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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: hda - Add quirk for Packard Bell RS65
[ALSA] intel8x0: another attempt to fix ac97_clock measure routine
[ALSA] ac97_codec: increase timeout for analog subsections
ALSA: hda - Add quirks for Realtek codecs
ALSA: hda - Fix alc662_init_verbs
ALSA: keywest: Convert to new-style i2c driver
ALSA: AOA: Convert onyx and tas codecs to new-style i2c drivers
ALSA: Atiixp: Add SSID for mute_led quirk (unknown HP model)
ALSA: us122l: add snd_us122l_free()
ASoC: Fix warning in wm9705
ASoC: OMAP: Update contact addresses
ASoC: pxa-ssp: Don't use SSCR0_SerClkDiv and SSCR0_SCR
ALSA: us122l: Fix signedness in comparisions
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* commit 'alsa/master':
[ALSA] intel8x0: another attempt to fix ac97_clock measure routine
[ALSA] ac97_codec: increase timeout for analog subsections
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Appearently, a big delay ~300ms is required before hw is settled and ready
to transfer samples on some hardware variants. Also, return back
"clocking to 48000Hz" message when something fails.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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On some hardware platforms, the AC97 codec requires more time
to wake up.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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* fix/hda:
ALSA: hda - Add quirk for Packard Bell RS65
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Added a quirk (model=m51va) for Packard Bell RS65 with ALC663.
Reference: Novell bnc#496787
https://bugzilla.novell.com/show_bug.cgi?id=496787
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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* fix/usx2y:
ALSA: us122l: add snd_us122l_free()
ALSA: us122l: Fix signedness in comparisions
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Use it to clean up snd_us122l_card_used[].
Without patch unplugging of an US122L soundcard didn't reset the
corresponding element of snd_us122l_card_used[] to 0.
The (SNDRV_CARDS + 1)th plugging in did not result in creating the soundcard
device anymore.
Index values supplied with the modprobe command line were not used correctly
anymore after the first unplugging of an US122L.
Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Cc: stable@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Within 2.6.30's mergewindow, struct urb's transfer_buffer_length has become
unsigned. This changed an "int > int" comparision to an "unsigned > int" one
in snd_usb_122l.
Fix this by using a local int variable instead of urb->transfer_buffer_length
in comparisions.
Shorten playback_prep_freqn() a bit and tweak error-paths in
usb_stream_prepare_playback().
Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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* fix/misc:
ALSA: Atiixp: Add SSID for mute_led quirk (unknown HP model)
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Reference: Ubuntu #84973 (https://launchpad.net/bugs/84973)
Reference: Linux #8001 (http://bugzilla.kernel.org/show_bug.cgi?id=8001)
Make the mute LED function properly on this unknown HP model.
Signed-off-by: Daniel T Chen <seven.steps@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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* fix/asoc:
ASoC: Fix warning in wm9705
ASoC: OMAP: Update contact addresses
ASoC: pxa-ssp: Don't use SSCR0_SerClkDiv and SSCR0_SCR
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I notice that the fixes were merged, minus one:
sound/soc/codecs/wm9705.c: At top level:
sound/soc/codecs/wm9705.c:445: warning: initialization from incompatible pointer type
so you might find this trivial patch useful.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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My email address is going to expire soon so update it. Adding also
Peter Ujfalusi <peter.ujfalusi@nokia.com> as a second contact to OMAP core
drivers since I won't have anymore access to non-public OMAP documentation
in the future and Peter is working with these drivers as well.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Those macros are just screwed as soon as CONFIG_PXA25x is enabled.
This patch
- changes ssp_set_scr to take an ssp_dev pointer instead of ssp_device
- adds a corresponding ssp_get_scr function.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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* fix/hda:
ALSA: hda - Add quirks for Realtek codecs
ALSA: hda - Fix alc662_init_verbs
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- Support ASUS F81Se F5Q P80 U20A U80 U50 UX50 for ALC269
- Support ASUS F70SL UX20 X58LE F50Z N80Vc N81Te N505Tp Vx3V N5051A
for ALC663
- Support DELL ZM1 for ALC272
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Don't unmute unneeded amps for input mixers of ALC662 & co.
It caused possible recording noises.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The legacy i2c binding model is going away soon, so convert the ppc
keywest sound driver to the new model or it will break.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The legacy i2c binding model is going away soon, so convert the AOA
codec drivers to the new model or they'll break.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Tested-by: Andreas Schwab <schwab@linux-m68k.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The release path for a disconnected device frees the object then unlocks
the mutex in the freed object...
Found by Dan Carpenter using Smatch
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove my name and emailaddress from note in the source. Wincor Nixdorf
only has some ITE-chips on their mainboards, other chips are not
available for me for testing.
Signed-off-by: Niels de Vos <niels.devos@wincor-nixdorf.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Wrong types on IRQ handler
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
cfq-iosched: cache prio_tree root in cfqq->p_root
cfq-iosched: fix bug with aliased request and cooperation detection
cfq-iosched: clear ->prio_trees[] on cfqd alloc
block: fix intermittent dm timeout based oops
umem: fix request_queue lock warning
block: simplify I/O stat accounting
pktcdvd.h should include mempool.h
cfq-iosched: use the default seek distance when there aren't enough seek samples
cfq-iosched: make seek_mean converge more quickly
block: make blk_abort_queue() ignore non-request based devices
block: include empty disks in /proc/diskstats
bio: use bio_kmalloc() in copy/map functions
bio: fix bio_kmalloc()
block: fix queue bounce limit setting
block: fix SG_IO vector request data length handling
scatterlist: make sure sg_miter_next() doesn't return 0 sized mappings
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Currently we look it up from ->ioprio, but ->ioprio can change if
either the process gets its IO priority changed explicitly, or if
cfq decides to temporarily boost it. So if we are unlucky, we can
end up attempting to remove a node from a different rbtree root than
where it was added.
Fix this by using ->org_ioprio as the prio_tree index, since that
will only change for explicit IO priority settings (not for a boost).
Additionally cache the rbtree root inside the cfqq, then we don't have
to add code to reinsert the cfqq in the prio_tree if IO priority changes.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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cfq_prio_tree_lookup() should return the direct match, yet it always
returns zero. Fix that.
cfq_prio_tree_add() assumes that we don't get a direct match, while
it is very possible that we do. Using O_DIRECT, you can have different
cfqq with matching requests, since you don't have the page cache
to serialize things for you. Fix this bug by only adding the cfqq if
there isn't an existing match.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Not strictly needed, but we should make it clear that we init the
rbtree roots here.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Very rarely under stress testing of dm, oopses are occuring as
something tampers with an old stack frame. This has been traced back
to blk_abort_queue() leaving a timeout_list pointing to the stack.
The reason is that sometimes blk_abort_request() won't delete the
timer (if the request is marked as complete but before the timer has
been removed, a small race window). Fix this by splicing back from
the ususally empty list to the q->timeout_list.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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The umem driver issues two warnings on boot, due to blk_plug_device() and
blk_remove_plug() being called without q->queue_lock held. Starting with
e48ec690 (block: extend queue_flag bitops), the queue_flag_* functions
warn if q->queue_lock doesn't appear to be locked. In fact, q->queue_lock
is NULL (though that apparently isn't otherwise a problem as the driver is
using card->lock for everything).
Although blk_init_queue() with take a request_fn_proc and spinlock_t*,
there isn't a corresponding init helper that takes a make_request_fn.
Setting queue_lock to &card->lock explicitly seems to work fine for me.
The warning goes away and the device appears to behave.
[ 1.531881] v2.3 : Micro Memory(tm) PCI memory board block driver
[ 1.538136] umem 0000:02:01.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
[ 1.545018] umem 0000:02:01.0: Micro Memory(tm) controller found (PCI Mem Module (Battery Backup))
[ 1.554176] umem 0000:02:01.0: CSR 0xfc9ffc00 -> 0xffffc200013d0c00 (0x100)
[ 1.561279] umem 0000:02:01.0: Size 1048576 KB, Battery 1 Disabled (FAILURE), Battery 2 Disabled (FAILURE)
[ 1.571114] umem 0000:02:01.0: Window size 16777216 bytes, IRQ 20
[ 1.577304] umem 0000:02:01.0: memory NOT initialized. Consider over-writing whole device.
[ 1.585989] umema:<4>------------[ cut here ]------------
[ 1.591775] WARNING: at include/linux/blkdev.h:492 blk_plug_device+0x6d/0x106()
[ 1.592025] Hardware name: H8SSL
[ 1.592025] Modules linked in:
[ 1.592025] Pid: 1, comm: swapper Not tainted 2.6.29 #8
[ 1.592025] Call Trace:
[ 1.592025] [<ffffffff8023c994>] warn_slowpath+0xd3/0xf2
[ 1.592025] [<ffffffff8025a5b5>] ? save_trace+0x3f/0x9b
[ 1.592025] [<ffffffff8025a68b>] ? add_lock_to_list+0x7a/0xba
[ 1.592025] [<ffffffff8025e609>] ? validate_chain+0xb3b/0xce8
[ 1.592025] [<ffffffff80441556>] ? mm_make_request+0x27/0x59
[ 1.592025] [<ffffffff80441556>] ? mm_make_request+0x27/0x59
[ 1.592025] [<ffffffff8025ef04>] ? __lock_acquire+0x74e/0x7b9
[ 1.592025] [<ffffffff8025a70e>] ? get_lock_stats+0x34/0x5e
[ 1.592025] [<ffffffff8025a746>] ? put_lock_stats+0xe/0x27
[ 1.592025] [<ffffffff80441556>] ? mm_make_request+0x27/0x59
[ 1.592025] [<ffffffff803ad165>] blk_plug_device+0x6d/0x106
[ 1.592025] [<ffffffff80441575>] mm_make_request+0x46/0x59
[ 1.592025] [<ffffffff803ac2d9>] generic_make_request+0x335/0x3cf
[ 1.592025] [<ffffffff8027fcc7>] ? mempool_alloc_slab+0x11/0x13
[ 1.592025] [<ffffffff8027fdce>] ? mempool_alloc+0x45/0x101
[ 1.592025] [<ffffffff8025a746>] ? put_lock_stats+0xe/0x27
[ 1.592025] [<ffffffff803adda5>] submit_bio+0x10a/0x119
[ 1.592025] [<ffffffff802c8d00>] submit_bh+0xe5/0x109
[ 1.592025] [<ffffffff802cbf43>] block_read_full_page+0x2aa/0x2cb
[ 1.592025] [<ffffffff802cf4c4>] ? blkdev_get_block+0x0/0x4c
[ 1.592025] [<ffffffff805c90a8>] ? _spin_unlock_irq+0x36/0x51
[ 1.592025] [<ffffffff80286836>] ? __lru_cache_add+0x92/0xb2
[ 1.592025] [<ffffffff802cf008>] blkdev_readpage+0x13/0x15
[ 1.592025] [<ffffffff8027de06>] read_cache_page_async+0x90/0x134
[ 1.592025] [<ffffffff802ceff5>] ? blkdev_readpage+0x0/0x15
[ 1.592025] [<ffffffff802f5f1c>] ? adfspart_check_ICS+0x0/0x16c
[ 1.592025] [<ffffffff8027deb8>] read_cache_page+0xe/0x45
[ 1.592025] [<ffffffff802f5170>] read_dev_sector+0x2e/0x93
[ 1.592025] [<ffffffff802f5f44>] adfspart_check_ICS+0x28/0x16c
[ 1.592025] [<ffffffff8025d427>] ? trace_hardirqs_on+0xd/0xf
[ 1.592025] [<ffffffff802f5f1c>] ? adfspart_check_ICS+0x0/0x16c
[ 1.592025] [<ffffffff802f59c5>] rescan_partitions+0x168/0x2fb
[ 1.592025] [<ffffffff802ceae9>] __blkdev_get+0x259/0x336
[ 1.592025] [<ffffffff803ca1e2>] ? kobject_put+0x47/0x4b
[ 1.592025] [<ffffffff802cebd1>] blkdev_get+0xb/0xd
[ 1.592025] [<ffffffff802f5773>] register_disk+0xc4/0x12b
[ 1.592025] [<ffffffff803b2a7b>] add_disk+0xc3/0x12d
[ 1.592025] [<ffffffff808a1d4a>] ? mm_init+0x0/0x1a5
[ 1.592025] [<ffffffff808a1e73>] mm_init+0x129/0x1a5
[ 1.592025] [<ffffffff808a1d4a>] ? mm_init+0x0/0x1a5
[ 1.592025] [<ffffffff80209056>] _stext+0x56/0x130
[ 1.592025] [<ffffffff80274932>] ? register_irq_proc+0xae/0xca
[ 1.592025] [<ffffffff802f0000>] ? proc_pid_lookup+0xb4/0x18b
[ 1.592025] [<ffffffff8087f975>] kernel_init+0x132/0x18b
[ 1.592025] [<ffffffff8020d17a>] child_rip+0xa/0x20
[ 1.592025] [<ffffffff8020cb40>] ? restore_args+0x0/0x30
[ 1.592025] [<ffffffff8087f843>] ? kernel_init+0x0/0x18b
[ 1.592025] [<ffffffff8020d170>] ? child_rip+0x0/0x20
[ 1.592025] ---[ end trace 7150b3b86da74e1e ]---
[ 1.889858] ------------[ cut here ]------------[ve_plug+0x5f/0x91()
[ 1.893848] Hardware name: H8SSL
[ 1.893848] Modules linked in:
[ 1.893848] Pid: 1, comm: swapper Tainted: G W 2.6.29 #8
[ 1.893848] Call Trace:
[ 1.893848] [<ffffffff8023c994>] warn_slowpath+0xd3/0xf2
[ 1.893848] [<ffffffff805c8411>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 1.893848] [<ffffffff8020cb40>] ? restore_args+0x0/0x30
[ 1.893848] [<ffffffff80254245>] ? __atomic_notifier_call_chain+0x0/0xb2
[ 1.893848] [<ffffffff805c90a3>] ? _spin_unlock_irq+0x31/0x51
[ 1.893848] [<ffffffff805c90bf>] ? _spin_unlock_irq+0x4d/0x51
[ 1.893848] [<ffffffff8044157d>] ? mm_make_request+0x4e/0x59
[ 1.893848] [<ffffffff8025a70e>] ? get_lock_stats+0x34/0x5e
[ 1.893848] [<ffffffff8025a75d>] ? put_lock_stats+0x25/0x27
[ 1.893848] [<ffffffff80441504>] ? mm_unplug_device+0x25/0x50
[ 1.893848] [<ffffffff803acf23>] blk_remove_plug+0x5f/0x91
[ 1.893848] [<ffffffff8044150f>] mm_unplug_device+0x30/0x50
[ 1.893848] [<ffffffff803ab74a>] blk_unplug+0x78/0x7d
[ 1.893848] [<ffffffff803ab75c>] blk_backing_dev_unplug+0xd/0xf
[ 1.893848] [<ffffffff802c853c>] block_sync_page+0x4a/0x4c
[ 1.893848] [<ffffffff8027da1c>] sync_page+0x44/0x4d
[ 1.893848] [<ffffffff805c66fd>] __wait_on_bit_lock+0x42/0x8a
[ 1.893848] [<ffffffff8027d9d8>] ? sync_page+0x0/0x4d
[ 1.893848] [<ffffffff8027d9c4>] __lock_page+0x64/0x6b
[ 1.893848] [<ffffffff802508db>] ? wake_bit_function+0x0/0x2a
[ 1.893848] [<ffffffff8027de4a>] read_cache_page_async+0xd4/0x134
[ 1.893848] [<ffffffff802ceff5>] ? blkdev_readpage+0x0/0x15
[ 1.893848] [<ffffffff802f5f1c>] ? adfspart_check_ICS+0x0/0x16c
[ 1.893848] [<ffffffff8027deb8>] read_cache_page+0xe/0x45
[ 1.893848] [<ffffffff802f5170>] read_dev_sector+0x2e/0x93
[ 1.893848] [<ffffffff802f5f44>] adfspart_check_ICS+0x28/0x16c
[ 1.893848] [<ffffffff8025d427>] ? trace_hardirqs_on+0xd/0xf
[ 1.893848] [<ffffffff802f5f1c>] ? adfspart_check_ICS+0x0/0x16c
[ 1.893848] [<ffffffff802f59c5>] rescan_partitions+0x168/0x2fb
[ 1.893848] [<ffffffff802ceae9>] __blkdev_get+0x259/0x336
[ 1.893848] [<ffffffff803ca1e2>] ? kobject_put+0x47/0x4b
[ 1.893848] [<ffffffff802cebd1>] blkdev_get+0xb/0xd
[ 1.893848] [<ffffffff802f5773>] register_disk+0xc4/0x12b
[ 1.893848] [<ffffffff803b2a7b>] add_disk+0xc3/0x12d
[ 1.893848] [<ffffffff808a1d4a>] ? mm_init+0x0/0x1a5
[ 1.893848] [<ffffffff808a1e73>] mm_init+0x129/0x1a5
[ 1.893848] [<ffffffff808a1d4a>] ? mm_init+0x0/0x1a5
[ 1.893848] [<ffffffff80209056>] _stext+0x56/0x130
[ 1.893848] [<ffffffff80274932>] ? register_irq_proc+0xae/0xca
[ 1.893848] [<ffffffff802f0000>] ? proc_pid_lookup+0xb4/0x18b
[ 1.893848] [<ffffffff8087f975>] kernel_init+0x132/0x18b
[ 1.893848] [<ffffffff8020d17a>] child_rip+0xa/0x20
[ 1.893848] [<ffffffff8020cb40>] ? restore_args+0x0/0x30
[ 1.893848] [<ffffffff8087f843>] ? kernel_init+0x0/0x18b
[ 1.893848] [<ffffffff8020d170>] ? child_rip+0x0/0x20
[ 1.893848] ---[ end trace 7150b3b86da74e1f ]---
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This simplifies I/O stat accounting switching code and separates it
completely from I/O scheduler switch code.
Requests are accounted according to the state of their request queue
at the time of the request allocation. There is no need anymore to
flush the request queue when switching I/O accounting state.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Fix this build error:
In file included from fs/compat_ioctl.c:104:
include/linux/pktcdvd.h:285: error: expected specifier-qualifier-list before 'mempool_t'
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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If the cfq io context doesn't have enough samples yet to provide a mean
seek distance, then use the default threshold we have for seeky IO instead
of defaulting to 0.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Right now, depending on the first sector to which a process issues I/O,
the seek time may start out way out of whack. So make sure we start
with 0 sectors in seek, instead of the offset of the first request
issued.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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There's nothing to do for those devices, since the timeout handling is
based on requests.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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/proc/diskstats used to show stats for all disks whether they're
zero-sized or not and their non-zero partitions. Commit
074a7aca7afa6f230104e8e65eba3420263714a5 accidentally changed the
behavior such that it doesn't print out zero sized disks. This patch
implements DISK_PITER_INCL_EMPTY_PART0 flag to partition iterator and
uses it in diskstats_show() such that empty part0 is shown in
/proc/diskstats.
Reported and bisectd by Dianel Collins.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Daniel Collins <solemnwarning@solemnwarning.no-ip.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Impact: remove possible deadlock condition
There is no reason to use mempool backed allocation for map functions.
Also, because kern mapping is used inside LLDs (e.g. for EH), using
mempool backed allocation can lead to deadlock under extreme
conditions (mempool already consumed by the time a request reached EH
and requests are blocked on EH).
Switch copy/map functions to bio_kmalloc().
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Impact: fix bio_kmalloc() and its destruction path
bio_kmalloc() was broken in two ways.
* bvec_alloc_bs() first allocates bvec using kmalloc() and then
ignores it and allocates again like non-kmalloc bvecs.
* bio_kmalloc_destructor() didn't check for and free bio integrity
data.
This patch fixes the above problems. kmalloc patch is separated out
from bio_alloc_bioset() and allocates the requested number of bvecs as
inline bvecs.
* bio_alloc_bioset() no longer takes NULL @bs. None other than
bio_kmalloc() used it and outside users can't know how it was
allocated anyway.
* Define and use BIO_POOL_NONE so that pool index check in
bvec_free_bs() triggers if inline or kmalloc allocated bvec gets
there.
* Relocate destructors on top of each allocation function so that how
they're used is more clear.
Jens Axboe suggested allocating bvecs inline.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Impact: don't set GFP_DMA in q->bounce_gfp unnecessarily
All DMA address limits are expressed in terms of the last addressable
unit (byte or page) instead of one plus that. However, when
determining bounce_gfp for 64bit machines in blk_queue_bounce_limit(),
it compares the specified limit against 0x100000000UL to determine
whether it's below 4G ending up falsely setting GFP_DMA in
q->bounce_gfp.
As DMA zone is very small on x86_64, this makes larger SG_IO transfers
very eager to trigger OOM killer. Fix it. While at it, rename the
parameter to @dma_mask for clarity and convert comment to proper
winged style.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Impact: fix SG_IO behavior such that it matches the documentation
SG_IO howto says that if ->dxfer_len and sum of iovec disagress, the
shorter one wins. However, the current implementation returns -EINVAL
for such cases. Trim iovc if it's longer than ->dxfer_len.
This patch uses iov_*() helpers which take struct iovec * by casting
struct sg_iovec * to it. sg_iovec is always identical to iovec and
this will be further cleaned up with later patches.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Impact: fix not-so-critical but annoying bug
sg_miter_next() returns 0 sized mapping if there is an zero sized sg
entry in the list or at the end of each iteration. As the users
always check the ->length field, this bug shouldn't be critical other
than causing unnecessary iteration.
Fix it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Update the defconfig for the ASB2303 evaluation board.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Slow-work appears to delete its timer as soon as the first user
unregisters, even though other users could be active. At the same time, it
never seems to delete slow_work_oom_timer. Arrange for both to happen in
the shutdown path.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (94 commits)
netfilter: ctnetlink: fix gcc warning during compilation
net/netrom: Fix socket locking
netlabel: Always remove the correct address selector
ucc_geth.c: Fix upsmr setting in RMII mode
8139too: fix HW initial flow
af_iucv: Fix race when queuing incoming iucv messages
af_iucv: Test additional sk states in iucv_sock_shutdown
af_iucv: Reject incoming msgs if RECV_SHUTDOWN is set
af_iucv: fix oops in iucv_sock_recvmsg() for MSG_PEEK flag
af_iucv: consider state IUCV_CLOSING when closing a socket
iwlwifi: DMA fixes
iwlwifi: add debugging for TX path
mwl8: fix build warning.
mac80211: fix alignment calculation bug
mac80211: do not print WARN if config interface
iwl3945: use cancel_delayed_work_sync to cancel rfkill_poll
iwlwifi: fix EEPROM validation mask to include OTP only devices
atmel: fix netdev ops conversion
pcnet_cs: add cis(firmware) of the Allied Telesis LA-PCM
mlx4_en: Fix cleanup if workqueue create in mlx4_en_add() fails
...
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This patch fixes a (bogus?) gcc warning during compilation:
net/netfilter/nf_conntrack_netlink.c:1234: warning: 'helpname' may be used uninitialized in this function
net/netfilter/nf_conntrack_netlink.c:991: warning: 'helpname' may be used uninitialized in this function
In fact, helpname is initialized by ctnetlink_parse_help() so
I cannot see a way to use it without being initialized.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Patch "af_rose/x25: Sanity check the maximum user frame size"
(commit 83e0bbcbe2145f160fbaa109b0439dae7f4a38a9) from Alan Cox got
locking wrong. If we bail out due to user frame size being too large,
we must unlock the socket beforehand.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The NetLabel address selector mechanism has a problem where it can get
mistakenly remove the wrong selector when similar addresses are used. The
problem is caused when multiple addresses are configured that have different
netmasks but the same address, e.g. 127.0.0.0/8 and 127.0.0.0/24. This patch
fixes the problem.
Reported-by: Etienne Basset <etienne.basset@numericable.fr>
Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: James Morris <jmorris@namei.org>
Tested-by: Etienne Basset <etienne.basset@numericable.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If using the UCC on a MPC8360 in RMII mode, don;t set
UCC_GETH_UPSMR_RPM bit in the upsmr register.
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While ifconfig eth0 up kernel calls open() of 8139 driver(8139too.c).
In rtl8139_hw_start() of rtl8139_open(), 8139 driver enable RX before
setting up the DMA buffer address. In this interval where RX was
enabled and DMA buffer address is not yet set up, any incoming
broadcast packet would be send to a strange physical address:
0x003e8800 which is the default value of DMA buffer address.
Unfortunately, this address is used by Linux kernel. So kernel panics.
This patch fix it by setting up DMA buffer address before RX enabled
and everything is fine even under broadcast packets attack.
Signed-off-by: Jonathan Lin <jon.lin@vatics.com>
Signed-off-by: Amos Kong <jianjun@zeuux.org>
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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AF_IUCV runs into a race when queuing incoming iucv messages
and receiving the resulting backlog.
If the Linux system is under pressure (high load or steal time),
the message queue grows up, but messages are not received and queued
onto the backlog queue. In that case, applications do not
receive any data with recvmsg() even if AF_IUCV puts incoming
messages onto the message queue.
The race can be avoided if the message queue spinlock in the
message_pending callback is spreaded across the entire callback
function.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add few more sk states in iucv_sock_shutdown().
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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