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avoid over-eager large page splitup.
When the target area needs to be split or is split already (ioremap)
then the current code enforces the split of large mappings in the alias
regions even if we could avoid it.
Use a separate variable processed in the cpa_data structure to carry
the number of pages which have been processed instead of reusing the
numpages variable. This keeps numpages intact and gives the alias code
a chance to keep large mappings intact.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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delay the removal of this symbol export by one more kernel release,
giving external modules such as VirtualBox a chance to stop using it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Jan Beulich noticed it during code review that if a driver's ioremap()
fails (say due to -ENOMEM) then we might leak the struct vm_area.
Free it properly.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Priit Laes discovered that the sed command processing nm output was
sensitive to locale settings. This was addressed in commit
03994f01e8b72b3d01fd3d09d1cc7c9f421a727c by using [:alnum:] in place of
[a-zA-Z0-9].
But that solution too is locale-dependent and may not always match
the identifiers it needs to. The better fix is just to run sed et al
with a fixed locale setting in all builds.
Signed-off-by: Roland McGrath <roland@redhat.com>
CC: Priit Laes <plaes@plaes.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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a recent fix:
commit ce28b9864b853803320c3f1d8de1b81aa4120b14
Author: Thomas Gleixner <tglx@linutronix.de>
Date: Wed Feb 20 23:57:30 2008 +0100
x86: fix vsyscall wreckage
removed the broken /kernel/vsyscall64 handler completely.
This triggers the following debug check:
sysctl table check failed: /kernel/vsyscall64 No proc_handler
Restore the sane part of the proc handler.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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I recently stumbled upon a problem in the support for huge pages. If a
program using huge pages does not explicitly unmap them, they remain
mapped (and therefore, are lost) after the program exits.
I observed that the free huge page count in /proc/meminfo decreased when
running my program, and it did not increase after the program exited.
After running the program a few times, no more huge pages could be
allocated.
The reason for this seems to be that the x86 pmd_bad and pud_bad
consider pmd/pud entries having the PSE bit set invalid. I think there
is nothing wrong with this bit being set, it just indicates that the
lowest level of translation has been reached. This bit has to be (and
is) checked after the basic validity of the entry has been checked, like
in this fragment from follow_page() in mm/memory.c:
if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))
goto no_page_table;
if (pmd_huge(*pmd)) {
BUG_ON(flags & FOLL_GET);
page = follow_huge_pmd(mm, address, pmd, flags & FOLL_WRITE);
goto out;
}
Note that this code currently doesn't work as intended if the pmd refers
to a huge page, the pmd_huge() check can not be reached if the page is
huge.
Extending pmd_bad() (and, for future 1GB page support, pud_bad()) to
allow for the PSE bit being set fixes this. For similar reasons,
allowing the NX bit being set is necessary, too. I have seen huge pages
having the NX bit set in their pmd entry, which would cause the same
problem.
Signed-Off-By: Hans Rosenfeld <hans.rosenfeld@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Fix a kernel bug (vmware boot problem) reported by Tomasz Grobelny,
which occurs with certain .config variants and gccs.
The x86 TLS cleanup in commit efd1ca52d04d2f6df337a3332cee56cd60e6d4c4
made the sys_set_thread_area and sys_get_thread_area functions ripe for
tail call optimization. If the compiler chooses to use it for them, it
can clobber the user trap frame because these are asmlinkage functions.
Reported-by: Tomasz Grobelny <tomasz@grobelny.oswiecenia.net>
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/alsa-fix-2.6:
[ALSA] intel8x0 - Add quirk for Compaq Deskpro EN
[ALSA] hda-codec - Adapt eeepc p701 mixer for virtual master control
[ALSA] sound: ice1712: unused structs
[ALSA] ASoC: Fix WM9712 mixer_event DAPM widget function type
[ALSA] ASoC: Fix DAPM widget function types in pxa machine drivers
[ALSA] hda-codec - Fix mixer names of realtek codecs to adapt mater controls
[ALSA] intel8x0 - Add quirk for Acer Travelmate 2310
[ALSA] hda_intel - Add model quirk for Albatron KI690-AM2 motherboard
[ALSA] oxygen: add owner field
[ALSA] hda-codec - Add Fujitsu Lifebook E8410 to quirk table
[ALSA] hda-codec - Fix AD1988 capture elements
[ALSA] sb8: fix SB 1.0 capture DMA programming
[ALSA] usb-audio: add workaround for broken E-Mu frequency feedback
[ALSA] ASoC: Fix TLV320AIC3X PLL divider table for 64 kHz rate
[ALSA] hda-codec - Fix Master volume on HP dv8000
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git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
* 'avr32-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
avr32: Fix OCD refcounting bug
avr32: Call tick_nohz_{stop,restart}_sched_tick() in idle loop
avr32: Use correct config symbol in atstk1004 board code
avr32: Fix broken pte dump code in do_page_fault()
AVR32: Define PAGE_SHARED
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (35 commits)
Blackfin Serial Driver: Fix bug - Only insert UART rx char in timer task.
Blackfin Serial Driver: Fix bug - update tx dma buffer tail before wake up processes.
Blackfin Serial Driver: Fix bug - Increase buffer tail immediately before starting tx dma.
[Blackfin] serial driver: Add flow control support to bf54x
[Blackfin] serial driver: Fix bug Poll RTS/CTS status in DMA mode as well
[Blackfin] serial driver: ADSP-BF52x arch/mach support
[Blackfin] serial driver: use simpler comment headers and strip out information that is maintained in the scm's log
[Blackfin] serial driver: rework break flood anomaly handling to be more robust/realistic about what we can actually work around
[Blackfin] serial driver: fix bug - cache the bits of the LSR on systems where the LSR is read-to-clear
[Blackfin] serial driver: fix bug - should not wait for the TFI bit, just clear it when tx stop.
[Blackfin] serial driver: Fix bug serial driver in DMA mode spams history to console on shell restart
[Blackfin] serial driver: Fix bug Free rx dma buffer in shutdown.
[Blackfin] serial driver: Clean up UART DMA code.
Blackfin Serial driver: Fix bug - serial driver in PIO mode cant handle input very quickly
[Blackfin] arch: kill section mismatch warnings
[Blackfin] arch: handle the most common L1 shrinkage case (L1 does not exist for a part) so that any parts labeled for L1 instead get placed into external memory sections
[Blackfin] arch: add bfin_clear_PPIx_STATUS() helper funcs like we have for other parts
[Blackfin] arch: make sure we have proper description/copyright/license lines
[Blackfin] arch: Fix CONFIG_PM support for BF561
[Blackfin] arch: Remove DPMC char driver option
...
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* 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6:
[XFS] If you mount an XFS filesystem with no mount options at all, then
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This removes code duplication and makes __dec_zone_page_state look like
__inc_zone_page_state.
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
arch/sh/drivers/dma/dma-sh.c: Correct use of ! and &
serial: Move asm-sh/sci.h to linux/serial_sci.h.
sh: Fix up HAS_SR_RB typo in entry-macros.
maple: fix device detection
sh: fix rtc_resources setup for sh770x
sh: heartbeat: ioremap is expected to succeed
sh: Storage class should be before const qualifier
maple: remove unused variable
sh: SH5-103 needs to select CPU_SH5.
sh: Rename SH-3 CCR3 reg to avoid synclink_cs clash.
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (79 commits)
[X25]: Use proc_create() to setup ->proc_fops first
[WANROUTER]: Use proc_create() to setup ->proc_fops first
[8021Q]: Use proc_create() to setup ->proc_fops first
[IPV4]: Use proc_create() to setup ->proc_fops first
[IPV6]: Use proc_create() to setup ->proc_fops first
[SCTP]: Use proc_create() to setup ->proc_fops first
[PKTGEN]: Use proc_create() to setup ->proc_fops first
[NEIGHBOUR]: Use proc_create() to setup ->proc_fops first
[LLC]: Use proc_create() to setup ->proc_fops first
[IPX]: Use proc_create() to setup ->proc_fops first
[SUNRPC]: Use proc_create() to setup ->proc_fops first
[ATM]: Use proc_create() to setup ->proc_fops first
[SCTP]: Update AUTH structures to match declarations in draft-16.
[SCTP]: Incorrect length was used in SCTP_*_AUTH_CHUNKS socket option
[SCTP]: Clean up naming conventions of sctp protocol/address family registration
[APPLETALK]: Use proc_create() to setup ->proc_fops first
[BNX2X]: add bnx2x to MAINTAINERS
[BNX2X]: update version, remove CVS strings
[BNX2X]: Fix Xmit bugs
[BNX2X]: Prevent PCI queue overflow
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Adjust kernel PC validation test in fault handler.
[SPARC64]: Loosen checks in exception table handling.
[SPARC64]: Fix section mismatch from kernel_map_range
[SPARC64]: Fix section mismatchs from dr_cpu_data
[SPARC]: Fix build in arch/sparc/kernel/led.c
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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:
MAINTAINERS: neteffect update
RDMA/nes: Fix interrupt moderation low threshold
RDMA/nes: Fix CRC endianness for RDMA connection establishment on big-endian
RDMA/nes: Fix use-after-free in mini_cm_dec_refcnt_listen()
RDMA/nes: Fix use-after-free in nes_create_cq()
RDMA/nes: Fix a check-after-use in nes_probe()
RDMA/nes: Fix a memory leak in schedule_nes_timer()
RDMA/nes: Fix off-by-one
RDMA/nes: Resurrect error path dead code
RDMA/cxgb3: Fix shift calc in build_phys_page_list() for 1-entry page lists
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
ide: remove stale comments from ide-dma.c (take 2)
ide: remove ide-tape documentation from Documentation/ide.txt
qd65xx: remove commented out code
ide-tape: schedule driver for removal after 6 months
ide-disk: add missing printk() KERN_* levels
ide: fix sparse warning about shadowing 'flags' symbol
ide-cd: fix CD/DVD burning
ide-cd: fix 'ireason' handling for REQ_TYPE_ATA_PC requests
qd65xx: fix setup of QD6580 Control register
ide: skip probing port if "hdx=noprobe" was used for both devices on it
ide: remove redundant comment from ide_unregister()
hpt366: fix section mismatch warnings
ide-cd: Enable audio play quirk for Optiarc DVD RW AD-5200A drive
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Fix hpet_(un)register_irq_handler() for when CONFIG_HPET_EMULATE_RTC=n. They
are provided macros that substitute value 0, but if they are called as
functions and the return value isn't checked, the following warnings appear:
drivers/char/rtc.c: In function `rtc_init':
drivers/char/rtc.c:1063: warning: statement with no effect
drivers/char/rtc.c: In function `rtc_exit':
drivers/char/rtc.c:1157: warning: statement with no effect
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I overlooked the difference between __kernel_uid_t and uid_t when defining
struct compat_elf_prpsinfo. The result is a regression in 32-bit core
dumps on x86_64, where the NT_PRPSINFO note has the wrong size and layout.
This patch fixes it.
Signed-off-by: Roland McGrath <roland@redhat.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Added the ac97_quirk hp_only for Compaq Deskpro EN.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fix the line-out volume control of eeepc p701 to be a proper slave of
the virtual master control.
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Don't need to declare a struct when defining a structure layout. Both
of these structs are unused.
sound/pci/ice1712/revo.c:39:3: warning: symbol 'revo51' was not declared. Should it be static?
sound/pci/ice1712/phase.c:54:3: warning: symbol 'phase28' was not declared. Should it be static?
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add kcontrol argument to function since the API was changed by the commit
9af6d9562414568ecadf96aaef5b88e7e8b19821.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add kcontrol argument to functions since the API was changed by the commit
9af6d9562414568ecadf96aaef5b88e7e8b19821.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Some models like eeepc ep20 have invalid mixer names that aren't
handled properly by virtual master controls. Rename them to the
proper names.
Also fixed some typos in the mixer names but they are not compiled
in right now.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Added ac97_quirk=hp-only for Acer Travelmate 2310.
ALSA bug#3656
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3656
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This adds a quirk to the Realtek ALC883 table for the Albatron KI690-AM2
motherboard to use the 6stack-dig model.
Signed-off-by: Andrew Paprocki <andrew@ishiboo.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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I forgot to set the module owner for the HiFier/Xonar models.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add the proper model entry for Fujitsu Lifebook E8410 with ALC262 codec.
From: Tony Vroon <tony@linx.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The some indices of capture elements of AD1988 are wrongly assigned.
This patch fixes it. See ALSA bug#3795
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3795
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fix a wrong version check that would cause an invalid command to be sent
to SB 1.0 chips.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add a workaround for the feedback pipe of E-Mu 0202/0404 USB devices
that reports the number of samples per packet instead of the number of
samples per microframe.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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HP dv8000 laptop has a problem with Master volume. It's due to the
connection of the widget 0x13. When it's connected from the analog
amp mixer (0x19), it works as expected mysteriously (ALSA bug#3775):
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3775
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Because of the new futex validation init handler, we have
to accept faults in init section text as well as the normal
kernel text.
Thanks to Tom Callaway for the bug report.
Signed-off-by: David S. Miller <davem@davemloft.net>
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the "ikeep" option is set rather than "noikeep".
This regression was introduced in 970451.
With no mount options specified, xfs_parseargs() does the following:
int ikeep = 0;
args->flags |= XFSMNT_BARRIER;
args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
if (!options)
goto done;
It only sets the above two options by default and before, it also used to
set XFSMNT_IDELETE by default.
If options are specified, then
if (!(args->flags & XFSMNT_DMAPI) && !ikeep)
args->flags |= XFSMNT_IDELETE;
is executed later on which is skipped by the "goto done;" above.
The solution is to invert the logic.
SGI-PV: 977771
SGI-Modid: xfs-linux-melb:xfs-kern:30590a
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: Barry Naujok <bnaujok@sgi.com>
Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
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http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3910
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/vxy/lksctp-dev
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Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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