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OMAP_REMOTEPROC selects REMOTEPROC and RPMSG, both of which depend
on EXPERIMENTAL, so let's have OMAP_REMOTEPROC depend on EXPERIMENTAL
too, in order to avoid the below randconfig warnings.
warning: (OMAP_REMOTEPROC) selects REMOTEPROC which has unmet direct dependencies (EXPERIMENTAL)
warning: (OMAP_REMOTEPROC) selects RPMSG which has unmet direct dependencies (EXPERIMENTAL)
Cc: stable <stable@vger.kernel.org>
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
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The SCC clock is needed in internal boot mode and so must keep enabled.
This same issue was fixed for the pre-common-clk code in commit
3d6e614 (mx35: Fix boot ROM hang in internal boot mode)
Cc: John Ogness <jogness@linutronix.de>
Cc: Hans J. Koch <hjk@hansjkoch.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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'omap-devel-am33xx-for-v3.6' into devel-am33xx-part2
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'status' variable in ocfs2_global_read_info() is always != 0 when leaving the
function because it happens to contain number of read bytes. Thus we always log
error message although everything is OK. Since all error cases properly call
mlog_errno() before jumping to out_err, there's no reason to call mlog_errno()
on exit at all. This is a fallout of c1e8d35e (conversion of mlog_exit()
calls).
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
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ocfs2_get_clusters_nocache() or ocfs2_inode_lock() call failed.
Hello,
Since ENXIO only means "offset beyond EOF" for SEEK_DATA/SEEK_HOLE,
Hence we should return the internal error unchanged if ocfs2_inode_lock() or
ocfs2_get_clusters_nocache() call failed rather than ENXIO.
Otherwise, it will confuse the user applications when they trying to understand the root cause.
Thanks Dave for pointing this out.
Thanks,
-Jeff
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
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When ocfs2dc thread holds dc_task_lock spinlock and receives soft IRQ it
deadlock itself trying to get same spinlock in ocfs2_wake_downconvert_thread.
Below is the stack snippet.
The patch disables interrupts when acquiring dc_task_lock spinlock.
ocfs2_wake_downconvert_thread
ocfs2_rw_unlock
ocfs2_dio_end_io
dio_complete
.....
bio_endio
req_bio_endio
....
scsi_io_completion
blk_done_softirq
__do_softirq
do_softirq
irq_exit
do_IRQ
ocfs2_downconvert_thread
[kthread]
Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
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Fix misplaced parentheses
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
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The unaligned io flag is set in the kiocb when an unaligned
dio is issued, it should be cleared even when the dio fails,
or it may affect the following io which are using the same
kiocb.
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Joel Becker <jlbec@evilplan.org>
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The if branch is completely unnecessary since 'realloc' can handle
NULL pointers for the first parameter.
This patch is just an adoption of Ulrich Drepper's recent patch on
perf tools.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ulrich Drepper <drepper@gmail.com>
Link: http://lkml.kernel.org/r/1335230984-7613-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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In the current code we assign vsize=8 and then fall through to the
default and assign vsize=1. -> probably the break is missing here,
otherwise we can remove the case.
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-3fxjy46h2tr9pl0spv7tems6@git.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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The arg_to_str() can fail so we should handle that case properly.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1335157118-14658-12-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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The malloc can fail so the return value should be checked. For now,
just use malloc_or_die().
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1335157118-14658-10-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Update and add missing argument descriptions and fix some typo on
function comments.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1335157118-14658-9-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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When memory allocation for the field name is failed, do not goto
event_failed since we added the event already.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1335157118-14658-8-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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It seems PEVENT_FUNC_ARG_STRING missed passing the allocated string to
the args array. Fix it.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1335157118-14658-7-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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The realloc can fail so that we should handle it properly.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1333940074-19052-7-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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There were some places didn't check return value of the strdup and had
unneeded/duplicated checks. Fix it.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1333940074-19052-5-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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The __read_token() function has some duplicated code to handle
internal buffer overflow. Factor them out to new extend_token().
According to the man pages of realloc/free(3), they can handle NULL
pointer input so that it can be ended up to compact the code. Also
handle error path correctly.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1333940074-19052-4-git-send-email-namhyung.kim@lge.com
[rostedt@goodmis.org: added some extra whitespace]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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The printk_cmp function should use printk_map instead of func_map.
Also rename the variables for consistency.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1333940074-19052-3-git-send-email-namhyung.kim@lge.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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On 32 bit systems, a conversion of the trace_printk format string
"%lu" -> "%llu" is intended (similar for %lx etc.) when a trace was
taken on a machine with 64 bit long integers. However, the current
code computes the bogus transformation "%lu" -> "%u". Fix this.
Besides that, the transformation is only required on systems that don't
use 64 bits for long integers natively.
Signed-off-by: Wolfgang Mauerer <wolfgang.mauerer@siemens.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1332411501-8059-3-git-send-email-wolfgang.mauerer@siemens.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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When %pM is used, the arg value must be a 6 byte character that will
be printed as a 6 byte MAC address. But the code does a break over the
main code which updates the current processing arg to point to the
next arg. If there are other print arguments after a %pM, they will be
off by one. The next arg will still be processing the %pM arg.
Reported-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-q3g0n1espikynsdkpbi6ue6t@git.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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The RT kernel added a migrate disable counter in all events. Add
support to show this in the latency format.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-l6ulxyda952g7kua4pfsh73k@git.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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The arg notation of '*' in bprintks is not handled by the parser.
Implement it so that they show up properly in the output and do not
kill the tracer from reporting events.
Reported-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-t0ctq7t1xz3ud6wv4v886jou@git.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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As a pointer can be converted into a function name, let the filters
work with the function name as well as with the pointer number. If
the comparison expects a string, then convert numbers into functions,
but only when the number is the same size as a long.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-oxsa1qkr2eq7u8d7r0aapedu@git.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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commit bc8966 (ARM: fiq: change FIQ_START to a variable) introduced the
following build error for imx_v4_v5_defconfig:
arch/arm/plat-mxc/avic.c:220:11: error: 'FIQ_START' undeclared (first use in this function)
Include the missing header file to fix it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Pull fix to common clk framework from Michael Turquette:
"The previous set of common clk fixes for -rc5 left an uninitialized
int which could lead to bad array indexing when switching clock
parents. The issue is fixed with a trivial change to the code flow in
__clk_set_parent."
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux:
clk: fix parent validation in __clk_set_parent()
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Pull raid10 build failure fix from NeilBrown:
"I really shouldn't do important things late in the day. It seems that
I get careless."
* tag 'md-3.5-fixes' of git://neil.brown.name/md:
md/raid10: fix careless build error
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Pull networking update from David Miller:
1) Fix RX sequence number handling in mwifiex, from Stone Piao.
2) Netfilter ipset mis-compares device names, fix from Florian
Westphal.
3) Fix route leak in ipv6 IPVS, from Eric Dumazet.
4) NFS fixes. Several buffer overflows in NCI layer from Dan
Rosenberg, and release sock OOPS'er fix from Eric Dumazet.
5) Fix WEP handling ath9k, we started using a bit the chip provides to
indicate undecrypted packets but that bit turns out to be unreliable
in certain configurations. Fix from Felix Fietkau.
6) Fix Kconfig dependency bug in wlcore, from Randy Dunlap.
7) New USB IDs for rtlwifi driver from Larry Finger.
8) Fix crashes in qmi_wwan usbnet driver when disconnecting, from Bjørn
Mork.
9) Gianfar driver programs coalescing settings properly in single queue
mode, but does not do so in multi-queue mode. Fix from Claudiu
Manoil.
10) Missing module.h include in davinci_cpdma.c, from Daniel Mack.
11) Need dummy handler for IPSET_CMD_NONE otherwise we crash in ipset if
we get this via nfnetlink, fix from Tomasz Bursztyka.
12) Missing RCU unlock in nfnetlink error path, also from Tomasz.
13) Fix divide by zero in igbvf when the user tries to set an RX
coalescing value of 0 usecs, from Mitch A Williams.
14) We can process SCTP sacks for the wrong transport, oops. Fix from
Neil Horman.
15) Remove hw IP payload checksumming from e1000e driver. This has zery
value in our stack, and turning it on creates a very unintuitive
restriction for users when using jumbo MTUs.
Specifically, when IP payload checksums are on you cannot use both
receive hashing offload and jumbo MTU. Fix from Bruce Allan.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits)
e1000e: remove use of IP payload checksum
sctp: be more restrictive in transport selection on bundled sacks
igbvf: fix divide by zero
netfilter: nfnetlink: fix missing rcu_read_unlock in nfnetlink_rcv_msg
netfilter: ipset: fix crash if IPSET_CMD_NONE command is sent
davinci_cpdma: include linux/module.h
gianfar: Fix RXICr/TXICr programming for multi-queue mode
net: Downgrade CAP_SYS_MODULE deprecated message from error to warning.
net: qmi_wwan: fix Oops while disconnecting
mwifiex: fix memory leak associated with IE manamgement
ath9k: fix panic caused by returning a descriptor we have queued for reuse
mac80211: correct behaviour on unrecognised action frames
ath9k: enable serialize_regmode for non-PCIE AR9287
rtlwifi: rtl8192cu: New USB IDs
NFC: Return from rawsock_release when sk is NULL
iwlwifi: fix activating inactive stations
wlcore: drop INET dependency
ath9k: fix dynamic WEP related regression
NFC: Prevent multiple buffer overflows in NCI
netfilter: update location of my trees
...
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build error introduced by commit b357f04a67c2aeee8
That function doesn't get extra args until a later patch. Bother.
Reported-by: Fengguang Wu <wfg@linux.intel.com>
Reported-by: Simon Kirby <sim@hostway.ca>
Reported-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Signed-off-by: NeilBrown <neilb@suse.de>
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Don't grab the daemon mutex while holding the message context mutex.
Addresses this lockdep warning:
ecryptfsd/2141 is trying to acquire lock:
(&ecryptfs_msg_ctx_arr[i].mux){+.+.+.}, at: [<ffffffffa029c213>] ecryptfs_miscdev_read+0x143/0x470 [ecryptfs]
but task is already holding lock:
(&(*daemon)->mux){+.+...}, at: [<ffffffffa029c2ec>] ecryptfs_miscdev_read+0x21c/0x470 [ecryptfs]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&(*daemon)->mux){+.+...}:
[<ffffffff810a3b8d>] lock_acquire+0x9d/0x220
[<ffffffff8151c6da>] __mutex_lock_common+0x5a/0x4b0
[<ffffffff8151cc64>] mutex_lock_nested+0x44/0x50
[<ffffffffa029c5d7>] ecryptfs_send_miscdev+0x97/0x120 [ecryptfs]
[<ffffffffa029b744>] ecryptfs_send_message+0x134/0x1e0 [ecryptfs]
[<ffffffffa029a24e>] ecryptfs_generate_key_packet_set+0x2fe/0xa80 [ecryptfs]
[<ffffffffa02960f8>] ecryptfs_write_metadata+0x108/0x250 [ecryptfs]
[<ffffffffa0290f80>] ecryptfs_create+0x130/0x250 [ecryptfs]
[<ffffffff811963a4>] vfs_create+0xb4/0x120
[<ffffffff81197865>] do_last+0x8c5/0xa10
[<ffffffff811998f9>] path_openat+0xd9/0x460
[<ffffffff81199da2>] do_filp_open+0x42/0xa0
[<ffffffff81187998>] do_sys_open+0xf8/0x1d0
[<ffffffff81187a91>] sys_open+0x21/0x30
[<ffffffff81527d69>] system_call_fastpath+0x16/0x1b
-> #0 (&ecryptfs_msg_ctx_arr[i].mux){+.+.+.}:
[<ffffffff810a3418>] __lock_acquire+0x1bf8/0x1c50
[<ffffffff810a3b8d>] lock_acquire+0x9d/0x220
[<ffffffff8151c6da>] __mutex_lock_common+0x5a/0x4b0
[<ffffffff8151cc64>] mutex_lock_nested+0x44/0x50
[<ffffffffa029c213>] ecryptfs_miscdev_read+0x143/0x470 [ecryptfs]
[<ffffffff811887d3>] vfs_read+0xb3/0x180
[<ffffffff811888ed>] sys_read+0x4d/0x90
[<ffffffff81527d69>] system_call_fastpath+0x16/0x1b
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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If the first attempt at opening the lower file read/write fails,
eCryptfs will retry using a privileged kthread. However, the privileged
retry should not happen if the lower file's inode is read-only because a
read/write open will still be unsuccessful.
The check for determining if the open should be retried was intended to
be based on the access mode of the lower file's open flags being
O_RDONLY, but the check was incorrectly performed. This would cause the
open to be retried by the privileged kthread, resulting in a second
failed open of the lower file. This patch corrects the check to
determine if the open request should be handled by the privileged
kthread.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
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In commit 070ad7e793dc ("floppy: convert to delayed work and
single-thread wq") the 'fd_timeout' timer was converted to a delayed
work. However, the "del_timer(&fd_timeout)" was lost in the process,
and any previous pending timeouts would stay active when we then
re-queued the timeout.
This resulted in the floppy probe sequence having a (stale) 20s timeout
rather than the intended 3s timeout, and thus made booting with the
floppy driver (but no actual floppy controller) take much longer than it
should.
Of course, there's little reason for most people to compile the floppy
driver into the kernel at all, which is why most people never noticed.
Canceling the delayed work where we used to do the del_timer() fixes the
issue, and makes the floppy probing use the proper new timeout instead.
The three second timeout is still very wasteful, but better than the 20s
one.
Reported-and-tested-by: Andi Kleen <ak@linux.intel.com>
Reported-and-tested-by: Calvin Walton <calvin.walton@kepstin.ca>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull block bits from Jens Axboe:
"As vacation is coming up, thought I'd better get rid of my pending
changes in my for-linus branch for this iteration. It contains:
- Two patches for mtip32xx. Killing a non-compliant sysfs interface
and moving it to debugfs, where it belongs.
- A few patches from Asias. Two legit bug fixes, and one killing an
interface that is no longer in use.
- A patch from Jan, making the annoying partition ioctl warning a bit
less annoying, by restricting it to !CAP_SYS_RAWIO only.
- Three bug fixes for drbd from Lars Ellenberg.
- A fix for an old regression for umem, it hasn't really worked since
the plugging scheme was changed in 3.0.
- A few fixes from Tejun.
- A splice fix from Eric Dumazet, fixing an issue with pipe
resizing."
* 'for-linus' of git://git.kernel.dk/linux-block:
scsi: Silence unnecessary warnings about ioctl to partition
block: Drop dead function blk_abort_queue()
block: Mitigate lock unbalance caused by lock switching
block: Avoid missed wakeup in request waitqueue
umem: fix up unplugging
splice: fix racy pipe->buffers uses
drbd: fix null pointer dereference with on-congestion policy when diskless
drbd: fix list corruption by failing but already aborted reads
drbd: fix access of unallocated pages and kernel panic
xen/blkfront: Add WARN to deal with misbehaving backends.
blkcg: drop local variable @q from blkg_destroy()
mtip32xx: Create debugfs entries for troubleshooting
mtip32xx: Remove 'registers' and 'flags' from sysfs
blkcg: fix blkg_alloc() failure path
block: blkcg_policy_cfq shouldn't be used if !CONFIG_CFQ_GROUP_IOSCHED
block: fix return value on cfq_init() failure
mtip32xx: Remove version.h header file inclusion
xen/blkback: Copy id field when doing BLKIF_DISCARD.
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Fix:
[ 3190.059226] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 3190.062224] IP: [<ffffffffa02aac66>] mmu_page_zap_pte+0x10/0xa7 [kvm]
[ 3190.063760] PGD 104f50067 PUD 112bea067 PMD 0
[ 3190.065309] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 3190.066860] CPU 1
[ ...... ]
[ 3190.109629] Call Trace:
[ 3190.111342] [<ffffffffa02aada6>] kvm_mmu_prepare_zap_page+0xa9/0x1fc [kvm]
[ 3190.113091] [<ffffffffa02ab2f5>] mmu_shrink+0x11f/0x1f3 [kvm]
[ 3190.114844] [<ffffffffa02ab25d>] ? mmu_shrink+0x87/0x1f3 [kvm]
[ 3190.116598] [<ffffffff81150c9d>] ? prune_super+0x142/0x154
[ 3190.118333] [<ffffffff8110a4f4>] ? shrink_slab+0x39/0x31e
[ 3190.120043] [<ffffffff8110a687>] shrink_slab+0x1cc/0x31e
[ 3190.121718] [<ffffffff8110ca1d>] do_try_to_free_pages
This is caused by shrinking page from the empty mmu, although we have
checked n_used_mmu_pages, it is useless since the check is out of mmu-lock
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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fault_page is forgot to be freed
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
From Tony Lindgren <tony@atomide.com>:
Here are changes to add support for am33xx processors for the
clock, power, and voltagedomains.
* tag 'omap-devel-am33xx-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP AM33xx: clockdomains: Add clockdomain data and respective operations
ARM: OMAP AM33xx: powerdomains: add AM335x support
ARM: OMAP AM33xx: CM: Introduce AM33xx CM APIs and register level details
ARM: OMAP AM33xx: PRM: add PRM support
ARM: OMAP AM33xx: voltagedomain: Add voltage domain data
ARM: OMAP2+: control: Add AM33XX control reg & sec clkctrl offset
ARM: OMAP2+: am33xx: Add AM335XEVM machine support
ARM: OMAP2+: am33xx: Add low level debugging support
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 next/pm
From: Tony Lindgren <tony@atomide.com>:
Here are some omap PM changes that reimplement omap PRCM I/O chain
code for wake-ups, and improve idle latencies for cpuidle.
* tag 'omap-devel-pm-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: PM: fix IRQ_NOAUTOEN removal by mis-merge
ARM: OMAP3: PM: cpuidle: optimize the clkdm idle latency in C1 state
ARM: OMAP3: PM: cpuidle: optimize the PER latency in C1 state
ARM: OMAP3: PM: cpuidle: default to C1 in next_valid_state
ARM: OMAP3: PM: cleanup cam_pwrdm leftovers
ARM: OMAP3: PM: call pre/post transition per powerdomain
ARM: OMAP2+: powerdomain: allow pre/post transtion to be per pwrdm
ARM: OMAP3: PM: Remove IO Daisychain control from cpuidle
ARM: OMAP3PLUS: hwmod: reconfigure IO Daisychain during hwmod mux
ARM: OMAP3+: PRM: Enable IO wake up
ARM: OMAP4: PRM: Add IO Daisychain support
ARM: OMAP3: PM: Move IO Daisychain function to omap3 prm file
ARM: OMAP3: PM: correct enable/disable of daisy io chain
ARM: OMAP2+: PRM: fix compile for OMAP4-only build
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 next/pm
From Tony Lindgren <tony@atomide.com>:
Here are omap driver changes for v3.6 that were agreed to be merged
via the omap tree. These changes convert omap HDQ1W driver to use
runtime PM, and finally move omap SmartReflex driver from arch/arm
to live under drivers.
* tag 'omap-devel-driver-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: do not allow SmartReflex to be built as a module
ARM: OMAP2: Use hwmod to initialize mmc for 2420
W1: OMAP HDQ1W: use runtime PM
ARM: OMAP2+: HDQ1W: use omap_device
W1: OMAP HDQ1W: use 32-bit register accesses
W1: OMAP HDQ1W: allow driver to be built on all OMAP2+
ARM: OMAP: SmartReflex: Move smartreflex driver to drivers/
ARM: OMAP2+: SmartReflex: add POWER_AVS Kconfig options
ARM: OMAP2+: SmartReflex: Create per-opp debugfs node for errminlimit
ARM: OMAP2+: SmartReflex: Use per-OPP data structure
ARM: OMAP2+: Voltage: Move the omap_volt_data structure to plat
ARM: OMAP2+: SmartReflex: introduce a busy loop condition test macro
ARM: OMAP3: hwmod: rename the smartreflex entries
ARM: OMAP2+: smartreflex: Use the names from hwmod data instead of voltage domains.
ARM: OMAP3+: SmartReflex: class drivers should use struct omap_sr *
ARM: OMAP2+: SmartReflex: move the smartreflex header to include/linux/power
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 next/timer
From Tony Lindgren <tony@atomide.com>:
Here are some omap dmtimer changes to make it easier to add
device tree support for dmtimer by simplifying the platform
data structure used by dmtimr.
* tag 'omap-devel-dmtimer-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Simplify dmtimer clock aliases
ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
ARM: OMAP1: Fix dmtimer support
ARM: OMAP: Add flag to indicate if a timer needs a manual reset
ARM: OMAP: Remove timer function pointer for context loss counter
ARM: OMAP: Remove loses_context variable from timer platform data
ARM: OMAP2+: Fix external clock support for dmtimers
ARM: OMAP2+: HWMOD: Correct timer device attributes
ARM: OMAP: Add DMTIMER capability variable to represent timer features
ARM: OMAP2+: Add dmtimer platform function to reserve systimers
ARM: OMAP2+: Remove unused max number of timers definition
ARM: OMAP: Remove unnecessary clk structure
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 next/cleanup
From Tony Lindgren <tony@atomide.com>
Here is some more omap clean-up. The biggest changes are
hwmod, clock, and System Control Module cleanup, and the removal
of the last instance of omap_read/write usage for omap2+ with
the removal of unused USB OHCI Full Speed driver support. The
removed OHCI is only currently used for omap1 as the actively
used omap2+ boards have either MUSB or another instance of
OHCI+EHCI that's more usable.
* tag 'omap-cleanup-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: hwmod: remove prm_clkdm, cm_clkdm; allow hwmods to have no clockdomain
ARM: OMAP3: Move McBSP fck clock alias to hwmod data
ARM: OMAP2: Move McBSP fck clock alias to hwmod data for OMAP2430
ARM: OMAP2: Move McBSP fck clock alias to hwmod data for OMAP2420
ARM: OMAP: dsp: interface to control module functions
ARM: OMAP2+: control: new APIs to configure boot address and mode
ARM: OMAP2+: CLEANUP: Remove ARCH_OMAPx ifdef from struct dpll_data
ARM: OMAP2+: hwmod: use init-time function pointer for _init_clkdm
ARM: OMAP2+: hwmod: use init-time function pointer for hardreset
ARM: OMAP2+: hwmod: use init-time function pointer for wait_target_ready
ARM: OMAP4: hwmod: drop extra cpu_is check from _wait_target_disable()
ARM: OMAP2+: hwmod: use init-time function ptrs for enable/disable module
ARM: OMAP4: hwmod: rename _enable_module to _omap4_enable_module()
ARM: OMAP: Make FS USB omap1 only
ARM: OMAP2: Remove legacy USB FS support
ARM: OMAP3: There is no FS USB controller on omap3
ARM: OMAP: dma: Clear status registers on enable/disable irq
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 next/fixes-non-critical
From Tony Lindgren <tony@atomide.com>:
This branch contains fixes that were too intrusive or not
critical enough for the 3.5 -rc cycle. The biggest changes are
fixes for the am35xx clock and hwmod data, and the removal of dead
code for the 730 and 850 headers.
* tag 'omap-fixes-non-critical-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (25 commits)
ARM: OMAP2+: fix CONFIG_CPU_IDLE dependency on CONFIG_PM
ARM: OMAP: remove unused cpu detection macros
ARM: OMAP: fix typos related to OMAP330
ARM: OMAP7XX: Remove omap730.h and omap850.h
ARM: OMAP2+: fix naming collision of variable nr_irqs
ARM: OMAP: omap2plus_defconfig: Enable EXT4 support
ARM: OMAP depends on MMU
arm: omap3: am35x: Set proper powerdomain states
ARM: OMAP AM35x: clockdomain data: Fix clockdomain dependencies
ARM: OMAP AM35x: EMAC/MDIO integration: Add Davinci EMAC/MDIO hwmod support
ARM: OMAP: AM35xx: fix UART4 softreset
ARM: OMAP AM35xx: clock and hwmod data: fix UART4 data
ARM: OMAP AM35xx: clock and hwmod data: fix AM35xx HSOTGUSB hwmod
ARM: OMAP: Fix dts files w/ status property: "disable" -> "disabled"
ARM: OMAP: beagle: Set USB Host Port 1 to OMAP_USBHS_PORT_MODE_UNUSED
ARM: OMAP2: twl-common: Fix compiler warning
ARM: OMAP: fix the ads7846 init code
mfd: twl: remove pdata->irq_base/_end, no more users
ARM: OMAP2+: TWL: remove usage of pdata->irq_base/_end
ARM: OMAP2+: OPP: Fix to ensure check of right oppdef after bad one
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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A second batch of core patches for lpc32xx, based on top of the first
one in the lpc32xx-next branch.
* 'lpc32xx/core' of git://git.antcom.de/linux-2.6:
ARM: LPC32xx: Remove unused gpios
ARM: LPC32xx: Remove USB and I2C init from phy3250.c
ARM: LPC32xx: Cleanup USB clock init
ARM: LPC32xx: Remove wrong re-initialization of MMC clock register
ARM: LPC32xx: Add further bits to MMC init
ARM: LPC32xx: Init MMC via clock
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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next/defconfig
defconfig updates for lpc32xx, depends on the earlier lpc32xx-next
branch.
* 'lpc32xx/defconfig' of git://git.antcom.de/linux-2.6:
ARM: LPC32xx: Defconfig update
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This branch contains device tree changes for lpc32xx that are
based on top of the earlier lpc32xx-next branch.
* 'lpc32xx/dts' of git://git.antcom.de/linux-2.6:
ARM: LPC32xx: Update DTS file for EA3250 board
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This is essentially the code that was factored out into the core when the
feature was implemented.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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It is very common for regulators to support having their enable signal
controlled by a GPIO. Since there are a bunch of fiddly things to get
right like handling the operations when the enable signal is tied to
a rail and it's just replicated code add support for this to the core.
Drivers should set ena_gpio in their config if they have a GPIO control,
using ena_gpio_flags to specify any flags (including GPIOF_OUT_INIT_ for
the initial state) and ena_gpio_invert if the GPIO is active low. The
core will then override any enable and disable operations the driver has
and instead control the specified GPIO.
This will in the future also allow us to further extend the core by
identifying when several enable signals have been tied together and
handling this properly.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Create new _regulator_do_enable() and _regulator_do_disable() operations
which deal with the mechanics of performing the enable and disable, partly
to cut down on the levels of indentation and partly to support some future
work.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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