It's our tradition to get a high volume of fixes late at rc7: this
time, X32 ABI breakage was found and this resulted in a high number
LOCs. The necessary changes to ALSA core codes were fairly
straightforward, and more importantly, they are specific to X32, thus
should be safe to apply.
Other than that, rather a collection of small fixes:
- Removal of the code that blocks too long at closing the OSS
sequencer client (which was spotted by syzkaller, unsurprisingly)
- Fixes races at HD-audio HDMI i915 audio binding
- a few HDSP/HDPM zero-division fixes
- Quirks for HD-audio and USB-audio as usual
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Merge tag 'sound-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"It's our tradition to get a high volume of fixes late at rc7: this
time, X32 ABI breakage was found and this resulted in a high number
LOCs. The necessary changes to ALSA core codes were fairly
straightforward, and more importantly, they are specific to X32, thus
should be safe to apply.
Other than that, rather a collection of small fixes:
- Removal of the code that blocks too long at closing the OSS
sequencer client (which was spotted by syzkaller, unsurprisingly)
- Fixes races at HD-audio HDMI i915 audio binding
- a few HDSP/HDPM zero-division fixes
- Quirks for HD-audio and USB-audio as usual"
* tag 'sound-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - hdmi defer to register acomp eld notifier
ALSA: hda - hdmi add wmb barrier for audio component
ALSA: hda - Fix mic issues on Acer Aspire E1-472
ALSA: seq: oss: Don't drain at closing a client
ALSA: usb-audio: Add a quirk for Plantronics DA45
ALSA: hdsp: Fix wrong boolean ctl value accesses
ALSA: hdspm: Fix zero-division
ALSA: hdspm: Fix wrong boolean ctl value accesses
ALSA: timer: Fix ioctls for X32 ABI
ALSA: timer: Fix broken compat timer user status ioctl
ALSA: rawmidi: Fix ioctls X32 ABI
ALSA: rawmidi: Use comapt_put_timespec()
ALSA: pcm: Fix ioctls for X32 ABI
ALSA: ctl: Fix ioctls for X32 ABI
One minor fix on pxa driver to fix the cyclic dma tranfers
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Merge tag 'dmaengine-fix-4.5-rc7' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fix from Vinod Koul:
"One minor fix on pxa driver to fix the cyclic dma tranfers"
* tag 'dmaengine-fix-4.5-rc7' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: pxa_dma: fix cyclic transfers
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Merge tag 'media/v4.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- some last time changes before we stablize the new entity function
integer numbers at uAPI
- probe: fix erroneous return value on i2c/adp1653 driver
- fix tx 5v detect regression on adv7604 driver
- fix missing unlock on error in vpfe_prepare_pipeline() on
davinci_vpfe driver
* tag 'media/v4.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] media: Sanitise the reserved fields of the G_TOPOLOGY IOCTL arguments
[media] media.h: postpone connectors entities
[media] media.h: use hex values for range offsets, move connectors base up.
[media] adv7604: fix tx 5v detect regression
[media] media.h: get rid of MEDIA_ENT_F_CONN_TEST
[media] [for,v4.5] media.h: increase the spacing between function ranges
[media] media: i2c/adp1653: probe: fix erroneous return value
[media] media: davinci_vpfe: fix missing unlock on error in vpfe_prepare_pipeline()
Zhang Shengju says:
====================
use reset to set header pointers
This patch series replace set function with reset when offset is zero.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add
operation in set function.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add
operation in set function.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add
operation in set function.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add operation
in set function.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull libnvcimm fix from Dan Williams:
"One straggling fix for NVDIMM support.
The KVM/QEMU enabling for NVDIMMs has recently reached the point where
it is able to accept some ACPI _DSM requests from a guest VM. However
they immediately found that the 4.5-rc kernel is unusable because the
kernel's 'nfit' driver fails to load upon seeing a valid "not
supported" response from the virtual BIOS for an address range scrub
command.
It is not mandatory that a platform implement address range scrubbing,
so this fix from Vishal properly treats the 'not supported' response
as 'skip scrubbing and continue loading the driver'"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nfit: Continue init even if ARS commands are unimplemented
Two fairly simple fixes. One is a regression with ipr firmware
loading caused by one of the trivial patches in the last merge window
which failed to strip the \n from the file name string, so now the
firmware loader no longer works leading to a lot of unhappy ipr users;
fix by stripping the \n. The second is a memory leak within SCSI: the
BLK_PREP_INVALID state was introduced a recent fix but we forgot to
account for it correctly when freeing state, resulting in memory
leakage. Add the correct state freeing in scsi_prep_return().
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.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:
"Two fairly simple fixes.
One is a regression with ipr firmware loading caused by one of the
trivial patches in the last merge window which failed to strip the \n
from the file name string, so now the firmware loader no longer works
leading to a lot of unhappy ipr users; fix by stripping the \n.
The second is a memory leak within SCSI: the BLK_PREP_INVALID state
was introduced a recent fix but we forgot to account for it correctly
when freeing state, resulting in memory leakage. Add the correct
state freeing in scsi_prep_return()"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
ipr: Fix regression when loading firmware
SCSI: Free resources when we return BLKPREP_INVALID
Pull libata fixes from Tejun Heo:
"Assorted fixes for libata drivers.
- Turns out HDIO_GET_32BIT ioctl was subtly broken all along.
- Recent update to ahci external port handling was incorrectly
marking hotpluggable ports as external making userland handle
devices connected to those ports incorrectly.
- ahci_xgene needs its own irq handler to work around a hardware
erratum. libahci updated to allow irq handler override.
- Misc driver specific updates"
* 'for-4.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ata: ahci: don't mark HotPlugCapable Ports as external/removable
ahci: Workaround for ThunderX Errata#22536
libata: Align ata_device's id on a cacheline
Adding Intel Lewisburg device IDs for SATA
pata-rb532-cf: get rid of the irq_to_gpio() call
libata: fix HDIO_GET_32BIT ioctl
ahci_xgene: Implement the workaround to fix the missing of the edge interrupt for the HOST_IRQ_STAT.
ata: Remove the AHCI_HFLAG_EDGE_IRQ support from libahci.
libahci: Implement the capability to override the generic ahci interrupt handler.
Pull block fixes from Jens Axboe:
"Round 2 of this. I cut back to the bare necessities, the patch is
still larger than it usually would be at this time, due to the number
of NVMe fixes in there. This pull request contains:
- The 4 core fixes from Ming, that fix both problems with exceeding
the virtual boundary limit in case of merging, and the gap checking
for cloned bio's.
- NVMe fixes from Keith and Christoph:
- Regression on larger user commands, causing problems with
reading log pages (for instance). This touches both NVMe,
and the block core since that is now generally utilized also
for these types of commands.
- Hot removal fixes.
- User exploitable issue with passthrough IO commands, if !length
is given, causing us to fault on writing to the zero
page.
- Fix for a hang under error conditions
- And finally, the current series regression for umount with cgroup
writeback, where the final flush would happen async and hence open
up window after umount where the device wasn't consistent. fsck
right after umount would show this. From Tejun"
* 'for-linus2' of git://git.kernel.dk/linux-block:
block: support large requests in blk_rq_map_user_iov
block: fix blk_rq_get_max_sectors for driver private requests
nvme: fix max_segments integer truncation
nvme: set queue limits for the admin queue
writeback: flush inode cgroup wb switches instead of pinning super_block
NVMe: Fix 0-length integrity payload
NVMe: Don't allow unsupported flags
NVMe: Move error handling to failed reset handler
NVMe: Simplify device reset failure
NVMe: Fix namespace removal deadlock
NVMe: Use IDA for namespace disk naming
NVMe: Don't unmap controller registers on reset
block: merge: get the 1st and last bvec via helpers
block: get the 1st and last bvec via helpers
block: check virt boundary in bio_will_gap()
block: bio: introduce helpers to get the 1st and last bvec
- One fix to an error path in the core
- One fix for RoCE in the core
- Two related fixes for the core/mlx5
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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:
"Additional 4.5-rc6 fixes.
I have four patches today. I had previously thought I had submitted
two of them last week, but they were accidentally skipped :-(.
- One fix to an error path in the core
- One fix for RoCE in the core
- Two related fixes for the core/mlx5"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/core: Use GRH when the path hop-limit > 0
IB/{core, mlx5}: Fix input len in vendor part of create_qp/srq
IB/mlx5: Avoid using user-index for SRQs
IB/core: Fix missed clean call in registration path
Pull drm fixes from Dave Airlie:
"This contains one i915 patch twice, as I merged it locally for
testing, and then pulled some stuff in on top, and then Jani sent to
me, I didn't think it was worth redoing all the merges of what I had
tested.
Summary:
- amdgpu/radeon fixes for some more power management and VM races.
- Two i915 fixes, one for the a recent regression, one another power
management fix for skylake.
- Two tegra dma mask fixes for a regression.
- One ast fix for a typo I made transcribing the userspace driver,
that I'd like to get into stable so I don't forget about it"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
gpu: host1x: Set DMA ops on device creation
gpu: host1x: Set DMA mask
drm/amdgpu: return from atombios_dp_get_dpcd only when error
drm/amdgpu/cz: remove commented out call to enable vce pg
drm/amdgpu/powerplay/cz: enable/disable vce dpm independent of vce pg
drm/amdgpu/cz: enable/disable vce dpm even if vce pg is disabled
drm/amdgpu/gfx8: specify which engine to wait before vm flush
drm/amdgpu: apply gfx_v8 fixes to gfx_v7 as well
drm/amd/powerplay: send event to notify powerplay all modules are initialized.
drm/amd/powerplay: export AMD_PP_EVENT_COMPLETE_INIT task to amdgpu.
drm/radeon/pm: update current crtc info after setting the powerstate
drm/amdgpu/pm: update current crtc info after setting the powerstate
drm/i915: Balance assert_rpm_wakelock_held() for !IS_ENABLED(CONFIG_PM)
drm/i915/skl: Fix power domain suspend sequence
drm/ast: Fix incorrect register check for DRAM width
drm/i915: Balance assert_rpm_wakelock_held() for !IS_ENABLED(CONFIG_PM)
- Prevent the graph tracer from crashing when used over
suspend-to-RAM on x86 by pausing it before invoking
do_suspend_lowlevel() and un-pausing it when that function
has returned (Todd Brandt).
- Fix build issues in the qoriq and mediatek cpufreq drivers
related to broken dependencies on THERMAL (Arnd Bergmann).
/
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Merge tag 'pm+acpi-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"Two build fixes for cpufreq drivers (including one for breakage
introduced recently) and a fix for a graph tracer crash when used over
suspend-to-RAM on x86.
Specifics:
- Prevent the graph tracer from crashing when used over suspend-to-
RAM on x86 by pausing it before invoking do_suspend_lowlevel() and
un-pausing it when that function has returned (Todd Brandt).
- Fix build issues in the qoriq and mediatek cpufreq drivers related
to broken dependencies on THERMAL (Arnd Bergmann)"
* tag 'pm+acpi-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / sleep / x86: Fix crash on graph trace through x86 suspend
cpufreq: mediatek: allow building as a module
cpufreq: qoriq: allow building as module with THERMAL=m
- Ensure struct page array fits within vmemmap area
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
"Arm64 fix for -rc7. Without it, our struct page array can overflow
the vmemmap region on systems with a large PHYS_OFFSET.
Nothing else on the radar at the moment, so hopefully that's it for
4.5 from us.
Summary: Ensure struct page array fits within vmemmap area"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: vmemmap: use virtual projection of linear region
• a lock ordering problem between the page lock and the internal f->sem
mutex, which was causing occasional deadlocks in garbage collection, and
• a scan failure causing moved directories to sometimes end up appearing
to have hard links.
There are also a couple of trivial MAINTAINERS file updates.
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Merge tag 'for-linus-20160304' of git://git.infradead.org/linux-mtd
Pull jffs2 fixes from David Woodhouse:
"This contains two important JFFS2 fixes marked for stable:
- a lock ordering problem between the page lock and the internal
f->sem mutex, which was causing occasional deadlocks in garbage
collection
- a scan failure causing moved directories to sometimes end up
appearing to have hard links.
There are also a couple of trivial MAINTAINERS file updates"
* tag 'for-linus-20160304' of git://git.infradead.org/linux-mtd:
MAINTAINERS: add maintainer entry for FREESCALE GPMI NAND driver
Fix directory hardlinks from deleted directories
jffs2: Fix page lock / f->sem deadlock
Revert "jffs2: Fix lock acquisition order bug in jffs2_write_begin"
MAINTAINERS: update Han's email
Pull btrfs fix from Chris Mason:
"Filipe nailed down a problem where tree log replay would do some work
that orphan code wasn't expecting to be done yet, leading to BUG_ON"
* 'for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix loading of orphan roots leading to BUG_ON
a tasks "comm" field. But this prevented filtering on a comm field that
is within a trace event (like sched_migrate_task).
When trying to filter on when a program migrated, this change prevented
the filtering of the sched_migrate_task.
To fix this, the event fields are examined first, and then the extra fields
like "comm" and "cpu" are examined. Also, instead of testing to assign
the comm filter function based on the field's name, the generic comm field
is given a new filter type (FILTER_COMM). When this field is used to filter
the type is checked. The same is done for the cpu filter field.
Two new special filter types are added: "COMM" and "CPU". This allows users
to still filter the tasks comm for events that have "comm" as one of their
fields, in cases that users would like to filter sched_migrate_task on the
comm of the task that called the event, and not the comm of the task that
is being migrated.
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Merge tag 'trace-fixes-v4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"A feature was added in 4.3 that allowed users to filter trace points
on a tasks "comm" field. But this prevented filtering on a comm field
that is within a trace event (like sched_migrate_task).
When trying to filter on when a program migrated, this change
prevented the filtering of the sched_migrate_task.
To fix this, the event fields are examined first, and then the extra
fields like "comm" and "cpu" are examined. Also, instead of testing
to assign the comm filter function based on the field's name, the
generic comm field is given a new filter type (FILTER_COMM). When
this field is used to filter the type is checked. The same is done
for the cpu filter field.
Two new special filter types are added: "COMM" and "CPU". This allows
users to still filter the tasks comm for events that have "comm" as
one of their fields, in cases that users would like to filter
sched_migrate_task on the comm of the task that called the event, and
not the comm of the task that is being migrated"
* tag 'trace-fixes-v4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Do not have 'comm' filter override event 'comm' field
If firmware doesn't implement any of the ARS commands, take that to
mean that ARS is unsupported, and continue to initialize regions without
bad block lists. We cannot make the assumption that ARS commands will be
unconditionally supported on all NVDIMMs.
Reported-by: Haozhong Zhang <haozhong.zhang@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Acked-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Tested-by: Haozhong Zhang <haozhong.zhang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Allow zero size updates. This makes set_memory_xx() consistent with x86, s390 and arm64 and makes apply_to_page_range() not to BUG() when loading modules.
Signed-off-by: Mika Penttilä mika.penttila@nextfour.com
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Merge tag 'rxrpc-rewrite-20160304' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
David Howells says:
====================
RxRPC: Rewrite part 1
Here's the first set of patches from my RxRPC rewrite, aimed at net-next.
These do some clean ups and bug fixes. Most of the changes are small, but
there are a couple of bigger changes:
(*) Convert call flag numbers and event numbers into enums. Then rename
the event numbers to all have _EV_ in their name to stop confusion.
Fix one instance of an event bit being used instead of a flag bit.
(*) A copy of the Rx protocol header is kept in the sk_buff private data.
Keep this in host byte order rather than network byte order as it
makes more sense. A number of other fields then get converted into
host byte order too.
Conversion between host and network byte order is then done at the
packet reception/generation stage.
This is based on net-next/master
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Two small fixes that restore PRIME support.
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Merge tag 'drm/tegra/for-4.5-rc7' of git://anongit.freedesktop.org/tegra/linux into drm-fixes
drm/tegra: Fixes for v4.5-rc7
Two small fixes that restore PRIME support.
* tag 'drm/tegra/for-4.5-rc7' of git://anongit.freedesktop.org/tegra/linux:
gpu: host1x: Set DMA ops on device creation
gpu: host1x: Set DMA mask
Avoid sending a partially initialised `siginfo_t' structure along SIGFPE
signals issued from `do_ov' and `do_trap_or_bp', leading to information
leaking from the kernel stack.
Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* pm-cpufreq-fixes:
cpufreq: mediatek: allow building as a module
cpufreq: qoriq: allow building as module with THERMAL=m
* pm-sleep-fixes:
PM / sleep / x86: Fix crash on graph trace through x86 suspend
Nicolas Dichtel says:
====================
uapi: consolidate DIV_ROUND_UP definition
The inital goal was to consolidate ethtool.h uapi header. But I took the
opportunity to remove all duplicate definitions of DIV_ROUND_UP.
v3: add patch #2 and #3
v2: split the patch
define DIV_ROUND_UP in uapi
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
INT_MAX needs limits.h in userland.
When ethtool.h is included by a userland app, we got the following error:
.../usr/include/linux/ethtool.h: In function 'ethtool_validate_speed':
.../usr/include/linux/ethtool.h:1471:18: error: 'INT_MAX' undeclared (first use in this function)
return speed <= INT_MAX || speed == SPEED_UNKNOWN
^
Fixes: e02564ee33 ("ethtool: make validate_speed accept all speeds between 0 and INT_MAX")
CC: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Let's use __KERNEL_DIV_ROUND_UP, which is defined in uapi/linux/kernel.h.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
let's use the common definition to avoid the following warning during the
compilation:
drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:161:0: warning: "DIV_ROUND_UP" redefined
#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
^
In file included from include/linux/list.h:8:0,
from include/linux/module.h:9,
from drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:16:
include/linux/kernel.h:67:0: note: this is the location of the previous definition
#define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
^
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
DIV_ROUND_UP is defined in linux/kernel.h only for the kernel.
When ethtool.h is included by a userland app, we got the following error:
include/linux/ethtool.h:1218:8: error: variably modified 'queue_mask' at file scope
__u32 queue_mask[DIV_ROUND_UP(MAX_NUM_QUEUE, 32)];
^
Let's add a common definition in uapi and use it everywhere.
Fixes: ac2c7ad0e5 ("net/ethtool: introduce a new ioctl for per queue setting")
CC: Kan Liang <kan.liang@intel.com>
Suggested-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for the format change of MClientReply/MclientCaps.
Also add code that denies access to inodes with pool_ns layouts.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
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Merge tag 'linux-can-fixes-for-4.5-20160304' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2016-03-04
this is a pull request for net/master.
There is one patch from Ed Spiridonov, which increases the performance of the
mcp251x SPI CAN driver, by avoiding to write to error flag register if it's
unnecessary.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Rolf is no longer in his previous role at Netronome and as far as I know no
longer working on the NFP driver. Thus it does not seem appropriate for him
to be a co-maintainer anymore.
Reviewed-by: Dinan Gunawardena <dinan.gunawardena@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the ICMP message processing code, don't try to map ICMP codes to UNIX
error codes as the caller (IPv4/IPv6) already did that for us (ee_errno).
Signed-off-by: David Howells <dhowells@redhat.com>
The version number rxkad places in the response should be network byte
order.
Whilst we're at it, rearrange the code to be more readable.
Signed-off-by: David Howells <dhowells@redhat.com>
Use ACCESS_ONCE() when accessing the other-end pointer into a circular
buffer as it's possible the other-end pointer might change whilst we're
doing this, and if we access it twice, we might get some weird things
happening.
Signed-off-by: David Howells <dhowells@redhat.com>
Currently, received RxRPC packets outside the range 1-13 are rejected.
There are, however, holes in the range that should also be rejected - plus
at least one type we don't yet support - so reject these also.
Signed-off-by: David Howells <dhowells@redhat.com>
The upper bound of the defined range for rx_mtu is being set in the same
member as the lower bound (extra1) rather than the correct place (extra2).
I'm not entirely sure why this compiles.
Signed-off-by: David Howells <dhowells@redhat.com>
Currently, a copy of the Rx packet header is copied into the the sk_buff
private data so that we can advance the pointer into the buffer,
potentially discarding the original. At the moment, this copy is held in
network byte order, but this means we're doing a lot of unnecessary
translations.
The reasons it was done this way are that we need the values in network
byte order occasionally and we can use the copy, slightly modified, as part
of an iov array when sending an ack or an abort packet.
However, it seems more reasonable on review that it would be better kept in
host byte order and that we make up a new header when we want to send
another packet.
To this end, rename the original header struct to rxrpc_wire_header (with
BE fields) and institute a variant called rxrpc_host_header that has host
order fields. Change the struct in the sk_buff private data into an
rxrpc_host_header and translate the values when filling it in.
This further allows us to keep values kept in various structures in host
byte order rather than network byte order and allows removal of some fields
that are byteswapped duplicates.
Signed-off-by: David Howells <dhowells@redhat.com>
Convert call flag and event numbers into enums and move their definitions
outside of the struct.
Also move the call state enum outside of the struct and add an extra
element to count the number of states.
Signed-off-by: David Howells <dhowells@redhat.com>
Fix a case where RXRPC_CALL_RELEASE (an event) is being used to specify a
flag bit. RXRPC_CALL_RELEASED should be used instead.
Signed-off-by: David Howells <dhowells@redhat.com>
Currently host1x-instanciated devices have their dma_ops left to NULL,
which makes any DMA operation (like buffer import) on ARM64 fallback
to the dummy_dma_ops and fail with an error.
This patch calls of_dma_configure() with the host1x node when creating
such a device, so the proper DMA operations are set.
Suggested-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The default DMA mask covers a 32 bits address range, but host1x devices
can address a larger range on TK1 and TX1. Set the DMA mask to the range
addressable when we use the IOMMU to prevent the use of bounce buffers.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Commit 9f61668073 "tracing: Allow triggers to filter for CPU ids and
process names" added a 'comm' filter that will filter events based on the
current tasks struct 'comm'. But this now hides the ability to filter events
that have a 'comm' field too. For example, sched_migrate_task trace event.
That has a 'comm' field of the task to be migrated.
echo 'comm == "bash"' > events/sched_migrate_task/filter
will now filter all sched_migrate_task events for tasks named "bash" that
migrates other tasks (in interrupt context), instead of seeing when "bash"
itself gets migrated.
This fix requires a couple of changes.
1) Change the look up order for filter predicates to look at the events
fields before looking at the generic filters.
2) Instead of basing the filter function off of the "comm" name, have the
generic "comm" filter have its own filter_type (FILTER_COMM). Test
against the type instead of the name to assign the filter function.
3) Add a new "COMM" filter that works just like "comm" but will filter based
on the current task, even if the trace event contains a "comm" field.
Do the same for "cpu" field, adding a FILTER_CPU and a filter "CPU".
Cc: stable@vger.kernel.org # v4.3+
Fixes: 9f61668073 "tracing: Allow triggers to filter for CPU ids and process names"
Reported-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Only two bits (RX0OVR and RX1OVR) are writable in EFLG, write is useless
if these bits aren't set.
Signed-off-by: Ed Spiridonov <edo.rus@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>