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Please revert 2.6.36-rc commit d2997b1042ec150616c1963b5e5e919ffd0b0ebf
"hibernation: freeze swap at hibernation". It complicated matters by
adding a second swap allocation path, just for hibernation; without in any
way fixing the issue that it was intended to address - page reclaim after
fixing the hibernation image might free swap from a page already imaged as
swapcache, letting its swap be reallocated to store a different page of
the image: resulting in data corruption if the imaged page were freed as
clean then swapped back in. Pages freed to si->swap_map were still in
danger of being reallocated by the alternative allocation path.
I guess it inadvertently fixed slow SSD swap allocation for hibernation,
as reported by Nigel Cunningham: by missing out the discards that occur on
the usual swap allocation path; but that was unintentional, and needs a
separate fix.
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Ondrej Zary <linux@rainbow-software.org>
Cc: Andrea Gelmini <andrea.gelmini@gmail.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Nigel Cunningham <nigel@tuxonice.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I have been seeing problems on Tegra 2 (ARMv7 SMP) systems with HIGHMEM
enabled on 2.6.35 (plus some patches targetted at 2.6.36 to perform cache
maintenance lazily), and the root cause appears to be that the mm bouncing
code is calling flush_dcache_page before it copies the bounce buffer into
the bio.
The bounced page needs to be flushed after data is copied into it, to
ensure that architecture implementations can synchronize instruction and
data caches if necessary.
Signed-off-by: Gary King <gking@nvidia.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Acked-by: Jens Axboe <axboe@kernel.dk>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It was a mistake to mark the PL031 IRQ as shared (for the U8500),
we misread the datasheet. Get rid of this.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Cc: Jonas Aberg <jonas.aberg@stericsson.com>
Cc: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Because no one dared to remove it so far, let's keep the entry correct, at
least.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There's been some recent confusion about error checking GPIO numbers.
briefly, it should be handled mostly during setup, when gpio_request() is
called, and NEVER by expectig gpio_is_valid to report more than
never-usable GPIO numbers.
[akpm@linux-foundation.org: terminate unterminated comment]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Eric Miao" <eric.y.miao@gmail.com>
Cc: "Ryan Mallon" <ryan@bluewatersys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Replace the arbitrary software-reset call from the device-probe
method, because:
- It is defective. To work correctly, it should be two byte writes,
not a single word write. As it stands, it does nothing.
- Some devices with sx150x expanders installed have their NRESET pins
ganged on the same line, so resetting one causes the others to reset -
not a nice thing to do arbitrarily!
- The probe, usually taking place at boot, implies a recent hard-reset,
so a software reset at this point is just a waste of energy anyway.
Therefore, make it optional, defaulting to off, as this will match the
common case of probing at powerup and also matches the current broken
no-op behavior.
Signed-off-by: Gregory Bean <gbean@codeaurora.org>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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next_active_pageblock() is for finding next _used_ freeblock. It skips
several blocks when it finds there are a chunk of free pages lager than
pageblock. But it has 2 bugs.
1. We have no lock. page_order(page) - pageblock_order can be minus.
2. pageblocks_stride += is wrong. it should skip page_order(p) of pages.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Iram reported that compaction's too_many_isolated() loops forever.
(http://www.spinics.net/lists/linux-mm/msg08123.html)
The meminfo when the situation happened was inactive anon is zero. That's
because the system has no memory pressure until then. While all anon
pages were in the active lru, compaction could select active lru as well
as inactive lru. That's a different thing from vmscan's isolated. So we
has been two too_many_isolated.
While compaction can isolate pages in both active and inactive, current
implementation of too_many_isolated only considers inactive. It made
Iram's problem.
This patch handles active and inactive fairly. That's because we can't
expect where from and how many compaction would isolated pages.
This patch changes (nr_isolated > nr_inactive) with
nr_isolated > (nr_active + nr_inactive) / 2.
Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Reported-by: Iram Shahzad <iram.shahzad@jp.fujitsu.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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gid_t is a unsigned int. If group_info contains a gid greater than
MAX_INT, groups_search() function may look on the wrong side of the search
tree.
This solves some unfair "permission denied" problems.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The slab.h header is required to use the kmalloc() family of functions.
Due to recent kernel changes, this header must be directly included by
code that calls into the memory allocator.
Without this patch, any code which includes this header fails to build.
Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit b485fe5ea ("rtc/m41t80: use rtc_valid_tm() to check returned tm")
added rtc_valid_tm to m41t80_rtc_read_alarm() but it was wrong while the
t->time does not contain complete date/time.
This patch also fixes a warning:
warning: passing argument 1 of 'rtc_valid_tm' from incompatible pointer type
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 74641f584da ("alpha: binfmt_aout fix") (May 2009) introduced a
regression - binfmt_misc is now consulted after binfmt_elf, which will
unfortunately break ia32el. ia32 ELF binaries on ia64 used to be matched
using binfmt_misc and executed using wrapper. As 32bit binaries are now
matched by binfmt_elf before bindmt_misc kicks in, the wrapper is ignored.
The fix increases precedence of binfmt_misc to the original state.
Signed-off-by: Jan Sembera <jsembera@suse.cz>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Richard Henderson <rth@twiddle.net
Cc: <stable@kernel.org> [2.6.everything.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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COMPACTION enables MIGRATION, but MIGRATION spawns a warning if numa or
memhotplug aren't selected. However MIGRATION doesn't depend on them. I
guess it's just trying to be strict doing a double check on who's enabling
it, but it doesn't know that compaction also enables MIGRATION.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The pte_same check is reliable only if the swap entry remains pinned (by
the page lock on swapcache). We've also to ensure the swapcache isn't
removed before we take the lock as try_to_free_swap won't care about the
page pin.
One of the possible impacts of this patch is that a KSM-shared page can
point to the anon_vma of another process, which could exit before the page
is freed.
This can leave a page with a pointer to a recycled anon_vma object, or
worse, a pointer to something that is no longer an anon_vma.
[riel@redhat.com: changelog help]
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move the second if (reg & ...) test into the branch indicated by its
indentation. The test was previously always executed after the if
containing that branch, but it was always false unless the if branch was
taken.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable braces4@
position p1,p2;
statement S1,S2;
@@
(
if (...) { ... }
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if (...) S1@p1 S2@p2
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
if (p1[0].column == p2[0].column):
cocci.print_main("branch",p1)
cocci.print_secs("after",p2)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Chris Ball <cjb@laptop.org>
Cc: Pavel Pisa <ppisa@pikron.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If suspend called when kmmcd is doing host->ops->disable, as kmmcd already
increased host->en_dis_recurs to 1, the mmc_host_enable in suspend
function will return directly without increase the nesting_cnt, which will
cause the followed register access carried out to the disabled host.
mmc_suspend_host will enable host itself. No need to enable host before
it. Also works on kmmcd will get flushed in mmc_suspend_host, enable host
after it will be safe. So make the mmc_host_enable after it.
[cjb: rebase against current Linus]
Signed-off-by: Ethan <ethan.too@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Acked-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the following error:
at91_mci.c: In function 'at91_mci_sg_to_dma':
at91_mci.c:236: error: implicit declaration of function 'kmap_atomic'
at91_mci.c:236: error: 'KM_BIO_SRC_IRQ' undeclared (first use in this function)
at91_mci.c:236: error: (Each undeclared identifier is reported only once
at91_mci.c:236: error: for each function it appears in.)
at91_mci.c:236: warning: assignment makes pointer from integer without a cast
at91_mci.c:252: error: implicit declaration of function 'kunmap_atomic'
at91_mci.c: In function 'at91_mci_post_dma_read':
at91_mci.c:302: error: 'KM_BIO_SRC_IRQ' undeclared (first use in this function)
at91_mci.c:302: warning: assignment makes pointer from integer without a cast
at91_mci.c:317: error: implicit declaration of function 'flush_kernel_dcache_page'
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Andrew Victor <avictor.za@gmail.com>
Cc: Wolfgang Muees <wolfgang.mues@auerswald.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This fixes the following warning:
drivers/mmc/host/omap_hsmmc.c: In function 'omap_hsmmc_suspend':
drivers/mmc/host/omap_hsmmc.c:2275: warning: unused variable 'state'
Introduced by commit ID:
commit 1a13f8fa76c880be41d6b1e6a2b44404bcbfdf9e
Author: Matt Fleming <matt@console-pimps.org>
Date: Wed May 26 14:42:08 2010 -0700
mmc: remove the "state" argument to mmc_suspend_host()
The unique usage of this var was removed there, and missed
removing the respective declaration aswell.
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Acked-by: Matt Fleming <matt@console-pimps.org>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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[cjb: fix line-wrapped patch]
Signed-off-by: Jiri Pinkava <jiri.pinkava@vscht.cz>
Signed-off-by: Chris Ball <cjb@laptop.org>
Cc: Matt Fleming <matt@console-pimps.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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kunmap_atomic() takes the cookie, returned by the kmap_atomic() as its
argument and not the page address, used as an argument to kmap_atomic().
This patch fixes the compile error:
In file included from drivers/mmc/host/tmio_mmc.c:37:
drivers/mmc/host/tmio_mmc.h: In function 'tmio_mmc_kunmap_atomic':
drivers/mmc/host/tmio_mmc.h:192: error: negative width in bit-field '<anonymous>'
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Tested-by: Magnus Damm <damm@opensource.se>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Previously, it was possible for ack_mmc_irqs() to clear pending interrupt
bits in the CTL_STATUS register, even though the interrupt handler had not
been called. This was because of a race that existed when doing a
read-modify-write sequence on CTL_STATUS. After the read step in this
sequence, if an interrupt occurred (causing one of the bits in CTL_STATUS
to be set) the write step would inadvertently clear it.
Observed with the TMIO_STAT_RXRDY bit together with CMD53 on AR6002 and
BCM4318 SDIO cards in polled mode.
This patch eliminates this race by only writing to CTL_STATUS and clearing
the interrupts that were passed as an argument to ack_mmc_irqs()."
[matt@console-pimps.org: rewrote changelog]
Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>"
Tested-by: Arnd Hannemann <arnd@arndnet.de>"
Acked-by: Ian Molton <ian@mnementh.co.uk>
Cc: Matt Fleming <matt@console-pimps.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: <linux-mmc@vger.kernel.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add cgroup_attach_task_all()
The existing cgroup_attach_task_current_cg() API is called by a thread to
attach another thread to all of its cgroups; this is unsuitable for cases
where a privileged task wants to attach itself to the cgroups of a less
privileged one, since the call must be made from the context of the target
task.
This patch adds a more generic cgroup_attach_task_all() API that allows
both the source task and to-be-moved task to be specified.
cgroup_attach_task_current_cg() becomes a specialization of the more
generic new function.
[menage@google.com: rewrote changelog]
[akpm@linux-foundation.org: address reviewer comments]
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Ben Blum <bblum@google.com>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the left-over old ifdef for PG_uncached in /proc/kpageflags. Now it's
used by x86, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The gcov-kernel infrastructure expects that each object file is loaded
only once. This may not be true, e.g. when loading multiple kernel
modules which are linked to the same object file. As a result, loading
such kernel modules will result in incorrect gcov results while unloading
will cause a null-pointer dereference.
This patch fixes these problems by changing the gcov-kernel infrastructure
so that multiple profiling data sets can be associated with one debugfs
entry. It applies to 2.6.36-rc1.
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reported-by: Werner Spies <werner.spies@thalesgroup.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kexec tools has been moved to http://kernel.org/pub/linux/utils/kernel/kexec/
as user-space code shouldn't be in /pub/linux/kernel
Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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commit c2c6ca4 (direct-io: do not merge logically non-contiguous requests)
introduced a bug whereby all O_DIRECT I/Os were submitted a page at a time
to the block layer. The problem is that the code expected
dio->block_in_file to correspond to the current page in the dio. In fact,
it corresponds to the previous page submitted via submit_page_section.
This was purely an oversight, as the dio->cur_page_fs_offset field was
introduced for just this purpose. This patch simply uses the correct
variable when calculating whether there is a mismatch between contiguous
logical blocks and contiguous physical blocks (as described in the
comments).
I also switched the if conditional following this check to an else if, to
ensure that we never call dio_bio_submit twice for the same dio (in
theory, this should not happen, anyway).
I've tested this by running blktrace and verifying that a 64KB I/O was
submitted as a single I/O. I also ran the patched kernel through
xfstests' aio tests using xfs, ext4 (with 1k and 4k block sizes) and btrfs
and verified that there were no regressions as compared to an unpatched
kernel.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Acked-by: Josef Bacik <jbacik@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: <stable@kernel.org> [2.6.35.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Added missing axis-mapping for HP ProBook 532x and HP Mini 5102.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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bob.picco@hp.com doesn't work any more and Bob says that he's unlikely to
work on hpet.c in the future.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Bob Picco <bpicco@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Much (but not all) of the RTC state is kept in the RTC peripheral which
has its own power domain. Periodically (1 HZ), that state is synced from
one power domain to the other (peripheral->core). When we are resuming,
we need to wait for the sync to occur so that we don't get a mismatch of
reading undefined state in the rest of the driver.
Further, once the externally maintained bits have been synced back into
the core, we then need to restore the bits maintained in the core. In our
particular case, that is just the write completion interrupt bit.
If we don't do any of this, working with the RTC causes ~5 second delays
from time to time after waking up due to the write completion interrupt
never firing.
Reported-by: Michael Dean <mdean@aeronix.com>
Reported-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The int_clear helper takes a bitmask of interrupts to keep, not to
disable. When suspending without wakeup enabled, we want to disable
all interrupts, so use 0 (keep none) instead of -1 (keep all).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Some macro parameter references inside typeof() operator are not enclosed
with parenthesis. It should be safer to add them.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Acked-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The introduction of support for SD combo cards breaks the initialization
of all CSR SDIO chips. The GO_IDLE (CMD0) in mmc_sd_get_cid() causes CSR
chips to be reset (this is non-standard behavior).
When initializing an SDIO card check for a combo card by using the memory
present bit in the R4 response to IO_SEND_OP_COND (CMD5). This avoids the
call to mmc_sd_get_cid() on an SDIO-only card.
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Acked-by: Michal Mirolaw <mirq-linux@rere.qmqm.pl>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits)
ARM: Update mach-types
ARM: Partially revert "Auto calculate ZRELADDR and provide option for exceptions"
ARM: Ensure PTE modifications via dma_alloc_coherent are visible
ARM: 6359/1: ep93xx: move clock initialization earlier
Revert "[ARM] pxa: remove now unnecessary dma_needs_bounce()"
ARM: 6352/1: perf: fix event validation
ARM: 6344/1: Mark CPU_32v6K as depended on CPU_V7
ARM: 6343/1: wire up fanotify and prlimit64 syscalls on ARM
ARM: 6330/1: perf: reword comments relating to perf_event_do_pending
ARM: pxa168fb: fix section mismatch
ARM: pxa: Make id const in pwm_probe()
ARM: pxa: fix CI_HSYNC and CI_VSYNC MFP defines for pxa300
ARM: pxa: remove __init from cpufreq_driver->init()
ARM: imx: set cache line size to 64 bytes for i.MX5
mx5/clock: fix clear bit fields issue in _clk_ccgr_disable function
mxc/tzic: add base address when accessing TZIC registers
ARM: mach-shmobile: ap4evb: fix write protect for SDHI1
ARM: mach-shmobile: ap4evb: modify FSI2 ID
ARM: mach-shmobile: do not enable the PLLC2 clock on init
ARM: mach-shmobile: Clock framework comment fix
...
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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exceptions"
Partially revert e69edc7, which introduced automatic zreladdr
support. The change in the way the manual definition is defined
seems to be error and conflict prone. Go back to the original way
we were handling this for the time being, while keeping the automatic
zreladdr facility.
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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lg_lock_global() currently only acquires spinlocks for online CPUs, but
it's meant to lock all possible CPUs. Lglock-protected resources may be
associated with removed CPUs - and, indeed, that could happen with the
per-superblock open files lists.
At Nick's suggestion, change for_each_online_cpu() to
for_each_possible_cpu() to protect accesses to those resources.
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Nick Piggin <npiggin@kernel.dk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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So it can be used by all that need to check for that.
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
RDMA/nes: Fix hang with modified FIN handling on A0 cards
RDMA/nes: Change state to closing after FIN
RDMA/nes: Fix double CLOSE event indication crash
RDMA/nes: Write correct register write to set TX pause param
RDMA/cxgb3: Don't exceed the max HW CQ depth
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* 'fixes' of git://oss.oracle.com/git/tma/linux-2.6:
ocfs2: Fix orphan add in ocfs2_create_inode_in_orphan
ocfs2: split out ocfs2_prepare_orphan_dir() into locking and prep functions
ocfs2: allow return of new inode block location before allocation of the inode
ocfs2: use ocfs2_alloc_dinode_update_counts() instead of open coding
ocfs2: split out inode alloc code from ocfs2_mknod_locked
Ocfs2: Fix a regression bug from mainline commit(6b933c8e6f1a2f3118082c455eef25f9b1ac7b45).
ocfs2: Fix deadlock when allocating page
ocfs2: properly set and use inode group alloc hint
ocfs2: Use the right group in nfs sync check.
ocfs2: Flush drive's caches on fdatasync
ocfs2: make __ocfs2_page_mkwrite handle file end properly.
ocfs2: Fix incorrect checksum validation error
ocfs2: Fix metaecc error messages
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Changing state to CLOSING when FIN is received causes A0 cards to
hang. Fix this by checking for A0 cards in FIN handling.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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When the driver receives an AE for FIN received, it closes the
connection without changing the state of the connection in the
hardware to closing. By changing the state to closing, hardware will
do a normal close sequence.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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During a stress testing in a large cluster, multiple close event are
detected and BUG() is hit in the iWARP core. The cause is that the
active node gave up while waiting for an MPA response from the peer
and tried to close the connection by sending RST. The passive node
driver receives the RST but is waiting for MPA response from the user.
When the MPA accept is received, the driver offloads the connection
and sends a CLOSE event. The driver gets an AE indicating RESET
received and also sends a CLOSE event, hitting a BUG().
Fix this by correcting RESET handling and sending CLOSE events.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Setting TX pause param writes to the wrong register location causing
the adapter to hang. Correct the define used to write the reigster.
Addresses: https://bugs.openfabrics.org/show_bug.cgi?id=2116
Reported-by: Shiri Franchi <shirif@voltaire.com>
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - fix device removal on unload
Input: bcm5974 - adjust major/minor to scale
Input: MT - initialize slots to unused
Input: use PIT_TICK_RATE in vt beep ioctl
Input: wacom - fix mousewheel handling for old wacom tablets
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'semaphore-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
semaphore: Add DEFINE_SEMAPHORE
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, mcheck: Avoid duplicate sysfs links/files for thresholding banks
io-mapping: Fix the address space annotations
x86: Fix the address space annotations of iomap_atomic_prot_pfn()
x86, mm: Fix CONFIG_VMSPLIT_1G and 2G_OPT trampoline
x86, hwmon: Fix unsafe smp_processor_id() in thermal_throttle_add_dev
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
gcc-4.6: kernel/*: Fix unused but set warnings
mutex: Fix annotations to include it in kernel-locking docbook
pid: make setpgid() system call use RCU read-side critical section
MAINTAINERS: Add RCU's public git tree
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf, x86: Try to handle unknown nmis with an enabled PMU
perf, x86: Fix handle_irq return values
perf, x86: Fix accidentally ack'ing a second event on intel perf counter
oprofile, x86: fix init_sysfs() function stub
lockup_detector: Sync touch_*_watchdog back to old semantics
tracing: Fix a race in function profile
oprofile, x86: fix init_sysfs error handling
perf_events: Fix time tracking for events with pid != -1 and cpu != -1
perf: Initialize callchains roots's childen hits
oprofile: fix crash when accessing freed task structs
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