| Commit message (Collapse) | Author | Age |
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"base_irq" needs to be signed for the error handling to work. Also we
can remove the initialization because we re-assign it later.
Fixes: aa8d6b73ea33 ('ARM: pxa: pxa_cplds: add lubbock and mainstone IO')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "Few minimal omap device tree fixes for v4.1-rc series" from Tony Lindgren:
- Disable BeagleBone black RTC-only sleep mode because of hardare
related issues
- Fix NAND on Devkit8000
- Fix WLAN interrupt line on AM335x EVM-SK
* tag 'omap-for-v4.1/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix WLAN interrupt line for AM335x EVM-SK
ARM: dts: omap3-devkit8000: Fix NAND DT node
ARM: dts: am335x-boneblack: disable RTC-only sleep
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While Sitara AM335x SoCs are very close to OMAP SoCs, the 32-line GPIO
controllers are numbered from 0 on AM335x and from 1 on OMAP. But when
the configuration for the TI WLAN controllers was converted from
platform data to device tree, this detail was overlooked, as 10 boards
were using OMAP with the WL12xx and WL18xx controllers, and only one
was based on AM335x.
This invalid configuration prevents the WL1271 module on the AM335x
EVM-SK from notifying interrupts to the SoC, and breaks the wlan driver.
The DTS must be corrected to use the correct GPIO controller.
Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add nand-ecc-opt and device-width properties to enable nand support on
Devkit8000.
Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Fixes: http://bugs.elinux.org/issues/143
Entering RTC-only sleep is only properly supported on early prototypes series
(pre-A6) of the BeagleBone Black. Since rev (A6A), which include all production
versions, it is not support at due to.
(rev A6) enable of the 3v3b regulator moved from LDO2 to LDO4 (3v3a)
side-effect: 3v3b rail remains on in sleep-mode (also in off-mode when battery-powered)
(rev A6A) am335x vdds supply moved from LDO3 to LDO1
side-effect: vdds remains supplied in sleep-mode
Reported-by: Matthijs van Duin <matthijsvanduin@gmail.com>
Tested-by: Matthijs van Duin <matthijsvanduin@gmail.com>
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Johan Hovold <johan@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Merge "The i.MX fixes for 4.1, 2nd round" from Shawn Guo:
- Fix i.MX27 FEC register map which overlaps the SCC (Security
Controller) register space.
- Fix i.MX27 DTB build rule which was wrongly controlled by i.MX31
option.
* tag 'imx-fixes-4.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: fix imx27 dtb build rule
ARM: dts: imx27: only map 4 Kbyte for fec registers
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The i.MX27 dtb build should be controlled by CONFIG_SOC_IMX27 rather
than CONFIG_SOC_IMX31.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Fixes: cb612390e546 ("ARM: dts: Only build dtb if associated Arch and/or SoC is enabled")
Cc: <stable@vger.kernel.org>
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According to the imx27 documentation, fec has a 4 Kbyte
memory space map. Moreover, the actual 16 Kbyte mapping
overlaps the SCC (Security Controller) memory register
space. So, we reduce the memory register space to 4 Kbyte.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fixes: 9f0749e3eb88 ("ARM i.MX27: Add devicetree support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device-mapper fixes from Mike Snitzer:
"Quite a few fixes for DM's blk-mq support thanks to extra DM multipath
testing from Junichi Nomura and Bart Van Assche.
Also fix a casting bug in dm_merge_bvec() that could cause only a
single page to be added to a bio (Joe identified this while testing
dm-cache writeback)"
* tag 'dm-4.1-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: fix casting bug in dm_merge_bvec()
dm: fix reload failure of 0 path multipath mapping on blk-mq devices
dm: fix false warning in free_rq_clone() for unmapped requests
dm: requeue from blk-mq dm_mq_queue_rq() using BLK_MQ_RQ_QUEUE_BUSY
dm mpath: fix leak of dm_mpath_io structure in blk-mq .queue_rq error path
dm: fix NULL pointer when clone_and_map_rq returns !DM_MAPIO_REMAPPED
dm: run queue on re-queue
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dm_merge_bvec() was originally added in f6fccb ("dm: introduce
merge_bvec_fn"). In that commit a value in sectors is converted to
bytes using << 9, and then assigned to an int. This code made
assumptions about the value of BIO_MAX_SECTORS.
A later commit 148e51 ("dm: improve documentation and code clarity in
dm_merge_bvec") was meant to have no functional change but it removed
the use of BIO_MAX_SECTORS in favor of using queue_max_sectors(). At
this point the cast from sector_t to int resulted in a zero value. The
fallout being dm_merge_bvec() would only allow a single page to be added
to a bio.
This interim fix is minimal for the benefit of stable@ because the more
comprehensive cleanup of passing a sector_t to all DM targets' merge
function will impact quite a few DM targets.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 3.19+
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dm-multipath accepts 0 path mapping.
# echo '0 2097152 multipath 0 0 0 0' | dmsetup create newdev
Such a mapping can be used to release underlying devices while still
holding requests in its queue until working paths come back.
However, once the multipath device is created over blk-mq devices,
it rejects reloading of 0 path mapping:
# echo '0 2097152 multipath 0 0 1 1 queue-length 0 1 1 /dev/sda 1' \
| dmsetup create mpath1
# echo '0 2097152 multipath 0 0 0 0' | dmsetup load mpath1
device-mapper: reload ioctl on mpath1 failed: Invalid argument
Command failed
With following kernel message:
device-mapper: ioctl: can't change device type after initial table load.
DM tries to inherit the current table type using dm_table_set_type()
but it doesn't work as expected because of unnecessary check about
whether the target type is hybrid or not.
Hybrid type is for targets that work as either request-based or bio-based
and not required for blk-mq or non blk-mq checking.
Fixes: 65803c205983 ("dm table: train hybrid target type detection to select blk-mq if appropriate")
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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When stacking request-based dm device on non blk-mq device and
device-mapper target could not map the request (error target is used,
multipath target with all paths down, etc), the WARN_ON_ONCE() in
free_rq_clone() will trigger when it shouldn't.
The warning was added by commit aa6df8d ("dm: fix free_rq_clone() NULL
pointer when requeueing unmapped request"). But free_rq_clone() with
clone->q == NULL is valid usage for the case where
dm_kill_unmapped_request() initiates request cleanup.
Fix this false warning by just removing the WARN_ON -- it only generated
false positives and was never useful in catching the intended case
(completing clone request not being mapped e.g. clone->q being NULL).
Fixes: aa6df8d ("dm: fix free_rq_clone() NULL pointer when requeueing unmapped request")
Reported-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reported-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Use BLK_MQ_RQ_QUEUE_BUSY to requeue a blk-mq request directly from the
DM blk-mq device's .queue_rq. This cleans up the previous convoluted
handling of request requeueing that would return BLK_MQ_RQ_QUEUE_OK
(even though it wasn't) and then run blk_mq_requeue_request() followed
by blk_mq_kick_requeue_list().
Also, document that DM blk-mq ontop of old request_fn devices cannot
fail in clone_rq() since the clone request is preallocated as part of
the pdu.
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Otherwise kmemleak reported:
unreferenced object 0xffff88009b14e2b0 (size 16):
comm "fio", pid 4274, jiffies 4294978034 (age 1253.210s)
hex dump (first 16 bytes):
40 12 f3 99 01 88 ff ff 00 10 00 00 00 00 00 00 @...............
backtrace:
[<ffffffff81600029>] kmemleak_alloc+0x49/0xb0
[<ffffffff811679a8>] kmem_cache_alloc+0xf8/0x160
[<ffffffff8111c950>] mempool_alloc_slab+0x10/0x20
[<ffffffff8111cb37>] mempool_alloc+0x57/0x150
[<ffffffffa04d2b61>] __multipath_map.isra.17+0xe1/0x220 [dm_multipath]
[<ffffffffa04d2cb5>] multipath_clone_and_map+0x15/0x20 [dm_multipath]
[<ffffffffa02889b5>] map_request.isra.39+0xd5/0x220 [dm_mod]
[<ffffffffa028b0e4>] dm_mq_queue_rq+0x134/0x240 [dm_mod]
[<ffffffff812cccb5>] __blk_mq_run_hw_queue+0x1d5/0x380
[<ffffffff812ccaa5>] blk_mq_run_hw_queue+0xc5/0x100
[<ffffffff812ce350>] blk_sq_make_request+0x240/0x300
[<ffffffff812c0f30>] generic_make_request+0xc0/0x110
[<ffffffff812c0ff2>] submit_bio+0x72/0x150
[<ffffffff811c07cb>] do_blockdev_direct_IO+0x1f3b/0x2da0
[<ffffffff811c166e>] __blockdev_direct_IO+0x3e/0x40
[<ffffffff8120aa1a>] ext4_direct_IO+0x1aa/0x390
Fixes: e5863d9ad ("dm: allocate requests in target when stacking on blk-mq devices")
Reported-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 4.0+
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When stacking request-based DM on blk_mq device, request cloning and
remapping are done in a single call to target's clone_and_map_rq().
The clone is allocated and valid only if clone_and_map_rq() returns
DM_MAPIO_REMAPPED.
The "IS_ERR(clone)" check in map_request() does not cover all the
!DM_MAPIO_REMAPPED cases that are possible (E.g. if underlying devices
are not ready or unavailable, clone_and_map_rq() may return
DM_MAPIO_REQUEUE without ever having established an ERR_PTR). Fix this
by explicitly checking for a return that is not DM_MAPIO_REMAPPED in
map_request().
Without this fix, DM core may call setup_clone() for a NULL clone
and oops like this:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000068
IP: [<ffffffff81227525>] blk_rq_prep_clone+0x7d/0x137
...
CPU: 2 PID: 5793 Comm: kdmwork-253:3 Not tainted 4.0.0-nm #1
...
Call Trace:
[<ffffffffa01d1c09>] map_tio_request+0xa9/0x258 [dm_mod]
[<ffffffff81071de9>] kthread_worker_fn+0xfd/0x150
[<ffffffff81071cec>] ? kthread_parkme+0x24/0x24
[<ffffffff81071cec>] ? kthread_parkme+0x24/0x24
[<ffffffff81071fdd>] kthread+0xe6/0xee
[<ffffffff81093a59>] ? put_lock_stats+0xe/0x20
[<ffffffff81071ef7>] ? __init_kthread_worker+0x5b/0x5b
[<ffffffff814c2d98>] ret_from_fork+0x58/0x90
[<ffffffff81071ef7>] ? __init_kthread_worker+0x5b/0x5b
Fixes: e5863d9ad ("dm: allocate requests in target when stacking on blk-mq devices")
Reported-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 4.0+
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Without kicking queue, requeued request may stay forever in
the queue if there are no other I/O activities to the device.
The original error had been in v2.6.39 with commit 7eaceaccab5f
("block: remove per-queue plugging"), which replaced conditional
plugging by periodic runqueue.
Commit 9d1deb83d489 in v4.1-rc1 removed the periodic runqueue
and the problem started to manifest.
Fixes: 9d1deb83d489 ("dm: don't schedule delayed run of the queue if nothing to do")
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Merge misc fixes from Andrew Morton:
"10 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
scripts/gdb: fix lx-lsmod refcnt
omfs: fix potential integer overflow in allocator
omfs: fix sign confusion for bitmap loop counter
omfs: set error return when d_make_root() fails
fs, omfs: add NULL terminator in the end up the token list
MAINTAINERS: update CAPABILITIES pattern
fs/binfmt_elf.c:load_elf_binary(): return -EINVAL on zero-length mappings
tracing/mm: don't trace mm_page_pcpu_drain on offline cpus
tracing/mm: don't trace mm_page_free on offline cpus
tracing/mm: don't trace kmem_cache_free on offline cpus
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Commit 2f35c41f58a9 ("module: Replace module_ref with atomic_t refcnt")
changes the way refcnt is handled but did not update the gdb script to
use the new variable.
Since refcnt is not per-cpu anymore, we can directly read its value.
Signed-off-by: Adrien Schildknecht <adrien+dev@schischi.me>
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Pantelis Koukousoulas <pktoss@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Both 'i' and 'bits_per_entry' are signed integers but the result is a
u64 block number. Cast i to u64 to avoid truncation on 32-bit targets.
Found by Coverity (CID 200679).
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The count variable is used to iterate down to (below) zero from the size
of the bitmap and handle the one-filling the remainder of the last
partial bitmap block. The loop conditional expects count to be signed
in order to detect when the final block is processed, after which count
goes negative.
Unfortunately, a recent change made this unsigned along with some other
related fields. The result of is this is that during mount,
omfs_get_imap will overrun the bitmap array and corrupt memory unless
number of blocks happens to be a multiple of 8 * blocksize.
Fix by changing count back to signed: it is guaranteed to fit in an s32
without overflow due to an enforced limit on the number of blocks in the
filesystem.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A static checker found the following issue in the error path for
omfs_fill_super:
fs/omfs/inode.c:552 omfs_fill_super()
warn: missing error code here? 'd_make_root()' failed. 'ret' = '0'
Fix by returning -ENOMEM in this case.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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match_token() expects a NULL terminator at the end of the token list so
that it would know where to stop. Not having one causes it to overrun
to invalid memory.
In practice, passing a mount option that omfs didn't recognize would
sometimes panic the system.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Commit 1ddd3b4e07a4 ("LSM: Remove unused capability.c") removed the
file, remove the file pattern.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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load_elf_binary() returns `retval', not `error'.
Fixes: a87938b2e246b81b4fb ("fs/binfmt_elf.c: fix bug in loading of PIE binaries")
Reported-by: James Hogan <james.hogan@imgtec.com>
Cc: Michael Davidson <md@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Since tracepoints use RCU for protection, they must not be called on
offline cpus. trace_mm_page_pcpu_drain can be called on an offline cpu
in this scenario caught by LOCKDEP:
===============================
[ INFO: suspicious RCU usage. ]
4.1.0-rc1+ #9 Not tainted
-------------------------------
include/trace/events/kmem.h:265 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
RCU used illegally from offline CPU!
rcu_scheduler_active = 1, debug_locks = 1
1 lock held by swapper/5/0:
#0: (&(&zone->lock)->rlock){..-...}, at: [<c0000000002073b0>] .free_pcppages_bulk+0x70/0x920
stack backtrace:
CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.1.0-rc1+ #9
Call Trace:
.dump_stack+0x98/0xd4 (unreliable)
.lockdep_rcu_suspicious+0x108/0x170
.free_pcppages_bulk+0x60c/0x920
.free_hot_cold_page+0x208/0x280
.destroy_context+0x90/0xd0
.__mmdrop+0x58/0x160
.idle_task_exit+0xf0/0x100
.pnv_smp_cpu_kill_self+0x58/0x2c0
.cpu_die+0x34/0x50
.arch_cpu_idle_dead+0x20/0x40
.cpu_startup_entry+0x708/0x7a0
.start_secondary+0x36c/0x3a0
start_secondary_prolog+0x10/0x14
Fix this by converting mm_page_pcpu_drain trace point into
TRACE_EVENT_CONDITION where condition is cpu_online(smp_processor_id())
Signed-off-by: Shreyas B. Prabhu <shreyas@linux.vnet.ibm.com>
Reviewed-by: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Since tracepoints use RCU for protection, they must not be called on
offline cpus. trace_mm_page_free can be called on an offline cpu in this
scenario caught by LOCKDEP:
===============================
[ INFO: suspicious RCU usage. ]
4.1.0-rc1+ #9 Not tainted
-------------------------------
include/trace/events/kmem.h:170 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
RCU used illegally from offline CPU!
rcu_scheduler_active = 1, debug_locks = 1
no locks held by swapper/1/0.
stack backtrace:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.1.0-rc1+ #9
Call Trace:
.dump_stack+0x98/0xd4 (unreliable)
.lockdep_rcu_suspicious+0x108/0x170
.free_pages_prepare+0x494/0x680
.free_hot_cold_page+0x50/0x280
.destroy_context+0x90/0xd0
.__mmdrop+0x58/0x160
.idle_task_exit+0xf0/0x100
.pnv_smp_cpu_kill_self+0x58/0x2c0
.cpu_die+0x34/0x50
.arch_cpu_idle_dead+0x20/0x40
.cpu_startup_entry+0x708/0x7a0
.start_secondary+0x36c/0x3a0
start_secondary_prolog+0x10/0x14
Fix this by converting mm_page_free trace point into TRACE_EVENT_CONDITION
where condition is cpu_online(smp_processor_id())
Signed-off-by: Shreyas B. Prabhu <shreyas@linux.vnet.ibm.com>
Reviewed-by: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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| | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Since tracepoints use RCU for protection, they must not be called on
offline cpus. trace_kmem_cache_free can be called on an offline cpu in
this scenario caught by LOCKDEP:
===============================
[ INFO: suspicious RCU usage. ]
4.1.0-rc1+ #9 Not tainted
-------------------------------
include/trace/events/kmem.h:148 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
RCU used illegally from offline CPU!
rcu_scheduler_active = 1, debug_locks = 1
no locks held by swapper/1/0.
stack backtrace:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.1.0-rc1+ #9
Call Trace:
.dump_stack+0x98/0xd4 (unreliable)
.lockdep_rcu_suspicious+0x108/0x170
.kmem_cache_free+0x344/0x4b0
.__mmdrop+0x4c/0x160
.idle_task_exit+0xf0/0x100
.pnv_smp_cpu_kill_self+0x58/0x2c0
.cpu_die+0x34/0x50
.arch_cpu_idle_dead+0x20/0x40
.cpu_startup_entry+0x708/0x7a0
.start_secondary+0x36c/0x3a0
start_secondary_prolog+0x10/0x14
Fix this by converting kmem_cache_free trace point into
TRACE_EVENT_CONDITION where condition is cpu_online(smp_processor_id())
Signed-off-by: Shreyas B. Prabhu <shreyas@linux.vnet.ibm.com>
Reported-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull fixes for cpumask and modules from Rusty Russell:
"** NOW WITH TESTING! **
Two fixes which got lost in my recent distraction. One is a weird
cpumask function which needed to be rewritten, the other is a module
bug which is cc:stable"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
cpumask_set_cpu_local_first => cpumask_local_spread, lament
module: Call module notifier on failure after complete_formation()
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da91309e0a7e (cpumask: Utility function to set n'th cpu...) created a
genuinely weird function. I never saw it before, it went through DaveM.
(He only does this to make us other maintainers feel better about our own
mistakes.)
cpumask_set_cpu_local_first's purpose is say "I need to spread things
across N online cpus, choose the ones on this numa node first"; you call
it in a loop.
It can fail. One of the two callers ignores this, the other aborts and
fails the device open.
It can fail in two ways: allocating the off-stack cpumask, or through a
convoluted codepath which AFAICT can only occur if cpu_online_mask
changes. Which shouldn't happen, because if cpu_online_mask can change
while you call this, it could return a now-offline cpu anyway.
It contains a nonsensical test "!cpumask_of_node(numa_node)". This was
drawn to my attention by Geert, who said this causes a warning on Sparc.
It sets a single bit in a cpumask instead of returning a cpu number,
because that's what the callers want.
It could be made more efficient by passing the previous cpu rather than
an index, but that would be more invasive to the callers.
Fixes: da91309e0a7e8966d916a74cce42ed170fde06bf
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (then rebased)
Tested-by: Amir Vadai <amirv@mellanox.com>
Acked-by: Amir Vadai <amirv@mellanox.com>
Acked-by: David S. Miller <davem@davemloft.net>
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The module notifier call chain for MODULE_STATE_COMING was moved up before
the parsing of args, into the complete_formation() call. But if the module failed
to load after that, the notifier call chain for MODULE_STATE_GOING was
never called and that prevented the users of those call chains from
cleaning up anything that was allocated.
Link: http://lkml.kernel.org/r/554C52B9.9060700@gmail.com
Reported-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Fixes: 4982223e51e8 "module: set nx before marking module MODULE_STATE_COMING"
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Pull drm fixes from Dave Airlie:
"This is made up 4 groups of fixes detailed below.
vgem:
Due to some misgivings about possible bad use cases this allow,
backout a chunk of the interface to stop those use cases for now.
radeon:
Fix for an oops regression in the audio code, and a partial revert
for a fix that was cauing problems.
nouveau:
regression fix for Fermi, and display-less Maxwell boot fixes.
drm core:
a fix for i915 cursor vblank waiting in the atomic helpers"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/gr/gm204: remove a stray printk
drm/nouveau/devinit/gm100-: force devinit table execution on boards without PDISP
drm/nouveau/devinit/gf100: make the force-post condition more obvious
drm/nouveau/gr/gf100-: fix wrong constant definition
drm/radeon: partially revert "fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling"
drm/radeon/audio: make sure connector is valid in hotplug case
Revert "drm/radeon: only mark audio as connected if the monitor supports it (v3)"
drm/radeon: don't share plls if monitors differ in audio support
drm/vgem: drop DRIVER_PRIME (v2)
drm/plane-helper: Adapt cursor hack to transitional helpers
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Regression fix for Fermi acceleration, and fixes important to bringing
up display-less Maxwell boards.
* 'linux-4.1' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/gr/gm204: remove a stray printk
drm/nouveau/devinit/gm100-: force devinit table execution on boards without PDISP
drm/nouveau/devinit/gf100: make the force-post condition more obvious
drm/nouveau/gr/gf100-: fix wrong constant definition
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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PDISP
Should fix fdo#89558
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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And also more generic, so it can be used on newer chipsets.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Commit 3740c82590d8 ("drm/nouveau/gr/gf100-: add symbolic names for
classes") introduced a wrong macro definition causing acceleration setup
to fail. Fix it.
Signed-off-by: Lars Seipel <ls@slrz.net>
Fixes: 3740c82590d8 ("drm/nouveau/gr/gf100-: add symbolic names for classes")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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into drm-fixes
one more regression fix, partial revert.
* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: partially revert "fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling"
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We have that bug for years and some users report side effects when fixing it on older hardware.
So revert it for VM_CONTEXT0_PAGE_TABLE_END_ADDR, but keep it for VM 1-15.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
here's a drm regression fix for drivers only partially
converted to atomic.
* tag 'topic/drm-fixes-2015-05-27' of git://anongit.freedesktop.org/drm-intel:
drm/plane-helper: Adapt cursor hack to transitional helpers
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In
commit f02ad907cd9e7fe3a6405d2d005840912f1ed258
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Jan 22 16:36:23 2015 +0100
drm/atomic-helpers: Recover full cursor plane behaviour
we've added a hack to atomic helpers to never to vblank waits for
cursor updates through the legacy apis since that's what X expects.
Unfortunately we've (again) forgotten to adjust the transitional
helpers. Do this now.
This fixes regressions for drivers only partially converted over to
atomic (like i915).
Reported-by: Pekka Paalanen <ppaalanen@gmail.com>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-and-tested-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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into drm-fixes
one revert, and two regression fixes for audio/hdmi
* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/audio: make sure connector is valid in hotplug case
Revert "drm/radeon: only mark audio as connected if the monitor supports it (v3)"
drm/radeon: don't share plls if monitors differ in audio support
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Avoids a crash when a monitor is hotplugged and the encoder
and connector are not linked yet.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=90681
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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(v3)"
This breaks too many things.
bugs:
https://bugzilla.kernel.org/show_bug.cgi?id=99041
https://bugs.freedesktop.org/show_bug.cgi?id=90681
This reverts commit 0f55db36d49d45b80eff0c0a2a498766016f458b.
Cc: stable@vger.kernel.org
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Enabling audio may enable different pll dividers. Don't share
plls if the monitors differ in audio support.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=98751
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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For actual sharing of buffers with other drivers (ie. actual hardware)
we'll need to pimp things out a bit better to deal w/ caching, multiple
memory domains, etc. See thread:
http://lists.freedesktop.org/archives/dri-devel/2015-May/083160.html
But for the llvmpipe use-case this isn't a problem. Nor do we really
need prime/dri3 (dri2 is sufficient). So until the other issues are
sorted lets remove DRIVER_PRIME.
v2: also drop the dead code
[airlied:
Okay I'm convinced this API could have a lot of use cases
that are really really bad, yes the upload use case is valid
however that isn't the only use case enabled, and if we allow
all the other use cases, people will start to (ab)use them,
and then they'll be ABI and my life will get worse, so disable
PRIME for now]
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"No big surprise here, just a bunch of small fixes for HD-audio and
USB-audio:
- partial revert of widget power-saving for IDT codecs
- revert mute-LED enum ctl for Thinkpads due to confusion
- a quirk for a new Radeon HDMI controller
- Realtek codec name fix for Dell
- a workaround for headphone mic boost on some laptops
- stream_pm ops setup (and its fix for regression)
- another quirk for MS LifeCam USB-audio"
* tag 'sound-4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix lost sound due to stream_pm ops cleanup
ALSA: hda - Disable Headphone Mic boost for ALC662
ALSA: hda - Disable power_save_node for IDT92HD71bxx
ALSA: hda - Fix noise on AMD radeon 290x controller
ALSA: hda - Set stream_pm ops automatically by generic parser
ALSA: hda/realtek - Add ALC256 alias name for Dell
Revert "ALSA: hda - Add mute-LED mode control to Thinkpad"
ALSA: usb-audio: Add quirk for MS LifeCam HD-3000
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The commit [49fb18972581: ALSA: hda - Set stream_pm ops automatically
by generic parser] resulted in regressions on some Realtek and VIA
codecs because these drivers set patch_ops after calling the generic
parser, thus stream_pm got cleared to NULL again. I haven't noticed
since I tested with IDT codec.
Restore (partial revert) the stream_pm ops for them to fix the
regression.
Fixes: 49fb18972581 ('ALSA: hda - Set stream_pm ops automatically by generic parser')
Reported-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When headphone mic boost is above zero, some 10 - 20 second delay
might occur before the headphone mic is operational.
Therefore disable the headphone mic boost control (recording gain is
sufficient even without it).
(Note: this patch is not about the headset mic, it's about the less
common mic-in only mode.)
BugLink: https://bugs.launchpad.net/bugs/1454235
Suggested-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We've got a regression report that 4.1-rc causes noises on a Dell
laptop. Similar like Realtek codec, this seems also triggered by the
recent power_save_node feature. As this kind of issue is quite hard
to debug without actual hardware, disable the power_save_node flag for
this codec as a workaround.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=98971
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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A new AMD controller [1002:aac8] seems to need the quirk for other AMD
NS HDMI stuff, otherwise it gives noisy sounds.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=99021
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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