- 20 4月, 2010 9 次提交
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由 Linus Torvalds 提交于
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由 Rik van Riel 提交于
The recent anon_vma fixes cause many anonymous pages to end up in the parent process anon_vma, even when the page is exclusively owned by the current process. Adding exclusively owned anonymous pages to the top anon_vma reduces rmap scanning overhead, especially in workloads with forking servers. This patch adds a parameter to __page_set_anon_rmap that can be used to indicate whether or not the added page is exclusively owned by the current process. Pages added through page_add_new_anon_rmap are exclusively owned by the current process, and can be added to the top anon_vma. Pages added through page_add_anon_rmap can be either shared or exclusively owned, so we do the conservative thing and add it to the oldest anon_vma. A next step would be to add the exclusive parameter to page_add_anon_rmap, to be used from functions where we do know for sure whether a page is exclusively owned. Signed-off-by: NRik van Riel <riel@redhat.com> Reviewed-by: NJohannes Weiner <hannes@cmpxchg.org> Lightly-tested-by: NBorislav Petkov <bp@alien8.de> Reviewed-by: NMinchan Kim <minchan.kim@gmail.com> [ Edited to look nicer - Linus ] Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6: eCryptfs: Turn lower lookup error messages into debug messages eCryptfs: Copy lower directory inode times and size on link ecryptfs: fix use with tmpfs by removing d_drop from ecryptfs_destroy_inode ecryptfs: fix error code for missing xattrs in lower fs eCryptfs: Decrypt symlink target for stat size eCryptfs: Strip metadata in xattr flag in encrypted view eCryptfs: Clear buffer before reading in metadata xattr eCryptfs: Rename ecryptfs_crypt_stat.num_header_bytes_at_front eCryptfs: Fix metadata in xattr feature regression
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由 Tyler Hicks 提交于
Vaugue warnings about ENAMETOOLONG errors when looking up an encrypted file name have caused many users to become concerned about their data. Since this is a rather harmless condition, I'm moving this warning to only be printed when the ecryptfs_verbosity module param is 1. Signed-off-by: NTyler Hicks <tyhicks@linux.vnet.ibm.com>
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由 Tyler Hicks 提交于
The timestamps and size of a lower inode involved in a link() call was being copied to the upper parent inode. Instead, we should be copying lower parent inode's timestamps and size to the upper parent inode. I discovered this bug using the POSIX test suite at Tuxera. Signed-off-by: NTyler Hicks <tyhicks@linux.vnet.ibm.com>
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由 Jeff Mahoney 提交于
Since tmpfs has no persistent storage, it pins all its dentries in memory so they have d_count=1 when other file systems would have d_count=0. ->lookup is only used to create new dentries. If the caller doesn't instantiate it, it's freed immediately at dput(). ->readdir reads directly from the dcache and depends on the dentries being hashed. When an ecryptfs mount is mounted, it associates the lower file and dentry with the ecryptfs files as they're accessed. When it's umounted and destroys all the in-memory ecryptfs inodes, it fput's the lower_files and d_drop's the lower_dentries. Commit 4981e081 added this and a d_delete in 2008 and several months later commit caeeeecf removed the d_delete. I believe the d_drop() needs to be removed as well. The d_drop effectively hides any file that has been accessed via ecryptfs from the underlying tmpfs since it depends on it being hashed for it to be accessible. I've removed the d_drop on my development node and see no ill effects with basic testing on both tmpfs and persistent storage. As a side effect, after ecryptfs d_drops the dentries on tmpfs, tmpfs BUGs on umount. This is due to the dentries being unhashed. tmpfs->kill_sb is kill_litter_super which calls d_genocide to drop the reference pinning the dentry. It skips unhashed and negative dentries, but shrink_dcache_for_umount_subtree doesn't. Since those dentries still have an elevated d_count, we get a BUG(). This patch removes the d_drop call and fixes both issues. This issue was reported at: https://bugzilla.novell.com/show_bug.cgi?id=567887Reported-by: NÁrpád Bíró <biroa@demasz.hu> Signed-off-by: NJeff Mahoney <jeffm@suse.com> Cc: Dustin Kirkland <kirkland@canonical.com> Cc: stable@kernel.org Signed-off-by: NTyler Hicks <tyhicks@linux.vnet.ibm.com>
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由 Christian Pulvermacher 提交于
If the lower file system driver has extended attributes disabled, ecryptfs' own access functions return -ENOSYS instead of -EOPNOTSUPP. This breaks execution of programs in the ecryptfs mount, since the kernel expects the latter error when checking for security capabilities in xattrs. Signed-off-by: NChristian Pulvermacher <pulvermacher@gmx.de> Cc: stable@kernel.org Signed-off-by: NTyler Hicks <tyhicks@linux.vnet.ibm.com>
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由 Tyler Hicks 提交于
Create a getattr handler for eCryptfs symlinks that is capable of reading the lower target and decrypting its path. Prior to this patch, a stat's st_size field would represent the strlen of the encrypted path, while readlink() would return the strlen of the decrypted path. This could lead to confusion in some userspace applications, since the two values should be equal. https://bugs.launchpad.net/bugs/524919Reported-by: NLoïc Minier <loic.minier@canonical.com> Cc: stable@kernel.org Signed-off-by: NTyler Hicks <tyhicks@linux.vnet.ibm.com>
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由 Linus Torvalds 提交于
Commit b91ecb00 ("gigaset: include cleanup cleanup") removed an implicit sched.h inclusion that came in via slab.h, and caused various compile problems as a result. This should fix it. Reported-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 19 4月, 2010 15 次提交
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由 Linus Torvalds 提交于
Merge branch 'core-fixes-for-linus' of 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: rcu: Make RCU lockdep check the lockdep_recursion variable rcu: Update docs for rcu_access_pointer and rcu_dereference_protected rcu: Better explain the condition parameter of rcu_dereference_check() rcu: Add rcu_access_pointer and rcu_dereference_protected
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: gigaset: include cleanup cleanup packet : remove init_net restriction WAN: flush tx_queue in hdlc_ppp to prevent panic on rmmod hw_driver. ip: Fix ip_dev_loopback_xmit() net: dev_pick_tx() fix fib: suppress lockdep-RCU false positive in FIB trie. tun: orphan an skb on tx forcedeth: fix tx limit2 flag check iwlwifi: work around bogus active chains detection
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6由 Linus Torvalds 提交于
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: add FireMV 2400 PCI ID. drm/radeon/kms: allow R500 regs VAP_ALT_NUM_VERTICES and VAP_INDEX_OFFSET drivers/gpu/radeon: Add MSPOS regs to safe list. drm/radeon/kms: disable the tv encoder when tv/cv is not in use drm/radeon/kms: adjust pll settings for tv drm/radeon/kms: fix tv dac conflict resolver drm/radeon/kms/evergreen: don't enable hdmi audio stuff drm/radeon/kms/atom: fix dual-link DVI on DCE3.2/4.0 drm/radeon/kms: fix rs600 tlb flush drm/radeon/kms: print GPU family and device id when loading drm/radeon/kms: fix calculation of mipmapped 3D texture sizes drm/radeon/kms: only change mode when coherent value changes. drm/radeon/kms: more atom parser fixes (v2)
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由 Linus Torvalds 提交于
* master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 5974/1: arm/mach-at91 Makefile: remove two blanks. ARM: 6052/1: kdump: make kexec work in interrupt context ARM: 6051/1: VFP: preserve the HW context when calling signal handlers ARM: 6050/1: VFP: fix the SMP versions of vfp_{sync,flush}_hwstate ARM: 6007/1: fix highmem with VIPT cache and DMA ARM: 5975/1: AT91 slow-clock suspend: don't wait when turning PLLs off
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由 Dave Airlie 提交于
This is an M24/X600 chip. From RH# 581927 cc: stable@kernel.org Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Paul E. McKenney 提交于
The lockdep facility temporarily disables lockdep checking by incrementing the current->lockdep_recursion variable. Such disabling happens in NMIs and in other situations where lockdep might expect to recurse on itself. This patch therefore checks current->lockdep_recursion, disabling RCU lockdep splats when this variable is non-zero. In addition, this patch removes the "likely()", as suggested by Lai Jiangshan. Reported-by: NFrederic Weisbecker <fweisbec@gmail.com> Reported-by: NDavid Miller <davem@davemloft.net> Tested-by: NFrederic Weisbecker <fweisbec@gmail.com> Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com Cc: eric.dumazet@gmail.com LKML-Reference: <20100415195039.GA22623@linux.vnet.ibm.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Marek Olšák 提交于
[airlied: fix V_A_N_V to not be safe and fix check to make sure only r500 - bump userspace version] Signed-off-by: NMarek Olšák <maraeo@gmail.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Corbin Simpson 提交于
Permits MSAA and D3D-style rasterization. [airlied: add rs600] Signed-off-by: NCorbin Simpson <MostAwesomeDude@gmail.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Alex Deucher 提交于
Switching between TV and VGA caused VGA to break on some systems since the TV encoder was left enabled when VGA was used. fixes fdo bug 25520. Signed-off-by: NAlex Deucher <alexdeucher@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Alex Deucher 提交于
May fix fdo bug 26582. Signed-off-by: NAlex Deucher <alexdeucher@gmail.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Alex Deucher 提交于
On systems with the tv dac shared between DVI and TV, we can only use the dac for one of the connectors. However, when using a digital monitor on the DVI port, you can use the dac for the TV connector just fine. Check the use_digital status when resolving the conflict. Fixes fdo bug 27649, possibly others. Signed-off-by: NAlex Deucher <alexdeucher@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Alex Deucher 提交于
Signed-off-by: NAlex Deucher <alexdeucher@gmail.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Alex Deucher 提交于
Got broken during the evergreen merge. Fixes fdo bug 27001. Signed-off-by: NAlex Deucher <alexdeucher@gmail.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Jerome Glisse 提交于
Typo in in flush leaded to no flush of the RS600 tlb which ultimately leaded to massive system ram corruption, with this patch everythings seems to work properly. Signed-off-by: NJerome Glisse <jglisse@redhat.com> Cc: stable <stable@kernel.org> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Jerome Glisse 提交于
This will help figuring out GPU when looking at bugs log. Signed-off-by: NJerome Glisse <jglisse@redhat.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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- 18 4月, 2010 4 次提交
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由 Tilman Schmidt 提交于
Commit 5a0e3ad6 causes slab.h to be included twice in many of the Gigaset driver's source files, first via the common include file gigaset.h and then a second time directly. Drop the spares, and use the opportunity to clean up a few more similar cases. Impact: cleanup, no functional change Signed-off-by: NTilman Schmidt <tilman@imap.cc> CC: Tejun Heo <tj@kernel.org> Acked-by: NTejun Heo <tj@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel: drm/i915: Ignore LVDS EDID when it is unavailabe or invalid drm/i915: Add no_lvds entry for the Clientron U800 drm/i915: Rename many remaining uses of "output" to encoder or connector. drm/i915: Rename intel_output to intel_encoder. agp/intel: intel_845_driver is an agp driver! drm/i915: introduce to_intel_bo helper drm/i915: Disable FBC on 915GM and 945GM.
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6由 Linus Torvalds 提交于
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI: EC: Limit burst to 64 bits
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git://oss.sgi.com/xfs/xfs由 Linus Torvalds 提交于
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: don't warn on EAGAIN in inode reclaim xfs: ensure that sync updates the log tail correctly
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- 17 4月, 2010 6 次提交
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由 Daniel Lezcano 提交于
The af_packet protocol is used by Perl to do ioctls as reported by Stephane Riviere: "Net::RawIP relies on SIOCGIFADDR et SIOCGIFHWADDR to get the IP and MAC addresses of the network interface." But in a new network namespace these ioctl fail because it is disabled for a namespace different from the init_net_ns. These two lines should not be there as af_inet and af_packet are namespace aware since a long time now. I suppose we forget to remove these lines because we sent the af_packet first, before af_inet was supported. Signed-off-by: NDaniel Lezcano <daniel.lezcano@free.fr> Reported-by: NStephane Riviere <stephane.riviere@regis-dgac.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Krzysztof Halasa 提交于
tx_queue is used as a temporary queue when not allowed to queue skb directly to the hw device driver (which may sleep). Most paths flush it before returning, but ppp_start() currently cannot. Make sure we don't leave skbs pointing to a non-existent device. Thanks to Michael Barkowski for reporting this problem. Signed-off-by: NKrzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Len Brown 提交于
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由 Alexey Starikovskiy 提交于
access_bit_width field is u8 in ACPICA, thus 256 value written to it becomes 0, causing divide by zero later. Proper fix would be to remove access_bit_width at all, just because we already have access_byte_width, which is access_bit_width / 8. Limit access width to 64 bit for now. https://bugzilla.kernel.org/show_bug.cgi?id=15749 fixes regression caused by the fix for: https://bugzilla.kernel.org/show_bug.cgi?id=14667Signed-off-by: NAlexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Dave Chinner 提交于
Any inode reclaim flush that returns EAGAIN will result in the inode reclaim being attempted again later. There is no need to issue a warning into the logs about this situation. Signed-off-by: NDave Chinner <dchinner@redhat.com> Reviewed-by: NAlex Elder <aelder@sgi.com> Signed-off-by: NAlex Elder <aelder@sgi.com>
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由 Dave Chinner 提交于
Updates to the VFS layer removed an extra ->sync_fs call into the filesystem during the sync process (from the quota code). Unfortunately the sync code was unknowingly relying on this call to make sure metadata buffers were flushed via a xfs_buftarg_flush() call to move the tail of the log forward in memory before the final transactions of the sync process were issued. As a result, the old code would write a very recent log tail value to the log by the end of the sync process, and so a subsequent crash would leave nothing for log recovery to do. Hence in qa test 182, log recovery only replayed a small handle for inode fsync transactions in this case. However, with the removal of the extra ->sync_fs call, the log tail was now not moved forward with the inode fsync transactions near the end of the sync procese the first (and only) buftarg flush occurred after these transactions went to disk. The result is that log recovery now sees a large number of transactions for metadata that is already on disk. This usually isn't a problem, but when the transactions include inode chunk allocation, the inode create transactions and all subsequent changes are replayed as we cannt rely on what is on disk is valid. As a result, if the inode was written and contains unlogged changes, the unlogged changes are lost, thereby violating sync semantics. The fix is to always issue a transaction after the buftarg flush occurs is the log iѕ not idle or covered. This results in a dummy transaction being written that contains the up-to-date log tail value, which will be very recent. Indeed, it will be at least as recent as the old code would have left on disk, so log recovery will behave exactly as it used to in this situation. Signed-off-by: NDave Chinner <dchinner@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NAlex Elder <aelder@sgi.com>
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- 16 4月, 2010 6 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] max63xx driver depends on ioremap() [WATCHDOG] max63xx: be careful when disabling the watchdog [WATCHDOG] fixed book E watchdog period register mask. [WATCHDOG] omap4: Fix WDT Kconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ASoC: imx-ssi: do not call hrtimer_disable in trigger function ALSA: hda - Add position_fix quirk for Biostar mobo ALSA: hda - add a quirk for Clevo M570U laptop ASoC: imx-ssi: increase minimum periods to 4 ALSA: hda - Avoid invalid "Independent HP" control for VIA codecs ALSA: hda - Fix control element allocations in VIA codec parser ALSA: aaci - Fix alignment faults on ARM Cortex introduced by commit 29a4f2d3 ALSA: hda - Add fix-up for Sony VAIO with ALC269 ALSA: hda - Enhance fix-up table for Realtek codecs ALSA: usb - Fix Oops after usb-midi disconnection ALSA: hda - Fix initial capture source connections of ALC880/260 ALSA: hda - Fix setup for ALC269vb amic and dmic models ALSA: hda - Fix auto-parser of ALC269vb for HP pin NID 0x21 ASoC: imx-ssi: Use a hrtimer in FIQ mode ASoC: imx-pcm-dma-mx2: restart DMA after an error ASoC: imx-ssi: honor IMX_SSI_DMA flag ASoC: wm2000: remove unused #include <linux/version.h> ALSA: hda: Add support for Medion WIM2160
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由 Geert Uytterhoeven 提交于
Correct fix for the "ioremap() causes build failure on S390" should have been a dependancy on HAS_IOMEM. So we add this dependancy also (and leave the driver in the ARM section for now). Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Marc Zyngier 提交于
When shutting down the watchdog timer, special care must be taken not to overwrite other bits in the register, as it may be shared with other peripherals. For example, on the Arcom Vulcan, the register is shared between the watchdog and the PCI reset line... Signed-off-by: NMarc Zyngier <maz@misterjones.org> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Luuk Paulussen 提交于
A previous fix changed the WDTP function to use the period directly, rather than subtracting from 63. However the mask generation was not changed, so the mask was coming out as 0. This patch fixes it. Signed-off-by: NLuuk Paulussen <luuk.paulussen@alliedtelesis.co.nz> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Santosh Shilimkar 提交于
This patch allows Watchdog timer to be selected for OMAP4 by fixing Kconfig entry Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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