- 17 May, 2011 2 commits
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Randy Dunlap authored
Fix new kernel-doc warning in mm/page_alloc.c: Warning(mm/page_alloc.c:2370): No description found for parameter 'nid' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Yinghai Lu authored
During pci remove/rescan testing found: pci 0000:c0:03.0: PCI bridge to [bus c4-c9] pci 0000:c0:03.0: bridge window [io 0x1000-0x0fff] pci 0000:c0:03.0: bridge window [mem 0xf0000000-0xf00fffff] pci 0000:c0:03.0: bridge window [mem 0xfc180000000-0xfc197ffffff 64bit pref] pci 0000:c0:03.0: device not available (can't reserve [io 0x1000-0x0fff]) pci 0000:c0:03.0: Error enabling bridge (-22), continuing pci 0000:c0:03.0: enabling bus mastering pci 0000:c0:03.0: setting latency timer to 64 pcieport 0000:c0:03.0: device not available (can't reserve [io 0x1000-0x0fff]) pcieport: probe of 0000:c0:03.0 failed with error -22 This bug was caused by commit c8adf9a3 ("PCI: pre-allocate additional resources to devices only after successful allocation of essential resources.") After that commit, pci_hotplug_io_size is changed to additional_io_size from minium size. So it will not go through resource_size(res) != 0 path, and will not be reset. The root cause is: pci_bridge_check_ranges will set RESOURCE_IO flag for pci bridge, and later if children do not need IO resource. those bridge resources will not need to be allocated. but flags is still there. that will confuse the the pci_enable_bridges later. related code: static void assign_requested_resources_sorted(struct resource_list *head, struct resource_list_x *fail_head) { struct resource *res; struct resource_list *list; int idx; for (list = head->next; list; list = list->next) { res = list->res; idx = res - &list->dev->resource[0]; if (resource_size(res) && pci_assign_resource(list->dev, idx)) { ... reset_resource(res); } } } At last, We have to clear the flags in pbus_size_mem/io when requested size == 0 and !add_head. becasue this case it will not go through adjust_resources_sorted(). Just make size1 = size0 when !add_head. it will make flags get cleared. At the same time when requested size == 0, add_size != 0, will still have in head and add_list. because we do not clear the flags for it. After this, we will get right result: pci 0000:c0:03.0: PCI bridge to [bus c4-c9] pci 0000:c0:03.0: bridge window [io disabled] pci 0000:c0:03.0: bridge window [mem 0xf0000000-0xf00fffff] pci 0000:c0:03.0: bridge window [mem 0xfc180000000-0xfc197ffffff 64bit pref] pci 0000:c0:03.0: enabling bus mastering pci 0000:c0:03.0: setting latency timer to 64 pcieport 0000:c0:03.0: setting latency timer to 64 pcieport 0000:c0:03.0: irq 160 for MSI/MSI-X pcieport 0000:c0:03.0: Signaling PME through PCIe PME interrupt pci 0000:c4:00.0: Signaling PME through PCIe PME interrupt pcie_pme 0000:c0:03.0:pcie01: service driver pcie_pme loaded aer 0000:c0:03.0:pcie02: service driver aer loaded pciehp 0000:c0:03.0:pcie04: Hotplug Controller: v3: more simple fix. also fix one typo in pbus_size_mem Signed-off-by: Yinghai Lu <yinghai@kernel.org> Reviewed-by: Ram Pai <linuxram@us.ibm.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 16 May, 2011 3 commits
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Linus Torvalds authored
Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 * 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: OMAP3: set the core dpll clk rate in its set_rate function omap: iommu: Return IRQ_HANDLED in fault handler when no fault occured
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: Take lock around probes for drm_fb_helper_hotplug_event drm/i915: Revert i915.semaphore=1 default from 47ae63e0 vga_switcheroo: don't toggle-switch devices drm/radeon/kms: add some evergreen/ni safe regs drm/radeon/kms: fix extended lvds info parsing drm/radeon/kms: fix tiling reg on fusion
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Chris Wilson authored
We need to hold the dev->mode_config.mutex whilst detecting the output status. But we also need to drop it for the call into drm_fb_helper_single_fb_probe(), which indirectly acquires the lock when attaching the fbcon. Failure to do so exposes a race with normal output probing. Detected by adding some warnings that the mutex is held to the backend detect routines: [ 17.772456] WARNING: at drivers/gpu/drm/i915/intel_crt.c:471 intel_crt_detect+0x3e/0x373 [i915]() [ 17.772458] Hardware name: Latitude E6400 [ 17.772460] Modules linked in: .... [ 17.772582] Pid: 11, comm: kworker/0:1 Tainted: G W 2.6.38.4-custom.2 #8 [ 17.772584] Call Trace: [ 17.772591] [<ffffffff81046af5>] ? warn_slowpath_common+0x78/0x8c [ 17.772603] [<ffffffffa03f3e5c>] ? intel_crt_detect+0x3e/0x373 [i915] [ 17.772612] [<ffffffffa0355d49>] ? drm_helper_probe_single_connector_modes+0xbf/0x2af [drm_kms_helper] [ 17.772619] [<ffffffffa03534d5>] ? drm_fb_helper_probe_connector_modes+0x39/0x4d [drm_kms_helper] [ 17.772625] [<ffffffffa0354760>] ? drm_fb_helper_hotplug_event+0xa5/0xc3 [drm_kms_helper] [ 17.772633] [<ffffffffa035577f>] ? output_poll_execute+0x146/0x17c [drm_kms_helper] [ 17.772638] [<ffffffff81193c01>] ? cfq_init_queue+0x247/0x345 [ 17.772644] [<ffffffffa0355639>] ? output_poll_execute+0x0/0x17c [drm_kms_helper] [ 17.772648] [<ffffffff8105b540>] ? process_one_work+0x193/0x28e [ 17.772652] [<ffffffff8105c6bc>] ? worker_thread+0xef/0x172 [ 17.772655] [<ffffffff8105c5cd>] ? worker_thread+0x0/0x172 [ 17.772658] [<ffffffff8105c5cd>] ? worker_thread+0x0/0x172 [ 17.772663] [<ffffffff8105f767>] ? kthread+0x7a/0x82 [ 17.772668] [<ffffffff8100a724>] ? kernel_thread_helper+0x4/0x10 [ 17.772671] [<ffffffff8105f6ed>] ? kthread+0x0/0x82 [ 17.772674] [<ffffffff8100a720>] ? kernel_thread_helper+0x0/0x10 Reported-by: Frederik Himpe <fhimpe@telenet.be> References: https://bugs.freedesktop.org/show_bug.cgi?id=36394Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
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- 15 May, 2011 3 commits
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Andy Lutomirski authored
My Q67 / i7-2600 box has rev09 Sandy Bridge graphics. It hangs instantly when GNOME loads and it hangs so hard the reset button doesn't work. Setting i915.semaphore=0 fixes it. Semaphores were disabled in a1656b90 in 2.6.38 and were re-enabled by commit 47ae63e0 Merge: c59a333f 467cffba Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Mon Mar 7 12:32:44 2011 +0000 Merge branch 'drm-intel-fixes' into drm-intel-next Apply the trivial conflicting regression fixes, but keep GPU semaphores enabled. Conflicts: drivers/gpu/drm/i915/i915_drv.h drivers/gpu/drm/i915/i915_gem_execbuffer.c (It's worth noting that the offending change is i915_drv.c, which is not a conflict.) Signed-off-by: Andy Lutomirski <luto@mit.edu> Acked-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Florian Mickler authored
If the requested device is already active, ignore the request. This restores the original behaviour of the interface. The change was probably an unintended side effect of commit 66b37c67 vga_switcheroo: split switching into two stages which did not take into account to duplicate the !active check in the split-off stage2. Fix this by factoring that check out of stage1 into the debugfs_write routine. References: https://bugzilla.kernel.org/show_bug.cgi?id=34252Reported-by: Igor Murzov <e-mail@date.by> Tested-by: Igor Murzov <e-mail@date.by> Signed-off-by: Florian Mickler <florian@mickler.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix FS_IOC_SETFLAGS ioctl Btrfs: fix FS_IOC_GETFLAGS ioctl fs: remove FS_COW_FL Btrfs: fix easily get into ENOSPC in mixed case Prevent oopsing in posix_acl_valid()
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- 14 May, 2011 14 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: rbd: fix split bio handling rbd: fix leak of ops struct
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Li Zefan authored
Steps to reproduce the bug: - Call FS_IOC_SETLFAGS ioctl with flags=FS_COMPR_FL - Call FS_IOC_SETFLAGS ioctl with flags=0 - Call FS_IOC_GETFLAGS ioctl, and you'll see FS_COMPR_FL is still set! Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Li Zefan authored
As we've added per file compression/cow support. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Li Zefan authored
FS_COW_FL and FS_NOCOW_FL were newly introduced to control per file COW in btrfs, but FS_NOCOW_FL is sufficient. The fact is we don't have corresponding BTRFS_INODE_COW flag. COW is default, and FS_NOCOW_FL can be used to switch off COW for a single file. If we mount btrfs with nodatacow, a newly created file will be set with the FS_NOCOW_FL flag. So to turn on COW for it, we can just clear the FS_NOCOW_FL flag. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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liubo authored
When a btrfs disk is created by mixed data & metadata option, it will have no pure data or pure metadata space info. In btrfs's for-linus branch, commit 78b1ea13838039cd88afdd62519b40b344d6c920 (Btrfs: fix OOPS of empty filesystem after balance) initializes space infos at the very beginning. The problem is this initialization does not take the mixed case into account, which will cause btrfs will easily get into ENOSPC in mixed case. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Daniel J Blueman authored
If posix_acl_from_xattr() returns an error code, a negative address is dereferenced causing an oops; fix by checking for error code first. Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com> Reviewed-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-devLinus Torvalds authored
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: fix oops when LPM is used with PMP
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Hugh Dickins authored
Shame on me! Commit b1dea800 "tmpfs: fix race between umount and writepage" fixed the advertized race, but introduced another: as even its comment makes clear, we cannot safely rely on a peek at list_empty() while holding no lock - until info->swapped is set, shmem_unuse_inode() may delete any formerly-swapped inode from the shmem_swaplist, which in this case would leave a swap area impossible to swapoff. Although I don't relish taking the mutex every time, I don't care much for the alternatives either; and at least the peek at list_empty() in shmem_evict_inode() (a hotter path since most inodes would never have been swapped) remains safe, because we already truncated the whole file. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Tejun Heo authored
ae01b249 (libata: Implement ATA_FLAG_NO_DIPM and apply it to mcp65) added ATA_FLAG_NO_DIPM and made ata_eh_set_lpm() check the flag. However, @ap is NULL if @link points to a PMP link and thus the unconditional @ap->flags dereference leads to the following oops. BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 IP: [<ffffffff813f98e1>] ata_eh_recover+0x9a1/0x1510 ... Pid: 295, comm: scsi_eh_4 Tainted: P 2.6.38.5-core2 #1 System76, Inc. Serval Professional/Serval Professional RIP: 0010:[<ffffffff813f98e1>] [<ffffffff813f98e1>] ata_eh_recover+0x9a1/0x1510 RSP: 0018:ffff880132defbf0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff880132f40000 RCX: 0000000000000000 RDX: ffff88013377c000 RSI: ffff880132f40000 RDI: 0000000000000000 RBP: ffff880132defce0 R08: ffff88013377dc58 R09: ffff880132defd98 R10: 0000000000000000 R11: 00000000ffffffff R12: 0000000000000000 R13: 0000000000000000 R14: ffff88013377c000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8800bf700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000018 CR3: 0000000001a03000 CR4: 00000000000406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process scsi_eh_4 (pid: 295, threadinfo ffff880132dee000, task ffff880133b416c0) Stack: 0000000000000000 ffff880132defcc0 0000000000000000 ffff880132f42738 ffffffff813ee8f0 ffffffff813eefe0 ffff880132defd98 ffff88013377f190 ffffffffa00b3e30 ffffffff813ef030 0000000032defc60 ffff880100000000 Call Trace: [<ffffffff81400867>] sata_pmp_error_handler+0x607/0xc30 [<ffffffffa00b273f>] ahci_error_handler+0x1f/0x70 [libahci] [<ffffffff813faade>] ata_scsi_error+0x5be/0x900 [<ffffffff813cf724>] scsi_error_handler+0x124/0x650 [<ffffffff810834b6>] kthread+0x96/0xa0 [<ffffffff8100cd64>] kernel_thread_helper+0x4/0x10 Code: 8b 95 70 ff ff ff b8 00 00 00 00 48 3b 9a 10 2e 00 00 48 0f 44 c2 48 89 85 70 ff ff ff 48 8b 8d 70 ff ff ff f6 83 69 02 00 00 01 <48> 8b 41 18 0f 85 48 01 00 00 48 85 c9 74 12 48 8b 51 08 48 83 RIP [<ffffffff813f98e1>] ata_eh_recover+0x9a1/0x1510 RSP <ffff880132defbf0> CR2: 0000000000000018 Fix it by testing @link->ap->flags instead. stable: ATA_FLAG_NO_DIPM was added during 2.6.39 cycle but was backported to 2.6.37 and 38. This is a fix for that and thus also applicable to 2.6.37 and 38. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: "Nathan A. Mourey II" <nmoureyii@ne.rr.com> LKML-Reference: <1304555277.2059.2.camel@localhost.localdomain> Cc: Connor H <cmdkhh@gmail.com> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Linus Torvalds authored
* fbmem: Further fbcon sanity checking fbmem: fix remove_conflicting_framebuffers races
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Tejun Heo authored
This reverts commit 270dac35. The commits causes command timeouts on AC plug/unplug. It isn't yet clear why. As the commit was for a single rather obscure controller, revert the change for now. The problem was reported and bisected by Gu Rui in bug#34692. https://bugzilla.kernel.org/show_bug.cgi?id=34692 Also, reported by Rafael and Michael in the following thread. http://thread.gmane.org/gmane.linux.kernel/1138771Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Gu Rui <chaos.proton@gmail.com> Reported-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-by: Michael Leun <lkml20100708@newton.leun.net> Cc: Jian Peng <jipeng2005@gmail.com> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Bruno Prémont authored
This moves the if (num_registered_fb == FB_MAX) return -ENXIO; check _AFTER_ the call to do_remove_conflicting_framebuffers() as this would (now in a safe way) allow a native driver to replace the conflicting one even if all slots in registered_fb[] are taken. This also prevents unregistering a framebuffer that is no longer registered (vga16f will unregister at module unload time even if the frame buffer had been unregistered earlier due to being found conflicting). Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
When a register_framebuffer() call results in us removing old conflicting framebuffers, the new registration_lock doesn't protect that situation. And we can't just add the same locking to the function, because these functions call each other: register_framebuffer() calls remove_conflicting_framebuffers, which in turn calls unregister_framebuffer for any conflicting entry. In order to fix it, this just creates wrapper functions around all three functions and makes the versions that actually do the work be called "do_xxx()", leaving just the wrapper that gets the lock and calls the worker function. So the rule becomes simply that "do_xxxx()" has to be called with the lock held, and now do_register_framebuffer() can just call do_remove_conflicting_framebuffers(), and that in turn can call _do_unregister_framebuffer(), and there is no deadlock, and we can hold the registration lock over the whole sequence, fixing the races. It also makes error cases simpler, and fixes one situation where we would return from unregister_framebuffer() without releasing the lock, pointed out by Bruno Prémont. Tested-by: Bruno Prémont <bonbons@linux-vserver.org> Tested-by: Anca Emanuel <anca.emanuel@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6: alpha: Wire up syscalls new to 2.6.39 alpha: convert to clocksource_register_hz
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- 13 May, 2011 17 commits
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Michael Cree authored
Wire up the syscalls: name_to_handle_at open_by_handle_at clock_adjtime syncfs and adjust some whitespace in the neighbourhood to align commments. Signed-off-by: Michael Cree <mcree@orcon.net.nz> Signed-off-by: Matt Turner <mattst88@gmail.com>
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John Stultz authored
Converts alpha to use clocksource_register_hz. Signed-off-by: John Stultz <johnstul@us.ibm.com> CC: Richard Henderson <rth@twiddle.net> CC: Ivan Kokshaysky <ink@jurassic.park.msu.ru> CC: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Matt Turner <mattst88@gmail.com>
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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: bridge: fix forwarding of IPv6 bonding,llc: Fix structure sizeof incompatibility for some PDUs ipv6: restore correct ECN handling on TCP xmit ne-h8300: Fix regression caused during net_device_ops conversion hydra: Fix regression caused during net_device_ops conversion zorro8390: Fix regression caused during net_device_ops conversion sfc: Always map MCDI shared memory as uncacheable ehea: Fix memory hotplug oops libertas: fix cmdpendingq locking iwlegacy: fix IBSS mode crashes ath9k: Fix a warning due to a queued work during S3 state mac80211: don't start the dynamic ps timer if not associated
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git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds authored
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFSv4.1: Ensure that layoutget uses the correct gfp modes NFSv4.1: remove pnfs_layout_hdr from pnfs_destroy_all_layouts tmp_list NFSv41: Resend on NFS4ERR_RETRY_UNCACHED_REP
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Yehuda Sadeh authored
The rbd driver currently splits bios when they span an object boundary. However, the blk_end_request expects the completions to roll up the results in block device order, and the split rbd/ceph ops can complete in any order. This patch adds a struct rbd_req_coll to track completion of split requests and ensures that the results are passed back up to the block layer in order. This fixes errors where the file system gets completion of a read operation that spans an object boundary before the data has actually arrived. The bug is easily reproduced with iozone with a working set larger than available RAM. Reported-by: Fyodor Ustinov <ufm@ufm.su> Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
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Stephen Hemminger authored
The commit 6b1e960f bridge: Reset IPCB when entering IP stack on NF_FORWARD broke forwarding of IPV6 packets in bridge because it would call bp_parse_ip_options with an IPV6 packet. Reported-by: Noah Meyerhans <noahm@debian.org> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Andy Lutomirski authored
My Q67 / i7-2600 box has rev09 Sandy Bridge graphics. It hangs instantly when GNOME loads and it hangs so hard the reset button doesn't work. Setting i915.semaphore=0 fixes it. Semaphores were disabled in a1656b90 ("drm/i915: Disable GPU semaphores by default") in 2.6.38 but were then re-enabled (by mistake?) by the merge 47ae63e0 ("Merge branch 'drm-intel-fixes' into drm-intel-next"). (It's worth noting that the offending change is i915_drv.c, which was not marked as a conflict - although a 'git show --cc' on the merge does show that neither parent had it set to 1) Signed-off-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Vitalii Demianets authored
With some combinations of arch/compiler (e.g. arm-linux-gcc) the sizeof operator on structure returns value greater than expected. In cases when the structure is used for mapping PDU fields it may lead to unexpected results (such as holes and alignment problems in skb data). __packed prevents this undesired behavior. Signed-off-by: Vitalii Demianets <vitas@nppfactor.kiev.ua> Signed-off-by: David S. Miller <davem@davemloft.net>
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Linus Torvalds authored
It's a hot function, and we're better off not mixing types in the mask calculations. The compiler just ends up mixing 16-bit and 32-bit operations, for no good reason. So do everything in 'unsigned int' rather than mixing 'unsigned int' masking with a 'umode_t' (16-bit) mode variable. This, together with the parent commit (47a150ed: "Cache user_ns in struct cred") makes acl_permission_check() much nicer. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Serge E. Hallyn authored
If !CONFIG_USERNS, have current_user_ns() defined to (&init_user_ns). Get rid of _current_user_ns. This requires nsown_capable() to be defined in capability.c rather than as static inline in capability.h, so do that. Request_key needs init_user_ns defined at current_user_ns if !CONFIG_USERNS, so forward-declare that in cred.h if !CONFIG_USERNS at current_user_ns() define. Compile-tested with and without CONFIG_USERNS. Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com> [ This makes a huge performance difference for acl_permission_check(), up to 30%. And that is one of the hottest kernel functions for loads that are pathname-lookup heavy. ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Avinash H.M authored
The debug l3_ick/rate is not displaying the actual rate of the clock in hardware. This is because, the core dpll set_rate function doesn't update the clk.rate. After fixing, the l3_ick/rate is displaying proper values. Signed-off-by: Shweta Gulati <shweta.gulati@ti.com> Signed-off-by: Avinash.H.M <avinashhm@ti.com> Cc: Rajendra Nayak <rnayak@ti.com> Cc: Paul Wamsley <paul@pwsan.com> Acked-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Alex Deucher authored
need to programmed from the userspace drivers. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Alex Deucher authored
On rev <= 1.1 tables, the offset is absolute, on newer tables, it's relative. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=700326Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
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Alex Deucher authored
The location of MC_ARB_RAMCFG changed on fusion. I've diffed all the other regs in evergreend.h and this is the only other reg that changed. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Sage Weil authored
The ops vector must be freed by the rbd_do_request caller. Signed-off-by: Sage Weil <sage@newdream.net>
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Linus Torvalds authored
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: SELinux: delete debugging printks from filename_trans rule processing
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fsLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: net/9p/protocol.c: Fix a memory leak
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- 12 May, 2011 1 commit
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git://git.fluff.org/bjdooks/linuxLinus Torvalds authored
* 'for-2639-rc7/i2c-fixes' of git://git.fluff.org/bjdooks/linux: i2c: pnx: Fix crash due to wrong init of timer->data
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