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Currently we have a few issues with the way the workqueue code is used to
implement AIL pushing:
- it accidentally uses the same workqueue as the syncer action, and thus
can be prevented from running if there are enough sync actions active
in the system.
- it doesn't use the HIGHPRI flag to queue at the head of the queue of
work items
At this point I'm not confident enough in getting all the workqueue flags and
tweaks right to provide a perfectly reliable execution context for AIL
pushing, which is the most important piece in XFS to make forward progress
when the log fills.
Revert back to use a kthread per filesystem which fixes all the above issues
at the cost of having a task struct and stack around for each mounted
filesystem. In addition this also gives us much better ways to diagnose
any issues involving hung AIL pushing and removes a small amount of code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Stefan Priebe <s.priebe@profihost.ag>
Tested-by: Stefan Priebe <s.priebe@profihost.ag>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
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We need to check for pinned buffers even in .iop_pushbuf given that inode
items flush into the same buffers that may be pinned directly due operations
on the unlinked inode list operating directly on buffers. To do this add a
return value to .iop_pushbuf that tells the AIL push about this and use
the existing log force mechanisms to unpin it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Stefan Priebe <s.priebe@profihost.ag>
Tested-by: Stefan Priebe <s.priebe@profihost.ag>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
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If an item was locked we should not update xa_last_pushed_lsn and thus skip
it when restarting the AIL scan as we need to be able to lock and write it
out as soon as possible. Otherwise heavy lock contention might starve AIL
pushing too easily, especially given the larger backoff once we moved
xa_last_pushed_lsn all the way to the target lsn.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Stefan Priebe <s.priebe@profihost.ag>
Tested-by: Stefan Priebe <s.priebe@profihost.ag>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
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The btrfs file defrag code will loop through the extents and
force COW on them. But there is a concurrent truncate in the middle of
the defrag, it might end up defragging the same range over and over
again.
The problem is that writepage won't go through and do anything on pages
past i_size, so the cow won't happen, so the file will appear to still
be fragmented. defrag will end up hitting the same extents again and
again.
In the worst case, the truncate can actually live lock with the defrag
because the defrag keeps creating new ordered extents which the truncate
code keeps waiting on.
The fix here is to make defrag check for i_size inside the main loop,
instead of just once before the looping starts.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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This patch fixes file references to moved or deleted files
outside of Documentation/.
Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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I'd rather put more of these sorts of checks into standardized xdr
decoders for the various types rather than have them cluttering up the
core logic in nfs4proc.c and nfs4state.c.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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This UML breakage:
linux-2.6.30.1[3800] vsyscall fault (exploit attempt?) ip:ffffffffff600000 cs:33 sp:7fbfb9c498 ax:ffffffffff600000 si:0 di:606790
linux-2.6.30.1[3856] vsyscall fault (exploit attempt?) ip:ffffffffff600000 cs:33 sp:7fbfb13168 ax:ffffffffff600000 si:0 di:606790
Is caused by commit 3ae36655 ("x86-64: Rework vsyscall emulation and add
vsyscall= parameter") - the vsyscall emulation code is not fully cooked
yet as UML relies on some rather fragile SIGSEGV semantics.
Linus suggested in https://lkml.org/lkml/2011/8/9/376 to default
to vsyscall=native for now, this patch implements that.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Andrew Lutomirski <luto@mit.edu>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/20111005214047.GE14406@localhost.pp.htv.fi
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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It was pointed out by 'make versioncheck' that some includes of
linux/version.h are not needed in drivers/target/.
This patch removes them.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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The Kirkwood gave an unaligned memory access error on
line 742 of drivers/usb/host/echi-hcd.c:
"ehci->last_periodic_enable = ktime_get_real();"
Signed-off-by: Harro Haan <hrhaan@gmail.com>
Cc: stable <stable@kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We don't use WANT bits yet--and sending them can probably trigger a
BUG() further down.
Cc: stable@kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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sunrpc implements the rpc_pipefs filesystem type.
Add the alias to have the module requested automatically by the kernel
when the filesystem is mounted.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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These comments are mostly out of date.
Reported-by: Bryan Schumaker <bjschuma@netapp.com>
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In response to some review comments, get rid of the somewhat obscure
for-loop with bitops, and improve a comment.
Reported-by: Steve Dickson <steved@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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In commit 5ec094c1096ab3bb795651855d53f18daa26afde "nfsd4: extend state
lock over seqid replay logic" I modified the exit logic of all the
seqid-based procedures except nfsd4_locku(). Fix the oversight.
The result of the bug was a double-unlock while handling the LOCKU
procedure, and a warning like:
[ 142.150014] WARNING: at kernel/mutex-debug.c:78 debug_mutex_unlock+0xda/0xe0()
...
[ 142.152927] Pid: 742, comm: nfsd Not tainted 3.1.0-rc1-SLIM+ #9
[ 142.152927] Call Trace:
[ 142.152927] [<ffffffff8105fa4f>] warn_slowpath_common+0x7f/0xc0
[ 142.152927] [<ffffffff8105faaa>] warn_slowpath_null+0x1a/0x20
[ 142.152927] [<ffffffff810960ca>] debug_mutex_unlock+0xda/0xe0
[ 142.152927] [<ffffffff813e4200>] __mutex_unlock_slowpath+0x80/0x140
[ 142.152927] [<ffffffff813e42ce>] mutex_unlock+0xe/0x10
[ 142.152927] [<ffffffffa03bd3f5>] nfs4_lock_state+0x35/0x40 [nfsd]
[ 142.152927] [<ffffffffa03b0b71>] nfsd4_proc_compound+0x2a1/0x690
[nfsd]
[ 142.152927] [<ffffffffa039f9fb>] nfsd_dispatch+0xeb/0x230 [nfsd]
[ 142.152927] [<ffffffffa02b1055>] svc_process_common+0x345/0x690
[sunrpc]
[ 142.152927] [<ffffffff81058d10>] ? try_to_wake_up+0x280/0x280
[ 142.152927] [<ffffffffa02b16e2>] svc_process+0x102/0x150 [sunrpc]
[ 142.152927] [<ffffffffa039f0bd>] nfsd+0xbd/0x160 [nfsd]
[ 142.152927] [<ffffffffa039f000>] ? 0xffffffffa039efff
[ 142.152927] [<ffffffff8108230c>] kthread+0x8c/0xa0
[ 142.152927] [<ffffffff813e8694>] kernel_thread_helper+0x4/0x10
[ 142.152927] [<ffffffff81082280>] ? kthread_worker_fn+0x190/0x190
[ 142.152927] [<ffffffff813e8690>] ? gs_change+0x13/0x13
Reported-by: Bryan Schumaker <bjschuma@netapp.com>
Tested-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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There are a lot of file references to now moved or deleted files in the
whole tree, especially in documentation and Kconfig files. This patch
fixes the references in drivers/ide/.
Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Support for device power domains has been introduced in
commit 9659cc0678b954f187290c6e8b247a673c5d37e1 (PM: Make
system-wide PM and runtime PM treat subsystems consistently),
also power domain callbacks will take precedence over subsystem ones
from commit 4d27e9dcff00a6425d779b065ec8892e4f391661(PM: Make
power domain callbacks take precedence over subsystem ones).
So update part of "Device Runtime PM Callbacks" in
Documentation/power/runtime_pm.txt.
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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When unbinding a device so that I could pass it through to a KVM VM, I
got the lockdep report below. It looks like a legitimate lock
ordering problem:
- domain_context_mapping_one() takes iommu->lock and calls
iommu_support_dev_iotlb(), which takes device_domain_lock (inside
iommu->lock).
- domain_remove_one_dev_info() starts by taking device_domain_lock
then takes iommu->lock inside it (near the end of the function).
So this is the classic AB-BA deadlock. It looks like a safe fix is to
simply release device_domain_lock a bit earlier, since as far as I can
tell, it doesn't protect any of the stuff accessed at the end of
domain_remove_one_dev_info() anyway.
BTW, the use of device_domain_lock looks a bit unsafe to me... it's
at least not obvious to me why we aren't vulnerable to the race below:
iommu_support_dev_iotlb()
domain_remove_dev_info()
lock device_domain_lock
find info
unlock device_domain_lock
lock device_domain_lock
find same info
unlock device_domain_lock
free_devinfo_mem(info)
do stuff with info after it's free
However I don't understand the locking here well enough to know if
this is a real problem, let alone what the best fix is.
Anyway here's the full lockdep output that prompted all of this:
=======================================================
[ INFO: possible circular locking dependency detected ]
2.6.39.1+ #1
-------------------------------------------------------
bash/13954 is trying to acquire lock:
(&(&iommu->lock)->rlock){......}, at: [<ffffffff812f6421>] domain_remove_one_dev_info+0x121/0x230
but task is already holding lock:
(device_domain_lock){-.-...}, at: [<ffffffff812f6508>] domain_remove_one_dev_info+0x208/0x230
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (device_domain_lock){-.-...}:
[<ffffffff8109ca9d>] lock_acquire+0x9d/0x130
[<ffffffff81571475>] _raw_spin_lock_irqsave+0x55/0xa0
[<ffffffff812f8350>] domain_context_mapping_one+0x600/0x750
[<ffffffff812f84df>] domain_context_mapping+0x3f/0x120
[<ffffffff812f9175>] iommu_prepare_identity_map+0x1c5/0x1e0
[<ffffffff81ccf1ca>] intel_iommu_init+0x88e/0xb5e
[<ffffffff81cab204>] pci_iommu_init+0x16/0x41
[<ffffffff81002165>] do_one_initcall+0x45/0x190
[<ffffffff81ca3d3f>] kernel_init+0xe3/0x168
[<ffffffff8157ac24>] kernel_thread_helper+0x4/0x10
-> #0 (&(&iommu->lock)->rlock){......}:
[<ffffffff8109bf3e>] __lock_acquire+0x195e/0x1e10
[<ffffffff8109ca9d>] lock_acquire+0x9d/0x130
[<ffffffff81571475>] _raw_spin_lock_irqsave+0x55/0xa0
[<ffffffff812f6421>] domain_remove_one_dev_info+0x121/0x230
[<ffffffff812f8b42>] device_notifier+0x72/0x90
[<ffffffff8157555c>] notifier_call_chain+0x8c/0xc0
[<ffffffff81089768>] __blocking_notifier_call_chain+0x78/0xb0
[<ffffffff810897b6>] blocking_notifier_call_chain+0x16/0x20
[<ffffffff81373a5c>] __device_release_driver+0xbc/0xe0
[<ffffffff81373ccf>] device_release_driver+0x2f/0x50
[<ffffffff81372ee3>] driver_unbind+0xa3/0xc0
[<ffffffff813724ac>] drv_attr_store+0x2c/0x30
[<ffffffff811e4506>] sysfs_write_file+0xe6/0x170
[<ffffffff8117569e>] vfs_write+0xce/0x190
[<ffffffff811759e4>] sys_write+0x54/0xa0
[<ffffffff81579a82>] system_call_fastpath+0x16/0x1b
other info that might help us debug this:
6 locks held by bash/13954:
#0: (&buffer->mutex){+.+.+.}, at: [<ffffffff811e4464>] sysfs_write_file+0x44/0x170
#1: (s_active#3){++++.+}, at: [<ffffffff811e44ed>] sysfs_write_file+0xcd/0x170
#2: (&__lockdep_no_validate__){+.+.+.}, at: [<ffffffff81372edb>] driver_unbind+0x9b/0xc0
#3: (&__lockdep_no_validate__){+.+.+.}, at: [<ffffffff81373cc7>] device_release_driver+0x27/0x50
#4: (&(&priv->bus_notifier)->rwsem){.+.+.+}, at: [<ffffffff8108974f>] __blocking_notifier_call_chain+0x5f/0xb0
#5: (device_domain_lock){-.-...}, at: [<ffffffff812f6508>] domain_remove_one_dev_info+0x208/0x230
stack backtrace:
Pid: 13954, comm: bash Not tainted 2.6.39.1+ #1
Call Trace:
[<ffffffff810993a7>] print_circular_bug+0xf7/0x100
[<ffffffff8109bf3e>] __lock_acquire+0x195e/0x1e10
[<ffffffff810972bd>] ? trace_hardirqs_off+0xd/0x10
[<ffffffff8109d57d>] ? trace_hardirqs_on_caller+0x13d/0x180
[<ffffffff8109ca9d>] lock_acquire+0x9d/0x130
[<ffffffff812f6421>] ? domain_remove_one_dev_info+0x121/0x230
[<ffffffff81571475>] _raw_spin_lock_irqsave+0x55/0xa0
[<ffffffff812f6421>] ? domain_remove_one_dev_info+0x121/0x230
[<ffffffff810972bd>] ? trace_hardirqs_off+0xd/0x10
[<ffffffff812f6421>] domain_remove_one_dev_info+0x121/0x230
[<ffffffff812f8b42>] device_notifier+0x72/0x90
[<ffffffff8157555c>] notifier_call_chain+0x8c/0xc0
[<ffffffff81089768>] __blocking_notifier_call_chain+0x78/0xb0
[<ffffffff810897b6>] blocking_notifier_call_chain+0x16/0x20
[<ffffffff81373a5c>] __device_release_driver+0xbc/0xe0
[<ffffffff81373ccf>] device_release_driver+0x2f/0x50
[<ffffffff81372ee3>] driver_unbind+0xa3/0xc0
[<ffffffff813724ac>] drv_attr_store+0x2c/0x30
[<ffffffff811e4506>] sysfs_write_file+0xe6/0x170
[<ffffffff8117569e>] vfs_write+0xce/0x190
[<ffffffff811759e4>] sys_write+0x54/0xa0
[<ffffffff81579a82>] system_call_fastpath+0x16/0x1b
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Follow those steps:
# mount -o autodefrag /dev/sda7 /mnt
# dd if=/dev/urandom of=/mnt/tmp bs=200K count=1
# sync
# dd if=/dev/urandom of=/mnt/tmp bs=8K count=1 conv=notrunc
and then it'll go into a loop: writeback -> defrag -> writeback ...
It's because writeback writes [8K, 200K] and then writes [0, 8K].
I tried to make writeback know if the pages are dirtied by defrag,
but the patch was a bit intrusive. Here I simply set writeback_index
when we defrag a file.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Breno Leitao <leitao@linux.vnet.ibm.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to the 16 bit access to mscan registers there's too much data copied to
the zero initialized CAN frame when having an odd number of bytes to copy.
This patch ensures that only the requested bytes are copied by using an
8 bit access for the remaining byte.
Reported-by: Andre Naujoks <nautsch@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ipv6_gro_receive() doesn't update the protocol ops after pulling
the ext headers. It looks like a typo.
Signed-off-by: Zheng Yan <zheng.z.yan@intel.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are some consolidations of NPAR configuration
when FCoE and iSCSI L2 clients will get the same id,
in this case FCoE ring will be non-functional.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The doorbell register was being unconditionally swapped. In x86, that
meant it was being swapped to BE and written to the descriptor and to
memory, depending on the case of blue frame support or writing to
doorbell register. On PPC, this meant it was being swapped to LE and
then swapped back to BE while writing to the register. But in the blue
frame case, it was being written as LE to the descriptor.
The fix is not to swap doorbell unconditionally, write it to the
register as BE and convert it to BE when writing it to the descriptor.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Reported-by: Richard Hendrickson <richhend@us.ibm.com>
Cc: Eli Cohen <eli@dev.mellanox.co.il>
Cc: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If skb is NULL, then stack trace is thrown anyway on dereference.
Therefore, the stack trace triggered by BUG_ON is duplicate.
Signed-off-by: Daniel Borkmann <danborkmann@googlemail.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We only really need the defaults in order to cut down the number of
registers we sync and to satisfy reads while the device is powered off
but not all devices are going to need to do that (always on devices like
PMICs being the prime example) so don't require those devices to supply
a default. Instead only try to fall back to hardware defaults if the
driver told us to.
Devices using LZO won't be able to instantiate with this, that will require
some updates in the LZO code to handle this case.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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Simplify the check for registers set at their default value by avoiding
picking a default value in the case where we don't have one. Instead we
only compare the current value to the current value when we looked one
up. This fixes the case where we don't have a default stored but the value
was set to zero when that isn't the chip default.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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Ensure that when we start up in cache only mode we can store defaults of
zero, otherwise if the hardware is unavailable we won't be able to read.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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As with the bulk reads we really should be able to make these play
nicely with the cache but warn for now.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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If a register isn't cached then let callers know that so they can fall
back or error handle appropriately.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Joe reported to me that right after a bring up of a r6040 interface
the ethtool output had no consistent output with respect to link duplex
and speed. Fix this by adding a missing phy_start call in r6040_up and
conversely a phy_stop call in r6040_down to properly initialize phy states.
Reported-by: Joe Chou <Joe.Chou@rdc.com.tw>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Query port will now identify a 40G Ethernet speed.
Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Netdevice was being freed without being unregistered first if
mlx4_SET_PORT_general or mlx4_INIT_PORT failed.
Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Number of bits taken from mac table index in QP
calculation should be based on log_num_mac parameter.
Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixed a memory leak caused by missing iounmap when device
is being released.
Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
Signed-off-by: Sharon Cohen <sharonc@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moderation is now done per ring and coalescing is enabled
by set_ring_param in ethtool.
Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixed a bug where ring size change caused insufficient memory
upon driver restart due to unreleased EQs.
Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Until now only RX rings used irq per ring
and TX used only one per port.
>From now on, both of them will use the
irq per ring while RX & TX ring[i] will
use the same irq.
Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
Signed-off-by: Sharon Cohen <sharonc@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.samba.org/sfrench/cifs-2.6:
[CIFS] Fix first time message on mount, ntlmv2 upgrade delayed to 3.2
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* 'fixes' of git://git.linaro.org/people/arnd/arm-soc:
ARM: mach-ux500: enable fix for ARM errata 754322
ARM: OMAP: musb: Remove a redundant omap4430_phy_init call in usb_musb_init
ARM: OMAP: Fix i2c init for twl4030
ARM: OMAP4: MMC: fix power and audio issue, decouple USBC1 from MMC1
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This fixes a compilation error in cpu-tegra.c which was introduced in
dc8d966bccde ("ARM: convert PCI defines to variables") which removed the
now obsolete mach/hardware.h from the mach-tegra subtree.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/kms: use hardcoded dig encoder to transmitter mapping for DCE4.1
drm/radeon/kms: fix dp_detect handling for DP bridge chips
drm/radeon/kms: retry aux transactions if there are status flags
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A couple of changes to the Tegra maintainership setup:
I'm very glad to bring on Stephen Warren on board as a maintainer. The
work he has done so far is excellent, and the fact that he works for
Nvidia means he has long-term interest in the platform.
Erik Gilling did an astounding amount of work on getting things up and
running but has been a silent partner on the maintainership side for a
while, and is stepping down. Thanks for your contributions so far, Erik.
Finally, update the git URL since I'll take over running the main repo
for a while.
Overall maintainership model isn't changing much at this time: We'll all
three review patches as appropriate, and one of us will collect the main
repo (me at this time).
Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Erik Gilling <konkers@android.com>
Acked-by: Colin Cross <ccross@android.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (29 commits)
MIPS: Call oops_enter, oops_exit in die
staging/octeon: Software should check the checksum of no tcp/udp packets
MIPS: Octeon: Enable C0_UserLocal probing.
MIPS: No branches in delay slots for huge pages in handle_tlbl
MIPS: Don't clobber CP0_STATUS value for CONFIG_MIPS_MT_SMTC
MIPS: Octeon: Select CONFIG_HOLES_IN_ZONE
MIPS: PM: Use struct syscore_ops instead of sysdevs for PM (v2)
MIPS: Compat: Use 32-bit wrapper for compat_sys_futex.
MIPS: Do not use EXTRA_CFLAGS
MIPS: Alchemy: DB1200: Disable cascade IRQ in handler
SERIAL: Lantiq: Set timeout in uart_port
MIPS: Lantiq: Fix setting the PCI bus speed on AR9
MIPS: Lantiq: Fix external interrupt sources
MIPS: tlbex: Fix build error in R3000 code.
MIPS: Alchemy: Include Au1100 in PM code.
MIPS: Alchemy: Fix typo in MAC0 registration
MIPS: MSP71xx: Fix build error.
MIPS: Handle __put_user() sleeping.
MIPS: Allow forced irq threading
MIPS: i8259: Mark cascade interrupt non-threaded
...
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Rather than open coding a binary search use the standard bsearch() using
the comparison function we're already using for sort() on insert. This
fixes a lockup I was observing due to iterating on min <= max rather
than min < max when we fail to look up.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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We shouldn't change the event flags of input devices after they get registered.
Otherwise, udev will not get notified of these flags and cannot setup the
devices properly.
This fixes the probing to set the input event flags on the input_mapped callback
instead of the probe function.
Reported-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Tested-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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