31f7c3a688
398271 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
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31f7c3a688 |
Device tree core updates for v3.12
Generally minor changes. A bunch of bug fixes, particularly for
initialization and some refactoring. Most notable change if feeding the
entire flattened tree into the random pool at boot. May not be
significant, but shouldn't hurt either.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux
Pull device tree core updates from Grant Likely:
"Generally minor changes. A bunch of bug fixes, particularly for
initialization and some refactoring. Most notable change if feeding
the entire flattened tree into the random pool at boot. May not be
significant, but shouldn't hurt either"
Tim Bird questions whether the boot time cost of the random feeding may
be noticeable. And "add_device_randomness()" is definitely not some
speed deamon of a function.
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux:
of/platform: add error reporting to of_amba_device_create()
irq/of: Fix comment typo for irq_of_parse_and_map
of: Feed entire flattened device tree into the random pool
of/fdt: Clean up casting in unflattening path
of/fdt: Remove duplicate memory clearing on FDT unflattening
gpio: implement gpio-ranges binding document fix
of: call __of_parse_phandle_with_args from of_parse_phandle
of: introduce of_parse_phandle_with_fixed_args
of: move of_parse_phandle()
of: move documentation of of_parse_phandle_with_args
of: Fix missing memory initialization on FDT unflattening
of: consolidate definition of early_init_dt_alloc_memory_arch()
of: Make of_get_phy_mode() return int i.s.o. const int
include: dt-binding: input: create a DT header defining key codes.
of/platform: Staticize of_platform_device_create_pdata()
of: Specify initrd location using 64-bit
dt: Typo fix
OF: make of_property_for_each_{u32|string}() use parameters if OF is not enabled
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Linus Torvalds
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ec5b103ecf |
Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine updates from Vinod Koul:
"This pull brings:
- Andy's DW driver updates
- Guennadi's sh driver updates
- Pl08x driver fixes from Tomasz & Alban
- Improvements to mmp_pdma by Daniel
- TI EDMA fixes by Joel
- New drivers:
- Hisilicon k3dma driver
- Renesas rcar dma driver
- New API for publishing slave driver capablities
- Various fixes across the subsystem by Andy, Jingoo, Sachin etc..."
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (94 commits)
dma: edma: Remove limits on number of slots
dma: edma: Leave linked to Null slot instead of DUMMY slot
dma: edma: Find missed events and issue them
ARM: edma: Add function to manually trigger an EDMA channel
dma: edma: Write out and handle MAX_NR_SG at a given time
dma: edma: Setup parameters to DMA MAX_NR_SG at a time
dmaengine: pl330: use dma_set_max_seg_size to set the sg limit
dmaengine: dma_slave_caps: remove sg entries
dma: replace devm_request_and_ioremap by devm_ioremap_resource
dma: ste_dma40: Fix potential null pointer dereference
dma: ste_dma40: Remove duplicate const
dma: imx-dma: Remove redundant NULL check
dma: dmagengine: fix function names in comments
dma: add driver for R-Car HPB-DMAC
dma: k3dma: use devm_ioremap_resource() instead of devm_request_and_ioremap()
dma: imx-sdma: Staticize sdma_driver_data structures
pch_dma: Add MODULE_DEVICE_TABLE
dmaengine: PL08x: Add cyclic transfer support
dmaengine: PL08x: Fix reading the byte count in cctl
dmaengine: PL08x: Add support for different maximum transfer size
...
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Linus Torvalds
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d0048f0b91 |
MMC highlights for 3.12:
Core: - Support Allocation Units 8MB-64MB in SD3.0, previous max was 4MB. - The slot-gpio helper can now handle GPIO debouncing card-detect. - Read supported voltages from DT "voltage-ranges" property. Drivers: - dw_mmc: Add support for ARC architecture, and support exynos5420. - mmc_spi: Support CD/RO GPIOs. - sh_mobile_sdhi: Add compatibility for more Renesas SoCs. - sh_mmcif: Add DT support for DMA channels. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQIcBAABAgAGBQJSLxu8AAoJEHNBYZ7TNxYMkV8P/RZMkP3L88wPmvdQ4IxVD/Bg jphPsZTAlY8pLY7EcBVfbIGfBMMoVZ8CayuAbj9u5jFiMBNDUKRnKrky1m95F62n xXiS5vUiKdWpByMpfKmrqvJr6eS8SWq5z/yug1c3s1Y9T363KgfypgJLvNgbMGiv qbmjE+Zw65nMwHCk+4Rvq6s4aN6KosRZP0ABsn1foXt3kybSgemp5ShrlEyXohfS E91EiYxHFC4fdmuWiZZvL1tyHFeV25omyZA90mpkioNItiwoyOM2rfjfEfNq+WBw UrmdBesbGsF0Zi12CBa9LtzdRjYK8PugBWKW3mycS5++NX9KW6Ac/EpGqFeH9KgL WZ2v4aQjkbnzQKUB2HcWAyXm88G9MkNvpLbIrmIPtson+q0UjgPYWe5BI3dy/Y1v YS1JeseslVtSTKzGYsa1GJ7Nc1xYiILRz0RS4YGYXNjwvrl89i2UH7cglYDW36Xd vxvRBaFpVsj1mfjjITEoG6nE0v5aYH6gSITY79XR+/kN871/99/oIUaWdpjcm9yv SIYmK7ipcvxugkQ7BoMGbym/dvuUrZ+Vnf8dFlGPTJegZVsnfgrVAnRpvcVwW8+x 4Z79wUPSIETRqj2XX2I/Y0JnrXry+dLLVyeK1tELoeOKev73Ai2lcqPSz6J0tzJs IErcz0hM1znL2RtgNwio =+EYB -----END PGP SIGNATURE----- Merge tag 'mmc-updates-for-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc Pull MMC updates from Chris Ball: "MMC highlights for 3.12: Core: - Support Allocation Units 8MB-64MB in SD3.0, previous max was 4MB. - The slot-gpio helper can now handle GPIO debouncing card-detect. - Read supported voltages from DT "voltage-ranges" property. Drivers: - dw_mmc: Add support for ARC architecture, and support exynos5420. - mmc_spi: Support CD/RO GPIOs. - sh_mobile_sdhi: Add compatibility for more Renesas SoCs. - sh_mmcif: Add DT support for DMA channels" * tag 'mmc-updates-for-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (50 commits) Revert "mmc: tmio-mmc: Remove .set_pwr() callback from platform data" mmc: dw_mmc: Add support for ARC mmc: sdhci-s3c: initialize host->quirks2 for using quirks2 mmc: sdhci-s3c: fix the wrong register value, when clock is disabled mmc: esdhc: add support to get voltage from device-tree mmc: sdhci: get voltage from sdhc host mmc: core: parse voltage from device-tree mmc: omap_hsmmc: use the generic config for omap2plus devices mmc: omap_hsmmc: clear status flags before starting a new command mmc: dw_mmc: exynos: Add a new compatible string for exynos5420 mmc: sh_mmcif: revision-specific CLK_CTRL2 handling mmc: sh_mmcif: revision-specific Command Completion Signal handling mmc: sh_mmcif: add support for Device Tree DMA bindings mmc: sh_mmcif: move header include from header into .c mmc: SDHI: add DT compatibility strings for further SoCs mmc: dw_mmc-pci: enable bus-mastering mode mmc: dw_mmc-pci: get resources from a proper BAR mmc: tmio-mmc: Remove .set_pwr() callback from platform data mmc: tmio-mmc: Remove .get_cd() callback from platform data mmc: sh_mobile_sdhi: Remove .set_pwr() callback from platform data ... |
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Linus Torvalds
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7426d62871 |
Add the ability to collect I/O statistics on user-defined regions of a
device-mapper device. This dm-stats code required the reintroduction of a div64_u64_rem() helper, but as a separate method that doesn't slow down div64_u64() -- especially on 32-bit systems. Allow the error target to replace request-based DM devices (e.g. multipath) in addition to bio-based DM devices. Various other small code fixes and improvements to thin-provisioning, DM cache and the DM ioctl interface. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQEcBAABAgAGBQJSLyNnAAoJEMUj8QotnQNaXVEIAKA1l43enaGiROBZEZXgAGUY 1JUsnHES4ujyn/jtT39jPTQf9AW/rS4FUCrZiXG2aaNHXo7+7cdVoBHAiWc7mXad budBSqn47W7WDyFlQarKwsuYFcdLnqdnieRDMXQ1cN5dl4Rx61LclnsylQd4SSS0 lznXkfOTquetDSuEPOuUHJDZufdacw3PpxWbTKGJld40fd7YZfGWQoG0ek1OeqqL fA30DTlYnkFyhheLCjFcDY6H55Rt7QpBWOUAa2XXLR6GLfk5iFK99autjWk2xTPT nppRwQrw9VH+HdW0jGLU+LRs1Y3nxwT9OBLWt9wav87Smdg/7jQAjwde9eKbO2k= =3ooH -----END PGP SIGNATURE----- Merge tag 'dm-3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device-mapper updates from Mike Snitzer: "Add the ability to collect I/O statistics on user-defined regions of a device-mapper device. This dm-stats code required the reintroduction of a div64_u64_rem() helper, but as a separate method that doesn't slow down div64_u64() -- especially on 32-bit systems. Allow the error target to replace request-based DM devices (e.g. multipath) in addition to bio-based DM devices. Various other small code fixes and improvements to thin-provisioning, DM cache and the DM ioctl interface" * tag 'dm-3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm stripe: silence a couple sparse warnings dm: add statistics support dm thin: always return -ENOSPC if no_free_space is set dm ioctl: cleanup error handling in table_load dm ioctl: increase granularity of type_lock when loading table dm ioctl: prevent rename to empty name or uuid dm thin: set pool read-only if breaking_sharing fails block allocation dm thin: prefix pool error messages with pool device name dm: allow error target to replace bio-based and request-based targets math64: New separate div64_u64_rem helper dm space map: optimise sm_ll_dec and sm_ll_inc dm btree: prefetch child nodes when walking tree for a dm_btree_del dm btree: use pop_frame in dm_btree_del to cleanup code dm cache: eliminate holes in cache structure dm cache: fix stacking of geometry limits dm thin: fix stacking of geometry limits dm thin: add data block size limits to Documentation dm cache: add data block size limits to code and Documentation dm cache: document metadata device is exclussive to a cache dm: stop using WQ_NON_REENTRANT |
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Linus Torvalds
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4d7696f1b0 |
md update for v3.12
Headline item is multithreading for RAID5 so that more IO/sec can be supported on fast (SSD) devices. Also TILE-Gx SIMD suppor for RAID6 calculations and an assortment of bug fixes. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIVAwUAUi6dRTnsnt1WYoG5AQIqMBAAm/XUEqfyBNUiTPHmIU/OyReOlfsp8A2o xtcmSzaCtIUz4btPszUrw3PShqnk+lXXX2AB0rp3PzfOgyNYXBRKbzOf3eGr2VEp L/Cm0iSWHqQ7V7MoV5ZrqtvuyJV1a7FK3a3VaoKaUk424o4sZ7P67t/YZAnTCP/i 9wQoPeIOJ8YjZsaAQjzI3q7yRMRE8ytyBnF4NdgeMyr2p17w2e9pnmNfCTo4wnWs Nu2wPr2QCPQXr/FoIhdIVEy3kVatqH8qXG8Fw+5n07HJYxGCvQZLDuoOVDYyFeoW gnNq2MMgLZm/7Nzqd1bN+QQZuBCd5JL4VJ2G4vLfYrn3ZSdSysrVKQXFKYG3Gkua 1KP4Pv0hndAl4DtGbUk8CiZp6b+c5qeWvq+sO2NuhUGmumFMK2q4DJhITNexjmrs Eg4opnR8JMLDkYD6o52Ziu5KQR/q1PKRLj80eoVuqB2QQM5+NPb4s3k2WN+53lQD L9fH2alUxxSK+5R8ykk923QQ/XErMUwXaka+O/gGFAlYvaaW/GKTxFnKn/GIXAkc tKW88zB+zA5EZEFec+K43z1UjtGxMWsryvDN55ON2iV+LIZBISm7krroBeR55cyO +3tHlPsga0pO+9DdSm7hvZeWRrq5ZJTiZmL/e2FYygrC5tFAY0p+z49fK3e9Th13 C85G7fg3yDY= =zLxh -----END PGP SIGNATURE----- Merge tag 'md/3.12' of git://neil.brown.name/md Pull md update from Neil Brown: "Headline item is multithreading for RAID5 so that more IO/sec can be supported on fast (SSD) devices. Also TILE-Gx SIMD suppor for RAID6 calculations and an assortment of bug fixes" * tag 'md/3.12' of git://neil.brown.name/md: raid5: only wakeup necessary threads md/raid5: flush out all pending requests before proceeding with reshape. md/raid5: use seqcount to protect access to shape in make_request. raid5: sysfs entry to control worker thread number raid5: offload stripe handle to workqueue raid5: fix stripe release order raid5: make release_stripe lockless md: avoid deadlock when dirty buffers during md_stop. md: Don't test all of mddev->flags at once. md: Fix apparent cut-and-paste error in super_90_validate raid6/test: replace echo -e with printf RAID: add tilegx SIMD implementation of raid6 md: fix safe_mode buglet. md: don't call md_allow_write in get_bitmap_file. |
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Linus Torvalds
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b05430fc93 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs pile 3 (of many) from Al Viro: "Waiman's conversion of d_path() and bits related to it, kern_path_mountpoint(), several cleanups and fixes (exportfs one is -stable fodder, IMO). There definitely will be more... ;-/" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: split read_seqretry_or_unlock(), convert d_walk() to resulting primitives dcache: Translating dentry into pathname without taking rename_lock autofs4 - fix device ioctl mount lookup introduce kern_path_mountpoint() rename user_path_umountat() to user_path_mountpoint_at() take unlazy_walk() into umount_lookup_last() Kill indirect include of file.h from eventfd.h, use fdget() in cgroup.c prune_super(): sb->s_op is never NULL exportfs: don't assume that ->iterate() won't feed us too long entries afs: get rid of redundant ->d_name.len checks |
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Linus Torvalds
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d0d2727710 |
vfs: make sure we don't have a stale root path if unlazy_walk() fails
When I moved the RCU walk termination into unlazy_walk(), I didn't copy quite all of it: for the successful RCU termination we properly add the necessary reference counts to our temporary copy of the root path, but for the failure case we need to make sure that any temporary root path information is cleared out (since it does _not_ have the proper reference counts from the RCU lookup). We could clean up this mess by just always dropping the temporary root information, but Al points out that that would mean that a single lookup through symlinks could see multiple different root entries if it races with another thread doing chroot. Not that I think we should really care (we had that before too, back before we had a copy of the root path in the nameidata). Al says he has a cunning plan. In the meantime, this is the minimal fix for the problem, even if it's not all that pretty. Reported-by: Mace Moneta <moneta.mace@gmail.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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26b0332e30 |
dmaengine update for 3.12
Collection of random updates to the core and some end-driver fixups for
ioatdma and mv_xor:
* NUMA aware channel allocation
* Cleanup dmatest debugfs interface
* ioat: make raid-support Atom only
* mv_xor: big endian
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Merge tag 'dmaengine-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine
Pull dmaengine update from Dan Williams:
"Collection of random updates to the core and some end-driver fixups
for ioatdma and mv_xor:
- NUMA aware channel allocation
- Cleanup dmatest debugfs interface
- ioat: make raid-support Atom only
- mv_xor: big endian
Aside from the top three commits these have all had some soak time in
-next. The top commit fixes a recent build breakage.
It has been a long while since my last pull request, hopefully it does
not show. Thanks to Vinod for keeping an eye on drivers/dma/ this
past year"
* tag 'dmaengine-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine:
dmaengine: dma_sync_wait and dma_find_channel undefined
MAINTAINERS: update email for Dan Williams
dma: mv_xor: Fix incorrect error path
ioatdma: silence GCC warnings
dmaengine: make dma_channel_rebalance() NUMA aware
dmaengine: make dma_submit_error() return an error code
ioatdma: disable RAID on non-Atom platforms and reenable unaligned copies
mv_xor: support big endian systems using descriptor swap feature
mv_xor: use {readl, writel}_relaxed instead of __raw_{readl, writel}
dmatest: print message on debug level in case of no error
dmatest: remove IS_ERR_OR_NULL checks of debugfs calls
dmatest: make module parameters writable
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Jon Mason
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4a43f394a0 |
dmaengine: dma_sync_wait and dma_find_channel undefined
dma_sync_wait and dma_find_channel are declared regardless of whether CONFIG_DMA_ENGINE is enabled, but calling the function without CONFIG_DMA_ENGINE enabled results "undefined reference" errors. To get around this, declare dma_sync_wait and dma_find_channel as inline functions if CONFIG_DMA_ENGINE is undefined. Signed-off-by: Jon Mason <jon.mason@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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Linus Torvalds
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6404141718 |
ARM: SoC late changes for v3.12
These are changes that arrived a little late before the merge window, or had dependencies on previous branches. Highlights: - ux500: misc. cleanup, fixup I2C devices - exynos: DT updates for RTC; PM updates - at91: DT updates for NAND; new platforms added to generic defconfig - sunxi: DT updates: cubieboard2, pinctrl driver, gated clocks - highbank: LPAE fixes, select necessary ARM errata - omap: PM fixes and improvements; OMAP5 mailbox support - omap: basic support for new DRA7xx SoCs -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJSLkf1AAoJEFk3GJrT+8ZlF7oP/AyxrdRFyC1YmuOqzFH0/JTQ EVBmMBiH+f1IKBT6YRkWCzX4JI5oOi+2DhrM6d/UPfbpr6pwd8dptuPiyLuBBUEm byNbiJEYHidm23oFpKM+89tTHXbBrrz8XQN2xLwYhNr24QkVAsLTxyOjVA7KJM59 tk1tPQzO1ORyiFd485eQa3V4z98JgcE3QFNthbS7Y72wEXBzMZQDc9nFaoIJ5mHW nzJSZyV24ibeEJeM2nsc7a3OvCyUfAQaO5Cio2UvdkGzZcmtxjxc1LjHa4VjIL6h hwz+gqIOfl3hXotbjJxTp9+Ezt4TGU5bB3NUweE1btHE/KIEu0bx4hSsOz/kooA9 2JL8BCCTx+KiGiNHmNCcT679n9q11iOwqOWvxxhcJFkiV/6+mkjwTD9TNwR1q+RG +LtOZr9tMcu2v/DbAivDYKiROmNCZhxpn35DoUKpBy73SOvJOiTLtSYitVN/tyM3 nWLEP5aTf3NwrWr8nFFws6ycwhgTCX0ITbdFD/fMlLMamHYPkckJ/0NXXOxfGiLk kCMbdrCX4YTbCftmAQhrbdaPJVnE/SZI3CTJfutj8eX6NC2fm/U7Hcf5PI+W0Igd moN/PaUULpVZI5hUrADyU1HCQnA97pv0biYVwzW5pBIt2u9tzUritabuERxPt9fa SdHj0+u+xq9d3y35Oq46 =NIZZ -----END PGP SIGNATURE----- Merge tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC late changes from Kevin Hilman: "These are changes that arrived a little late before the merge window, or had dependencies on previous branches. Highlights: - ux500: misc. cleanup, fixup I2C devices - exynos: DT updates for RTC; PM updates - at91: DT updates for NAND; new platforms added to generic defconfig - sunxi: DT updates: cubieboard2, pinctrl driver, gated clocks - highbank: LPAE fixes, select necessary ARM errata - omap: PM fixes and improvements; OMAP5 mailbox support - omap: basic support for new DRA7xx SoCs" * tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits) ARM: dts: vexpress: Add CCI node to TC2 device-tree ARM: EXYNOS: Skip C1 cpuidle state for exynos5440 ARM: EXYNOS: always enable PM domains support for EXYNOS4X12 ARM: highbank: clean-up some unused includes ARM: sun7i: Enable the A20 clocks in the DTSI ARM: sun6i: Enable clock support in the DTSI ARM: sun5i: dt: Use the A10s gates in the DTSI ARM: at91: at91_dt_defconfig: enable rm9200 support ARM: dts: add ADC device tree node for exynos5420/5250 ARM: dts: Add RTC DT node to Exynos5420 SoC ARM: dts: Update the "status" property of RTC DT node for Exynos5250 SoC ARM: dts: Fix the RTC DT node name for Exynos5250 irqchip: mmp: avoid to include irqs head file ARM: mmp: avoid to include head file in mach-mmp irqchip: mmp: support irqchip irqchip: move mmp irq driver ARM: OMAP: AM33xx: clock: Add RNG clock data ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX ARM: OMAP4: clock: Lock PLLs in the right sequence ARM: OMAP: AM33XX: hwmod: Add hwmod data for debugSS ... |
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Linus Torvalds
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fa91515cbf |
ARM: Renesas SoC cleanup, refactoring and more SMP support
Lots of cleanup and refactoring and some SMP additions for Renesas
platforms. Due to some inter-dependencies with other arm-soc
branches, this Renesas stuff was separated out for sending after the
other branches were merged.
Highlights:
- remove unused board support and cleanup of unused headers
- refactoring of init and device registration
- simplify IRQ initialization
Conflicts: Too many. Most of these are because Simon chose to send
some board updates through the V4L tree that ends up colliding with
the main platform changes. We'll work with him on sorting out his
workflow:
- arch/arm/boot/dts/r8a7740.dtsi:
- Add/add conflict in a devicetree file (keep both)
- arch/arm/mach-shmobile/Makefile:
- Splitting out of clock files collides with intc move to DT.
Keep HEAD version but remove intc-* files for R8A7740 and R8A7779.
- arch/arm/mach-shmobile/board-bockw.c:
- Keep HEAD but remove i2c, hspi and mmc device init calls
- arch/arm/mach-shmobile/board-marzen.c
- Remove mach/hardware.h include and r8a7779_add_usb_phy_device() call,
everything else stays.
- arch/arm/mach-shmobile/include/mach/r8a7778.h:
- From HEAD, Keep camera-rcar.h include and r8a7778_add_vin_device()
- From branch, keep everything
- arch/arm/mach-shmobile/include/mach/r8a7779.h:
- From HEAD, Keep only camera-rcar.h include and r8a7779_add_vin_device()
- arch/arm/mach-shmobile/setup-r8a7778.c
- Keep HEAD, but drop the MMC section (struct resource + add_mmc_device())
- take the new function name from our side (r8a7778_add_dt_devices())
- arch/arm/mach-shmobile/setup-r8a7779.c
- Keep HEAD, but drop r8a7779_add_usb_phy_device()
I've also pushed a test-merge2 branch where you can see how I resolved
them.
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Merge tag 'renesas-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM Renesas SoC cleanup, refactoring and more SMP support from Kevin Hilman:
"Lots of cleanup and refactoring and some SMP additions for Renesas
platforms. Due to some inter-dependencies with other arm-soc
branches, this Renesas stuff was separated out for sending after the
other branches were merged.
Highlights:
- remove unused board support and cleanup of unused headers
- refactoring of init and device registration
- simplify IRQ initialization"
* tag 'renesas-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (68 commits)
ARM: shmobile: Per-CPU SMP boot / sleep code for SCU SoCs
ARM: shmobile: Introduce per-CPU SMP boot / sleep code
ARM: shmobile: Use shared SCU CPU Hotplug code on r8a7779
ARM: shmobile: Use shared SCU CPU Hotplug code on sh73a0
ARM: shmobile: Add shared SCU CPU Hotplug code
ARM: shmobile: Use shared SCU SMP boot code on emev2
ARM: shmobile: Use shared SCU SMP boot code on r8a7779
ARM: shmobile: Use shared SCU SMP boot code on sh73a0
ARM: shmobile: Introduce shared SCU SMP boot code
ARM: shmobile: sh73a0: Remove global GPIO_NR definition
ARM: shmobile: kzm9d: remove nfsroot settings from bootargs
ARM: shmobile: armadillo800eva: remove nfsroot settings from bootargs
ARM: shmobile: r8a7779: move r8a7779_init_irq_xxx() to setup
ARM: shmobile: r8a7740: move r8a7740_init_irq_of() to setup
ARM: shmobile: bockw: add missing __initdata
ARM: shmobile: r8a7790: add missing __initdata
ARM: shmobile: r8a7779: add missing __initdata
ARM: shmobile: Remove unused shmobile_init_time()
ARM: shmobile: Use clocksource_of_init() on r8a7790
ARM: shmobile: Use default ->init_time() on KZM9G DT ref
...
|
||
|
Linus Torvalds
|
a35c6322e5 |
ARM: SoC drivers for v3.12
This branch contains ARM SoC related driver updates for v3.12. The only thing this cycle are core PM updates and CPUidle support for ARM's TC2 big.LITTLE development platform. Conflicts: One cleanup/reorg conflict with a new entry in drivers/cpuidle/Makefile. Append the new entry after the existing ones. A follow up patch for v3.12-rc will make the new entry conform to the cleanup/reorg. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJSLjatAAoJEFk3GJrT+8Zl32sP/Aw2iEXd/5DUvcp6y/qZoAjO oLhCPviEnQCpz4smFFySBLvvKyVyA7oOMet8nelIJhwHCTNMBpJZHIfcvpIP5uBY 6LLpFUw4m7TqOISwpVXlwc/3CuG76QCrITLJmButq6tHF4udHeAur+pAnNHoaoys O5arRMLvl5C4rREeiZctTv5JARICCxIcHpweQdtt+MZ03yG78fEfSB9XxvyOlhh0 OJnGcqU07fIXw9kT/9KAnR3Ql7JJsdzlXqLq6/wFWPe5a1KtgxHNXPbtWaxl8JWW cPSQci+n9iWgxKzoQTGyQO6sfkDHcol3izMeCScMwlx05SMPwofXpYitaPHLF1cy PtJosSMVQvJPrHyGlY4vhD9mtCIcyOmlwSlZ6dOf7oqXMhT9CPJe2UD/8JZWgXBi imY/vpU8mgZT315rQmc/Khg721VNKcSuIvP6xUS9PuaSMUrPSCJFbbkckHGnzdC7 XVFCui9gFxa7vMN+CzrZRqfZnjJ7ujuiFDauMzltu0iBiPNXkAfyoqbxMqUP1HJ5 pdU84vuEVjsUdWt9ivJs6I6cqIwroeji9HZzZnWkWyoDgtAjxhDFVXydqlhrZsuJ O3uErP8fjRtloFa2iLDZfawPpHDFsY4F+Nm09rZLO7RE4ELlYlQGfYEwuIh+kZ16 nLPE/V5DYrBVyNGDouKx =FvQD -----END PGP SIGNATURE----- Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver update from Kevin Hilman: "This contains the ARM SoC related driver updates for v3.12. The only thing this cycle are core PM updates and CPUidle support for ARM's TC2 big.LITTLE development platform" * tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: cpuidle: big.LITTLE: vexpress-TC2 CPU idle driver ARM: vexpress: tc2: disable GIC CPU IF in tc2_pm_suspend drivers: irq-chip: irq-gic: introduce gic_cpu_if_down() |
||
|
Linus Torvalds
|
bef4a0ab98 |
The common clk framework changes for 3.12 are dominated by clock driver
patches, both new drivers and fixes to existing. A high percentage of these are for Samsung platforms like Exynos. Core framework fixes and some new features like automagical clock re-parenting round out the patches. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJSLkImAAoJEDqPOy9afJhJOjsP/Ri26AW7XB9pPWJRSU9REBZA 31wxcFo2T+PNir9duwDwjFBFycC3MisaKFlg7D134M+7txbYqm1TRvfu9OEDxpSP 4b/Yl6TarN4dhCN2R+BREO8PnxCBVpspDcsdh6Esuwuet2xUom3UtN8yvSjhPP/u qGNmXQYXyQy4fom5r+GsDVW+HIhLkaX9b0fYc9EN/bqfgv94PMZAxAxsK9CroAGZ 0m0g9ZXw9iSvVfz+iQEqPINtvpTLHk0FGyimoSR7kvW4o4o47tVtLEWp7VjG6mr5 zvBsycaQq6NgxPu96iUWWhsO9Uj2I7/7JgidXF7r+wvEFs1mcgZtkkirSA/n4zUN C8a87rvQrZRLr+xXhVuqiVHCgCY8vXoHqkWg6SrZ62ORL8C7uYRpog5SEe2ZzLJX l5uGAsDM6el+Uc/YviCPoZbeFr3h3CQvvFo8+i2eN0v/Phf30rq4lotBvpQj894G ngEIMj+D8wshdYSF2dNJ0rLnkLHTgCbiA28L6Cl5TRzRMj3Uaj9aT3cmoLUnimZu 7F7nWU4Iu/vzQKCTQ+eTvwxXJqIlE0JeVbJilqH1f2a68JdXP1LOId+2w/CP8gqQ i2odj6JHMgBzM9rNs+y0Ir9X/bXIVi6F341c19Nl15srEiLLl8xQIpcPDaI/Kvzs pefYgF2yS5AZAW3ac90r =5GfA -----END PGP SIGNATURE----- Merge tag 'clk-for-linus-3.12' of git://git.linaro.org/people/mturquette/linux Pull clock framework changes from Michael Turquette: "The common clk framework changes for 3.12 are dominated by clock driver patches, both new drivers and fixes to existing. A high percentage of these are for Samsung platforms like Exynos. Core framework fixes and some new features like automagical clock re-parenting round out the patches" * tag 'clk-for-linus-3.12' of git://git.linaro.org/people/mturquette/linux: (102 commits) clk: only call get_parent if there is one clk: samsung: exynos5250: Simplify registration of PLL rate tables clk: samsung: exynos4: Register PLL rate tables for Exynos4x12 clk: samsung: exynos4: Register PLL rate tables for Exynos4210 clk: samsung: exynos4: Reorder registration of mout_vpllsrc clk: samsung: pll: Add support for rate configuration of PLL46xx clk: samsung: pll: Use new registration method for PLL46xx clk: samsung: pll: Add support for rate configuration of PLL45xx clk: samsung: pll: Use new registration method for PLL45xx clk: samsung: exynos4: Rename exynos4_plls to exynos4x12_plls clk: samsung: exynos4: Remove checks for DT node clk: samsung: exynos4: Remove unused static clkdev aliases clk: samsung: Modify _get_rate() helper to use __clk_lookup() clk: samsung: exynos4: Use separate aliases for cpufreq related clocks clocksource: samsung_pwm_timer: Get clock from device tree ARM: dts: exynos4: Specify PWM clocks in PWM node pwm: samsung: Update DT bindings documentation to cover clocks clk: Move symbol export to proper location clk: fix new_parent dereference before null check clk: wm831x: Initialise wm831x pointer on init ... |
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|
Linus Torvalds
|
7eb69529cb |
Not much changes for the 3.12 merge window. The major tracing changes
are still in flux, and will have to wait for 3.13. The changes for 3.12 are mostly clean ups and minor fixes. H. Peter Anvin added a check to x86_32 static function tracing that helps a small segment of the kernel community. Oleg Nesterov had a few changes from 3.11, but were mostly clean ups and not worth pushing in the -rc time frame. Li Zefan had small clean up with annotating a raw_init with __init. I fixed a slight race in updating function callbacks, but the race is so small and the bug that happens when it occurs is so minor it's not even worth pushing to stable. The only real enhancement is from Alexander Z Lam that made the tracing_cpumask work for trace buffer instances, instead of them all sharing a global cpumask. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQEcBAABAgAGBQJSLJm1AAoJEOdOSU1xswtMSu0H/0/Uuh0D5VhANZRcTATY4gUO n3WH6sm3atOxH+cbeYQcFXxOcvRcR2n90tvCMpiFlPiC0NiNR1yjro3VLS4zWb77 twq7gABdJf+Tdq7sOBmSzmY5vRKQVHIXvAfC27mBez38nCWZz0BjJGEsPBwoly25 ZaiCbKlusw/QKIEy40tuKUL/rXF6yEWnQrMujhBbyNm0w7sJVdfnd+HHmCvy15H2 IQE1g83d/dAMBjFY2BYg77J+oV6qmJxql2itvDivQWXHqFb52Jw3ZTwHwWLZlPYU AZcHtYGs2lSUscQLF56LejB7zZyE8taUufExFEVexXxZS5u7nNPXsPrA2LOOK70= =JWO6 -----END PGP SIGNATURE----- Merge tag 'trace-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing updates from Steven Rostedt: "Not much changes for the 3.12 merge window. The major tracing changes are still in flux, and will have to wait for 3.13. The changes for 3.12 are mostly clean ups and minor fixes. H Peter Anvin added a check to x86_32 static function tracing that helps a small segment of the kernel community. Oleg Nesterov had a few changes from 3.11, but were mostly clean ups and not worth pushing in the -rc time frame. Li Zefan had small clean up with annotating a raw_init with __init. I fixed a slight race in updating function callbacks, but the race is so small and the bug that happens when it occurs is so minor it's not even worth pushing to stable. The only real enhancement is from Alexander Z Lam that made the tracing_cpumask work for trace buffer instances, instead of them all sharing a global cpumask" * tag 'trace-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace/rcu: Do not trace debug_lockdep_rcu_enabled() x86-32, ftrace: Fix static ftrace when early microcode is enabled ftrace: Fix a slight race in modifying what function callback gets traced tracing: Make tracing_cpumask available for all instances tracing: Kill the !CONFIG_MODULES code in trace_events.c tracing: Don't pass file_operations array to event_create_dir() tracing: Kill trace_create_file_ops() and friends tracing/syscalls: Annotate raw_init function with __init |
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Alex Elder
|
12d298865e |
clk: only call get_parent if there is one
In __clk_init(), after a clock is mostly initialized, a scan is done of the orphan clocks to see if the clock being registered is the parent of any of them. This code assumes that any clock that provides a get_parent method actually has at least one parent, and that's not a valid assumption. As a result, an orphan clock with no parent can return *something* as the parent index, and that value is blindly used to dereference the orphan's parent_names[] array (which will be ZERO_SIZE_PTR or NULL). Fix this by ensuring get_parent is only called for orphans with at least one parent. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org> |
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Al Viro
|
48f5ec21d9 |
split read_seqretry_or_unlock(), convert d_walk() to resulting primitives
Separate "check if we need to retry" from "unlock if we are done and had seq_writelock"; that allows to use these guys in d_walk(), where we need to recheck every time we ascend back to parent, but do *not* want to unlock until the very end. Lift rcu_read_lock/rcu_read_unlock out into callers. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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|
Linus Torvalds
|
300893b08f |
xfs: update for v3.12-rc1
For 3.12-rc1 there are a number of bugfixes in addition to work to ease usage of shared code between libxfs and the kernel, the rest of the work to enable project and group quotas to be used simultaneously, performance optimisations in the log and the CIL, directory entry file type support, fixes for log space reservations, some spelling/grammar cleanups, and the addition of user namespace support. - introduce readahead to log recovery - add directory entry file type support - fix a number of spelling errors in comments - introduce new Q_XGETQSTATV quotactl for project quotas - add USER_NS support - log space reservation rework - CIL optimisations - kernel/userspace libxfs rework -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAABAgAGBQJSLeikAAoJENaLyazVq6ZOciEP/3tc850sQsPlNwP9aqd1l2Wk S1RJ8i+MUQ2W/PlbswCXvdUCT8DIwXWxL31tGvi8vtaLhh6t8ICSZwqNil+/GCIJ BErVvY4oXhEMHhlbIRRvpxblTfJGiYy3puUEz9VI0yDdUVnC33+DuEeLTQ/0mibo /UUqKFmM3KYpOc8vIQvH5K5i8PkjtMt9yge0k4l9COD30gtY2okkaD4b1voOsKc+ 5YFqulq7zcXBUYti+EFCQeV8aUBTGEPN4PJRdcS12/ylzsTzZivAOO+QREu7qBW8 x+Gj8fOC+yYWCttmJlfa1n8taxge3ndEuzKN97nvvfQgjvvunMvwJ499skryYVdB EcPnBnpDUQuz/y7exKBT9uROK817vZBtfHzSova29ayQSWC+qDpNE4xXeDIqeCtT CPxdHuWMOvIdZg41E4x7je0elaZl8EAZ8hycc2WuRhtukEkIdE1O8aD7IVrMYee8 kg+aVHG5nmYRInO1WuMinbtiCzwvVoBJToWM3y4cbfgW0dILASRyL53HDd+eCr1j kOpPIVgXlBZgiPMmdYahWxyVVWcE7zyex0w4frzWVlJMZ4lP5brppD6qfQg1JwOB z21Y95F5C2GxSyN/Lwps0G6jujHrpe6GVeYK7uKCtnqTD83nSShv5Naln7pQ3AUs qUMsqmJob4+bwt94Xgbx =V4s4 -----END PGP SIGNATURE----- Merge tag 'xfs-for-linus-v3.12-rc1' of git://oss.sgi.com/xfs/xfs Pull xfs updates from Ben Myers: "For 3.12-rc1 there are a number of bugfixes in addition to work to ease usage of shared code between libxfs and the kernel, the rest of the work to enable project and group quotas to be used simultaneously, performance optimisations in the log and the CIL, directory entry file type support, fixes for log space reservations, some spelling/grammar cleanups, and the addition of user namespace support. - introduce readahead to log recovery - add directory entry file type support - fix a number of spelling errors in comments - introduce new Q_XGETQSTATV quotactl for project quotas - add USER_NS support - log space reservation rework - CIL optimisations - kernel/userspace libxfs rework" * tag 'xfs-for-linus-v3.12-rc1' of git://oss.sgi.com/xfs/xfs: (112 commits) xfs: XFS_MOUNT_QUOTA_ALL needed by userspace xfs: dtype changed xfs_dir2_sfe_put_ino to xfs_dir3_sfe_put_ino Fix wrong flag ASSERT in xfs_attr_shortform_getvalue xfs: finish removing IOP_* macros. xfs: inode log reservations are too small xfs: check correct status variable for xfs_inobt_get_rec() call xfs: inode buffers may not be valid during recovery readahead xfs: check LSN ordering for v5 superblocks during recovery xfs: btree block LSN escaping to disk uninitialised XFS: Assertion failed: first <= last && last < BBTOB(bp->b_length), file: fs/xfs/xfs_trans_buf.c, line: 568 xfs: fix bad dquot buffer size in log recovery readahead xfs: don't account buffer cancellation during log recovery readahead xfs: check for underflow in xfs_iformat_fork() xfs: xfs_dir3_sfe_put_ino can be static xfs: introduce object readahead to log recovery xfs: Simplify xfs_ail_min() with list_first_entry_or_null() xfs: Register hotcpu notifier after initialization xfs: add xfs sb v4 support for dirent filetype field xfs: Add write support for dirent filetype field xfs: Add read-only support for dirent filetype field ... |
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Olof Johansson
|
45150c43b1 |
direct-io: Use return from cmpxchg to decide of assignment happened
Not using the return value can in the generic case be racy, so it's in general good practice to check the return value instead. This also resolved the warning caused on ARM and other architectures: fs/direct-io.c: In function 'sb_init_dio_done_wq': fs/direct-io.c:557:2: warning: value computed is not used [-Wunused-value] Signed-off-by: Olof Johansson <olof@lixom.net> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Cc: Russell King <linux@arm.linux.org.uk> Cc: H Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Waiman Long
|
232d2d60aa |
dcache: Translating dentry into pathname without taking rename_lock
When running the AIM7's short workload, Linus' lockref patch eliminated
most of the spinlock contention. However, there were still some left:
8.46% reaim [kernel.kallsyms] [k] _raw_spin_lock
|--42.21%-- d_path
| proc_pid_readlink
| SyS_readlinkat
| SyS_readlink
| system_call
| __GI___readlink
|
|--40.97%-- sys_getcwd
| system_call
| __getcwd
The big one here is the rename_lock (seqlock) contention in d_path()
and the getcwd system call. This patch will eliminate the need to take
the rename_lock while translating dentries into the full pathnames.
The need to take the rename_lock is to make sure that no rename
operation can be ongoing while the translation is in progress. However,
only one thread can take the rename_lock thus blocking all the other
threads that need it even though the translation process won't make
any change to the dentries.
This patch will replace the writer's write_seqlock/write_sequnlock
sequence of the rename_lock of the callers of the prepend_path() and
__dentry_path() functions with the reader's read_seqbegin/read_seqretry
sequence within these 2 functions. As a result, the code will have to
retry if one or more rename operations had been performed. In addition,
RCU read lock will be taken during the translation process to make sure
that no dentries will go away. To prevent live-lock from happening,
the code will switch back to take the rename_lock if read_seqretry()
fails for three times.
To further reduce spinlock contention, this patch does not take the
dentry's d_lock when copying the filename from the dentries. Instead,
it treats the name pointer and length as unreliable and just copy
the string byte-by-byte over until it hits a null byte or the end of
string as specified by the length. This should avoid stepping into
invalid memory address. The error cases are left to be handled by
the sequence number check.
The following code re-factoring are also made:
1. Move prepend('/') into prepend_name() to remove one conditional
check.
2. Move the global root check in prepend_path() back to the top of
the while loop.
With this patch, the _raw_spin_lock will now account for only 1.2%
of the total CPU cycles for the short workload. This patch also has
the effect of reducing the effect of running perf on its profile
since the perf command itself can be a heavy user of the d_path()
function depending on the complexity of the workload.
When taking the perf profile of the high-systime workload, the amount
of spinlock contention contributed by running perf without this patch
was about 16%. With this patch, the spinlock contention caused by
the running of perf will go away and we will have a more accurate
perf profile.
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
|
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Linus Torvalds
|
ef9a61bef9 |
- factor out common code from MTD tests
- nand-gpio cleanup and portability to non-ARM - m25p80 support for 4-byte addressing chips, other new chips - pxa3xx cleanup and support for new platforms - remove obsolete alauda, octagon-5066 drivers - erase/write support for bcm47xxsflash - improve detection of ECC requirements for NAND, controller setup - NFC acceleration support for atmel-nand, read/write via SRAM - etc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iEYEABECAAYFAlIt3VsACgkQdwG7hYl686NKBQCgqFzV1S+TiXZSjbqanK0374Hu lMIAoI2IOQb1bgQFSqaOzgSaBmVhLtMc =xWBt -----END PGP SIGNATURE----- Merge tag 'for-linus-20130909' of git://git.infradead.org/linux-mtd Pull mtd updates from David Woodhouse: - factor out common code from MTD tests - nand-gpio cleanup and portability to non-ARM - m25p80 support for 4-byte addressing chips, other new chips - pxa3xx cleanup and support for new platforms - remove obsolete alauda, octagon-5066 drivers - erase/write support for bcm47xxsflash - improve detection of ECC requirements for NAND, controller setup - NFC acceleration support for atmel-nand, read/write via SRAM - etc * tag 'for-linus-20130909' of git://git.infradead.org/linux-mtd: (184 commits) mtd: chips: Add support for PMC SPI Flash chips in m25p80.c mtd: ofpart: use for_each_child_of_node() macro mtd: mtdswap: replace strict_strtoul() with kstrtoul() mtd cs553x_nand: use kzalloc() instead of memset mtd: atmel_nand: fix error return code in atmel_nand_probe() mtd: bcm47xxsflash: writing support mtd: bcm47xxsflash: implement erasing support mtd: bcm47xxsflash: convert to module_platform_driver instead of init/exit mtd: bcm47xxsflash: convert kzalloc to avoid invalid access mtd: remove alauda driver mtd: nand: mxc_nand: mark 'const' properly mtd: maps: cfi_flagadm: add missing __iomem annotation mtd: spear_smi: add missing __iomem annotation mtd: r852: Staticize local symbols mtd: nandsim: Staticize local symbols mtd: impa7: add missing __iomem annotation mtd: sm_ftl: Staticize local symbols mtd: m25p80: add support for mr25h10 mtd: m25p80: make CONFIG_M25PXX_USE_FAST_READ safe to enable mtd: m25p80: Pass flags through CAT25_INFO macro ... |
||
|
Linus Torvalds
|
b5f0998cae |
IEEE 1394 (FireWire) subsystem updates:
- Fix a regression since 3.2 inclusive: The subsystem workqueue
deadlocked between transaction completion handling and bus reset
handling if the worker pool could not be increased in time.
- janitorial updates
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Stefan Richter:
- Fix a regression since 3.2 inclusive: The subsystem workqueue
deadlocked between transaction completion handling and bus reset
handling if the worker pool could not be increased in time.
- janitorial updates
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: ohci: Fix deadlock at bus reset
firewire: ohci: Change module_pci_driver to module_init/module_exit
firewire: ohci: beautify some macro definitions
firewire: ohci: change confusing name of a struct member
firewire: core: typecast from gfp_t to bool more safely
firewire: WQ_NON_REENTRANT is meaningless and going away
|
||
Dan Williams
|
ab5f8c6ee8 |
MAINTAINERS: update email for Dan Williams
Returned to intel.com Cc: Vinod Koul <vinod.koul@intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Jon Mason <jon.mason@intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Neil Brown <neilb@suse.de> Cc: Shaohua Li <shli@kernel.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
||
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Linus Torvalds
|
64c353864e |
Merge branch 'for-v3.12' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA mapping update from Marek Szyprowski: "This contains an addition of Device Tree support for reserved memory regions (Contiguous Memory Allocator is one of the drivers for it) and changes required by the KVM extensions for PowerPC architectue" * 'for-v3.12' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping: ARM: init: add support for reserved memory defined by device tree drivers: of: add initialization code for dma reserved memory drivers: of: add function to scan fdt nodes given by path drivers: dma-contiguous: clean source code and prepare for device tree |
||
Sachin Kamat
|
a577659f42 |
dma: mv_xor: Fix incorrect error path
Return directly if memory allocation fails. There is no need of dma_free_coherent(). Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Saeed Bishara <saeed@marvell.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
||
|
Linus Torvalds
|
d8cacd3a25 |
More console fixes; these are the theoretical ones which didn't get
CC:stable. But for that reason, I did a merge with master partway through to avoid an unnecessary conflict. Also: a fun lguest bug turns out if you don't clear the TF flag when trapping Bad Things happen to the guest kernel as the stack overflows... Cheers, Rusty. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJSLVvbAAoJENkgDmzRrbjxLp0P/ivSWpHo6qPvOGG/xBCSCUX0 lHb8murQOy48g8i5vcZAkkLZIxoxonMwpst91zLawH6c0iifwIqPSvwqzQhcjuxj 5766Ntbdz5n5H1AEKrFnANAGMJ25f0b5irixzCSAADlDOYelaoGWfjsxTf7ZgU4i qYd0x3RuIUDU5dk5LRHJTpml5yai372xvV3AOyYc6l0lxCgfRt87hYrQmBpgxrfC KtHIYS3pw3582bMlKn77WHRjC4Ca6w0X36HfeyyToOh27B89TFw2D53Fb9EDzEN/ do8RxGGmXHSkg6gh1TYUGvNs21Lv0jmzn/Zejzyn7i0UscnjFAksoARi6Eh00xri ZkkBoq8HZVEDu/uh3/J5HRgC6/HNyKd9C4uZ8zflMqV8VHgtdyciDH4uqoFXCesv vRrfBNadmvTjFOhQ1bCi/GUOWdaCNoVfE+3WZ+0FvFhS2o5RPusVuSGLXQDm7frV UejvK8gZ8LnQ1SS3KZ/7UZPeym9WXh7/62VI3bIQb97a/sBRQZYR/JOg+lOQcLhu bVfP2KO2zk+L8NKYJ3Jg+JJXswzIgtGx4WLqvfqY4TOR8Gt/VMT5zCmGXoMI+te5 JcHLLC713kVSa4jgbdoErk+WxvN5LsDfIPKWxl4t/AfIVSS2ZxvwTQKAbMZkyDwx qcLpnfANeqS8bzXgRtxG =MFZ1 -----END PGP SIGNATURE----- Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull virtio update from Rusty Russell: "More console fixes; these are the theoretical ones which didn't get CC:stable. But for that reason, I did a merge with master partway through to avoid an unnecessary conflict. Also: a fun lguest bug turns out if you don't clear the TF flag when trapping Bad Things happen to the guest kernel as the stack overflows..." * tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: virtio_pci: pm: Use CONFIG_PM_SLEEP instead of CONFIG_PM lguest: fix GPF in guest when using gdb. lguest: fix guest kernel stack overflow when TF bit set. lguest: fix BUG_ON() in invalid guest page table. virtio: console: prevent use-after-free of port name in port unplug virtio: console: cleanup an error message virtio: console: fix locking around send_sigio_to_port() virtio: console: add locking in port unplug path virtio: console: add locks around buffer removal in port unplug path tools/lguest: offer VIRTIO_F_ANY_LAYOUT for net device. virtio tools: add .gitignore lguest: Point to the right directory for the lguest launcher |
||
|
Linus Torvalds
|
d75671e36e |
VFIO updates include safer default file flags for VFIO device fds,
an external user interface exported to allow other modules to hold references to VFIO groups, a fix to test for extended config space on PCIe and PCI-x, and new hot reset interfaces for PCI devices which allows the user to do PCI bus/slot resets when all of the devices affected by the reset are owned by the user. For this last feature, the PCI bus reset interface, I depend on changes already merged from Bjorn's PCI pull request. I therefore merged my tree up to commit |
||
|
Linus Torvalds
|
bf97293eb8 |
NFS client updates for Linux 3.12
Highlights include:
- Fix NFSv4 recovery so that it doesn't recover lost locks in cases such as
lease loss due to a network partition, where doing so may result in data
corruption. Add a kernel parameter to control choice of legacy behaviour
or not.
- Performance improvements when 2 processes are writing to the same file.
- Flush data to disk when an RPCSEC_GSS session timeout is imminent.
- Implement NFSv4.1 SP4_MACH_CRED state protection to prevent other
NFS clients from being able to manipulate our lease and file lockingr
state.
- Allow sharing of RPCSEC_GSS caches between different rpc clients
- Fix the broken NFSv4 security auto-negotiation between client and server
- Fix rmdir() to wait for outstanding sillyrename unlinks to complete
- Add a tracepoint framework for debugging NFSv4 state recovery issues.
- Add tracing to the generic NFS layer.
- Add tracing for the SUNRPC socket connection state.
- Clean up the rpc_pipefs mount/umount event management.
- Merge more patches from Chuck in preparation for NFSv4 migration support.
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Merge tag 'nfs-for-3.12-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
- Fix NFSv4 recovery so that it doesn't recover lost locks in cases
such as lease loss due to a network partition, where doing so may
result in data corruption. Add a kernel parameter to control
choice of legacy behaviour or not.
- Performance improvements when 2 processes are writing to the same
file.
- Flush data to disk when an RPCSEC_GSS session timeout is imminent.
- Implement NFSv4.1 SP4_MACH_CRED state protection to prevent other
NFS clients from being able to manipulate our lease and file
locking state.
- Allow sharing of RPCSEC_GSS caches between different rpc clients.
- Fix the broken NFSv4 security auto-negotiation between client and
server.
- Fix rmdir() to wait for outstanding sillyrename unlinks to complete
- Add a tracepoint framework for debugging NFSv4 state recovery
issues.
- Add tracing to the generic NFS layer.
- Add tracing for the SUNRPC socket connection state.
- Clean up the rpc_pipefs mount/umount event management.
- Merge more patches from Chuck in preparation for NFSv4 migration
support"
* tag 'nfs-for-3.12-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (107 commits)
NFSv4: use mach cred for SECINFO_NO_NAME w/ integrity
NFS: nfs_compare_super shouldn't check the auth flavour unless 'sec=' was set
NFSv4: Allow security autonegotiation for submounts
NFSv4: Disallow security negotiation for lookups when 'sec=' is specified
NFSv4: Fix security auto-negotiation
NFS: Clean up nfs_parse_security_flavors()
NFS: Clean up the auth flavour array mess
NFSv4.1 Use MDS auth flavor for data server connection
NFS: Don't check lock owner compatability unless file is locked (part 2)
NFS: Don't check lock owner compatibility in writes unless file is locked
nfs4: Map NFS4ERR_WRONG_CRED to EPERM
nfs4.1: Add SP4_MACH_CRED write and commit support
nfs4.1: Add SP4_MACH_CRED stateid support
nfs4.1: Add SP4_MACH_CRED secinfo support
nfs4.1: Add SP4_MACH_CRED cleanup support
nfs4.1: Add state protection handler
nfs4.1: Minimal SP4_MACH_CRED implementation
SUNRPC: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
SUNRPC: Add an identifier for struct rpc_clnt
SUNRPC: Ensure rpc_task->tk_pid is available for tracepoints
...
|
||
|
Linus Torvalds
|
16d70e1529 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse bugfixes from Miklos Szeredi: "Just a bunch of bugfixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: use list_for_each_entry() for list traversing fuse: readdir: check for slash in names fuse: hotfix truncate_pagecache() issue fuse: invalidate inode attributes on xattr modification fuse: postpone end_page_writeback() in fuse_writepage_locked() |
||
|
Linus Torvalds
|
6c337ad6cc |
This is possibly the smallest ever set of GFS2 patches for a merge
window. Also, most of them are bug fixes this time. Two of my three patches (moving gfs2_sync_meta and merging the two writepage implementations) are clean ups with the third (taking the glock ref in examine_bucket) being a fix for a difficult to hit race condition. The removal of an unused memory barrier is a clean up from Bob Peterson, and the "spectator" relates to a rarely used mount option. Ben Marzinski's patch fixes a corner case where the incorrect inode flags were being set, resulting in incorrect behaviour on fsync. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJSLYWjAAoJEMrg3m4a/8jSHBUQAIBXyrLypCJNJNpYreRlg4Te YZOqXMxqrfsWD5jkfWvxV/vZyVu6FEJRJRRwKoO8foZhnVIy2HiGdpFvwk4NMzGs Ah5cCaySgDhFIKXNq1CnhVZNpRU8N+Lf+8U2MwkpPUrT+KnZlDdG8COuHbWJ3/+t prqHy0N1oa8hgj3P0oDf3kyQKiB2MQVhORTBVOWaas1mzw8vsKRjvO7k5g0VPcfV VnIYzvQ033V6pW6ymWGcbz6us7hXeFJmXo4grAdLIclK6QDt1zPLVKlvk7X/Me52 PTxO5AP/Nw6AlJABTNy8UZ3uJO3QaiqhcIz+OzIXlYpsICqma30qkHHrWzOh0Q5F HrDqh03A2zuqigamVmsJr2+tbdLWxz72D6N3eFlIBLAw2JxILosCPcGc4UNzG/7g mFr6+LDnZXzFpjT6OBdepjVH06ZqfcV+nr3KhvmKQT+tkzTizArbt8JutOdKjahH 3+pXx/bA0B7LRVYymK5/xrfbjnQp629GG3QnGiI23gtDZ6eEzm663bQz6MTgjR88 H0nigLi8d2KmM8UnrZqq5nI+LirFD/IZ5DO47Vv6w3NCZW/ZpNOodlWkd1igvhHR ugTvKqyw2O9hImM8jPoRWbqL01RGTKTMMn/3cCCO8Uww7DpI4GLb48a39buYh4+2 kijIxCtntfQAOiR6MCvA =rsQv -----END PGP SIGNATURE----- Merge tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw Pull GFS2 updates from Steven Whitehouse: "This is possibly the smallest ever set of GFS2 patches for a merge window. Also, most of them are bug fixes this time. Two of my three patches (moving gfs2_sync_meta and merging the two writepage implementations) are clean ups with the third (taking the glock ref in examine_bucket) being a fix for a difficult to hit race condition. The removal of an unused memory barrier is a clean up from Bob Peterson, and the "spectator" relates to a rarely used mount option. Ben Marzinski's patch fixes a corner case where the incorrect inode flags were being set, resulting in incorrect behaviour on fsync" * tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw: GFS2: dirty inode correctly in gfs2_write_end GFS2: Don't flag consistency error if first mounter is a spectator GFS2: Remove unnecessary memory barrier GFS2: Merge ordered and writeback writepage GFS2: Take glock reference in examine_bucket() GFS2: Move gfs2_sync_meta to lops.c |
||
|
Linus Torvalds
|
6cccc7d301 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull ceph updates from Sage Weil: "This includes both the first pile of Ceph patches (which I sent to torvalds@vger, sigh) and a few new patches that add support for fscache for Ceph. That includes a few fscache core fixes that David Howells asked go through the Ceph tree. (Thanks go to Milosz Tanski for putting this feature together) This first batch of patches (included here) had (has) several important RBD bug fixes, hole punch support, several different cleanups in the page cache interactions, improvements in the truncate code (new truncate mutex to avoid shenanigans with i_mutex), and a series of fixes in the synchronous striping read/write code. On top of that is a random collection of small fixes all across the tree (error code checks and error path cleanup, obsolete wq flags, etc)" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (43 commits) ceph: use d_invalidate() to invalidate aliases ceph: remove ceph_lookup_inode() ceph: trivial buildbot warnings fix ceph: Do not do invalidate if the filesystem is mounted nofsc ceph: page still marked private_2 ceph: ceph_readpage_to_fscache didn't check if marked ceph: clean PgPrivate2 on returning from readpages ceph: use fscache as a local presisent cache fscache: Netfs function for cleanup post readpages FS-Cache: Fix heading in documentation CacheFiles: Implement interface to check cache consistency FS-Cache: Add interface to check consistency of a cached object rbd: fix null dereference in dout rbd: fix buffer size for writes to images with snapshots libceph: use pg_num_mask instead of pgp_num_mask for pg.seed calc rbd: fix I/O error propagation for reads ceph: use vfs __set_page_dirty_nobuffers interface instead of doing it inside filesystem ceph: allow sync_read/write return partial successed size of read/write. ceph: fix bugs about handling short-read for sync read mode. ceph: remove useless variable revoked_rdcache ... |
||
|
Linus Torvalds
|
255ae3fbd2 |
Metag architecture changes for v3.12
- Device tree updates for TZ1090 GPIO drivers merged via GPIO tree. - Add driver for ImgTec PDC irqchip as found in TZ1090 SoC. - Add linux-metag mailing list to MAINTAINERS file. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQIcBAABAgAGBQJSLeXAAAoJEKHZs+irPybf72QP/2IPeDqMEcBWA0SXmMV2gb9r BAr2MVYxbFwvFrUbFWtYPW/d+u5YHSFe071dYVfZj31djddj+JeVlK1QiQ7QfN43 OtBFfyuKaTKb5I5QNs4dVJW1pcEXQFcyb3KYnKdkVWammhqdwGqpYIuo+7MwlCV8 COC6q4BHK17Fa6NLl3WXIV3DdMu7j6IZPzBRiJDXhIUIFxMH34qsVmmZQcXPD43G BGAM6ztyHVEbCt2SVSOS6WB7Yk2w4fW4fReqenOBTinZU6HS7uI7MXoCkifMLCWD ipQnd2TOVSA4zCElS1xVRc+n7c91zOprC8rijuDG5rMT3ml6famvU28OSEHGcMiM 4kX00ZxjqTk9DPg5xzusGgEuvHF0CwXRWf5QVjUY6yZwPyf22PmN7d1oJ2G2I2Ge 2zyJok7x9VdLtEdNIWFXuNyHVwFNte0evciwFdZk16yBXdikTHXapVqUggmrf0GR dPCSrZS342i5JlS4fTtqscuuw9GDPLDGDytjD184GlHWhrKDP6JsYSdNvDXBF+9w sE6eMkYkf8QqhW41hmdBSpI9RLH3VPPRa1hQH1wZS98Rl1arUc9QnHxNhoiao1Y2 838qvRSpvdvwE9fO+WfU/X7MTQs7qWA6t/vdO60KIxVAaPzTLLIHR62CoxSsWHFB IyVsf4+7BnDjciSJSqOJ =WHe5 -----END PGP SIGNATURE----- Merge tag 'metag-for-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag Pull metag architecture changes from James Hogan: - Device tree updates for TZ1090 GPIO drivers merged via GPIO tree. - Add driver for ImgTec PDC irqchip as found in TZ1090 SoC. - Add linux-metag mailing list to MAINTAINERS file. * tag 'metag-for-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: irq-imgpdc: add ImgTec PDC irqchip driver MAINTAINERS: add linux-metag mailing list metag: tz1090: instantiate gpio-tz1090-pdc metag: tz1090: select and instantiate gpio-tz1090 metag: tz1090: select and instantiate irq-imgpdc |
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|
Linus Torvalds
|
89c5a9461d |
ARC changes for 3.12
- ARC MM changes
preparation for MMUv4 (accomodate new PTE bits, new cmds)
Rework the ASID allocation algorithm to remove asid-mm reverse map
- Boilerplate code consolidation in Exception Handlers
- Disable FRAME_POINTER for ARC
- Unaligned Access Emulation for Big-Endian from Noam
- Bunch of fixes (udelay, missing accessors) from Mischa
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Merge tag 'arc-v3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC changes from Vineet Gupta:
- ARC MM changes:
- preparation for MMUv4 (accomodate new PTE bits, new cmds)
- Rework the ASID allocation algorithm to remove asid-mm reverse map
- Boilerplate code consolidation in Exception Handlers
- Disable FRAME_POINTER for ARC
- Unaligned Access Emulation for Big-Endian from Noam
- Bunch of fixes (udelay, missing accessors) from Mischa
* tag 'arc-v3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: fix new Section mismatches in build (post __cpuinit cleanup)
Kconfig.debug: Add FRAME_POINTER anti-dependency for ARC
ARC: Fix __udelay calculation
ARC: remove console_verbose() from setup_arch()
ARC: Add read*_relaxed to asm/io.h
ARC: Handle un-aligned user space access in BE.
ARC: [ASID] Track ASID allocation cycles/generations
ARC: [ASID] activate_mm() == switch_mm()
ARC: [ASID] get_new_mmu_context() to conditionally allocate new ASID
ARC: [ASID] Refactor the TLB paranoid debug code
ARC: [ASID] Remove legacy/unused debug code
ARC: No need to flush the TLB in early boot
ARC: MMUv4 preps/3 - Abstract out TLB Insert/Delete
ARC: MMUv4 preps/2 - Reshuffle PTE bits
ARC: MMUv4 preps/1 - Fold PTE K/U access flags
ARC: Code cosmetics (Nothing semantical)
ARC: Entry Handler tweaks: Optimize away redundant IRQ_DISABLE_SAVE
ARC: Exception Handlers Code consolidation
ARC: Add some .gitignore entries
|
||
Bartlomiej Zolnierkiewicz
|
2bc552df76 |
of/platform: add error reporting to of_amba_device_create()
Add error reporting to of_amba_device_create() so the user knows when (and why) some device tree nodes fail to initialize. [ The issue was spotted on Universal C210 board (using revision 0 of ARM Exynos4210 SoC) on which initialization was silently failing for PL330 MDMA1 device tree node (it was using the wrong addres resulting in amba_device_add() returning -ENODEV). ] Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Grant Likely <grant.likely@linaro.org> |
||
|
Linus Torvalds
|
833ae40b51 |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu fixes from Greg Ungerer: "Just a small collection of cleanups and fixes this time, no big changes. The most interresting are to make the m68k and m68knommu consistently use CONFIG_IOMAP, clean out some unused board config options and flush the cache on signal stack creation" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: remove 16 unused boards in Kconfig.machine m68k: define 'VM_DATA_DEFAULT_FLAGS' no matter whether has 'NOMMU' or not m68knommu: user generic iomap to support ioread*/iowrite* m68k/coldfire: flush cache when creating the signal stack frame m68knommu: Mark functions only called from setup_arch() __init |
||
|
Linus Torvalds
|
20e029d791 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger: "This pile contains mostly fixes and improvements for issues identified by Richard W M Jones while adding UML as backend to libguestfs" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: Add irq chip um/mask handlers um: prctl: Do not include linux/ptrace.h um: Run UML in it's own session. um: Cleanup SIGTERM handling um: ubd: Introduce submit_request() um: ubd: Add REQ_FLUSH suppport um: Implement probe_kernel_read() um: hostfs: Fix writeback |
||
Yijing Wang
|
d84ff46a9e |
irq/of: Fix comment typo for irq_of_parse_and_map
Fix trivial comment typo for irq_of_parse_and_map(). Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Grant Likely <grant.likely@linaro.org> |
||
Ian Kent
|
ac83871996 |
autofs4 - fix device ioctl mount lookup
When reconnecting to automounts at startup an autofs ioctl is used to find the device and inode of existing mounts so they can be used to open a file descriptor of possibly covered mounts. At this time the the caller might not yet "own" the mount so it can trigger calling ->d_automount(). This causes automount to hang when trying to reconnect to direct or offset mount types. Consequently kern_path() can't be used but kern_path_mountpoint() can be. Signed-off-by: Ian Kent <raven@themaw.net> Cc: Jeff Layton <jlayton@redhat.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
||
|
Linus Torvalds
|
e5c832d555 |
vfs: fix dentry RCU to refcounting possibly sleeping dput()
This is the fix that the last two commits indirectly led up to - making sure that we don't call dput() in a bad context on the dentries we've looked up in RCU mode after the sequence count validation fails. This basically expands d_rcu_to_refcount() into the callers, and then fixes the callers to delay the dput() in the failure case until _after_ we've dropped all locks and are no longer in an RCU-locked region. The case of 'complete_walk()' was trivial, since its failure case did the unlock_rcu_walk() directly after the call to d_rcu_to_refcount(), and as such that is just a pure expansion of the function with a trivial movement of the resulting dput() to after 'unlock_rcu_walk()'. In contrast, the unlazy_walk() case was much more complicated, because not only does convert two different dentries from RCU to be reference counted, but it used to not call unlock_rcu_walk() at all, and instead just returned an error and let the caller clean everything up in "terminate_walk()". Happily, one of the dentries in question (called "parent" inside unlazy_walk()) is the dentry of "nd->path", which terminate_walk() wants a refcount to anyway for the non-RCU case. So what the new and improved unlazy_walk() does is to first turn that dentry into a refcounted one, and once that is set up, the error cases can continue to use the terminate_walk() helper for cleanup, but for the non-RCU case. Which makes it possible to drop out of RCU mode if we actually hit the sequence number failure case. Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Aaron Lu
|
9e266ece21 |
virtio_pci: pm: Use CONFIG_PM_SLEEP instead of CONFIG_PM
The virtio_pci_freeze/restore are defined under CONFIG_PM but is used
by SET_SYSTEM_SLEEP_PM_OPS macro, which is defined under
CONFIG_PM_SLEEP. So if CONFIG_PM_SLEEP is not cofigured but
CONFIG_PM_RUNTIME is, the following warning message appeared:
drivers/virtio/virtio_pci.c:770:12: warning: ‘virtio_pci_freeze’ defined but not used [-Wunused-function]
static int virtio_pci_freeze(struct device *dev)
^
drivers/virtio/virtio_pci.c:790:12: warning: ‘virtio_pci_restore’ defined but not used [-Wunused-function]
static int virtio_pci_restore(struct device *dev)
^
Fix it by changing CONFIG_PM to CONFIG_PM_SLEEP.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
|
||
|
Al Viro
|
2d86465101 |
introduce kern_path_mountpoint()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
||
|
Al Viro
|
197df04c74 |
rename user_path_umountat() to user_path_mountpoint_at()
... and move the extern from linux/namei.h to fs/internal.h, along with that of vfs_path_lookup(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
||
|
Al Viro
|
35759521ee |
take unlazy_walk() into umount_lookup_last()
... and massage it a bit to reduce nesting Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
||
|
Linus Torvalds
|
0d98439ea3 |
vfs: use lockred "dead" flag to mark unrecoverably dead dentries
This simplifies the RCU to refcounting code in particular.
I was originally intending to leave this for later, but walking through
all the dput() logic (see previous commit), I realized that the dput()
"might_sleep()" check was misleadingly weak. And I removed it as
misleading, both for performance profiling and for debugging.
However, the might_sleep() debugging case is actually true: the final
dput() can indeed sleep, if the inode of the dentry that you are
releasing ends up sleeping at iput time (see dentry_iput()). So the
problem with the might_sleep() in dput() wasn't that it wasn't true, it
was that it wasn't actually testing and triggering on the interesting
case.
In particular, just about *any* dput() can indeed sleep, if you happen
to race with another thread deleting the file in question, and you then
lose the race to the be the last dput() for that file. But because it's
a very rare race, the debugging code would never trigger it in practice.
Why is this problematic? The new d_rcu_to_refcount() (see commit
|
||
|
Linus Torvalds
|
8aab6a2733 |
vfs: reorganize dput() memory accesses
This is me being a bit OCD after all the dentry optimization work this merge window: profiles end up showing 'dput()' as a rather expensive operation, and there were two unrelated bad reasons for that. The first reason was reading d_lockref.count for debugging purposes, which touches the lockref cacheline (for reads) before really need to. More importantly, the debugging test in question is _wrong_, and has hidden bugs. It's true that we can only sleep when the count goes down to zero, but the test as-is hides the much more subtle bug that happens if we race with somebody else deleting the file. Anyway we _will_ touch that cacheline, but let's do it for a write and in the right routine (ie in "lockref_put_or_lock()") which annotates the costs better. So remove the misleading debug code. The other was an unnecessary access to the cacheline that contains the d_lru list, just to check whether we already were on the LRU list or not. This is exactly what we have d_flags for, so that we can avoid touching extra cache lines for the common case. So just add another bit for "is this dentry on the LRU". Finally, mark the tests properly likely/unlikely, so that the common fast-paths are dense in the instruction stream. This makes the profiles look much saner. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
b409624ad5 |
Merge git://git.infradead.org/users/willy/linux-nvme
Pull NVM Express driver update from Matthew Wilcox. * git://git.infradead.org/users/willy/linux-nvme: NVMe: Merge issue on character device bring-up NVMe: Handle ioremap failure NVMe: Add pci suspend/resume driver callbacks NVMe: Use normal shutdown NVMe: Separate controller init from disk discovery NVMe: Separate queue alloc/free from create/delete NVMe: Group pci related actions in functions NVMe: Disk stats for read/write commands only NVMe: Bring up cdev on set feature failure NVMe: Fix checkpatch issues NVMe: Namespace IDs are unsigned NVMe: Update nvme_id_power_state with latest spec NVMe: Split header file into user-visible and kernel-visible pieces NVMe: Call nvme_process_cq from submission path NVMe: Remove "process_cq did something" message NVMe: Return correct value from interrupt handler NVMe: Disk IO statistics NVMe: Restructure MSI / MSI-X setup NVMe: Use kzalloc instead of kmalloc+memset |
||
|
Linus Torvalds
|
c4c1725228 |
NTB driver bug fixes to address issues in NTB-RP enablement, spad,
debugfs, and USD/DSD identification. Add a workaround on Xeon NTB devices for b2bdoorbell errata. Also, add new NTB driver features to support 32bit x86, DMA engine support, and NTB-RP support. Finally, a few clean-ups and update to MAINTAINERS for the NTB git tree and wiki location. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJSKQrVAAoJEG5mS6x6i9IjuHIQAIfX6IpgC+si59vYg/RqTyqI fulDSoVeasMGEwUNvQhFxq27enPmpDqfRXcG276piSh4ujVL0t9O87QP+ZNHLVUh 9jwLjnJCNYqwRy6VgMZBmzhVZ4Gu9bjvxHEnhwVmjkXrXxgqExQKOaKk47ivIsUO dHfkBKO2AYfR27zjdsdO939XHLyWtv4HpxtDKgkp1oH4VEGwei9ctkVDOo/Fxhbo KWPqkxzWNnB+jg8eQphncDSVlI2iLypV+Sp+3KnbqDfpmjsxrp62nfYRLjLnSaF3 Gvt0N6KNXykWNdHnPEyyFPlfOxBRXDGcsPH5BGksjhwVVTTAopJ9wc6hq5sgI+Zc MWL1v6CB+hz/whVbZiqdkQvlgl2APfTYWJekjYFyHCx7xfY6byeQgIDcqc0KVI// XZiODGHxVuFkZffc6HPOrCKb2iUfKqtAF3GTfPFnHTrXjFmVWi27gIIT52Ms8F7j qNwynJbqsiRDu+fldI+fBkLYe2EVoIpIfNfIo9EJAVuvXKIpTVFzuhU4ltkTmscC Je7OMPaqJMu3MKwP48PUpf7XdmEh+tgYQ0xbfAcNbblyZ+gISW6zJ8jcR8Dm6vfS gYM5gr2CimwVoBDri0zeW++OPiEAYu0CJ/QU5xycVDXfkVXeejxIfdqHsoajhl1E XwFkaDlq5zkMevrbt5IF =Gr+V -----END PGP SIGNATURE----- Merge tag 'ntb-3.12' of git://github.com/jonmason/ntb Pull NTB (non-transparent bridge) updates from Jon Mason: "NTB driver bug fixes to address issues in NTB-RP enablement, spad, debugfs, and USD/DSD identification. Add a workaround on Xeon NTB devices for b2bdoorbell errata. Also, add new NTB driver features to support 32bit x86, DMA engine support, and NTB-RP support. Finally, a few clean-ups and update to MAINTAINERS for the NTB git tree and wiki location" * tag 'ntb-3.12' of git://github.com/jonmason/ntb: ntb: clean up unnecessary MSI/MSI-X capability find MAINTAINERS: Add Website and Git Tree for NTB NTB: Update Version NTB: Comment Fix NTB: Remove unused variable NTB: Remove References of non-B2B BWD HW NTB: NTB-RP support NTB: Rename Variables for NTB-RP NTB: Use DMA Engine to Transmit and Receive NTB: Enable 32bit Support NTB: Update Device IDs NTB: BWD Link Recovery NTB: Xeon Errata Workaround NTB: Correct debugfs to work with more than 1 NTB Device NTB: Correct USD/DSD Identification NTB: Correct Number of Scratch Pad Registers NTB: Add Error Handling in ntb_device_setup |
||
|
Linus Torvalds
|
8de4651abe |
For the 3.12 merge window we have one new driver for the DA9063 PMIC
from Dialog Semiconductor.
Besides that driver we also have:
- Device tree support for the s2mps11 driver
- More devm_* conversion for the pm8921, max89xx, menelaus, tps65010,
wl1273 and pcf50633-adc drivers.
- A conversion to threaded IRQ and IRQ domain for the twl6030 driver.
- A fairly big update for the rtsx driver: Better power saving support,
better vendor settings handling, and a few fixes.
- Support for a couple more boards (COMe-bHL6 and COMe-cTH6) for the
Kontron driver.
- A conversion to the dev_get_platdata() API for all MFD drivers.
- A removal of non-DT (legacy) support for the twl6040 driver.
- A few fixes and additions (Mic detect level) to the wm5110 register tables.
- Regmap support for the davinci_voicecodec driver.
- The usual bunch of minor cleanups and janitorial fixes.
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Merge tag 'mfd-3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next
Pull MFD (multi-function device) updates from Samuel Ortiz:
"For the 3.12 merge window we have one new driver for the DA9063 PMIC
from Dialog Semiconductor.
Besides that driver we also have:
- Device tree support for the s2mps11 driver
- More devm_* conversion for the pm8921, max89xx, menelaus, tps65010,
wl1273 and pcf50633-adc drivers.
- A conversion to threaded IRQ and IRQ domain for the twl6030 driver.
- A fairly big update for the rtsx driver: Better power saving
support, better vendor settings handling, and a few fixes.
- Support for a couple more boards (COMe-bHL6 and COMe-cTH6) for the
Kontron driver.
- A conversion to the dev_get_platdata() API for all MFD drivers.
- A removal of non-DT (legacy) support for the twl6040 driver.
- A few fixes and additions (Mic detect level) to the wm5110 register
tables.
- Regmap support for the davinci_voicecodec driver.
- The usual bunch of minor cleanups and janitorial fixes"
* tag 'mfd-3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (81 commits)
mfd: ucb1x00-core: Rewrite ucb1x00_add_dev()
mfd: ab8500-debugfs: Apply a check for -ENOMEM after allocating memory for event name
mfd: ab8500-debugfs: Apply a check for -ENOMEM after allocating memory for sysfs
mfd: timberdale: Use module_pci_driver
mfd: timberdale: Remove redundant break
mfd: timberdale: Staticize local variables
mfd: ab8500-debugfs: Staticize local variables
mfd: db8500-prcmu: Staticize clk_mgt
mfd: db8500-prcmu: Use ANSI function declaration
mfd: omap-usb-host: Staticize usbhs_driver_name
mfd: 88pm805: Fix potential NULL pdata dereference
mfd: 88pm800: Fix potential NULL pdata dereference
mfd: twl6040: Use regmap for register cache
mfd: davinci_voicecodec: Provide a regmap for register I/O
mfd: davinci_voicecodec: Remove unused read and write functions
mmc: memstick: rtsx: Modify copyright comments
mmc: rtsx: Clear SD_CLK toggle enable bit if switching voltage fail
mfd: mmc: rtsx: Change default tx phase
mfd: pcf50633-adc: Use devm_*() functions
mfd: rtsx: Copyright modifications
...
|
||
|
Linus Torvalds
|
327fff3e13 |
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild updates from Michal Marek:
"In the kbuild misc branch, I have:
- make rpm-pkg updates, most importantly the rpm package now calls
/sbin/installkernel
- make deb-pkg: debuginfo split, correct kernel image path for
parisc, mips and powerpc and a couple more minor fixes
- New coccinelle check"
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
scripts/checkkconfigsymbols.sh: replace echo -e with printf
Provide version number for Debian firmware package
coccinelle: replace 0/1 with false/true in functions returning bool
deb-pkg: add a hook argument to match debian hooks parameters
deb-pkg: fix installed image path on parisc, mips and powerpc
deb-pkg: split debug symbols in their own package
deb-pkg: use KCONFIG_CONFIG instead of .config file directly
rpm-pkg: add generation of kernel-devel
rpm-pkg: install firmware files in kernel relative directory
rpm-pkg: add %post section to create initramfs and grub hooks
|
||
|
Linus Torvalds
|
1ff5e37e72 |
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild update from Michal Marek: "Only these two commits are in the kbuild branch this time: - Using filechk for include/config/kernel.release - Cleanup in scripts/sortextable.c" * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Do not overwrite include/config/kernel.release needlessly scripts: remove unused function in sortextable.c |
||
|
Al Viro
|
4e10f3c988 |
Kill indirect include of file.h from eventfd.h, use fdget() in cgroup.c
kernel/cgroup.c is the only place in the tree that relies on eventfd.h pulling file.h; move that include there. Switch from eventfd_fget()/fput() to fdget()/fdput(), while we are at it - eventfd_ctx_fileget() will fail on non-eventfd descriptors just fine, no need to do that check twice... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |