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Change the function to read the data from the new shadow buffer.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
When selecting the audio output destinations (headphones,
FP headphones, multichannel output), the channel routing
should be changed depending on what destination selected.
Also unnecessary I2S channels are digitally muted. This
function called when the user selects the destination
in the ALSA mixer.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
When selecting the audio sample rate for CS4245,
the MCLK divider should also be changed.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Change CS4245 initialization: different sequence and GPIO values,
according to datasheets and reverse-engineering information.
Change cleanup/resume/suspend functions, since they use
initialization.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Add the new SPI write and read functions. The SPI read function
is used for creating initial registers dump and may be used for
debugging purposes. SPI operations are cached, so there is a new
function to manage the cache (shadow). I have to remove
the shift from the CS4245_SPI_* constants, since when
we are performing the reading, we need to shift by 8 instead
of 16.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Add additional constants to the xonar_dg.h file:
capture and playback sources. Move GPIO_* constants and the
dg struct to the header file from the xonar_dg.c file.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Add some additional information in comments and my copyright.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
When the user switches the output from stereo to multichannel
or vice versa, the driver needs to update the channel routing.
Instead of creating additional subroutines, I better export existing
oxygen_update_dac_routing symbol from the oxygen mixer
and call this function. It calls model.adjust_dac_routing()
and my function does the work.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
The Xonar DG/DGX driver needs this mask to mute unnecessary
channels.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Modify the oxygen_write_spi() function to use the newly
introduced oxygen_wait_spi() function. Change return value
from void to int, so it can return error codes. Older
drivers just ignore that return value, new drivers can
check this value. We need to wait AFTER
initiating the SPI transaction, otherwise read
operation will not work.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
The oxygen_wait_spi() function now performs waiting when the
SPI bus completes a transaction. Introduce the timeout error
checking and increase timeout to 200 from 40.
Signed-off-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
The driver prints IT8771F and IT8772F instead of IT8771E and IT8772E
respectively when the driver is loaded. This is a cosmetic only bug
but let's fix it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Add support for IT8603E.
This closes bug #57861:
https://bugzilla.kernel.org/show_bug.cgi?id=57861
[JD: Fixes and clean-ups.]
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Move the test for res->sr_slot == NULL out of the nfs41_sequence_free_slot
helper and into the main function for efficiency.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
The check for whether or not we sent an RPC call in nfs40_sequence_done
is insufficient to decide whether or not we are holding a session slot,
and thus should not be used to decide when to free that slot.
This patch replaces the RPC_WAS_SENT() test with the correct test for
whether or not slot == NULL.
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org # 3.12+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
When Hyper-V hypervisor leaves are present, KVM must relocate
its own leaves at 0x40000100, because Windows does not look for
Hyper-V leaves at indices other than 0x40000000. In this case,
the KVM features are at 0x40000101, but the old code would always
look at 0x40000001.
Fix by using kvm_cpuid_base(). This also requires making the
function non-inline, since kvm_cpuid_base() is static.
Fixes: 1085ba7f55
Cc: stable@vger.kernel.org
Cc: mtosatti@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It is unnecessary to go through hypervisor_cpuid_base every time
a leaf is found (which will be every time a feature is requested
after the next patch).
Fixes: 1085ba7f55
Cc: stable@vger.kernel.org
Cc: mtosatti@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix a dynamic session slot leak where a slot is preallocated and I/O is
resent through the MDS.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Processing coefficients are often a vital part of the codec's configuration,
so dumping them can be important. However, because they are undocumented and
secret, we do not want to enable this for all codecs by default.
Therefore instead add this as a debugging parameter.
I have prepared for codecs that want to enable this by default by the extra
dump_coef bitfield, but unsure if we want to do that as long as the
(unlikely, but still) race remains.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Geert reported:
arch/xtensa/platforms/iss/simdisk.c:108:23: error: 'struct bio' has no member named 'bi_sector'
arch/xtensa/platforms/iss/simdisk.c:110:2: error: incompatible types when assigning to type 'int' from type 'struct bvec_iter'
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_size' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_size' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_size' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_bvec_done' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_bvec_done' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bi_bvec_done' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:110:2: error: request for member 'bv_len' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_size' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_size' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_bvec_done' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_bvec_done' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_bvec_done' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_size' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_size' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_bvec_done' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_bvec_done' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_idx' in something not a structure or union
arch/xtensa/platforms/iss/simdisk.c:111:18: error: request for member 'bi_bvec_done' in something not a structure or union
make[2]: *** [arch/xtensa/platforms/iss/simdisk.o] Error 1
Fixup the usage of bio_for_each_segment(). Also fix wrong use
of __bio_kunmap_atomic() - it needs the mapped buffer passed in,
not the originally mapped page.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We have a race during inode init because the BTRFS_I(inode)->location is setup
after the inode hash table lock is dropped. btrfs_find_actor uses the location
field, so our search might not find an existing inode in the hash table if we
race with the inode init code.
This commit changes things to setup the location field sooner. Also the find actor now
uses only the location objectid to match inodes. For inode hashing, we just
need a unique and stable test, it doesn't have to reflect the inode numbers we
show to userland.
Signed-off-by: Chris Mason <clm@fb.com>
CC: stable@vger.kernel.org
If we truncate an uncompressed inline item, ram_bytes isn't updated to reflect
the new size. The fixe uses the size directly from the item header when
reading uncompressed inlines, and also fixes truncate to update the
size as it goes.
Reported-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
CC: stable@vger.kernel.org
If the current path's leaf slot is 0, we do search for the previous
leaf (via btrfs_prev_leaf) and set the new path's leaf slot to a
value corresponding to the number of items - 1 of the former leaf.
Fix this by using the slot set by btrfs_prev_leaf, decrementing it
by 1 if it's equal to the leaf's number of items.
Use of btrfs_search_slot_for_read() for backward iteration is used in
particular by the send feature, which could miss items when the input
leaf has less items than its previous leaf.
This could be reproduced by running btrfs/007 from xfstests in a loop.
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
There are not any users that use ulist except Btrfs,don't
export them.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
We are really suffering from now ulist's implementation, some developers
gave their try, and i just gave some of my ideas for things:
1. use list+rb_tree instead of arrary+rb_tree
2. add cur_list to iterator rather than ulist structure.
3. add seqnum into every node when they are added, this is
used to do selfcheck when iterating node.
I noticed Zach Brown's comments before, long term is to kick off
ulist implementation, however, for now, we need at least avoid
arrary from ulist.
Cc: Liu Bo <bo.li.liu@oracle.com>
Cc: Josef Bacik <jbacik@fb.com>
Cc: Zach Brown <zab@redhat.com>
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
When walking backrefs, we may iterate every inode's extent
and add/merge them into ulist, and the caller will free memory
from ulist.
However, if we fail to allocate inode's extents element
memory or ulist_add() fail to allocate memory, we won't
add allocated memory into ulist, and the caller won't
free some allocated memory thus memory leaks happen.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
There was a case where file hole detection was incorrect and it would
cause an incremental send to override a section of a file with zeroes.
This happened in the case where between the last leaf we processed which
contained a file extent item for our current inode and the leaf we're
currently are at (and has a file extent item for our current inode) there
are only leafs containing exclusively file extent items for our current
inode, and none of them was updated since the previous send operation.
The file hole detection code would incorrectly consider the file range
covered by these leafs as a hole.
A test case for xfstests follows soon.
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
Instead of looking for a file extent item, process it, release the path
and do a btree search for the next file extent item, just process all
file extent items in a leaf without intermediate btree searches. This way
we save cpu and we're not blocking other tasks or affecting concurrency on
the btree, because send's paths use the commit root and skip btree node/leaf
locking.
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
We can only tolerate ENOENT here, for other errors, we should
return directly.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
There is a race condition between resolving indirect ref and root deletion,
and we should gurantee that root can not be destroyed to avoid accessing
broken tree here.
Here we fix it by holding @subvol_srcu, and we will release it as soon
as we have held root node lock.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
When we have two adjacent extents in relink_extent_backref,
we try to merge them. When we use btrfs_search_slot to locate the
slot for the current extent, we shouldn't set "ins_len = 1",
because we will merge it into the previous extent rather than
insert a new item. Otherwise, we may happen to create a new leaf
in btrfs_search_slot and path->slot[0] will be 0. Then we try to
fetch the previous item using "path->slots[0]--", and it will cause
a warning as follows:
[ 145.713385] WARNING: CPU: 3 PID: 1796 at fs/btrfs/extent_io.c:5043 map_private_extent_buffer+0xd4/0xe0
[ 145.713387] btrfs bad mapping eb start 5337088 len 4096, wanted 167772306 8
...
[ 145.713462] [<ffffffffa034b1f4>] map_private_extent_buffer+0xd4/0xe0
[ 145.713476] [<ffffffffa030097a>] ? btrfs_free_path+0x2a/0x40
[ 145.713485] [<ffffffffa0340864>] btrfs_get_token_64+0x64/0xf0
[ 145.713498] [<ffffffffa033472c>] relink_extent_backref+0x41c/0x820
[ 145.713508] [<ffffffffa0334d69>] btrfs_finish_ordered_io+0x239/0xa80
I encounter this warning when running defrag having mkfs.btrfs
with option -M. At the same time there are read/writes & snapshots
running at background.
Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
The send operation processes inodes by their ascending number, and assumes
that any rename/move operation can be successfully performed (sent to the
caller) once all previous inodes (those with a smaller inode number than the
one we're currently processing) were processed.
This is not true when an incremental send had to process an hierarchical change
between 2 snapshots where the parent-children relationship between directory
inodes was reversed - that is, parents became children and children became
parents. This situation made the path building code go into an infinite loop,
which kept allocating more and more memory that eventually lead to a krealloc
warning being displayed in dmesg:
WARNING: CPU: 1 PID: 5705 at mm/page_alloc.c:2477 __alloc_pages_nodemask+0x365/0xad0()
Modules linked in: btrfs raid6_pq xor pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) snd_hda_codec_hdmi snd_hda_codec_realtek joydev radeon snd_hda_intel snd_hda_codec snd_hwdep snd_seq_midi snd_pcm psmouse i915 snd_rawmidi serio_raw snd_seq_midi_event lpc_ich snd_seq snd_timer ttm snd_seq_device rfcomm drm_kms_helper parport_pc bnep bluetooth drm ppdev snd soundcore i2c_algo_bit snd_page_alloc binfmt_misc video lp parport r8169 mii hid_generic usbhid hid
CPU: 1 PID: 5705 Comm: btrfs Tainted: G O 3.13.0-rc7-fdm-btrfs-next-18+ #3
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Pro4, BIOS P1.50 09/04/2012
[ 5381.660441] 00000000000009ad ffff8806f6f2f4e8 ffffffff81777434 0000000000000007
[ 5381.660447] 0000000000000000 ffff8806f6f2f528 ffffffff8104a9ec ffff8807038f36f0
[ 5381.660452] 0000000000000000 0000000000000206 ffff8807038f2490 ffff8807038f36f0
[ 5381.660457] Call Trace:
[ 5381.660464] [<ffffffff81777434>] dump_stack+0x4e/0x68
[ 5381.660471] [<ffffffff8104a9ec>] warn_slowpath_common+0x8c/0xc0
[ 5381.660476] [<ffffffff8104aa3a>] warn_slowpath_null+0x1a/0x20
[ 5381.660480] [<ffffffff81144995>] __alloc_pages_nodemask+0x365/0xad0
[ 5381.660487] [<ffffffff8108313f>] ? local_clock+0x4f/0x60
[ 5381.660491] [<ffffffff811430e8>] ? free_one_page+0x98/0x440
[ 5381.660495] [<ffffffff8108313f>] ? local_clock+0x4f/0x60
[ 5381.660502] [<ffffffff8113fae4>] ? __get_free_pages+0x14/0x50
[ 5381.660508] [<ffffffff81095fb8>] ? trace_hardirqs_off_caller+0x28/0xd0
[ 5381.660515] [<ffffffff81183caf>] alloc_pages_current+0x10f/0x1f0
[ 5381.660520] [<ffffffff8113fae4>] ? __get_free_pages+0x14/0x50
[ 5381.660524] [<ffffffff8113fae4>] __get_free_pages+0x14/0x50
[ 5381.660530] [<ffffffff8115dace>] kmalloc_order_trace+0x3e/0x100
[ 5381.660536] [<ffffffff81191ea0>] __kmalloc_track_caller+0x220/0x230
[ 5381.660560] [<ffffffffa0729fdb>] ? fs_path_ensure_buf.part.12+0x6b/0x200 [btrfs]
[ 5381.660564] [<ffffffff8178085c>] ? retint_restore_args+0xe/0xe
[ 5381.660569] [<ffffffff811580ef>] krealloc+0x6f/0xb0
[ 5381.660586] [<ffffffffa0729fdb>] fs_path_ensure_buf.part.12+0x6b/0x200 [btrfs]
[ 5381.660601] [<ffffffffa072a208>] fs_path_prepare_for_add+0x98/0xb0 [btrfs]
[ 5381.660615] [<ffffffffa072a2bc>] fs_path_add_path+0x2c/0x60 [btrfs]
[ 5381.660628] [<ffffffffa072c55c>] get_cur_path+0x7c/0x1c0 [btrfs]
Even without this loop, the incremental send couldn't succeed, because it would attempt
to send a rename/move operation for the lower inode before the highest inode number was
renamed/move. This issue is easy to trigger with the following steps:
$ mkfs.btrfs -f /dev/sdb3
$ mount /dev/sdb3 /mnt/btrfs
$ mkdir -p /mnt/btrfs/a/b/c/d
$ mkdir /mnt/btrfs/a/b/c2
$ btrfs subvol snapshot -r /mnt/btrfs /mnt/btrfs/snap1
$ mv /mnt/btrfs/a/b/c/d /mnt/btrfs/a/b/c2/d2
$ mv /mnt/btrfs/a/b/c /mnt/btrfs/a/b/c2/d2/cc
$ btrfs subvol snapshot -r /mnt/btrfs /mnt/btrfs/snap2
$ btrfs send -p /mnt/btrfs/snap1 /mnt/btrfs/snap2 > /tmp/incremental.send
The structure of the filesystem when the first snapshot is taken is:
. (ino 256)
|-- a (ino 257)
|-- b (ino 258)
|-- c (ino 259)
| |-- d (ino 260)
|
|-- c2 (ino 261)
And its structure when the second snapshot is taken is:
. (ino 256)
|-- a (ino 257)
|-- b (ino 258)
|-- c2 (ino 261)
|-- d2 (ino 260)
|-- cc (ino 259)
Before the move/rename operation is performed for the inode 259, the
move/rename for inode 260 must be performed, since 259 is now a child
of 260.
A test case for xfstests, with a more complex scenario, will follow soon.
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
Currently struct fanotify_event_info has been destroyed immediately
after reporting its contents to userspace. However that is wrong for
permission events because those need to stay around until userspace
provides response which is filled back in fanotify_event_info. So change
to code to free permission events only after we have got the response
from userspace.
Reported-and-tested-by: Jiri Kosina <jkosina@suse.cz>
Reported-and-tested-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Jan Kara <jack@suse.cz>
The event returned from fsnotify_add_notify_event() cannot ever be used
safely as the event may be freed by the time the function returns (after
dropping notification_mutex). So change the prototype to just return
whether the event was added or merged into some existing event.
Reported-and-tested-by: Jiri Kosina <jkosina@suse.cz>
Reported-and-tested-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Jan Kara <jack@suse.cz>
We cannot use the event structure returned from
fsnotify_add_notify_event() because that event can be freed by the time
that function returns. Use the mask argument passed into the event
handler directly instead. This also fixes a possible problem when we
could unnecessarily wait for permission response for a normal fanotify
event which got merged with a permission event.
We also disallow merging of permission event with any other event so
that we know the permission event which we just created is the one on
which we should wait for permission response.
Reported-and-tested-by: Jiri Kosina <jkosina@suse.cz>
Reported-and-tested-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Jan Kara <jack@suse.cz>
The merge between 2b7f65b11d "mmp_pdma: Style neatening" and
8010dad55a "dma: add dma_get_any_slave_channel(), for use in of_xlate()"
caused a build error by leaving obsolete code in place:
mmp_pdma.c: In function 'mmp_pdma_dma_xlate':
mmp_pdma.c:909:31: error: 'candidate' undeclared
mmp_pdma.c:912:3: error: label 'retry' used but not defined
mmp_pdma.c:901:24: warning: unused variable 'c' [-Wunused-variable]
This removes the extraneous lines.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
* acpi-processor:
ACPI / scan: reduce log level of "ACPI: \_PR_.CPU4: failed to get CPU APIC ID"
ACPI / processor: Return specific error value when mapping lapic id
* acpi-hotplug:
ACPI / scan: Clear match_driver flag in acpi_bus_trim()
* acpi-init:
ACPI / init: Flag use of ACPI and ACPI idioms for power supplies to regulator API
* acpi-pm:
ACPI / PM: Use ACPI_COMPANION() to get ACPI companions of devices
* acpica:
ACPICA: Remove bool usage from ACPICA.
Drivers should not bind to struct acpi_device objects that
acpi_bus_trim() has been called for, so make that function
clear flags.match_driver for those objects.
If that is not done, an ACPI driver may theoretically try to operate
a device that is not physically present.
Fixes: 202317a573 (ACPI / scan: Add acpi_device objects for all device nodes in the namespace)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
commit 949efd1c "qeth: bridgeport support - basic control" broke
s390 allmodconfig. This patch fixes this by eliminating one of the
cross-module calls, and by making two other calls via function
pointers in the qeth_discipline structure.
Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit 1d3ee88ae0
(bonding: add netlink attributes to slave link dev)
has add rtmsg_ifinfo() in bond_set_active_slave() and
bond_set_backup_slave(), so the two function need to
called in RTNL lock, but bond_loadbalance_arp_mon()
only calling these functions in RCU, warning message
will occurs.
fix this by add a new function bond_slave_state_change(),
which will reset the slave's state after slave link check,
so remove the bond_set_xxx_slave() from the cycle and only
record the slave_state_changed, this will call the new
function to set all slaves to new state in RTNL later.
Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A file descriptor opened for /dev/net/tun and a tun device are
connected with ioctl. Though understanding the connection is
important for trouble shooting, no way is given to a user to know
the connected device for a given file descriptor at userland.
This patch adds a new fdinfo field for the device name connected to
a file descriptor opened for /dev/net/tun.
Here is an example of the field:
# lsof | grep tun
qemu-syst 4565 qemu 25u CHR 10,200 0t138 12921 /dev/net/tun
...
# cat /proc/4565/fdinfo/25
pos: 138
flags: 0104002
iff: vnet0
# ip link show dev vnet0
8: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 ...
changelog:
v2: indent iff just like the other fdinfo fields are.
v3: remove unused variable.
Both are suggested by David Miller <davem@davemloft.net>.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
