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Presently hwpoison is using lock_system_sleep() to prevent a race with
memory hotplug. However lock_system_sleep() is a no-op if
CONFIG_HIBERNATION=n. Therefore we need a new lock.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Suggested-by: Hugh Dickins <hughd@google.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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On stock 2.6.37-rc4, running:
# mount lilith:/export /mnt/lilith
# find /mnt/lilith/ -type f -print0 | xargs -0 file
crashes the machine fairly quickly under Xen. Often it results in oops
messages, but the couple of times I tried just now, it just hung quietly
and made Xen print some rude messages:
(XEN) mm.c:2389:d80 Bad type (saw 7400000000000001 != exp
3000000000000000) for mfn 1d7058 (pfn 18fa7)
(XEN) mm.c:964:d80 Attempt to create linear p.t. with write perms
(XEN) mm.c:2389:d80 Bad type (saw 7400000000000010 != exp
1000000000000000) for mfn 1d2e04 (pfn 1d1fb)
(XEN) mm.c:2965:d80 Error while pinning mfn 1d2e04
Which means the domain tried to map a pagetable page RW, which would
allow it to map arbitrary memory, so Xen stopped it. This is because
vm_unmap_ram() left some pages mapped in the vmalloc area after NFS had
finished with them, and those pages got recycled as pagetable pages
while still having these RW aliases.
Removing those mappings immediately removes the Xen-visible aliases, and
so it has no problem with those pages being reused as pagetable pages.
Deferring the TLB flush doesn't upset Xen because it can flush the TLB
itself as needed to maintain its invariants.
When unmapping a region in the vmalloc space, clear the ptes
immediately. There's no point in deferring this because there's no
amortization benefit.
The TLBs are left dirty, and they are flushed lazily to amortize the
cost of the IPIs.
This specific motivation for this patch is an oops-causing regression
since 2.6.36 when using NFS under Xen, triggered by the NFS client's use
of vm_map_ram() introduced in 56e4ebf877b60 ("NFS: readdir with vmapped
pages") . XFS also uses vm_map_ram() and could cause similar problems.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Bryan Schumaker <bjschuma@netapp.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Alex Elder <aelder@sgi.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* 'driver-core-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
uio: Change mail address of Hans J. Koch
driver core: prune docs about device_interface
driver core: the development tree has switched to git
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
serial: mfd: adjust the baud rate setting
TTY: open/hangup race fixup
TTY: don't allow reopen when ldisc is changing
NET: wan/x25, fix ldisc->open retval
TTY: ldisc, fix open flag handling
serial8250: Mark console as CON_ANYTIME
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: fix autosuspend bug in usb-serial
USB: ehci: disable LPM and PPCD for nVidia MCP89 chips
USB: serial: ftdi_sio: Vardaan USB RS422/485 converter PID added
USB: yurex: add .llseek fop to file_operations
USB: ftdi_sio: Add ID for RT Systems USB-29B radio cable
usb: musb: do not use dma for control transfers
usb: musb: gadget: fix compilation warning
usb: musb: clear RXCSR_AUTOCLEAR before PIO read
usb: musb: unmap dma buffer when switching to PIO
xhci: Don't let the USB core disable SuperSpeed ports.
xhci: Setup array of USB 2.0 and USB 3.0 ports.
xhci: Fix reset-device and configure-endpoint commands
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We need to ensure that the entries in the nfs_cache_array get cleared
when the page is removed from the page cache. To do so, we use the
freepage address_space operation.
Change nfs_readdir_clear_array to use kmap_atomic(), so that the
function can be safely called from all contexts.
Finally, modify the cache_page_release helper to call
nfs_readdir_clear_array directly, when dealing with an anonymous
page from 'uncached_readdir'.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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NFS needs to be able to release objects that are stored in the page
cache once the page itself is no longer visible from the page cache.
This patch adds a callback to the address space operations that allows
filesystems to perform page cleanups once the page has been removed
from the page cache.
Original patch by: Linus Torvalds <torvalds@linux-foundation.org>
[trondmy: cover the cases of invalidate_inode_pages2() and
truncate_inode_pages()]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Add documentation for struct input_absinfo that is used in EVIOCGABS
and EVIOCSABS ioctl and specify units of measure used for reporting
resolution for an axis.
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Some laptops will have a "touchpad toggle" soft button, which expects
user-space to turn off the touchpad themselves, some other devices will
do this in hardware, but send key events telling us that the touchpad
has been turned off/on.
KEY_TOUCHPAD_ON/KEY_TOUCHPAD_OFF will be used by user-space to show a
popup with the status of the touchpad.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Note: this patch targets 2.6.37 and tries to be as simple as possible.
That is why it adds more copy-and-paste horror into fs/compat.c and
uglifies fs/exec.c, this will be cleanuped later.
compat_copy_strings() plays with bprm->vma/mm directly and thus has
two problems: it lacks the RLIMIT_STACK check and argv/envp memory
is not visible to oom killer.
Export acct_arg_size() and get_arg_page(), change compat_copy_strings()
to use get_arg_page(), change compat_do_execve() to do acct_arg_size(0)
as do_execve() does.
Add the fatal_signal_pending/cond_resched checks into compat_count() and
compat_copy_strings(), this matches the code in fs/exec.c and certainly
makes sense.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Brad Spengler published a local memory-allocation DoS that
evades the OOM-killer (though not the virtual memory RLIMIT):
http://www.grsecurity.net/~spender/64bit_dos.c
execve()->copy_strings() can allocate a lot of memory, but
this is not visible to oom-killer, nobody can see the nascent
bprm->mm and take it into account.
With this patch get_arg_page() increments current's MM_ANONPAGES
counter every time we allocate the new page for argv/envp. When
do_execve() succeds or fails, we change this counter back.
Technically this is not 100% correct, we can't know if the new
page is swapped out and turn MM_ANONPAGES into MM_SWAPENTS, but
I don't think this really matters and everything becomes correct
once exec changes ->mm or fails.
Reported-by: Brad Spengler <spender@grsecurity.net>
Reviewed-and-discussed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Like in the "TTY: don't allow reopen when ldisc is changing" patch,
this one fixes a TTY WARNING as described in the option 1) there:
1) __tty_hangup from tty_ldisc_hangup to tty_ldisc_enable. During this
section tty_lock is held. However tty_lock is temporarily dropped in
the middle of the function by tty_ldisc_hangup.
The fix is to introduce a new flag which we set during the unlocked
window and check it in tty_reopen too. The flag is TTY_HUPPING and is
cleared after TTY_HUPPED is set.
While at it, remove duplicate TTY_HUPPED set_bit. The one after
calling ops->hangup seems to be more correct. But anyway, we hold
tty_lock, so there should be no difference.
Also document the function it does that kind of crap.
Nicely reproducible with two forked children:
static void do_work(const char *tty)
{
if (signal(SIGHUP, SIG_IGN) == SIG_ERR) exit(1);
setsid();
while (1) {
int fd = open(tty, O_RDWR|O_NOCTTY);
if (fd < 0) continue;
if (ioctl(fd, TIOCSCTTY)) continue;
if (vhangup()) continue;
close(fd);
}
exit(0);
}
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Reported-by: <Valdis.Kletnieks@vt.edu>
Reported-by: Kyle McMartin <kyle@mcmartin.ca>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
af_unix: limit recursion level
pch_gbe driver: The wrong of initializer entry
pch_gbe dreiver: chang author
ucc_geth: fix ucc halt problem in half duplex mode
inet: Fix __inet_inherit_port() to correctly increment bsockets and num_owners
ehea: Add some info messages and fix an issue
hso: fix disable_net
NET: wan/x25_asy, move lapb_unregister to x25_asy_close_tty
cxgb4vf: fix setting unicast/multicast addresses ...
net, ppp: Report correct error code if unit allocation failed
DECnet: don't leak uninitialized stack byte
au1000_eth: fix invalid address accessing the MAC enable register
dccp: fix error in updating the GAR
tcp: restrict net.ipv4.tcp_adv_win_scale (#20312)
netns: Don't leak others' openreq-s in proc
Net: ceph: Makefile: Remove unnessary code
vhost/net: fix rcu check usage
econet: fix CVE-2010-3848
econet: fix CVE-2010-3850
econet: disallow NULL remote addr for sendmsg(), fixes CVE-2010-3849
...
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This avoids some include-file hell, and the function isn't really
important enough to be inlined anyway.
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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And in particular, use it in 'pipe_fcntl()'.
The other pipe functions do not need to use the 'careful' version, since
they are only ever called for things that are already known to be pipes.
The normal read/write/ioctl functions are called through the file
operations structures, so if a file isn't a pipe, they'd never get
called. But pipe_fcntl() is special, and called directly from the
generic fcntl code, and needs to use the same careful function that the
splice code is using.
Cc: Jens Axboe <jaxboe@fusionio.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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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: Fix the software context switch counter
perf, x86: Fixup Kconfig deps
x86, perf, nmi: Disable perf if counters are not accessible
perf: Fix inherit vs. context rotation bug
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* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
NFS: Ensure we return the dirent->d_type when it is known
NFS: Correct the array bound calculation in nfs_readdir_add_to_array
NFS: Don't ignore errors from nfs_do_filldir()
NFS: Fix the error handling in "uncached_readdir()"
NFS: Fix a page leak in uncached_readdir()
NFS: Fix a page leak in nfs_do_filldir()
NFS: Assume eof if the server returns no readdir records
NFS: Buffer overflow in ->decode_dirent() should not be fatal
Pure nfs client performance using odirect.
SUNRPC: Fix an infinite loop in call_refresh/call_refreshresult
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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:
dmar, x86: Use function stubs when CONFIG_INTR_REMAP is disabled
x86-64: Fix and clean up AMD Fam10 MMCONF enabling
x86: UV: Address interrupt/IO port operation conflict
x86: Use online node real index in calulate_tbl_offset()
x86, asm: Fix binutils 2.15 build failure
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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 symbols: Remove incorrect open-coded container_of()
perf record: Handle restrictive permissions in /proc/{kallsyms,modules}
x86/kprobes: Prevent kprobes to probe on save_args()
irq_work: Drop cmpxchg() result
perf: Fix owner-list vs exit
x86, hw_nmi: Move backtrace_mask declaration under ARCH_HAS_NMI_WATCHDOG
tracing: Fix recursive user stack trace
perf,hw_breakpoint: Initialize hardware api earlier
x86: Ignore trap bits on single step exceptions
tracing: Force arch_local_irq_* notrace for paravirt
tracing: Fix module use of trace_bprintk()
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
mmc: sdhci: 8-bit bus width changes
mmc: sdio: fix runtime PM anomalies by introducing MMC_CAP_POWER_OFF_CARD
mmc: sdio: fix nasty oops in mmc_sdio_detect
mmc: omap4: hsmmc: Fix improper card detection while booting
mmc: fix rmmod race for hosts using card-detection polling
mmc: sdhci: Fix crash on boot with C0 stepping Moorestown platforms
mmc: sdhci-esdhc-imx: enable QUIRK_NO_MULTIBLOCK only for i.MX25 and i.MX35
mmc: sdhci-esdhc-imx: fix timeout on i.MX's sdhci
mmc: sdhci: Properly enable SDIO IRQ wakeups
mmc: ushc: Return proper error code for ushc_probe()
mmc: Fix printing of card DDR type
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Stephane noticed that because the perf_sw_event() call is inside the
perf_event_task_sched_out() call it won't get called unless we
have a per-task counter.
Reported-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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It was found that sometimes children of tasks with inherited events had
one extra event. Eventually it turned out to be due to the list rotation
no being exclusive with the list iteration in the inheritance code.
Cure this by temporarily disabling the rotation while we inherit the events.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The stubs for CONFIG_INTR_REMAP disabled need to be functions
instead of values to eliminate build warnings.
arch/x86/kernel/apic/apic.c: In function 'lapic_suspend':
arch/x86/kernel/apic/apic.c:2060:3: warning: statement with no effect
arch/x86/kernel/apic/apic.c: In function 'lapic_resume':
arch/x86/kernel/apic/apic.c:2137:3: warning: statement with no effect
Reported-and-Tested-by: Fabio Comolli <fabio.comolli@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
LKML-Reference: <20101122124834.74429004.randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
* 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6:
sisfb: delete osdef.h
sisfb: move the CONFIG warning to sis_main.c
sisfb: replace SiS_SetMemory with memset_io
sisfb: remove InPort/OutPort wrappers
sisfb: use CONFIG_FB_SIS_301/315 instead of SIS301/315H
sisfb: delete redudant #define SIS_LINUX_KERNEL
sisfb: delete dead SIS_XORG_XF86 code
sisfb: delete fallback code for pci_map_rom()
sisfb: delete obsolete PCI ROM bug workaround
fbdev: Update documentation index file.
lxfb: Program panel v/h sync output polarity correctly
fbcmap: integer overflow bug
fbcmap: cleanup white space in fb_alloc_cmap()
MAINTAINERS: Add fbdev patchwork entry, tidy up file patterns.
fbdev: da8xx: punt duplicated FBIO_WAITFORVSYNC define
fbdev: sh_mobile_lcdcfb: fix bug in reconfig()
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: clkfwk: Build fix for non-legacy CPG changes.
sh: Use GCC __builtin_prefetch() to implement prefetch().
sh: fix vsyscall compilation due to .eh_frame issue
sh: avoid to flush all cache in sys_cacheflush
sh: clkfwk: Disable init clk op for non-legacy clocks.
sh: clkfwk: Kill off now unused algo_id in set_rate op.
sh: clkfwk: Kill off unused clk_set_rate_ex().
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* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
virtio: fix format of sysfs driver/vendor files
Char: virtio_console, fix memory leak
virtio: return correct capacity to users
module: Update prototype for ref_module (formerly use_module)
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Fix this:
kernel BUG at mm/memcontrol.c:2155!
invalid opcode: 0000 [#1]
last sysfs file:
Pid: 18, comm: sh Not tainted 2.6.37-rc3 #3 /Bochs
EIP: 0060:[<c10731b2>] EFLAGS: 00000246 CPU: 0
EIP is at mem_cgroup_move_account+0xe2/0xf0
EAX: 00000004 EBX: c6f931d4 ECX: c681c300 EDX: c681c000
ESI: c681c300 EDI: ffffffea EBP: c681c000 ESP: c46f3e30
DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
Process sh (pid: 18, ti=c46f2000 task=c6826e60 task.ti=c46f2000)
Stack:
00000155 c681c000 0805f000 c46ee180 c46f3e5c c7058820 c1074d37 00000000
08060000 c46db9a0 c46ec080 c7058820 0805f000 08060000 c46f3e98 c1074c50
c106c75e c46f3e98 c46ec080 08060000 0805ffff c46db9a0 c46f3e98 c46e0340
Call Trace:
[<c1074d37>] ? mem_cgroup_move_charge_pte_range+0xe7/0x130
[<c1074c50>] ? mem_cgroup_move_charge_pte_range+0x0/0x130
[<c106c75e>] ? walk_page_range+0xee/0x1d0
[<c10725d6>] ? mem_cgroup_move_task+0x66/0x90
[<c1074c50>] ? mem_cgroup_move_charge_pte_range+0x0/0x130
[<c1072570>] ? mem_cgroup_move_task+0x0/0x90
[<c1042616>] ? cgroup_attach_task+0x136/0x200
[<c1042878>] ? cgroup_tasks_write+0x48/0xc0
[<c1041e9e>] ? cgroup_file_write+0xde/0x220
[<c101398d>] ? do_page_fault+0x17d/0x3f0
[<c108a79d>] ? alloc_fd+0x2d/0xd0
[<c1041dc0>] ? cgroup_file_write+0x0/0x220
[<c1077ba2>] ? vfs_write+0x92/0xc0
[<c1077c81>] ? sys_write+0x41/0x70
[<c1140e3d>] ? syscall_call+0x7/0xb
Code: 03 00 74 09 8b 44 24 04 e8 1c f1 ff ff 89 73 04 8d 86 b0 00 00 00 b9 01 00 00 00 89 da 31 ff e8 65 f5 ff ff e9 4d ff ff ff 0f 0b <0f> 0b 0f 0b 0f 0b 90 8d b4 26 00 00 00 00 83 ec 10 8b 0d f4 e3
EIP: [<c10731b2>] mem_cgroup_move_account+0xe2/0xf0 SS:ESP 0068:c46f3e30
---[ end trace 7daa1582159b6532 ]---
lock_page_cgroup and unlock_page_cgroup are implemented using
bit_spinlock. bit_spinlock doesn't touch the bit if we are on non-SMP
machine, so we can't use the bit to check whether the lock was taken.
Let's introduce is_page_cgroup_locked based on bit_spin_is_locked instead
of PageCgroupLocked to fix it.
[akpm@linux-foundation.org: s/is_page_cgroup_locked/page_is_cgroup_locked/]
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtisu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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dpkg uses fiemap but didn't particularly need to include stdint.h so far.
Since 367a51a33902 ("fs: Add FITRIM ioctl"), build of linux/fs.h failed in
dpkg with:
In file included from ../../src/filesdb.c:27:0:
/usr/include/linux/fs.h:37:2: error: expected specifier-qualifier-list before 'uint64_t'
Use exportable type __u64 to avoid the dependency on stdint.h.
b31d42a5af18 ("Fix compile brekage with !CONFIG_BLOCK") fixed only the
kernel build by including linux/types.h, but this also fixed "make
headers_check", so don't revert it.
Signed-off-by: Loïc Minier <loic.minier@linaro.org>
Tested-by: Arnd Bergmann <arnd.bergmann@linaro.org>
Cc: Lukas Czerner <lczerner@redhat.com>
Cc: Dmitry Monakhov <dmonakhov@openvz.org>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Commit 9bea7f23952d5948f8e5dfdff4de09bb9981fb5f renamed use_module to
ref_module (and changed its return value), but forgot to update this
prototype in module.h.
Signed-off-by: Anders Kaseorg <andersk@ksplice.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (41 commits)
ALSA: hda - Identify more variants for ALC269
ALSA: hda - Fix wrong ALC269 variant check
ALSA: hda - Enable jack sense for Thinkpad Edge 11
ALSA: Revert "ALSA: hda - Fix switching between dmic and mic using the same mux on IDT/STAC"
ALSA: hda - Fixed ALC887-VD initial error
ALSA: atmel - Fix the return value in error path
ALSA: hda: Use hp-laptop quirk to enable headphones automute for Asus A52J
ALSA: snd-atmel-abdac: test wrong variable
ALSA: azt3328: period bug fix (for PA), add missing ACK on stop timer
ALSA: hda: Add Samsung R720 SSID for subwoofer pin fixup
ALSA: sound/pci/asihpi/hpioctl.c: Remove unnecessary casts of pci_get_drvdata
ALSA: sound/core/pcm_lib.c: Remove unnecessary semicolons
ALSA: sound/ppc: Use printf extension %pR for struct resource
ALSA: ac97: Apply quirk for Dell Latitude D610 binding Master and Headphone controls
ASoC: uda134x - set reg_cache_default to uda134x_reg
ASoC: Add support for MAX98089 CODEC
ASoC: davinci: fixes for multi-component
ASoC: Fix register cache setup WM8994 for multi-component
ASoC: Fix dapm_seq_compare() for multi-component
ASoC: RX1950: Fix hw_params function
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
of/phylib: Use device tree properties to initialize Marvell PHYs.
phylib: Add support for Marvell 88E1149R devices.
phylib: Use common page register definition for Marvell PHYs.
qlge: Fix incorrect usage of module parameters and netdev msg level
ipv6: fix missing in6_ifa_put in addrconf
SuperH IrDA: correct Baud rate error correction
atl1c: Fix hardware type check for enabling OTP CLK
net: allow GFP_HIGHMEM in __vmalloc()
bonding: change list contact to netdev@vger.kernel.org
e1000: fix screaming IRQ
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Add new vendor for Broadcom 4318.
Signed-off-by: Daniel Klaffenbach <danielklaffenbach@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Store the dirent->d_type in the struct nfs_cache_array_entry so that we
can use it in getdents() calls.
This fixes a regression with the new readdir code.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The 88E1149R is 10/100/1000 quad-gigabit Ethernet PHY. The
.config_aneg function can be shared with 88E1118, but it needs its own
.config_init.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Inventra DMA engine used with the MUSB controller in many
SoCs cannot use DMA for control transfers on EP0, but can use
DMA for all other transfers.
The USB core maps urbs for DMA if hcd->self.uses_dma is true.
(hcd->self.uses_dma is true for MUSB as well).
Split the uses_dma flag into two - one that says if the
controller needs to use PIO for control transfers, and
another which says if the controller uses DMA (for all
other transfers).
Also, populate this flag for all MUSB by default.
(Tested on OMAP3 and OMAP4 boards, with EHCI and MUSB HCDs
simultaneously in use).
Signed-off-by: Maulik Mankad <x0082077@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Praveena NADAHALLY <praveen.nadahally@stericsson.com>
Cc: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: Add EXT4_IOC_TRIM ioctl to handle batched discard
fs: Do not dispatch FITRIM through separate super_operation
ext4: ext4_fill_super shouldn't return 0 on corruption
jbd2: fix /proc/fs/jbd2/<dev> when using an external journal
ext4: missing unlock in ext4_clear_request_list()
ext4: fix setting random pages PageUptodate
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There was concern that FITRIM ioctl is not common enough to be included
in core vfs ioctl, as Christoph Hellwig pointed out there's no real point
in dispatching this out to a separate vector instead of just through
->ioctl.
So this commit removes ioctl_fstrim() from vfs ioctl and trim_fs
from super_operation structure.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: fix readdir EOVERFLOW on 32-bit archs
ceph: fix frag offset for non-leftmost frags
ceph: fix dangling pointer
ceph: explicitly specify page alignment in network messages
ceph: make page alignment explicit in osd interface
ceph: fix comment, remove extraneous args
ceph: fix update of ctime from MDS
ceph: fix version check on racing inode updates
ceph: fix uid/gid on resent mds requests
ceph: fix rdcache_gen usage and invalidate
ceph: re-request max_size if cap auth changes
ceph: only let auth caps update max_size
ceph: fix open for write on clustered mds
ceph: fix bad pointer dereference in ceph_fill_trace
ceph: fix small seq message skipping
Revert "ceph: update issue_seq on cap grant"
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (31 commits)
net: fix kernel-doc for sk_filter_rcu_release
be2net: Fix to avoid firmware update when interface is not open.
netfilter: fix IP_VS dependencies
net: irda: irttp: sync error paths of data- and udata-requests
ipv6: Expose reachable and retrans timer values as msecs
ipv6: Expose IFLA_PROTINFO timer values in msecs instead of jiffies
3c59x: fix build failure on !CONFIG_PCI
ipg.c: remove id [SUNDANCE, 0x1021]
net: caif: spi: fix potential NULL dereference
ath9k_htc: Avoid setting QoS control for non-QoS frames
net: zero kobject in rx_queue_release
net: Fix duplicate volatile warning.
MAINTAINERS: Add stmmac maintainer
bonding: fix a race in IGMP handling
cfg80211: fix can_beacon_sec_chan, reenable HT40
gianfar: fix signedness issue
net: bnx2x: fix error value sign
8139cp: fix checksum broken
r8169: fix checksum broken
rds: Integer overflow in RDS cmsg handling
...
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Some board/card/host configurations are not capable of powering off the
card after boot.
To support such configurations, and to allow smoother transition to
runtime PM behavior, MMC_CAP_POWER_OFF_CARD is added, so hosts need to
explicitly indicate whether it's OK to power off their cards after boot.
SDIO core will enable runtime PM for a card only if that cap is set.
As a result, the card will be powered down after boot, and will only
be powered up again when a driver is loaded (and then it's up to the
driver to decide whether power will be kept or not).
This will prevent sdio_bus_probe() failures with setups that do not
support powering off the card.
Reported-and-tested-by: Daniel Drake <dsd@laptop.org>
Reported-and-tested-by: Arnd Hannemann <arnd@arndnet.de>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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This really isn't the right thing to do, and strictly speaking we should
have the BKL depth count in the thread info right next to the preempt
count. The two really do go together.
However, since that would involve a patch to all architectures, and the
BKL is finally going away, it's simply not worth the effort to do the
RightThing(tm). Just re-instate the <linux/sched.h> include that we
used to get accidentally from the smp_lock.h one.
This is all fallout from the same old "BKL: remove extraneous #include
<smp_lock.h>" commit.
Reported-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/urgent
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Commit 451a3c24b013 ("BKL: remove extraneous #include <smp_lock.h>")
removed the #include line that was the only thing that was surrounded by
the #ifdef/#endif.
So now that #ifdef is guarding nothing at all. Just remove it.
Reported-by: Byeong-ryeol Kim <brofkims@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Arnd Bergmann did an automated scripting run to find left-over instances
of <linux/smp_lock.h>, and had made it trigger it on the normal BKL use
of lock_kernel and unlock_lernel (and apparently release_kernel_lock and
reacquire_kernel_lock too, used by the scheduler).
That resulted in commit 451a3c24b013 ("BKL: remove extraneous #include
<smp_lock.h>").
However, hardirq.h was the only remaining user of the old
'kernel_locked()' interface, and Arnd's script hadn't checked for that.
So depending on your configuration and what header files had been
included, you would get errors like "implicit declaration of function
'kernel_locked'" during the build.
The right fix is not to just re-instate the smp_lock.h include - it is
to just remove 'kernel_locked()' entirely, since the only use was this
one special low-level detail. Just make hardirq.h do it directly.
In fact this simplifies and clarifies the code, because some trivial
analysis makes it clear that hardirq.h only ever used _one_ of the two
definitions of kernel_locked(), so we can remove the other one entirely.
Reported-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
Reported-and-acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The big kernel lock has been removed from all these files at some point,
leaving only the #include.
Remove this too as a cleanup.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There is an integer overflow in fb_set_user_cmap() because cmap->len * 2
can wrap. It's basically harmless. Your terminal will be messed up
until you type reset.
This patch does three things to fix the bug.
First, it checks the return value of fb_copy_cmap() in fb_alloc_cmap().
That is enough to fix address the overflow.
Second it checks for the integer overflow in fb_set_user_cmap().
Lastly I wanted to cap "cmap->len" in fb_set_user_cmap() much lower
because it gets used to determine the size of allocation. Unfortunately
no one knows what the limit should be. Instead what this patch does
is makes the allocation happen with GFP_KERNEL instead of GFP_ATOMIC
and lets the kmalloc() decide what values of cmap->len are reasonable.
To do this, the patch introduces a function called fb_alloc_cmap_gfp()
which is like fb_alloc_cmap() except that it takes a GFP flag.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
nfs: Ignore kmemleak false positive in nfs_readdir_make_qstr
SUNRPC: Simplify rpc_alloc_iostats by removing pointless local variable
nfs: trivial: remove unused nfs_wait_event macro
NFS: readdir shouldn't read beyond the reply returned by the server
NFS: Fix a couple of regressions in readdir.
Revert "NFSv4: Fall back to ordinary lookup if nfs4_atomic_open() returns EISDIR"
Regression: fix mounting NFS when NFSv3 support is not compiled
NLM: Fix a regression in lockd
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix cross-sched-class wakeup preemption
sched: Fix runnable condition for stoptask
sched: Use group weight, idle cpu metrics to fix imbalances during idle
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