- 28 5月, 2014 5 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull two timer fixes from Thomas Gleixner: "Two small fixlets for ARM SoC clocksource drivers: - avoid calling functions which might sleep from interrupt [disabled] context in tcb_clksrc used on Atmel SoCs - use irq_force_affinity() to pin the per cpu timer interrupt on a not yet online cpu in the SiRFprimaII driver" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: tcb_clksrc: Make tc_mode interrupt safe clocksource: marco: Fix the affinity set for local timer of CPU1
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc由 Linus Torvalds 提交于
Pull ARM SoC fixes from Olof Johansson: "A slightly larger set of fixes than we'd like at this point in the release. Hopefully our very last batch before 3.15: OMAP: - Fix boot regression with CPU_IDLE enabled - Fixes for audio playback on OMAP5 - Clock rate setting fix for OMAP3 - Misc idle/PM fixes Exynos: - Removal of a couple of power domains to work around issues with access when they are powered down - Enabling missing highspeed-i2c driver to make MMC regulators work - Secondary CPU spin-up fix for 4212 - Remove MDMA1 engine to avoid conflicts on secure mode platforms - A few other DT fixes Marvell: - PCI-e fixes for clocks and resource allocation plus a few other smaller fixes, add a MAINTAINERS entry for reset drivers, etc" * tag 'fixes-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits) MAINTAINERS: Add reset controller framework entry ARM: trusted_foundations: fix compile error on non-SMP ARM: at91: sam9260: fix compilation issues ARM: mvebu: fix definitions of PCIe interfaces on Armada 38x ARM: imx: fix error handling in ipu device registration ARM: OMAP4: Fix the boot regression with CPU_IDLE enabled ARM: dts: Keep LDO4 always ON for exynos5250-arndale board ARM: dts: Fix SPI interrupt numbers for exynos5420 ARM: dts: fix incorrect ak8975 compatible for exynos4412-trats2 board ARM: OMAP2+: Fix DMA hang after off-idle ARM: OMAP2+: nand: Fix NAND on OMAP2 and OMAP3 boards ARM: dts: Remove g2d_pd node for exynos5420 ARM: dts: Remove mau_pd node for exynos5420 ARM: exynos_defconfig: enable HS-I2C to fix for mmc partition mount ARM: dts: disable MDMA1 node for exynos5420 ARM: EXYNOS: fix the secondary CPU boot of exynos4212 ARM: omap5: hwmod_data: Correct IDLEMODE for McPDM ARM: mvebu: mvebu-soc-id: keep clock enabled if PCIe unit is enabled ARM: mvebu: mvebu-soc-id: add missing clk_put() call ARM: at91/dt: sam9260: correct external trigger value ...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl由 Linus Torvalds 提交于
Pull pinctrl fix from Linus Walleij: "A single last pinctrl fix for the v3.15 series: the vt8500 driver was failing to update the output value when the combined set direction output and set value was executed" * tag 'pinctrl-v3.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: vt8500: Ensure value reg is updated when setting direction
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git://git.infradead.org/users/vkoul/slave-dma由 Linus Torvalds 提交于
Pull slave-dmaengine fixes from Vinod Koul: "We have three small fixes. First one from Andy reverts the devm_request irq as we need to ensure the tasklet is killed after irq is freed, so we need to do free irq in our code. Other two from Arnd are fixing the compilation issue in omap and sa11x0 drivers with ARM randconfigs" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: sa11x0: remove broken #ifdef dmaengine: omap: hide filter_fn for built-in drivers dmaengine: dw: went back to plain {request,free}_irq() calls
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由 Philipp Zabel 提交于
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de> Signed-off-by: NOlof Johansson <olof@lixom.net>
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- 26 5月, 2014 10 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs由 Linus Torvalds 提交于
Pull AFS fixes and cleanups from David Howells: "Here are some patches to the AFS filesystem: 1) Fix problems in the clean-up parts of the cache manager service handler. 2) Split afs_end_call() introduced in (1) and replace some identical code elsewhere with a call to the first half of the split function. 3) Fix an error introduced in the workqueue PREPARE_WORK() elimination commits. 4) Clean up argument passing to functions called from the workqueue as there's now an insulating layer between them and the workqueue. This is possible from (3)" * 'afs' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: AFS: Pass an afs_call* to call->async_workfn() instead of a work_struct* AFS: Fix kafs module unloading AFS: Part of afs_end_call() is identical to code elsewhere, so split it AFS: Fix cache manager service handlers
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由 Linus Torvalds 提交于
Merge documentation fixes from Randy Dunlap. * emailed patches from Randy Dunlap <rdunlap@infradead.org>: Documentation: update /proc/stat "intr" count summary Documentation: update java sample wrapper for java 7 Documentation: update thunderbird email client settings Documentation: fix typos in drm docbook
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由 Jan Moskyto Matejka 提交于
The sum at the beginning of line "intr" includes also unnumbered interrupts. It implies that the sum at the beginning isn't the sum of the remainder of the line, not even an estimation. Fixed the documentation to mention that. This behaviour was added to /proc/stat in commit a2eddfa9 ("x86: make /proc/stat account for all interrupts") Signed-off-by: NJan Moskyto Matejka <mq@suse.cz> Signed-off-by: NRandy Dunlap <rdunlap@infradead.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jonathan Callen 提交于
The sample wrapper currently fails on some Java 7 .class files. This updates the wrapper to properly handle those files. Signed-off-by: NJonathan Callen <jcallen@gentoo.org> Signed-off-by: NRandy Dunlap <rdunlap@infradead.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Paul McQuade 提交于
Added setting to email-clients that is easier to read and is easier to setup thunderbird. Removed config settings and added GUI settings. Signed-off-by: NPaul McQuade <paulmcquad@gmail.com> Signed-off-by: NRandy Dunlap <rdunlap@infradead.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Masanari Iida 提交于
Fix spelling typo in DocBook/drm.tmpl Signed-off-by: NMasanari Iida <standby24x7@gmail.com> Signed-off-by: NRandy Dunlap <rdunlap@infradead.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging由 Linus Torvalds 提交于
Pull hwmon subsystem fixes from Jean Delvare. * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (ntc_thermistor) Fix OF device ID mapping hwmon: (ntc_thermistor) Fix dependencies hwmon: Document temp[1-*]_min_hyst sysfs attribute
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi由 Linus Torvalds 提交于
Pull single scsi fix from James Bottomley: "This is a single fix for a bug exposed by a sysfs change in 3.13 which now causes libsas to trigger a warn on in device removal" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] scsi_transport_sas: move bsg destructor into sas_rphy_remove
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git://linux-nfs.org/~bfields/linux由 Linus Torvalds 提交于
Pull two nfsd bugfixes from Bruce Fields: "Just two bugfixes, one for a merge-window-introduced ACL regression, the other for a longer-standing v4 state bug" * 'for-3.15' of git://linux-nfs.org/~bfields/linux: nfsd4: warn on finding lockowner without stateid's nfsd4: remove lockowner when removing lock stateid nfsd4: fix corruption on setting an ACL.
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- 25 5月, 2014 3 次提交
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由 Jean Delvare 提交于
The mapping from OF device IDs to platform device IDs is wrong. TYPE_NCPXXWB473 is 0, TYPE_NCPXXWL333 is 1, so ntc_thermistor_id[TYPE_NCPXXWB473] is { "ncp15wb473", TYPE_NCPXXWB473 } while ntc_thermistor_id[TYPE_NCPXXWL333] is { "ncp18wb473", TYPE_NCPXXWB473 }. So the name is wrong for all but the "ntc,ncp15wb473" entry, and the type is wrong for the "ntc,ncp15wl333" entry. So map the entries by index, it is neither elegant nor robust but at least it is correct. Signed-off-by: NJean Delvare <jdelvare@suse.de> Fixes: 9e8269de hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver Reviewed-by: NGuenter Roeck <linux@roeck-us.net> Cc: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Cc: Doug Anderson <dianders@chromium.org>
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由 Jean Delvare 提交于
In commit 9e8269de, support was added for ntc_thermistor devices being declared in the device tree and implemented on top of IIO. With that change, a dependency was added to the ntc_thermistor driver: depends on (!OF && !IIO) || (OF && IIO) This construct has the drawback that the driver can no longer be selected when OF is set and IIO isn't, nor when IIO is set and OF is not. This is a regression for the original users of the driver. As the new code depends on IIO and is useless without OF, include it only if both are enabled, and set the dependencies accordingly. This is clearer, more simple and more correct. Signed-off-by: NJean Delvare <jdelvare@suse.de> Fixes: 9e8269de hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver Reviewed-by: NGuenter Roeck <linux@roeck-us.net> Cc: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Cc: Doug Anderson <dianders@chromium.org>
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由 Jean Delvare 提交于
The temp[1-*]_min_hyst sysfs attribute is already implemented by 3 hwmon drivers (adt7x10, lm77 and lm92) but was missing from the standard interface. Also add temp[1-*]_lcrit_hyst for consistency, even though no driver implement that one for the time being. Signed-off-by: NJean Delvare <jdelvare@suse.de> Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
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- 24 5月, 2014 21 次提交
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由 Linus Torvalds 提交于
Merge tag 'dmaengine-fixes-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine Pull dmaengine fixes from Dan Williams: "Two fixes for -stable: - async_mult() sometimes maps less buffers than initially requested. We end up freeing dmaengine_unmap_data on an invalid pool. - mv_xor: register write ordering fix" * tag 'dmaengine-fixes-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine: dmaengine: fix dmaengine_unmap failure dma: mv_xor: Flush descriptors before activating a channel
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc由 Linus Torvalds 提交于
Pull sparc fixes from David Miller: "A small bunch of bug fixes, in particular: 1) On older cpus we need a different chunk of virtual address space to map the huge page TSB. 2) Missing memory barrier in Niagara2 memcpy. 3) trinity showed some places where fault validation was unnecessarily loud on sparc64 4) Some sysfs printf's need a type adjustment, from Toralf Förster" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: fix format string mismatch in arch/sparc/kernel/sysfs.c sparc64: Add membar to Niagara2 memcpy code. sparc64: Fix huge TSB mapping on pre-UltraSPARC-III cpus. sparc64: Don't bark so loudly about 32-bit tasks generating 64-bit fault addresses.
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull networking fixes from David Miller: "It looks like a sizeble collection but this is nearly 3 weeks of bug fixing while you were away. 1) Fix crashes over IPSEC tunnels with NAT, the latter can reroute the packet through a non-IPSEC protected path and the code has to be able to handle SKBs attached to routes lacking an attached xfrm state. From Steffen Klassert. 2) Fix OOPSs in ipv4 and ipv6 ipsec layers for unsupported sub-protocols, also from Steffen Klassert. 3) Set local_df on fragmented netfilter skbs otherwise we won't be able to forward successfully, from Florian Westphal. 4) cdc_mbim ipv6 neighbour code does __vlan_find_dev_deep without holding RCU lock, from Bjorn Mork. 5) local_df test in ip_may_fragment is inverted, from Florian Westphal. 6) jme driver doesn't check for DMA mapping failures, from Neil Horman. 7) qlogic driver doesn't calculate number of TX queues properly, from Shahed Shaikh. 8) fib_info_cnt can drift irreversibly positive if we fail to allocate the fi->fib_metrics array, from Sergey Popovich. 9) Fix use after free in ip6_route_me_harder(), also from Sergey Popovich. 10) When SYSCTL is disabled, we don't handle local_port_range and ping_group_range defaults properly at all, from Cong Wang. 11) Unaccelerated VLAN tagged frames improperly handled by cdc_mbim driver, fix from Bjorn Mork. 12) cassini driver needs nested lock annotations for TX locking, from Emil Goode. 13) On init error ipv6 VTI driver can unregister pernet ops twice, oops. Fix from Mahtias Krause. 14) If macvlan device is down, don't propagate IFF_ALLMULTI changes, from Peter Christensen. 15) Missing NULL pointer check while parsing netlink config options in ip6_tnl_validate(). From Susant Sahani. 16) Fix handling of neighbour entries during ipv6 router reachability probing, from Duan Jiong. 17) x86 and s390 JIT address randomization has some address calculation bugs leading to crashes, from Alexei Starovoitov and Heiko Carstens. 18) Clear up those uglies with nop patching and net_get_random_once(), from Hannes Frederic Sowa. 19) Option length miscalculated in ip6_append_data(), fix also from Hannes Frederic Sowa. 20) A while ago we fixed a race during device unregistry when a namespace went down, turns out there is a second place that needs similar protection. From Cong Wang. 21) In the new Altera TSE driver multicast filtering isn't working, disable it and just use promisc mode until the cause is found. From Vince Bridgers. 22) When we disable router enabling in ipv6 we have to flush the cached routes explicitly, from Duan Jiong. 23) NBMA tunnels should not cache routes on the tunnel object because the key is variable, from Timo Teräs. 24) With stacked devices GRO information in skb->cb[] can be not setup properly, make sure it is in all code paths. From Eric Dumazet. 25) Really fix stacked vlan locking, multiple levels of nesting with intervening non-vlan devices are possible. From Vlad Yasevich. 26) Fallback ipip tunnel device's mtu is not setup properly, from Steffen Klassert. 27) The packet scheduler's tcindex filter can crash because we structure copy objects with list_head's inside, oops. From Cong Wang. 28) Fix CHECKSUM_COMPLETE handling for ipv6 GRE tunnels, from Eric Dumazet. 29) In some configurations 'itag' in __mkroute_input() can end up being used uninitialized because of how fib_validate_source() works. Fix it by explitly initializing itag to zero like all the other fib_validate_source() callers do, from Li RongQing" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (116 commits) batman: fix a bogus warning from batadv_is_on_batman_iface() ipv4: initialise the itag variable in __mkroute_input bonding: Send ALB learning packets using the right source bonding: Don't assume 802.1Q when sending alb learning packets. net: doc: Update references to skb->rxhash stmmac: Remove unbalanced clk_disable call ipv6: gro: fix CHECKSUM_COMPLETE support net_sched: fix an oops in tcindex filter can: peak_pci: prevent use after free at netdev removal ip_tunnel: Initialize the fallback device properly vlan: Fix build error wth vlan_get_encap_level() can: c_can: remove obsolete STRICT_FRAME_ORDERING Kconfig option MAINTAINERS: Pravin Shelar is Open vSwitch maintainer. bnx2x: Convert return 0 to return rc bonding: Fix alb mode to only use first level vlans. bonding: Fix stacked device detection in arp monitoring macvlan: Fix lockdep warnings with stacked macvlan devices vlan: Fix lockdep warning with stacked vlan devices. net: Allow for more then a single subclass for netif_addr_lock net: Find the nesting level of a given device by type. ...
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由 Arnd Bergmann 提交于
Merge tag 'samsung-fixes-2nd-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes Samsung-fixes-2 for 3.15 - keep LD04 always on for exynos5250-arndale - fix spi interrupt numbers for exynos5420 - fix ak8975 compatible for exynos4412-trats2 * tag 'samsung-fixes-2nd-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: dts: Keep LDO4 always ON for exynos5250-arndale board ARM: dts: Fix SPI interrupt numbers for exynos5420 ARM: dts: fix incorrect ak8975 compatible for exynos4412-trats2 board Signed-off-by: NArnd Bergmann <arnd@arndb.de>
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由 Alexandre Courbot 提交于
The setup_max_cpus variable is only defined if CONFIG_SMP is set. Add a preprocessor condition to avoid the following compilation error if CONFIG_SMP is not set: arch/arm/include/asm/trusted_foundations.h: In function 'register_trusted_foundations': arch/arm/include/asm/trusted_foundations.h:57:2: error: 'setup_max_cpus' undeclared (first use in this function) Signed-off-by: NAlexandre Courbot <acourbot@nvidia.com> Reported-by: NRussell King <rmk+kernel@arm.linux.org.uk> Acked-by: NStephen Warren <swarren@nvidia.com> Signed-off-by: NArnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull scheduler fixes from Ingo Molnar: "The biggest commit is an irqtime accounting loop latency fix, the rest are misc fixes all over the place: deadline scheduling, docs, numa, balancer and a bad to-idle latency fix" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/numa: Initialize newidle balance stats in sd_numa_init() sched: Fix updating rq->max_idle_balance_cost and rq->next_balance in idle_balance() sched: Skip double execution of pick_next_task_fair() sched: Use CPUPRI_NR_PRIORITIES instead of MAX_RT_PRIO in cpupri check sched/deadline: Fix memory leak sched/deadline: Fix sched_yield() behavior sched: Sanitize irq accounting madness sched/docbook: Fix 'make htmldocs' warnings caused by missing description
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull perf fixes from Ingo Molnar: "The biggest changes are fixes for races that kept triggering Trinity crashes, plus liblockdep build fixes and smaller misc fixes. The liblockdep bits in perf/urgent are a pull mistake - they should have been in locking/urgent - but by the time I noticed other commits were added and testing was done :-/ Sorry about that" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix a race between ring_buffer_detach() and ring_buffer_attach() perf: Prevent false warning in perf_swevent_add perf: Limit perf_event_attr::sample_period to 63 bits tools/liblockdep: Remove all build files when doing make clean tools/liblockdep: Build liblockdep from tools/Makefile perf/x86/intel: Fix Silvermont's event constraints perf: Fix perf_event_init_context() perf: Fix race in removing an event
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull drm radeon and nouveau fixes from Dave Airlie: "Fixes for the other big two. The radeon VCE one is large but it fixes some userspace triggerable issues, otherwise its blackscreens and oopses. Nouveau fixes a bleeding laptop panel issue when displayport is used sometimes" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon/pm: don't allow debugfs/sysfs access when PX card is off (v2) drm/radeon: avoid segfault on device open when accel is not working. drm/radeon: fix typo in finding PLL params drm/radeon: fix register typo on si drm/radeon: fix buffer placement under memory pressure v2 drm/radeon: fix page directory update size estimation drm/radeon: handle non-VGA class pci devices with ATRM drm/radeon: fix DCE83 check for mullins drm/radeon: check VCE relocation buffer range v3 drm/radeon: also try GART for CPU accessed buffers drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup drm/nvd9/therm: handle another kind of PWM fan
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由 Linus Torvalds 提交于
Merge misc fixes from Andrew Morton: "9 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: MAINTAINERS: add closing angle bracket to Vince Bridgers' email address Documentation: fix DOCBOOKS=... building ocfs2: fix double kmem_cache_destroy in dlm_init mm/memory-failure.c: fix memory leak by race between poison and unpoison wait: swap EXIT_ZOMBIE(Z) and EXIT_DEAD(X) chars in TASK_STATE_TO_CHAR_STR memcg: fix swapcache charge from kernel thread context mm: madvise: fix MADV_WILLNEED on shmem swapouts mm/filemap.c: avoid always dirtying mapping->flags on O_DIRECT hwpoison, hugetlb: lock_page/unlock_page does not match for handling a free hugepage
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由 Tobias Klauser 提交于
Signed-off-by: NTobias Klauser <tklauser@distanz.ch> Cc: Vince Bridgers <vbridgers2013@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Johannes Berg 提交于
Prior to commit 42661299 ("[media] DocBook: Move all media docbook stuff into its own directory") it was possible to build only a single (or more) book(s) by calling, for example make htmldocs DOCBOOKS=80211.xml This now fails: cp: target `.../Documentation/DocBook//media_api' is not a directory Ignore errors from that copy to make this possible again. Fixes: 42661299 ("[media] DocBook: Move all media docbook stuff into its own directory") Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Acked-by: NRandy Dunlap <rdunlap@xenotime.net> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Joseph Qi 提交于
In dlm_init, if create dlm_lockname_cache failed in dlm_init_master_caches, it will destroy dlm_lockres_cache which created before twice. And this will cause system die when loading modules. Signed-off-by: NJoseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Naoya Horiguchi 提交于
When a memory error happens on an in-use page or (free and in-use) hugepage, the victim page is isolated with its refcount set to one. When you try to unpoison it later, unpoison_memory() calls put_page() for it twice in order to bring the page back to free page pool (buddy or free hugepage list). However, if another memory error occurs on the page which we are unpoisoning, memory_failure() returns without releasing the refcount which was incremented in the same call at first, which results in memory leak and unconsistent num_poisoned_pages statistics. This patch fixes it. Signed-off-by: NNaoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: <stable@vger.kernel.org> [2.6.32+] Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Masatake YAMATO 提交于
In commit ad86622b ("wait: swap EXIT_ZOMBIE and EXIT_DEAD to hide EXIT_TRACE from user-space") the order of task state definitions were changed: EXIT_DEAD and EXIT_ZOMBIE were swapped. Though the charterers for the states in TASK_STATE_TO_CHAR_STR string were not updated. This patch synchronizes the string to the order of definitions. Signed-off-by: NMasatake YAMATO <yamato@redhat.com> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Michal Hocko 提交于
Commit 284f39af ("mm: memcg: push !mm handling out to page cache charge function") explicitly checks for page cache charges without any mm context (from kernel thread context[1]). This seemed to be the only possible case where memory could be charged without mm context so commit 03583f1a ("memcg: remove unnecessary !mm check from try_get_mem_cgroup_from_mm()") removed the mm check from get_mem_cgroup_from_mm(). This however caused another NULL ptr dereference during early boot when loopback kernel thread splices to tmpfs as reported by Stephan Kulow: BUG: unable to handle kernel NULL pointer dereference at 0000000000000360 IP: get_mem_cgroup_from_mm.isra.42+0x2b/0x60 Oops: 0000 [#1] SMP Modules linked in: btrfs dm_multipath dm_mod scsi_dh multipath raid10 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx raid1 raid0 md_mod parport_pc parport nls_utf8 isofs usb_storage iscsi_ibft iscsi_boot_sysfs arc4 ecb fan thermal nfs lockd fscache nls_iso8859_1 nls_cp437 sg st hid_generic usbhid af_packet sunrpc sr_mod cdrom ata_generic uhci_hcd virtio_net virtio_blk ehci_hcd usbcore ata_piix floppy processor button usb_common virtio_pci virtio_ring virtio edd squashfs loop ppa] CPU: 0 PID: 97 Comm: loop1 Not tainted 3.15.0-rc5-5-default #1 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 Call Trace: __mem_cgroup_try_charge_swapin+0x40/0xe0 mem_cgroup_charge_file+0x8b/0xd0 shmem_getpage_gfp+0x66b/0x7b0 shmem_file_splice_read+0x18f/0x430 splice_direct_to_actor+0xa2/0x1c0 do_lo_receive+0x5a/0x60 [loop] loop_thread+0x298/0x720 [loop] kthread+0xc6/0xe0 ret_from_fork+0x7c/0xb0 Also Branimir Maksimovic reported the following oops which is tiggered for the swapcache charge path from the accounting code for kernel threads: CPU: 1 PID: 160 Comm: kworker/u8:5 Tainted: P OE 3.15.0-rc5-core2-custom #159 Hardware name: System manufacturer System Product Name/MAXIMUSV GENE, BIOS 1903 08/19/2013 task: ffff880404e349b0 ti: ffff88040486a000 task.ti: ffff88040486a000 RIP: get_mem_cgroup_from_mm.isra.42+0x2b/0x60 Call Trace: __mem_cgroup_try_charge_swapin+0x45/0xf0 mem_cgroup_charge_file+0x9c/0xe0 shmem_getpage_gfp+0x62c/0x770 shmem_write_begin+0x38/0x40 generic_perform_write+0xc5/0x1c0 __generic_file_aio_write+0x1d1/0x3f0 generic_file_aio_write+0x4f/0xc0 do_sync_write+0x5a/0x90 do_acct_process+0x4b1/0x550 acct_process+0x6d/0xa0 do_exit+0x827/0xa70 kthread+0xc3/0xf0 This patch fixes the issue by reintroducing mm check into get_mem_cgroup_from_mm. We could do the same trick in __mem_cgroup_try_charge_swapin as we do for the regular page cache path but it is not worth troubles. The check is not that expensive and it is better to have get_mem_cgroup_from_mm more robust. [1] - http://marc.info/?l=linux-mm&m=139463617808941&w=2 Fixes: 03583f1a ("memcg: remove unnecessary !mm check from try_get_mem_cgroup_from_mm()") Reported-and-tested-by: NStephan Kulow <coolo@suse.com> Reported-by: NBranimir Maksimovic <branimir.maksimovic@gmail.com> Signed-off-by: NMichal Hocko <mhocko@suse.cz> Acked-by: NJohannes Weiner <hannes@cmpxchg.org> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Johannes Weiner 提交于
MADV_WILLNEED currently does not read swapped out shmem pages back in. Commit 0cd6144a ("mm + fs: prepare for non-page entries in page cache radix trees") made find_get_page() filter exceptional radix tree entries but failed to convert all find_get_page() callers that WANT exceptional entries over to find_get_entry(). One of them is shmem swap readahead in madvise, which now skips over any swap-out records. Convert it to find_get_entry(). Fixes: 0cd6144a ("mm + fs: prepare for non-page entries in page cache radix trees") Signed-off-by: NJohannes Weiner <hannes@cmpxchg.org> Reported-by: NHugh Dickins <hughd@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jens Axboe 提交于
In some testing I ran today (some fio jobs that spread over two nodes), we end up spending 40% of the time in filemap_check_errors(). That smells fishy. Looking further, this is basically what happens: blkdev_aio_read() generic_file_aio_read() filemap_write_and_wait_range() if (!mapping->nr_pages) filemap_check_errors() and filemap_check_errors() always attempts two test_and_clear_bit() on the mapping flags, thus dirtying it for every single invocation. The patch below tests each of these bits before clearing them, avoiding this issue. In my test case (4-socket box), performance went from 1.7M IOPS to 4.0M IOPS. Signed-off-by: NJens Axboe <axboe@fb.com> Acked-by: NJeff Moyer <jmoyer@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Chen Yucong 提交于
For handling a free hugepage in memory failure, the race will happen if another thread hwpoisoned this hugepage concurrently. So we need to check PageHWPoison instead of !PageHWPoison. If hwpoison_filter(p) returns true or a race happens, then we need to unlock_page(hpage). Signed-off-by: NChen Yucong <slaoub@gmail.com> Reviewed-by: NNaoya Horiguchi <n-horiguchi@ah.jp.nec.com> Tested-by: NNaoya Horiguchi <n-horiguchi@ah.jp.nec.com> Reviewed-by: NAndi Kleen <ak@linux.intel.com> Cc: <stable@vger.kernel.org> [2.6.36+] Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
The 'renameat2()' system call was incorrectly added as a ENTRY_COMP() in the parisc system call table by commit 18e480aa ("parisc: add renameat2 syscall"). That causes a link-time error due to there not being any compat version of that system call: arch/parisc/kernel/built-in.o: In function `sys_call_table': (.rodata+0xad0): undefined reference to `compat_sys_renameat2' make: *** [vmlinux] Error 1 Easily fixed by marking the system call as being the same for compat as for native by using ENTRY_SAME() instead of ENTRY_COMP(). Reported-by: NGuenter Roeck <linux@roeck-us.net> Acked-by: NMiklos Szeredi <miklos@szeredi.hu> Acked-by: NHelge Deller <deller@gmx.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://github.com/at91linux/linux-at91由 Arnd Bergmann 提交于
Second 3.15 fixes for AT91 - two fixes concerning iio ADC triggers for at91sam9260 and at91sam9g20 one for the "device" file, the other for the DT. * tag 'at91-fixes2' of git://github.com/at91linux/linux-at91: ARM: at91: sam9260: fix compilation issues ARM: at91/dt: sam9260: correct external trigger value Signed-off-by: NArnd Bergmann <arnd@arndb.de>
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git://git.infradead.org/linux-mvebu由 Arnd Bergmann 提交于
mvebu fixes for v3.15 (incremental #2) - Armada 38x - fix PCIe dt nodes for handling more interfaces - mvebu - mvebu-soc-id: fix clock handling and PCIe interface disabling. * tag 'mvebu-fixes-3.15-2' of git://git.infradead.org/linux-mvebu: ARM: mvebu: fix definitions of PCIe interfaces on Armada 38x ARM: mvebu: mvebu-soc-id: keep clock enabled if PCIe unit is enabled ARM: mvebu: mvebu-soc-id: add missing clk_put() call Signed-off-by: NArnd Bergmann <arnd@arndb.de>
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- 23 5月, 2014 1 次提交
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由 David Howells 提交于
call->async_workfn() can take an afs_call* arg rather than a work_struct* as the functions assigned there are now called from afs_async_workfn() which has to call container_of() anyway. Signed-off-by: NDavid Howells <dhowells@redhat.com> Reviewed-by: NNathaniel Wesley Filardo <nwf@cs.jhu.edu> Reviewed-by: NTejun Heo <tj@kernel.org>
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