- 29 10月, 2011 17 次提交
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git://github.com/rustyrussell/linux由 Linus Torvalds 提交于
* git://github.com/rustyrussell/linux: lguest: move process freezing before pending signals check lguest: don't allow KVM-detection cpuid. lguest: Allow running under paravirt-enabled KVM.
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git://git.secretlab.ca/git/linux-2.6由 Linus Torvalds 提交于
* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6: ARM: mark empty gpio.h files empty gpio: Fix ARM versatile-express build failure of: include errno.h
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git://git.secretlab.ca/git/linux-2.6由 Linus Torvalds 提交于
* 'spi/next' of git://git.secretlab.ca/git/linux-2.6: drivercore: Add helper macro for platform_driver boilerplate spi: irq: Remove IRQF_DISABLED OMAP: SPI: Fix the trying to free nonexistent resource error spi/spi-ep93xx: add module.h include spi/tegra: fix compilation error in spi-tegra.c spi: spi-dw: fix all sparse warnings spi/spi-pl022: Call pl022_dma_remove(pl022) only if enable_dma is true spi/spi-pl022: calculate_effective_freq() must set rate <= requested rate spi/spi-pl022: Don't allocate more sg than required. spi/spi-pl022: Use GFP_ATOMIC for allocation from tasklet spi/spi-pl022: Resolve formatting issues
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git://git.secretlab.ca/git/linux-2.6由 Linus Torvalds 提交于
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6: h8300: Move gpio.h to gpio-internal.h gpio: pl061: add DT binding support gpio: fix build error in include/asm-generic/gpio.h gpiolib: Ensure struct gpio is always defined irq: Add EXPORT_SYMBOL_GPL to function of irq generic-chip gpio-ml-ioh: Use NUMA_NO_NODE not GFP_KERNEL gpio-pch: Use NUMA_NO_NODE not GFP_KERNEL gpio: langwell: ensure alternate function is cleared gpio-pch: Support interrupt function gpio-pch: Save register value in suspend() gpio-pch: modify gpio_nums and mask gpio-pch: support ML7223 IOH n-Bus gpio-pch: add spinlock in suspend/resume processing gpio-pch: Delete invalid "restore" code in suspend() gpio-ml-ioh: Fix suspend/resume issue gpio-ml-ioh: Support interrupt function gpio-ml-ioh: Delete unnecessary code gpio/mxc: add chained_irq_enter/exit() to mx3_gpio_irq_handler() gpio/nomadik: use genirq core to track enablement gpio/nomadik: disable clocks when unused
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由 Linus Walleij 提交于
It is generally a better idea to make intentionally empty files contain the human-readable /* empty */ comment, also it makes the files play nice with "make distclean". Reported-by: NJeff Garzik <jeff@garzik.org> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Acked-by: NJeff Garzik <jeff@garzik.org> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Grant Likely 提交于
A missing mach/gpio.h prevents building gpiolib on versatile express. CC drivers/gpio/gpiolib.o In file included from /.../linux/include/linux/gpio.h:18:0, from /.../linux/drivers/gpio/gpiolib.c:10: /.../linux/arch/arm/include/asm/gpio.h:5:23: fatal error: mach/gpio.h: No such file or directory compilation terminated. make[3]: *** [drivers/gpio/gpiolib.o] Error 1 make[2]: *** [drivers/gpio] Error 2 make[1]: *** [drivers] Error 2 make: *** [sub-make] Error 2 Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Kalle Valo 提交于
When compiling ath6kl for beagleboard (omap2plus_defconfig plus CONFIG_ATH6KL, CONFIG_OF disable) with current linux-next compilation fails: include/linux/of.h:269: error: 'ENOSYS' undeclared (first use in this function) include/linux/of.h:276: error: 'ENOSYS' undeclared (first use in this function) include/linux/of.h:289: error: 'ENOSYS' undeclared (first use in this function) Fix this by including errno.h from of.h. Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com> Acked-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (204 commits) [SCSI] qla4xxx: export address/port of connection (fix udev disk names) [SCSI] ipr: Fix BUG on adapter dump timeout [SCSI] megaraid_sas: Fix instance access in megasas_reset_timer [SCSI] hpsa: change confusing message to be more clear [SCSI] iscsi class: fix vlan configuration [SCSI] qla4xxx: fix data alignment and use nl helpers [SCSI] iscsi class: fix link local mispelling [SCSI] iscsi class: Replace iscsi_get_next_target_id with IDA [SCSI] aacraid: use lower snprintf() limit [SCSI] lpfc 8.3.27: Change driver version to 8.3.27 [SCSI] lpfc 8.3.27: T10 additions for SLI4 [SCSI] lpfc 8.3.27: Fix queue allocation failure recovery [SCSI] lpfc 8.3.27: Change algorithm for getting physical port name [SCSI] lpfc 8.3.27: Changed worst case mailbox timeout [SCSI] lpfc 8.3.27: Miscellanous logic and interface fixes [SCSI] megaraid_sas: Changelog and version update [SCSI] megaraid_sas: Add driver workaround for PERC5/1068 kdump kernel panic [SCSI] megaraid_sas: Add multiple MSI-X vector/multiple reply queue support [SCSI] megaraid_sas: Add support for MegaRAID 9360/9380 12GB/s controllers [SCSI] megaraid_sas: Clear FUSION_IN_RESET before enabling interrupts ...
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git://ceph.newdream.net/git/ceph-client由 Linus Torvalds 提交于
* 'for-linus' of git://ceph.newdream.net/git/ceph-client: libceph: fix double-free of page vector ceph: fix 32-bit ino numbers libceph: force resend of osd requests if we skip an osdmap ceph: use kernel DNS resolver ceph: fix ceph_monc_init memory leak ceph: let the set_layout ioctl set single traits Revert "ceph: don't truncate dirty pages in invalidate work thread" ceph: replace leading spaces with tabs libceph: warn on msg allocation failures libceph: don't complain on msgpool alloc failures libceph: always preallocate mon connection libceph: create messenger with client ceph: document ioctls ceph: implement (optional) max read size ceph: rename rsize -> rasize ceph: make readpages fully async
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (549 commits) ALSA: hda - Fix ADC input-amp handling for Cx20549 codec ALSA: hda - Keep EAPD turned on for old Conexant chips ALSA: hda/realtek - Fix missing volume controls with ALC260 ASoC: wm8940: Properly set codec->dapm.bias_level ALSA: hda - Fix pin-config for ASUS W90V ALSA: hda - Fix surround/CLFE headphone and speaker pins order ALSA: hda - Fix typo ALSA: Update the sound git tree URL ALSA: HDA: Add new revision for ALC662 ASoC: max98095: Convert codec->hw_write to snd_soc_write ASoC: keep pointer to resource so it can be freed ASoC: sgtl5000: Fix wrong mask in some snd_soc_update_bits calls ASoC: wm8996: Fix wrong mask for setting WM8996_AIF_CLOCKING_2 ASoC: da7210: Add support for line out and DAC ASoC: da7210: Add support for DAPM ALSA: hda/realtek - Fix DAC assignments of multiple speakers ASoC: Use SGTL5000_LINREG_VDDD_MASK instead of hardcoded mask value ASoC: Set sgtl5000->ldo in ldo_regulator_register ASoC: wm8996: Use SND_SOC_DAPM_AIF_OUT for AIF2 Capture ASoC: wm8994: Use SND_SOC_DAPM_AIF_OUT for AIF3 Capture ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci由 Linus Torvalds 提交于
* 'next-rebase' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: PCI: Clean-up MPS debug output pci: Clamp pcie_set_readrq() when using "performance" settings PCI: enable MPS "performance" setting to properly handle bridge MPS PCI: Workaround for Intel MPS errata PCI: Add support for PASID capability PCI: Add implementation for PRI capability PCI: Export ATS functions to modules PCI: Move ATS implementation into own file PCI / PM: Remove unnecessary error variable from acpi_dev_run_wake() PCI hotplug: acpiphp: Prevent deadlock on PCI-to-PCI bridge remove PCI / PM: Extend PME polling to all PCI devices PCI quirk: mmc: Always check for lower base frequency quirk for Ricoh 1180:e823 PCI: Make pci_setup_bridge() non-static for use by arch code x86: constify PCI raw ops structures PCI: Add quirk for known incorrect MPSS PCI: Add Solarflare vendor ID and SFC4000 device IDs
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (83 commits) mmc: fix compile error when CONFIG_BLOCK is not enabled mmc: core: Cleanup eMMC4.5 conditionals mmc: omap_hsmmc: if multiblock reads are broken, disable them mmc: core: add workaround for controllers with broken multiblock reads mmc: core: Prevent too long response times for suspend mmc: recognise SDIO cards with SDIO_CCCR_REV 3.00 mmc: sd: Handle SD3.0 cards not supporting UHS-I bus speed mode mmc: core: support HPI send command mmc: core: Add cache control for eMMC4.5 device mmc: core: Modify the timeout value for writing power class mmc: core: new discard feature support at eMMC v4.5 mmc: core: mmc sanitize feature support for v4.5 mmc: dw_mmc: modify DATA register offset mmc: sdhci-pci: add flag for devices that can support runtime PM mmc: omap_hsmmc: ensure pbias configuration is always done mmc: core: Add Power Off Notify Feature eMMC 4.5 mmc: sdhci-s3c: fix potential NULL dereference mmc: replace printk with appropriate display macro mmc: core: Add default timeout value for CMD6 mmc: sdhci-pci: add runtime pm support ...
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由 Linus Torvalds 提交于
Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm * 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (178 commits) ARM: 7139/1: fix compilation with CONFIG_ARM_ATAG_DTB_COMPAT and large TEXT_OFFSET ARM: gic, local timers: use the request_percpu_irq() interface ARM: gic: consolidate PPI handling ARM: switch from NO_MACH_MEMORY_H to NEED_MACH_MEMORY_H ARM: mach-s5p64x0: remove mach/memory.h ARM: mach-s3c64xx: remove mach/memory.h ARM: plat-mxc: remove mach/memory.h ARM: mach-prima2: remove mach/memory.h ARM: mach-zynq: remove mach/memory.h ARM: mach-bcmring: remove mach/memory.h ARM: mach-davinci: remove mach/memory.h ARM: mach-pxa: remove mach/memory.h ARM: mach-ixp4xx: remove mach/memory.h ARM: mach-h720x: remove mach/memory.h ARM: mach-vt8500: remove mach/memory.h ARM: mach-s5pc100: remove mach/memory.h ARM: mach-tegra: remove mach/memory.h ARM: plat-tcc: remove mach/memory.h ARM: mach-mmp: remove mach/memory.h ARM: mach-cns3xxx: remove mach/memory.h ... Fix up mostly pretty trivial conflicts in: - arch/arm/Kconfig - arch/arm/include/asm/localtimer.h - arch/arm/kernel/Makefile - arch/arm/mach-shmobile/board-ap4evb.c - arch/arm/mach-u300/core.c - arch/arm/mm/dma-mapping.c - arch/arm/mm/proc-v7.S - arch/arm/plat-omap/Kconfig largely due to some CONFIG option renaming (ie CONFIG_PM_SLEEP -> CONFIG_ARM_CPU_SUSPEND for the arm-specific suspend code etc) and addition of NEED_MACH_MEMORY_H next to HAVE_IDE.
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git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue由 Linus Torvalds 提交于
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue: (21 commits) leases: fix write-open/read-lease race nfs: drop unnecessary locking in llseek ext4: replace cut'n'pasted llseek code with generic_file_llseek_size vfs: add generic_file_llseek_size vfs: do (nearly) lockless generic_file_llseek direct-io: merge direct_io_walker into __blockdev_direct_IO direct-io: inline the complete submission path direct-io: separate map_bh from dio direct-io: use a slab cache for struct dio direct-io: rearrange fields in dio/dio_submit to avoid holes direct-io: fix a wrong comment direct-io: separate fields only used in the submission path from struct dio vfs: fix spinning prevention in prune_icache_sb vfs: add a comment to inode_permission() vfs: pass all mask flags check_acl and posix_acl_permission vfs: add hex format for MAY_* flag values vfs: indicate that the permission functions take all the MAY_* flags compat: sync compat_stats with statfs. vfs: add "device" tag to /proc/self/mountstats cleanup: vfs: small comment fix for block_invalidatepage ... Fix up trivial conflict in fs/gfs2/file.c (llseek changes)
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http://sucs.org/~rohan/git/gfs2-3.0-nmw由 Linus Torvalds 提交于
* http://sucs.org/~rohan/git/gfs2-3.0-nmw: (24 commits) GFS2: Move readahead of metadata during deallocation into its own function GFS2: Remove two unused variables GFS2: Misc fixes GFS2: rewrite fallocate code to write blocks directly GFS2: speed up delete/unlink performance for large files GFS2: Fix off-by-one in gfs2_blk2rgrpd GFS2: Clean up ->page_mkwrite GFS2: Correctly set goal block after allocation GFS2: Fix AIL flush issue during fsync GFS2: Use cached rgrp in gfs2_rlist_add() GFS2: Call do_strip() directly from recursive_scan() GFS2: Remove obsolete assert GFS2: Cache the most recently used resource group in the inode GFS2: Make resource groups "append only" during life of fs GFS2: Use rbtree for resource groups and clean up bitmap buffer ref count scheme GFS2: Fix lseek after SEEK_DATA, SEEK_HOLE have been added GFS2: Clean up gfs2_create GFS2: Use ->dirty_inode() GFS2: Fix bug trap and journaled data fsync GFS2: Fix inode allocation error path ...
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git://git.samba.org/sfrench/cifs-2.6由 Linus Torvalds 提交于
* '3.2-without-smb2' of git://git.samba.org/sfrench/cifs-2.6: (52 commits) Fix build break when freezer not configured Add definition for share encryption CIFS: Make cifs_push_locks send as many locks at once as possible CIFS: Send as many mandatory unlock ranges at once as possible CIFS: Implement caching mechanism for posix brlocks CIFS: Implement caching mechanism for mandatory brlocks CIFS: Fix DFS handling in cifs_get_file_info CIFS: Fix error handling in cifs_readv_complete [CIFS] Fixup trivial checkpatch warning [CIFS] Show nostrictsync and noperm mount options in /proc/mounts cifs, freezer: add wait_event_freezekillable and have cifs use it cifs: allow cifs_max_pending to be readable under /sys/module/cifs/parameters cifs: tune bdi.ra_pages in accordance with the rsize cifs: allow for larger rsize= options and change defaults cifs: convert cifs_readpages to use async reads cifs: add cifs_async_readv cifs: fix protocol definition for READ_RSP cifs: add a callback function to receive the rest of the frame cifs: break out 3rd receive phase into separate function cifs: find mid earlier in receive codepath ...
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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: (69 commits) xfs: add AIL pushing tracepoints xfs: put in missed fix for merge problem xfs: do not flush data workqueues in xfs_flush_buftarg xfs: remove XFS_bflush xfs: remove xfs_buf_target_name xfs: use xfs_ioerror_alert in xfs_buf_iodone_callbacks xfs: clean up xfs_ioerror_alert xfs: clean up buffer allocation xfs: remove buffers from the delwri list in xfs_buf_stale xfs: remove XFS_BUF_STALE and XFS_BUF_SUPER_STALE xfs: remove XFS_BUF_SET_VTYPE and XFS_BUF_SET_VTYPE_REF xfs: remove XFS_BUF_FINISH_IOWAIT xfs: remove xfs_get_buftarg_list xfs: fix buffer flushing during unmount xfs: optimize fsync on directories xfs: reduce the number of log forces from tail pushing xfs: Don't allocate new buffers on every call to _xfs_buf_find xfs: simplify xfs_trans_ijoin* again xfs: unlock the inode before log force in xfs_change_file_space xfs: unlock the inode before log force in xfs_fs_nfs_commit_metadata ...
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- 28 10月, 2011 23 次提交
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由 J. Bruce Fields 提交于
In setlease, we use i_writecount to decide whether we can give out a read lease. In open, we break leases before incrementing i_writecount. There is therefore a window between the break lease and the i_writecount increment when setlease could add a new read lease. This would leave us with a simultaneous write open and read lease, which shouldn't happen. Signed-off-by: NJ. Bruce Fields <bfields@redhat.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
This makes NFS follow the standard generic_file_llseek locking scheme. Cc: Trond.Myklebust@netapp.com Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
This gives ext4 the benefits of unlocked llseek. Cc: tytso@mit.edu Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
Add a generic_file_llseek variant to the VFS that allows passing in the maximum file size of the file system, instead of always using maxbytes from the superblock. This can be used to eliminate some cut'n'paste seek code in ext4. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
The i_mutex lock use of generic _file_llseek hurts. Independent processes accessing the same file synchronize over a single lock, even though they have no need for synchronization at all. Under high utilization this can cause llseek to scale very poorly on larger systems. This patch does some rethinking of the llseek locking model: First the 64bit f_pos is not necessarily atomic without locks on 32bit systems. This can already cause races with read() today. This was discussed on linux-kernel in the past and deemed acceptable. The patch does not change that. Let's look at the different seek variants: SEEK_SET: Doesn't really need any locking. If there's a race one writer wins, the other loses. For 32bit the non atomic update races against read() stay the same. Without a lock they can also happen against write() now. The read() race was deemed acceptable in past discussions, and I think if it's ok for read it's ok for write too. => Don't need a lock. SEEK_END: This behaves like SEEK_SET plus it reads the maximum size too. Reading the maximum size would have the 32bit atomic problem. But luckily we already have a way to read the maximum size without locking (i_size_read), so we can just use that instead. Without i_mutex there is no synchronization with write() anymore, however since the write() update is atomic on 64bit it just behaves like another racy SEEK_SET. On non atomic 32bit it's the same as SEEK_SET. => Don't need a lock, but need to use i_size_read() SEEK_CUR: This has a read-modify-write race window on the same file. One could argue that any application doing unsynchronized seeks on the same file is already broken. But for the sake of not adding a regression here I'm using the file->f_lock to synchronize this. Using this lock is much better than the inode mutex because it doesn't synchronize between processes. => So still need a lock, but can use a f_lock. This patch implements this new scheme in generic_file_llseek. I dropped generic_file_llseek_unlocked and changed all callers. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
This doesn't change anything for the compiler, but hch thought it would make the code clearer. I moved the reference counting into its own little inline. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Acked-by: NJeff Moyer <jmoyer@redhat.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
Add inlines to all the submission path functions. While this increases code size it also gives gcc a lot of optimization opportunities in this critical hotpath. In particular -- together with some other changes -- this allows gcc to get rid of the unnecessary clearing of sdio at the beginning and optimize the messy parameter passing. Any non inlining of a function which takes a sdio parameter would break this optimization because they cannot be done if the address of a structure is taken. Note that benefits are only seen with CONFIG_OPTIMIZE_INLINING and CONFIG_CC_OPTIMIZE_FOR_SIZE both set to off. This gives about 2.2% improvement on a large database benchmark with a high IOPS rate. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
Only a single b_private field in the map_bh buffer head is needed after the submission path. Move map_bh separately to avoid storing this information in the long term slab. This avoids the weird 104 byte hole in struct dio_submit which also needed to be memseted early. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
A direct slab call is slightly faster than kmalloc and can be better cached per CPU. It also avoids rounding to the next kmalloc slab. In addition this enforces cache line alignment for struct dio to avoid any false sharing. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Acked-by: NJeff Moyer <jmoyer@redhat.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
Fix most problems reported by pahole. There is still a weird 104 byte hole after map_bh. I'm not sure what causes this. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Acked-by: NJeff Moyer <jmoyer@redhat.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
There's nothing on the stack, even before my changes. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Acked-by: NJeff Moyer <jmoyer@redhat.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andi Kleen 提交于
This large, but largely mechanic, patch moves all fields in struct dio that are only used in the submission path into a separate on stack data structure. This has the advantage that the memory is very likely cache hot, which is not guaranteed for memory fresh out of kmalloc. This also gives gcc more optimization potential because it can easier determine that there are no external aliases for these variables. The sdio initialization is a initialization now instead of memset. This allows gcc to break sdio into individual fields and optimize away unnecessary zeroing (after all the functions are inlined) Signed-off-by: NAndi Kleen <ak@linux.intel.com> Acked-by: NJeff Moyer <jmoyer@redhat.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Christoph Hellwig 提交于
We need to move the inode to the end of the list to actually make the spinning prevention explained in the comment above it work. With a plain list_move it will simply stay in place as we're always reclaiming from the head of the list. Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andreas Gruenbacher 提交于
Acked-by: NJ. Bruce Fields <bfields@redhat.com> Acked-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAndreas Gruenbacher <agruen@kernel.org> Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andreas Gruenbacher 提交于
Acked-by: NJ. Bruce Fields <bfields@redhat.com> Acked-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAndreas Gruenbacher <agruen@kernel.org> Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Aneesh Kumar K.V 提交于
We are going to add more flags and having them in hex format make it simpler Acked-by: NJ. Bruce Fields <bfields@redhat.com> Acked-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Andreas Gruenbacher 提交于
Acked-by: NJ. Bruce Fields <bfields@redhat.com> Acked-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAndreas Gruenbacher <agruen@kernel.org> Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Eric W. Biederman 提交于
This was found by inspection while tracking a similar bug in compat_statfs64, that has been fixed in mainline since decemeber. - This fixes a bug where not all of the f_spare fields were cleared on mips and s390. - Add the f_flags field to struct compat_statfs - Copy f_flags to userspace in case someone cares. - Use __clear_user to copy the f_spare field to userspace to ensure that all of the elements of f_spare are cleared. On some architectures f_spare is has 5 ints and on some architectures f_spare only has 4 ints. Which makes the previous technique of clearing each int individually broken. I don't expect anyone actually uses the old statfs system call anymore but if they do let them benefit from having the compat and the native version working the same. Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
* 'drm-core-next' of git://people.freedesktop.org/~airlied/linux: (290 commits) Revert "drm/ttm: add a way to bo_wait for either the last read or last write" Revert "drm/radeon/kms: add a new gem_wait ioctl with read/write flags" vmwgfx: Don't pass unused arguments to do_dirty functions vmwgfx: Emulate depth 32 framebuffers drm/radeon: Lower the severity of the radeon lockup messages. drm/i915/dp: Fix eDP on PCH DP on CPT/PPT drm/i915/dp: Introduce is_cpu_edp() drm/i915: use correct SPD type value drm/i915: fix ILK+ infoframe support drm/i915: add DP test request handling drm/i915: read full receiver capability field during DP hot plug drm/i915/dp: Remove eDP special cases from bandwidth checks drm/i915/dp: Fix the math in intel_dp_link_required drm/i915/panel: Always record the backlight level again (but cleverly) i915: Move i915_read/write out of line drm/i915: remove transcoder PLL mashing from mode_set per specs drm/i915: if transcoder disable fails, say which drm/i915: set watermarks for third pipe on IVB drm/i915: export a CPT mode set verification function drm/i915: fix transcoder PLL select masking ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86-64, doc: Remove int 0xcc from entry_64.S documentation x86, vsyscall: Add missing <asm/fixmap.h> to arch/x86/mm/fault.c Fix up trivial conflicts in arch/x86/mm/fault.c (asm/fixmap.h vs asm/vsyscall.h: both work, which to use? Whatever..)
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: uv2: Workaround for UV2 Hub bug (system global address format)
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
* 'x86-spinlocks-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, ticketlock: remove obsolete comment x86, cmpxchg: Use __compiletime_error() to make usage messages a bit nicer x86, ticketlock: Make __ticket_spin_trylock common x86, ticketlock: Convert __ticket_spin_lock to use xadd() x86, ticketlock: Convert spin loop to C x86, ticketlock: Clean up types and accessors x86: Use xadd helper more widely x86: Add xadd helper macro x86, cmpxchg: Unify cmpxchg into cmpxchg.h x86, cmpxchg: Move 64-bit set64_bit() to match 32-bit x86, cmpxchg: Move 32-bit __cmpxchg_wrong_size to match 64 bit. x86, cmpxchg: <linux/alternative.h> has LOCK_PREFIX
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
* 'x86-rdrand-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, random: Verify RDRAND functionality and allow it to be disabled x86, random: Architectural inlines to get random integers with RDRAND random: Add support for architectural random hooks Fix up trivial conflicts in drivers/char/random.c: the architectural random hooks touched "get_random_int()" that was simplified to use MD5 and not do the keyptr thing any more (see commit 6e5714ea: "net: Compute protocol sequence numbers and fragment IDs using MD5").
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