld linker during
perf building.
But implementation didn't take into account the fact that LD is a
pre-defined variable in GNU Make. I.e. it is always defined.
Which means there's no point to check "LD ?= ..." because it will never
succeed.
And so LD will be either that explicitly passed to make like this:
------->8-------
make LD=path_to_my_ld ...
------->8-------
or default value, which is host's "ld".
Latter leads to failure of cross-linkage because instead of cross linker
"$(CROSS_COMPILE)ld" host's "ld" is used.
Fortunately there's a way to do correct substitution of $(CROSS_COMPILE)ld
with user defined LD on command-line.
As a reference was used implementation in "tools/lib/traceevent/Makefile".
Build tested for x86_64 and ARC.
Thanks Jiri for this hint.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Fixes: 5ef7bbb09f ("perf tools: Allow to specify custom linker command")
Cc: Aaro Koskinen <aaro.koskinen@nokia.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: linux-arch@vger.kernel.org
Link: http://lkml.kernel.org/r/1436864720-26316-1-git-send-email-abrodkin@synopsys.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Move the checking for HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT for AUX area mmaps
until after checking if such mmaps are used anyway.
Reported-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: linux-arch@vger.kernel.org
Link: http://lkml.kernel.org/r/55A5023C.7020907@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
User visible:
- Fix 'perf report' and 'perf top' handling of the '--dsos DSO-LIST',
'--comms COMM-LIST' and '--symbols SYM-LIST' command line options,
that were segfaulting due to not considering those lists as filters
in the hists browser TUI code. (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 fix from Arnaldo Carvalho de Melo:
- Fix 'perf report' and 'perf top' handling of the '--dsos DSO-LIST',
'--comms COMM-LIST' and '--symbols SYM-LIST' command line options,
that were segfaulting due to not considering those lists as filters
in the hists browser TUI code. (Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
- Fix up LCD panel name for overo boards
- Three fixes for pepper board for regulators, freqeuncy
scaling and audio input. Note that there is still one
issue being worked on for booting with multi_v7_defconfig
- Add missing #iommu-cells for omap4 and 5
- Add missing HAVE_ARM_SCU for am43xx
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Merge tag 'omap-for-v4.2/fixes-rc2-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omaps, all dts changes except for one:
- Fix up LCD panel name for overo boards
- Three fixes for pepper board for regulators, freqeuncy
scaling and audio input. Note that there is still one
issue being worked on for booting with multi_v7_defconfig
- Add missing #iommu-cells for omap4 and 5
- Add missing HAVE_ARM_SCU for am43xx
* tag 'omap-for-v4.2/fixes-rc2-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (210 commits)
ARM: dts: Correct audio input route & set mic bias for am335x-pepper
ARM: OMAP2+: Add HAVE_ARM_SCU for AM43XX
ARM: dts: OMAP5: Add #iommu-cells property to IOMMUs
ARM: dts: OMAP4: Add #iommu-cells property to IOMMUs
ARM: dts: Fix frequency scaling on Gumstix Pepper
ARM: dts: configure regulators for Gumstix Pepper
ARM: dts: omap3: overo: Update LCD panel names
+ Linux 4.2-rc2
Signed-off-by: Olof Johansson <olof@lixom.net>
Audio-in was incorrectly routed to Line In. It should be Mic3L as per
schematic.
Using mic-bias voltage at 2.0v (<0x1>) does not work for some reason. There
is no voltage seen on micbias (R127). Mic-bias voltage of 2.5v (<0x2>) works.
I see voltage of 2.475v across GND and micbias.
With these changes, I can record audio with a pair of proliferate TRRS earbuds.
Signed-off-by: Adam YH Lee <adam.yh.lee@gmail.com>
Acked-by: Ash Charles <ashcharles@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
CONFIG_HAVE_ARM_SCU only gets selected if CONFIG_SMP is selected in an OMAP
system, however AM43XX needs this option regardless of CONFIG_SMP and also
for an AM43XX only build as it is important for controlling power in the SoC.
Without this we cannot suspend the CPU for SoC suspend or cpuidle. The
ARM Cortex A9 needs SCU CPU Power Status bits to be set to off mode in order
for the PRCM to transition the MPU to low power modes.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Frame buffer modifiers extensions provided in;
commit e3eb3250d8
Author: Rob Clark <robdclark@gmail.com>
Date: Thu Feb 5 14:41:52 2015 +0000
drm: add support for tiled/compressed/etc modifier in addfb2
Missed the structure packing/alignment problem where 64-bit
members were added after the odd number of 32-bit ones. This
makes the compiler produce structures of different sizes under
32- and 64-bit x86 targets and makes the ioctl need explicit
compat handling.
v2: Removed the typedef. (Daniel Vetter)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: Rob Clark <robdclark@gmail.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: stable@vger.kernel.org
[danvet: Squash in compile fix from Mika.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
- Correct compatible string for i.MX27 GPT which actually shares the
same programming model as i.MX21 GPT rather than i.MX1 one.
- Add missing #io-channel-cells property for i.MX23 LRADC device, which
is required for the device to be an IIO provider.
- Correct HSYNC/VSYNC pins and add ddc-i2c-bus property for TVE device
on imx53-qsb to work properly.
- Always enable PU domain if CONFIG_PM is not set. This fixes a couple
of failure scenarios which will hang the system if one of the devices
in the PU domain is accessed.
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Merge tag 'imx-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Merge "ARM: imx: fixes for 4.2" from Shawn Guo:
The i.MX fixes for 4.2:
- Correct compatible string for i.MX27 GPT which actually shares the
same programming model as i.MX21 GPT rather than i.MX1 one.
- Add missing #io-channel-cells property for i.MX23 LRADC device, which
is required for the device to be an IIO provider.
- Correct HSYNC/VSYNC pins and add ddc-i2c-bus property for TVE device
on imx53-qsb to work properly.
- Always enable PU domain if CONFIG_PM is not set. This fixes a couple
of failure scenarios which will hang the system if one of the devices
in the PU domain is accessed.
* tag 'imx-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx6: gpc: always enable PU domain if CONFIG_PM is not set
ARM: dts: imx53-qsb: fix TVE entry
ARM: dts: mx23: fix iio-hwmon support
ARM: dts: imx27: Adjust the GPT compatible string
Signed-off-by: Olof Johansson <olof@lixom.net>
Boris reported that the sparse_irq protection around __cpu_up() in the
generic code causes a regression on Xen. Xen allocates interrupts and
some more in the xen_cpu_up() function, so it deadlocks on the
sparse_irq_lock.
There is no simple fix for this and we really should have the
protection for all architectures, but for now the only solution is to
move it to x86 where actual wreckage due to the lack of protection has
been observed.
Reported-and-tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Fixes: a899418167 'hotplug: Prevent alloc/free of irq descriptors during cpu up/down'
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: xiao jin <jin.xiao@intel.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Yanmin Zhang <yanmin_zhang@linux.intel.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>
Sometimes bssid can go null on failed association.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org> # v3.17+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sometimes bssid can go null on failed association.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pass 1 parts had a number of significant erratas and were only available
in small numbers and under NDA. Full support also required the use of a
special toolchain that kept branches properly aligned. These workarounds
were never upstreamed and the only toolchain known to have them is
Montavista's GCC 3.0-based toolchain which completly obsoleted if not
useless these days.
So now that automated testing has tripped over the user of the
-msb1-pass1-workarounds option, rather than fixing it remove support for
pass 1 parts.
Probably nobody will notice. I seem to own the last know pass 1 board
and I haven't noticed another one in the wild in the past decade, at
least.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
'{ }' and memset will both reset the cbuf buffer.
Only once is enough and this can be done outside fo the mutex.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
There is little chance our memory allocation will fail, so we can
combine initializing the work structs with allocating them instead of
looping through all of them once to allocate and again to initialize.
Then when we need to actually find out if our device is up or in the
process of going down, have all of our work structs batched up, take the
spin_lock once and only once, and do all of the batch under the one
spin_lock invocation instead of incurring all of the locked memory cycles
we would otherwise incur to take/release the spin_lock over and over
again.
Signed-off-by: Doug Ledford <dledford@redhat.com>
We create a number of work structs to be queued up to a workqueue, and
on completion of the workqueue handler, the workqueue handler frees the
allocated memory. If, however, we don't queue the work struct because
the device is going down, then we need to free the memory ourselves.
Signed-off-by: Doug Ledford <dledford@redhat.com>
On failure, we loop through all possible pointers and test them before
calling kfree. But really, why even attempt to free items we didn't
allocate when we can easily loop through exactly and only the devices
for which the original memory allocation succeeded and free just those.
Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
For IB links, reading HCA flow counters through iboe_process_mad() should
be used when mlx4_ib_process_mad() is invoked only for VFs PMA queries and
exactly nothing else.
Fixes: 7193a141eb ('IB/mlx4: Set VF to read from QP counters')
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
In little endian cases, the macros be16_to_cpu and cpu_to_be64
unfolds to __swab{16,64} which provides special case for constants.
In big endian cases, __constant_be16_to_cpu and be16_to_cpu
expand directly to the same expression. The same applies for
__constant_cpu_to_be64 and cpu_to_be64.
So, replace __constant_be16_to_cpu with be16_to_cpu and
__constant_cpu_to_be64 with cpu_to_be64, with the goal of getting
rid of the definition of __constant_be16_to_cpu and
__constant_cpu_to_be64 completely.
Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
When switching between modes (datagram / connected) change the MTU
accordingly.
datagram mode up to 4K, connected mode up to (64K - 0x10).
Signed-off-by: ELi Cohen <eli@mellanox.com>
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
By default, IPoIB-CM driver uses 64k MTU. Larger MTU gives better
performance.
This MTU plus overhead puts the memory allocation for IP based packets at
32 4k pages (order 5), which have to be contiguous.
When the system memory under pressure, it was observed that allocating 128k
contiguous physical memory is difficult and causes serious errors (such as
system becomes unusable).
This enhancement resolve the issue by removing the physically contiguous
memory requirement using Scatter/Gather feature that exists in Linux stack.
With this fix Scatter-Gather will be supported also in connected mode.
This change reverts some of the change made in commit e112373fd6
("IPoIB/cm: Reduce connected mode TX object size").
The ability to use SG in IPoIB CM is possible because the coupling
between NETIF_F_SG and NETIF_F_CSUM was removed in commit
ec5f061564 ("net: Kill link between CSUM and SG features.")
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Acked-by: Christian Marie <christian@ponies.io>
Signed-off-by: Doug Ledford <dledford@redhat.com>
ib_ucm_release_dev clears the wrong bit if devnum is greater
than IB_UCM_MAX_DEVICES.
Signed-off-by: Carol L Soto <clsoto@linux.vnet.ibm.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Fixes: 3e0249f9c0 ("RDS/IB: add refcount tracking to struct rds_ib_device")
There lacks a dropping on rds_ib_device.refcount in case rds_ib_alloc_fmr
failed(mr pool running out). this lead to the refcount overflow.
A complain in line 117(see following) is seen. From vmcore:
s_ib_rdma_mr_pool_depleted is 2147485544 and rds_ibdev->refcount is -2147475448.
That is the evidence the mr pool is used up. so rds_ib_alloc_fmr is very likely
to return ERR_PTR(-EAGAIN).
115 void rds_ib_dev_put(struct rds_ib_device *rds_ibdev)
116 {
117 BUG_ON(atomic_read(&rds_ibdev->refcount) <= 0);
118 if (atomic_dec_and_test(&rds_ibdev->refcount))
119 queue_work(rds_wq, &rds_ibdev->free_work);
120 }
fix is to drop refcount when rds_ib_alloc_fmr failed.
Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Reviewed-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Fix for incorrect recording of the MAC address
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Neighbor resolution doesn't work without this fix
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Fixes to allow clients to make remove mapping requests, after
they have provided the user space service with the mapping
information, they are using when the service is restarted.
1) Adding IWPM_REG_VALID, IWPM_REG_INCOMPL and IWPM_REG_UNDEF
registration types for the port mapper clients and functions
to set/check the registration type.
2) If the port mapper user space service is not available to register
the client, then its registration stays IWPM_REG_UNDEF and the
registration isn't checked until the service becomes available
(no mappings are possible, if the user space service isn't running).
3) After the service is restarted, the user space port mapper pid is set
to valid and the client registration is set to IWPM_REG_INCOMPL
to allow the client to make remove mapping requests.
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Error values of ib_query_port() and ib_query_device() weren't propagated
correctly. Because of that, ipoib_add_port() could return NULL value,
which escaped the IS_ERR() check in ipoib_add_one() and we crashed.
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
mlx4 VFs can provide CQE raw time-stamping services, but they
don't have the hca core clock mapped to their PCI bars.
As such, we should not attempt to query and report the clock offset
to user space for VFs. Doing so causes query_device over VFs to fail
with -ENOSUPP.
Fixes: 4b664c4355 ('IB/mlx4: Add support for CQ time-stamping')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Linus Torvalds