- 27 May, 2012 4 commits
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Darrick J. Wong authored
Compute and verify revoke blocks inside the journal. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Calculate and verify a checksum covering the journal superblock. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Obtain a reference to the crc32c driver if needed for the v2 checksum. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Add in the necessary code so that journal clients can enable the new journal checksumming features. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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- 23 May, 2012 1 commit
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Darrick J. Wong authored
Define flags and allocate space in on-disk journal structures to support checksumming of journal metadata. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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- 21 May, 2012 1 commit
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Theodore Ts'o authored
Previously we were only enabling the 64-bit jbd2 feature if the number of blocks in the file system was greater 2**32-1. The problem with this is that it makes it harder to test the 64-bit journal code paths with small file systems, since a small test file system would with the 64-bit ext4 feature enable would use a 64-bit file system on-disk data structures, but use a 32-bit journal. This would also cause problems when trying to do an online resize to grow the filesystem above the 2**32-1 boundary. Fortunately the patch to support online resize for 64-bit file systems hasn't been merged yet, so this problem hasn't arisen in practice. Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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- 30 Apr, 2012 1 commit
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Theodore Ts'o authored
None of this function callers ever pass in a NULL inode pointer, so this check is unnecessary, and the else clause is dead code. (This change should make the code coverage people a little happier. :-) Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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- 29 Apr, 2012 21 commits
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Darrick J. Wong authored
Compute and verify a checksum for the MMP block. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
metadata_csum supersedes uninit_bg. Convert the ROCOMPAT uninit_bg flag check to a helper function that covers both, and make the checksum calculation algorithm use either crc16 or the metadata_csum chosen algorithm depending on which flag is set. Print a warning if we try to mount a filesystem with both feature flags set. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Calculate and verify the checksums of extended attribute blocks. This only applies to separate EA blocks that are pointed to by inode->i_file_acl (i.e. external EA blocks); the checksum lives in the EA header. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Calculate and verify the checksums for directory leaf blocks (i.e. blocks that only contain actual directory entries). The checksum lives in what looks to be an unused directory entry with a 0 name_len at the end of the block. This scheme is not used for internal htree nodes because the mechanism in place there only costs one dx_entry, whereas the "empty" directory entry would cost two dx_entries. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Calculate and verify the checksum for directory index tree (htree) node blocks. The checksum is stored in the last 4 bytes of the htree block and requires the dx_entry array to stop 1 dx_entry short of the end of the block. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Calculate and verify the checksum for each extent tree block. The checksum is located in the space immediately after the last possible ext4_extent in the block. The space is is typically the last 4-8 bytes in the block. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Compute and verify the checksum of the block bitmap; this checksum is stored in the block group descriptor. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Compute and verify the checksum of the inode bitmap; the checkum is stored in the block group descriptor. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
This patch introduces to ext4 the ability to calculate and verify inode checksums. This requires the use of a new ro compatibility flag and some accompanying e2fsprogs patches to provide the relevant features in tune2fs and e2fsck. The inode generation changes have been integrated into this patch. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Calculate and verify the superblock checksum. Since the UUID and block group number are embedded in each copy of the superblock, we need only checksum the entire block. Refactor some of the code to eliminate open-coding of the checksum update call. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Obtain a reference to the cryptoapi and crc32c if we mount a filesystem with metadata checksumming enabled. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Record the type of checksum algorithm we're using for metadata in the superblock, in case we ever want/need to change the algorithm. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Define flags and change structure definitions to allow checksumming of ext4 metadata. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Darrick J. Wong authored
Create a new BH_Verified flag to indicate that we've verified all the data in a buffer_head for correctness. This allows us to bypass expensive verification steps when they are not necessary without missing them when they are. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu>
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael J. Wysocki: "Fix for an issue causing hibernation to hang on systems with highmem (that practically means i386) due to broken memory management (bug introduced in 3.2, so -stable material) and PM documentation update making the freezer documentation follow the code again after some recent updates." * tag 'pm-for-3.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / Freezer / Docs: Update documentation about freezing of tasks PM / Hibernate: fix the number of pages used for hibernate/thaw buffering
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Linus Torvalds authored
The autofs packet size has had a very unfortunate size problem on x86: because the alignment of 'u64' differs in 32-bit and 64-bit modes, and because the packet data was not 8-byte aligned, the size of the autofsv5 packet structure differed between 32-bit and 64-bit modes despite looking otherwise identical (300 vs 304 bytes respectively). We first fixed that up by making the 64-bit compat mode know about this problem in commit a32744d4 ("autofs: work around unhappy compat problem on x86-64"), and that made a 32-bit 'systemd' work happily on a 64-bit kernel because everything then worked the same way as on a 32-bit kernel. But it turned out that 'automount' had actually known and worked around this problem in user space, so fixing the kernel to do the proper 32-bit compatibility handling actually *broke* 32-bit automount on a 64-bit kernel, because it knew that the packet sizes were wrong and expected those incorrect sizes. As a result, we ended up reverting that compatibility mode fix, and thus breaking systemd again, in commit fcbf94b9. With both automount and systemd doing a single read() system call, and verifying that they get *exactly* the size they expect but using different sizes, it seemed that fixing one of them inevitably seemed to break the other. At one point, a patch I seriously considered applying from Michael Tokarev did a "strcmp()" to see if it was automount that was doing the operation. Ugly, ugly. However, a prettier solution exists now thanks to the packetized pipe mode. By marking the communication pipe as being packetized (by simply setting the O_DIRECT flag), we can always just write the bigger packet size, and if user-space does a smaller read, it will just get that partial end result and the extra alignment padding will simply be thrown away. This makes both automount and systemd happy, since they now get the size they asked for, and the kernel side of autofs simply no longer needs to care - it could pad out the packet arbitrarily. Of course, if there is some *other* user of autofs (please, please, please tell me it ain't so - and we haven't heard of any) that tries to read the packets with multiple writes, that other user will now be broken - the whole point of the packetized mode is that one system call gets exactly one packet, and you cannot read a packet in pieces. Tested-by:
Michael Tokarev <mjt@tls.msk.ru> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: David Miller <davem@davemloft.net> Cc: Ian Kent <raven@themaw.net> Cc: Thomas Meyer <thomas@m3y3r.de> Cc: stable@kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Marcos Paulo de Souza authored
The file Documentation/power/freezing-of-tasks.txt was still referencing the TIF_FREEZE flag, that was removed by the commit d88e4cb6(freezer: remove now unused TIF_FREEZE). This patch removes all the references of TIF_FREEZE that were left behind. Signed-off-by:
Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by:
Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl>
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Linus Torvalds authored
The actual internal pipe implementation is already really about individual packets (called "pipe buffers"), and this simply exposes that as a special packetized mode. When we are in the packetized mode (marked by O_DIRECT as suggested by Alan Cox), a write() on a pipe will not merge the new data with previous writes, so each write will get a pipe buffer of its own. The pipe buffer is then marked with the PIPE_BUF_FLAG_PACKET flag, which in turn will tell the reader side to break the read at that boundary (and throw away any partial packet contents that do not fit in the read buffer). End result: as long as you do writes less than PIPE_BUF in size (so that the pipe doesn't have to split them up), you can now treat the pipe as a packet interface, where each read() system call will read one packet at a time. You can just use a sufficiently big read buffer (PIPE_BUF is sufficient, since bigger than that doesn't guarantee atomicity anyway), and the return value of the read() will naturally give you the size of the packet. NOTE! We do not support zero-sized packets, and zero-sized reads and writes to a pipe continue to be no-ops. Also note that big packets will currently be split at write time, but that the size at which that happens is not really specified (except that it's bigger than PIPE_BUF). Currently that limit is the system page size, but we might want to explicitly support bigger packets some day. The main user for this is going to be the autofs packet interface, allowing us to stop having to care so deeply about exact packet sizes (which have had bugs with 32/64-bit compatibility modes). But user space can create packetized pipes with "pipe2(fd, O_DIRECT)", which will fail with an EINVAL on kernels that do not support this interface. Tested-by:
Michael Tokarev <mjt@tls.msk.ru> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: David Miller <davem@davemloft.net> Cc: Ian Kent <raven@themaw.net> Cc: Thomas Meyer <thomas@m3y3r.de> Cc: stable@kernel.org # needed for systemd/autofs interaction fix Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging tree fixes from Greg Kroah-Hartman: "Here are some tiny drivers/staging/ bugfixes. Some build fixes that were recently reported, as well as one kfree bug that is hitting a number of users." * tag 'staging-3.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: ozwpan: Fix bug where kfree is called twice. staging: octeon-ethernet: fix build errors by including interrupt.h staging: zcache: fix Kconfig crypto dependency staging: tidspbridge: remove usage of OMAP2_L4_IO_ADDRESS
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg Kroah-Hartman: "Here are a number of small USB fixes for 3.4-rc5. Nothing major, as before, some USB gadget fixes. There's a crash fix for a number of ASUS laptops on resume that had been reported by a number of different people. We think the fix might also pertain to other machines, as this was a BIOS bug, and they seem to travel to different models and manufacturers quite easily. Other than that, some other reported problems fixed as well." * tag 'usb-3.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: gadget: udc-core: fix incompatibility with dummy-hcd usb: gadget: udc-core: fix wrong call order USB: cdc-wdm: fix race leading leading to memory corruption USB: EHCI: fix crash during suspend on ASUS computers usb gadget: uvc: uvc_request_data::length field must be signed usb: gadget: dummy: do not call pullup() on udc_stop() usb: musb: davinci.c: add missing unregister usb: musb: drop __deprecated flag USB: gadget: storage gadgets send wrong error code for unknown commands usb: otg: gpio_vbus: Add otg transceiver events and notifiers
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- 28 Apr, 2012 12 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs fixes from Chris Mason: "This has our collection of bug fixes. I missed the last rc because I thought our patches were making NFS crash during my xfs test runs. Turns out it was an NFS client bug fixed by someone else while I tried to bisect it. All of these fixes are small, but some are fairly high impact. The biggest are fixes for our mount -o remount handling, a deadlock due to GFP_KERNEL allocations in readdir, and a RAID10 error handling bug. This was tested against both 3.3 and Linus' master as of this morning." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (26 commits) Btrfs: reduce lock contention during extent insertion Btrfs: avoid deadlocks from GFP_KERNEL allocations during btrfs_real_readdir Btrfs: Fix space checking during fs resize Btrfs: fix block_rsv and space_info lock ordering Btrfs: Prevent root_list corruption Btrfs: fix repair code for RAID10 Btrfs: do not start delalloc inodes during sync Btrfs: fix that check_int_data mount option was ignored Btrfs: don't count CRC or header errors twice while scrubbing Btrfs: fix btrfs_ioctl_dev_info() crash on missing device btrfs: don't return EINTR Btrfs: double unlock bug in error handling Btrfs: always store the mirror we read the eb from fs/btrfs/volumes.c: add missing free_fs_devices btrfs: fix early abort in 'remount' Btrfs: fix max chunk size check in chunk allocator Btrfs: add missing read locks in backref.c Btrfs: don't call free_extent_buffer twice in iterate_irefs Btrfs: Make free_ipath() deal gracefully with NULL pointers Btrfs: avoid possible use-after-free in clear_extent_bit() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "Nothing controversial, just another batch of fixes: - Samsung/exynos fixes for more merge window fallout: build errors and warnings mostly, but also some clock/device setup issues on exynos4/5 - PXA bug and warning fixes related to gpio and pinmux - IRQ domain conversion bugfixes for U300 and MSM - A regulator setup fix for U300" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: PXA2xx: MFP: fix potential direction bug ARM: PXA2xx: MFP: fix bug with MFP_LPM_KEEP_OUTPUT arm/sa1100: fix sa1100-rtc memory resource ARM: pxa: fix gpio wakeup setting ARM: SAMSUNG: add missing MMC_CAP2_BROKEN_VOLTAGE capability ARM: EXYNOS: Fix compilation error when CONFIG_OF is not defined ARM: EXYNOS: Fix resource on dev-dwmci.c ARM: S3C24XX: Fix build warning for S3C2410_PM ARM: mini2440_defconfig: Fix build error ARM: msm: Fix gic irqdomain support ARM: EXYNOS: Fix incorrect initialization of GIC ARM: EXYNOS: use 'exynos4-sdhci' as device name for sdhci controllers ARM: u300: bump all IRQ numbers by one ARM: ux300: Fix unimplementable regulation constraints
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "As soon as I sent the non-urgent stack, two important fixes come in: - i915: fixes SNB GPU hangs in a number of 3D apps - radeon: initial fix for VGA on LLano system, 3 or 4 of us have spent time debugging this, and Jerome finally figured out the magic bit the BIOS/fglrx set that we didn't. This at least should get things working, there may be future reliability fixes." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/i915: Set the Stencil Cache eviction policy to non-LRA mode. drm/radeon/kms: need to set up ss on DP bridges as well
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Linus Torvalds authored
This reverts commit a32744d4. While that commit was technically the right thing to do, and made the x86-64 compat mode work identically to native 32-bit mode (and thus fixing the problem with a 32-bit systemd install on a 64-bit kernel), it turns out that the automount binaries had workarounds for this compat problem. Now, the workarounds are disgusting: doing an "uname()" to find out the architecture of the kernel, and then comparing it for the 64-bit cases and fixing up the size of the read() in automount for those. And they were confused: it's not actually a generic 64-bit issue at all, it's very much tied to just x86-64, which has different alignment for an 'u64' in 64-bit mode than in 32-bit mode. But the end result is that fixing the compat layer actually breaks the case of a 32-bit automount on a x86-64 kernel. There are various approaches to fix this (including just doing a "strcmp()" on current->comm and comparing it to "automount"), but I think that I will do the one that teaches pipes about a special "packet mode", which will allow user space to not have to care too deeply about the padding at the end of the autofs packet. That change will make the compat workaround unnecessary, so let's revert it first, and get automount working again in compat mode. The packetized pipes will then fix autofs for systemd. Reported-and-requested-by:
Michael Tokarev <mjt@tls.msk.ru> Cc: Ian Kent <raven@themaw.net> Cc: stable@kernel.org # for 3.3 Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Kenneth Graunke authored
Clearing bit 5 of CACHE_MODE_0 is necessary to prevent GPU hangs in OpenGL programs such as Google MapsGL, Google Earth, and gzdoom when using separate stencil buffers. Without it, the GPU tries to use the LRA eviction policy, which isn't supported. This was supposed to be off by default, but seems to be on for many machines. This cannot be done in gen6_init_clock_gating with most of the other workaround bits; the render ring needs to exist. Otherwise, the register write gets dropped on the floor (one printk will show it changed, but a second printk immediately following shows the value reverts to the old one). Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=47535 Cc: stable@vger.kernel.org Cc: Rob Castle <futuredub@gmail.com> Cc: Eric Appleman <erappleman@gmail.com> Cc: aaron667@gmx.net Cc: Keith Packard <keithp@keithp.com> Signed-off-by:
Kenneth Graunke <kenneth@whitecape.org> Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Alex Deucher authored
Makes Nutmeg DP to VGA bridges work for me. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=42490 Noticed by Jerome Glisse (after weeks of debugging). Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by:
Dave Airlie <airlied@redhat.com>
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull CIFS fixes from Steve French. * git://git.samba.org/sfrench/cifs-2.6: Use correct conversion specifiers in cifs_show_options CIFS: Show backupuid/gid in /proc/mounts cifs: fix offset handling in cifs_iovec_write
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Linus Torvalds authored
Merge tag 'stable/for-linus-3.4-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull Xen fixes from Konrad Rzeszutek Wilk: "Some of these had been in existence since the 2.6.27 days, some since 3.0 - and some due to new features added in v3.4. The one that is most interesting is David's one - in the low-level assembler code we had be checking events needlessly. With his patch now we do it when the appropriate flag is set - with the added benefit that we can process events faster. Stefano's is fixing a mistake where the Linux IRQ numbers were ACK-ed instead of the Xen IRQ, resulting in missing interrupts. The other ones are bootup related that can show up on various hardware." - In the low-level assembler code we would jump to check events even if none were present. This incorrect behavior had been there since 2.6.27 days! - When using the fast-path for ACK-ing interrupts we were using the Linux IRQ numbers instead of the Xen ones (and they can differ) and missing interrupts in process. - Fix bootup crashes when ACPI hotplug CPUs were present and they would expand past the set number of CPUs we were allocated. - Deal with broken BIOSes when uploading C-states to the hypervisor. - Disable the cpuid check for MWAIT_LEAF if the ACPI PAD driver is loaded. If the ACPI PAD driver is used it will crash, so lets not export the functionality so the ACPI PAD driver won't load. * tag 'stable/for-linus-3.4-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: correctly check for pending events when restoring irq flags xen/acpi: Workaround broken BIOSes exporting non-existing C-states. xen/smp: Fix crash when booting with ACPI hotplug CPUs. xen: use the pirq number to check the pirq_eoi_map xen/enlighten: Disable MWAIT_LEAF so that acpi-pad won't be loaded.
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git://git.secretlab.ca/git/linux-2.6Linus Torvalds authored
Pull misc SPI device driver bug fixes from Grant Likely. * tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6: spi/spi-bfin5xx: Fix flush of last bit after each spi transfer spi/spi-bfin5xx: fix reversed if condition in interrupt mode spi/spi_bfin_sport: drop bits_per_word from client data spi/bfin_spi: drop bits_per_word from client data spi/spi-bfin-sport: move word length setup to transfer handler spi/bfin5xx: rename config macro name for bfin5xx spi controller driver spi/pl022: Allow request for higher frequency than maximum possible spi/bcm63xx: set master driver mode_bits. spi/bcm63xx: don't use the stopping state spi/bcm63xx: convert to the pump message infrastructure spi/spi-ep93xx.c: use dma_transfer_direction instead of dma_data_direction spi: fix spi.h kernel-doc warning spi/pl022: Fix calculate_effective_freq() spi/pl022: Fix range checking for bits per word
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds authored
Pull hwmon patches from Guenter Roeck: - Fix build warning in ad7314 driver - Fix pci_device_id array access in fam15h_power driver, introduced by commit 00250ec9 ("hwmon: fam15h_power: fix bogus values with current BIOSes") * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (fam15h_power) Fix pci_device_id array hwmon: (ad7314) Fix build warning
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "For your Friday pull request stack, nothing astounding or shattering this week some exynos, some intel, some radeon fixes. One intel fix for a regression somwehere back in 2.6.35 land." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon/kms: use frac fb div on APUs drm/radeon: add a missing entry to encoder_names drm/i915: handle input/output sdvo timings separately in mode_set drm/i915: fix integer overflow in i915_gem_do_execbuffer() drm/i915: fix integer overflow in i915_gem_execbuffer2() drm/exynos: added missed vm area region mapping type. drm/exynos: fixed exynos_drm_gem_map_pages bug. drm/exynos: fixed duplicatd memory allocation bug. drm/i915: fixup load-detect on enabled, but not active pipe
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull RCU fix from Ingo Molnar. * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rcu: Permit call_rcu() from CPU_DYING notifiers
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