- 20 Apr, 2010 4 commits
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Linus Torvalds authored
Merge branch 'perf-fixes-for-linus' of 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 unsafe frame rewinding with hot regs fetching
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: delay vblank cleanup until after driver unload
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Christoph Hellwig authored
Before commit e28cbf22 ("improve sys_newuname() for compat architectures") 64-bit x86 had a private implementation of sys_uname which was just called sys_uname, which other architectures used for the old uname. Due to some merge issues with the uname refactoring patches we ended up calling the old uname version for both the old and new system call slots, which lead to the domainname filed never be set which caused failures with libnss_nis. Reported-and-tested-by:
Andy Isaacson <adi@hexapodia.org> Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jesse Barnes authored
Drivers may use vblank calls now (e.g. drm_vblank_off) in their unload paths, so don't clean up the vblank related structures until after driver unload. Signed-off-by:
Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by:
Kristian Høgsberg <krh@bitplanet.net> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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- 19 Apr, 2010 24 commits
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Linus Torvalds authored
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Rik van Riel authored
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:
Rik van Riel <riel@redhat.com> Reviewed-by:
Johannes Weiner <hannes@cmpxchg.org> Lightly-tested-by:
Borislav Petkov <bp@alien8.de> Reviewed-by:
Minchan Kim <minchan.kim@gmail.com> [ Edited to look nicer - Linus ] Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6Linus Torvalds authored
* '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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Tyler Hicks authored
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:
Tyler Hicks <tyhicks@linux.vnet.ibm.com>
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Tyler Hicks authored
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:
Tyler Hicks <tyhicks@linux.vnet.ibm.com>
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Jeff Mahoney authored
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:
Árpád Bíró <biroa@demasz.hu> Signed-off-by:
Jeff Mahoney <jeffm@suse.com> Cc: Dustin Kirkland <kirkland@canonical.com> Cc: stable@kernel.org Signed-off-by:
Tyler Hicks <tyhicks@linux.vnet.ibm.com>
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Christian Pulvermacher authored
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:
Christian Pulvermacher <pulvermacher@gmx.de> Cc: stable@kernel.org Signed-off-by:
Tyler Hicks <tyhicks@linux.vnet.ibm.com>
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Tyler Hicks authored
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:
Loïc Minier <loic.minier@canonical.com> Cc: stable@kernel.org Signed-off-by:
Tyler Hicks <tyhicks@linux.vnet.ibm.com>
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Linus Torvalds authored
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:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
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-2.6Linus Torvalds authored
* 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-2.6Linus Torvalds authored
* '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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Linus Torvalds authored
* 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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Dave Airlie authored
This is an M24/X600 chip. From RH# 581927 cc: stable@kernel.org Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Paul E. McKenney authored
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:
Frederic Weisbecker <fweisbec@gmail.com> Reported-by:
David Miller <davem@davemloft.net> Tested-by:
Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by:
Paul 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:
Ingo Molnar <mingo@elte.hu>
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Marek Olšák authored
[airlied: fix V_A_N_V to not be safe and fix check to make sure only r500 - bump userspace version] Signed-off-by:
Marek Olšák <maraeo@gmail.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Corbin Simpson authored
Permits MSAA and D3D-style rasterization. [airlied: add rs600] Signed-off-by:
Corbin Simpson <MostAwesomeDude@gmail.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Alex Deucher authored
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:
Alex Deucher <alexdeucher@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Alex Deucher authored
May fix fdo bug 26582. Signed-off-by:
Alex Deucher <alexdeucher@gmail.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Alex Deucher authored
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:
Alex Deucher <alexdeucher@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Alex Deucher authored
Signed-off-by:
Alex Deucher <alexdeucher@gmail.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Alex Deucher authored
Got broken during the evergreen merge. Fixes fdo bug 27001. Signed-off-by:
Alex Deucher <alexdeucher@gmail.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Jerome Glisse authored
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:
Jerome Glisse <jglisse@redhat.com> Cc: stable <stable@kernel.org> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Jerome Glisse authored
This will help figuring out GPU when looking at bugs log. Signed-off-by:
Jerome Glisse <jglisse@redhat.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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- 18 Apr, 2010 1 commit
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Tilman Schmidt authored
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:
Tilman Schmidt <tilman@imap.cc> CC: Tejun Heo <tj@kernel.org> Acked-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 17 Apr, 2010 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intelLinus Torvalds authored
* '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-2.6Linus Torvalds authored
* '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/xfsLinus Torvalds authored
* '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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- 16 Apr, 2010 8 commits
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Daniel Lezcano authored
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:
Daniel Lezcano <daniel.lezcano@free.fr> Reported-by:
Stephane Riviere <stephane.riviere@regis-dgac.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Krzysztof Halasa authored
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:
Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Len Brown authored
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Alexey Starikovskiy authored
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:
Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by:
Len Brown <len.brown@intel.com>
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Dave Chinner authored
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:
Dave Chinner <dchinner@redhat.com> Reviewed-by:
Alex Elder <aelder@sgi.com> Signed-off-by:
Alex Elder <aelder@sgi.com>
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Dave Chinner authored
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:
Dave Chinner <dchinner@redhat.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Alex Elder <aelder@sgi.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds authored
* 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-2.6Linus Torvalds authored
* '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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