- 27 2月, 2014 2 次提交
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由 Ingo Molnar 提交于
It's not really a regression fix, so move it to the v3.15 queue. Signed-off-by: NIngo Molnar <mingo@kernel.org>
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由 Ingo Molnar 提交于
This reverts commit 980f88e4. This warning is actually useful, don't suppress it. We actually rely on the shadowing for ___wait_cond_timeout(). We further used the __ret variable in __wait_event_timeout()'s cmd argument: __ret = schedule_timeout(__ret). That now explicitly uses the wrong __ret. Reported-by: NGregory CLEMENT <gregory.clement@free-electrons.com> Requested-by: NAndrew Morton <akpm@linux-foundation.org> Requested-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-Q5blhuqqzwgVwvjf1gszrdol@git.kernel.orgSigned-off-by: NIngo Molnar <mingo@kernel.org>
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- 10 2月, 2014 6 次提交
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由 Oleg Nesterov 提交于
Cosmetic. This doesn't really matter because a) device->mutex is the only user of __lockdep_no_validate__ and b) this class should be never reported as the source of problem, but if something goes wrong "&dev->mutex" looks better than "&__lockdep_no_validate__" as the name of the lock. Signed-off-by: NOleg Nesterov <oleg@redhat.com> Cc: Dave Jones <davej@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140120182016.GA26512@redhat.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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由 Oleg Nesterov 提交于
The __lockdep_no_validate check in mark_held_locks() adds the subtle and (afaics) unnecessary difference between no-validate and check==0. And this looks even more inconsistent because __lock_acquire() skips mark_irqflags()->mark_lock() if !check. Change mark_held_locks() to check hlock->check instead. Signed-off-by: NOleg Nesterov <oleg@redhat.com> Cc: Dave Jones <davej@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140120182013.GA26505@redhat.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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由 Oleg Nesterov 提交于
Test-case: DEFINE_MUTEX(m1); DEFINE_MUTEX(m2); DEFINE_MUTEX(mx); void lockdep_should_complain(void) { lockdep_set_novalidate_class(&mx); // m1 -> mx -> m2 mutex_lock(&m1); mutex_lock(&mx); mutex_lock(&m2); mutex_unlock(&m2); mutex_unlock(&mx); mutex_unlock(&m1); // m2 -> m1 ; should trigger the warning mutex_lock(&m2); mutex_lock(&m1); mutex_unlock(&m1); mutex_unlock(&m2); } this doesn't trigger any warning, lockdep can't detect the trivial deadlock. This is because lock(&mx) correctly avoids m1 -> mx dependency, it skips validate_chain() due to mx->check == 0. But lock(&m2) wrongly adds mx -> m2 and thus m1 -> m2 is not created. rcu_lock_acquire()->lock_acquire(check => 0) is fine due to read == 2, so currently only __lockdep_no_validate__ can trigger this problem. Signed-off-by: NOleg Nesterov <oleg@redhat.com> Cc: Dave Jones <davej@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140120182010.GA26498@redhat.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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由 Oleg Nesterov 提交于
The "int check" argument of lock_acquire() and held_lock->check are misleading. This is actually a boolean: 2 means "true", everything else is "false". And there is no need to pass 1 or 0 to lock_acquire() depending on CONFIG_PROVE_LOCKING, __lock_acquire() checks prove_locking at the start and clears "check" if !CONFIG_PROVE_LOCKING. Note: probably we can simply kill this member/arg. The only explicit user of check => 0 is rcu_lock_acquire(), perhaps we can change it to use lock_acquire(trylock =>, read => 2). __lockdep_no_validate means check => 0 implicitly, but we can change validate_chain() to check hlock->instance->key instead. Not to mention it would be nice to get rid of lockdep_set_novalidate_class(). Signed-off-by: NOleg Nesterov <oleg@redhat.com> Cc: Dave Jones <davej@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140120182006.GA26495@redhat.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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由 Tim Chen 提交于
This patch allows each architecture to add its specific assembly optimized arch_mcs_spin_lock_contended and arch_mcs_spinlock_uncontended for MCS lock and unlock functions. Signed-off-by: NTim Chen <tim.c.chen@linux.intel.com> Cc: Scott J Norton <scott.norton@hp.com> Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Cc: AswinChandramouleeswaran <aswin@hp.com> Cc: George Spelvin <linux@horizon.com> Cc: Rik vanRiel <riel@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: MichelLespinasse <walken@google.com> Cc: Peter Hurley <peter@hurleysoftware.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Alex Shi <alex.shi@linaro.org> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: "Figo.zhang" <figo1802@gmail.com> Cc: "Paul E.McKenney" <paulmck@linux.vnet.ibm.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Davidlohr Bueso <davidlohr.bueso@hp.com> Cc: Waiman Long <waiman.long@hp.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Will Deacon <will.deacon@arm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matthew R Wilcox <matthew.r.wilcox@intel.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1390347382.3138.67.camel@schen9-DESKSigned-off-by: NIngo Molnar <mingo@kernel.org>
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由 Tim Chen 提交于
We perform a clean up of the Kbuid files in each architecture. We order the files in each Kbuild in alphabetical order by running the below script. for i in arch/*/include/asm/Kbuild do cat $i | gawk '/^generic-y/ { i = 3; do { for (; i <= NF; i++) { if ($i == "\\") { getline; i = 1; continue; } if ($i != "") hdr[$i] = $i; } break; } while (1); next; } // { print $0; } END { n = asort(hdr); for (i = 1; i <= n; i++) print "generic-y += " hdr[i]; }' > ${i}.sorted; mv ${i}.sorted $i; done Signed-off-by: NTim Chen <tim.c.chen@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Matthew R Wilcox <matthew.r.wilcox@intel.com> Cc: AswinChandramouleeswaran <aswin@hp.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: "Paul E.McKenney" <paulmck@linux.vnet.ibm.com> Cc: Scott J Norton <scott.norton@hp.com> Cc: Will Deacon <will.deacon@arm.com> Cc: "Figo.zhang" <figo1802@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rik van Riel <riel@redhat.com> Cc: Waiman Long <waiman.long@hp.com> Cc: Peter Hurley <peter@hurleysoftware.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Alex Shi <alex.shi@linaro.org> Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: George Spelvin <linux@horizon.com> Cc: MichelLespinasse <walken@google.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Davidlohr Bueso <davidlohr.bueso@hp.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> [ Fixed build bug. ] Signed-off-by: NIngo Molnar <mingo@kernel.org>
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- 09 2月, 2014 1 次提交
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由 Johannes Berg 提交于
This warning seems to show up a lot now, since ___wait_event() is (indirectly) used inside wait_event_timeout(), which also has a variable called __ret. Rename the one in ___wait_event() to ___ret (another leading underscore) to suppress the warning. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/1391704121.12789.20.camel@jlt4.sipsolutions.netSigned-off-by: NIngo Molnar <mingo@kernel.org>
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- 02 2月, 2014 8 次提交
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由 Ingo Molnar 提交于
Refresh the topic. Signed-off-by: NIngo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild由 Linus Torvalds 提交于
Pull misc kbuild changes from Michal Marek: "The non-critical part of kbuild is small this time: - Three fixes for make deb-pkg - A new coccinelle check One of the deb-pkg fixes is a leftover from the last merge window, hence the merge commit" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: deb-pkg: Fix building for MIPS big-endian or ARM OABI deb-pkg: Fix cross-building linux-headers package scripts: Coccinelle script for pm_runtime_* return checks with IS_ERR_VALUE deb-pkg: Inhibit initramfs builders if CONFIG_BLK_DEV_INITRD is not set
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由 Pali Rohár 提交于
Both proc files are writeable and used for configuring cells. But there is missing correct mode flag for writeable files. Without this patch both proc files are read only. [ It turns out they aren't really read-only, since root can write to them even if the write bit isn't set due to CAP_DAC_OVERRIDE ] Signed-off-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Heiko Carstens 提交于
With commit d8d14bd0 ("fs/compat: fix lookup_dcookie() parameter handling") I changed the type of the len parameter of the lookup_dcookie() syscall. However I missed that there was still a stale declaration in arch/tile/.. which now causes a compile error on tile: In file included from fs/dcookies.c:28:0: include/linux/compat.h:425:17: error: conflicting types for 'compat_sys_lookup_dcookie' fs/dcookies.c:207:1: error: conflicting types for 'compat_sys_lookup_dcookie' Simply remove the declaration in the tile architecture, which is only a leftover from before the different compat lookup_dcookie() versions have been merged. The correct declaration is now in include/linux/compat.h The build error was reported by Fenguang's build bot. Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Acked-by: NChris Metcalf <cmetcalf@tilera.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.samba.org/sfrench/cifs-2.6由 Linus Torvalds 提交于
Pull cifs fixes from Steve French: "A set of cifs fixes (mostly for symlinks, and SMB2 xattrs) and cleanups" * 'for-linus' of git://git.samba.org/sfrench/cifs-2.6: cifs: Fix check for regular file in couldbe_mf_symlink() [CIFS] Fix SMB2 mounts so they don't try to set or get xattrs via cifs CIFS: Cleanup cifs open codepath CIFS: Remove extra indentation in cifs_sfu_type CIFS: Cleanup cifs_mknod CIFS: Cleanup CIFSSMBOpen cifs: Add support for follow_link on dfs shares under posix extensions cifs: move unix extension call to cifs_query_symlink() cifs: Re-order M-F Symlink code cifs: Add create MFSymlinks to protocol ops struct cifs: use protocol specific call for query_mf_symlink() cifs: Rename MF symlink function names cifs: Rename and cleanup open_query_close_cifs_symlink() cifs: Fix memory leak in cifs_hardlink()
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs由 Linus Torvalds 提交于
Pull vfs fixes from Al Viro: "Several obvious fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Fix mountpoint reference leakage in linkat hfsplus: use xattr handlers for removexattr Typo in compat_sys_lseek() declaration fs/super.c: sync ro remount after blocking writers vfs: unexport the getname() symbol
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging由 Linus Torvalds 提交于
Pull rtl8812ae staging wireless driver from Greg KH: "Here's a single staging driver for a wireless chipset that has shown up in the SteamBox hardware. It is merged separately from the "main" staging pull request to sync up with the wireless api changes that came in from the networking tree. It's self-contained and works for me and others. Larry will be replacing it with a "real" driver for 3.15, but for now this one is needed" * tag 'staging-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: r8821ae: Enable build by reverting BROKEN marking staging: r8821ae: Fix build problems Staging: rtl8812ae: disable due to build errors Staging: rtl8821ae: add TODO file Staging: rtl8821ae: removed unused functions and variables Staging: rtl8821ae: rc.c: fix up function prototypes Staging: rtl8812ae: Add Realtek 8821 PCI WIFI driver
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由 Rafael J. Wysocki 提交于
Revert commit ef83b078 "PCI: Remove from bus_list and release resources in pci_release_dev()" that made some nasty race conditions become possible. For example, if a Thunderbolt link is unplugged and then replugged immediately, the pci_release_dev() resulting from the hot-remove code path may be racing with the hot-add code path which after that commit causes various kinds of breakage to happen (up to and including a hard crash of the whole system). Moreover, the problem that commit ef83b078 attempted to address cannot happen any more after commit 8a4c5c32 "PCI: Check parent kobject in pci_destroy_dev()", because pci_destroy_dev() will now return immediately if it has already been executed for the given device. Note, however, that the invocation of msi_remove_pci_irq_vectors() removed by commit ef83b078 from pci_free_resources() along with the other changes made by it is not added back because of subsequent code changes depending on that modification. Fixes: ef83b078 (PCI: Remove from bus_list and release resources in pci_release_dev()) Reported-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 01 2月, 2014 22 次提交
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git://git.linux-nfs.org/projects/trondmy/linux-nfs由 Linus Torvalds 提交于
Pull NFS client bugfixes from Trond Myklebust: "Highlights: - Fix several races in nfs_revalidate_mapping - NFSv4.1 slot leakage in the pNFS files driver - Stable fix for a slot leak in nfs40_sequence_done - Don't reject NFSv4 servers that support ACLs with only ALLOW aces" * tag 'nfs-for-3.14-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: nfs: initialize the ACL support bits to zero. NFSv4.1: Cleanup NFSv4.1: Clean up nfs41_sequence_done NFSv4: Fix a slot leak in nfs40_sequence_done NFSv4.1 free slot before resending I/O to MDS nfs: add memory barriers around NFS_INO_INVALID_DATA and NFS_INO_INVALIDATING NFS: Fix races in nfs_revalidate_mapping sunrpc: turn warn_gssd() log message into a dprintk() NFS: fix the handling of NFS_INO_INVALID_DATA flag in nfs_revalidate_mapping nfs: handle servers that support only ALLOW ACE type.
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound由 Linus Torvalds 提交于
Pull sound fixes from Takashi Iwai: "The big chunks here are the updates for oxygen driver for Xonar DG devices, which were slipped from the previous pull request. They are device-specific and thus not too dangerous. Other than that, all patches are small bug fixes, mainly for Samsung build fixes, a few HD-audio enhancements, and other misc ASoC fixes. (And this time ASoC merge is less than Octopus, lucky seven :)" * tag 'sound-fix-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (42 commits) ALSA: hda/hdmi - allow PIN_OUT to be dynamically enabled ALSA: hda - add headset mic detect quirks for another Dell laptop ALSA: oxygen: Xonar DG(X): cleanup and minor changes ALSA: oxygen: Xonar DG(X): modify high-pass filter control ALSA: oxygen: Xonar DG(X): modify input select functions ALSA: oxygen: Xonar DG(X): modify capture volume functions ALSA: oxygen: Xonar DG(X): use headphone volume control ALSA: oxygen: Xonar DG(X): modify playback output select ALSA: oxygen: Xonar DG(X): capture from I2S channel 1, not 2 ALSA: oxygen: Xonar DG(X): move the mixer code into another file ALSA: oxygen: modify CS4245 register dumping function ALSA: oxygen: modify adjust_dg_dac_routing function ALSA: oxygen: Xonar DG(X): modify DAC/ADC parameters function ALSA: oxygen: Xonar DG(X): modify initialization functions ALSA: oxygen: Xonar DG(X): add new CS4245 SPI functions ALSA: oxygen: additional definitions for the Xonar DG/DGX card ALSA: oxygen: change description of the xonar_dg.c file ALSA: oxygen: export oxygen_update_dac_routing symbol ALSA: oxygen: add mute mask for the OXYGEN_PLAY_ROUTING register ALSA: oxygen: modify the SPI writing function ...
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending由 Linus Torvalds 提交于
Pull SCSI target updates from Nicholas Bellinger: "The highlights this round include: - add support for SCSI Referrals (Hannes) - add support for T10 DIF into target core (nab + mkp) - add support for T10 DIF emulation in FILEIO + RAMDISK backends (Sagi + nab) - add support for T10 DIF -> bio_integrity passthrough in IBLOCK backend (nab) - prep changes to iser-target for >= v3.15 T10 DIF support (Sagi) - add support for qla2xxx N_Port ID Virtualization - NPIV (Saurav + Quinn) - allow percpu_ida_alloc() to receive task state bitmask (Kent) - fix >= v3.12 iscsi-target session reset hung task regression (nab) - fix >= v3.13 percpu_ref se_lun->lun_ref_active race (nab) - fix a long-standing network portal creation race (Andy)" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (51 commits) target: Fix percpu_ref_put race in transport_lun_remove_cmd target/iscsi: Fix network portal creation race target: Report bad sector in sense data for DIF errors iscsi-target: Convert gfp_t parameter to task state bitmask iscsi-target: Fix connection reset hang with percpu_ida_alloc percpu_ida: Make percpu_ida_alloc + callers accept task state bitmask iscsi-target: Pre-allocate more tags to avoid ack starvation qla2xxx: Configure NPIV fc_vport via tcm_qla2xxx_npiv_make_lport qla2xxx: Enhancements to enable NPIV support for QLOGIC ISPs with TCM/LIO. qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure IB/isert: pass scatterlist instead of cmd to fast_reg_mr routine IB/isert: Move fastreg descriptor creation to a function IB/isert: Avoid frwr notation, user fastreg IB/isert: seperate connection protection domains and dma MRs tcm_loop: Enable DIF/DIX modes in SCSI host LLD target/rd: Add DIF protection into rd_execute_rw target/rd: Add support for protection SGL setup + release target/rd: Refactor rd_build_device_space + rd_release_device_space target/file: Add DIF protection support to fd_execute_rw target/file: Add DIF protection init/format support ...
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由 Oleg Drokin 提交于
Recent changes to retry on ESTALE in linkat (commit 442e31ca) introduced a mountpoint reference leak and a small memory leak in case a filesystem link operation returns ESTALE which is pretty normal for distributed filesystems like lustre, nfs and so on. Free old_path in such a case. [AV: there was another missing path_put() nearby - on the previous goto retry] Signed-off-by: NOleg Drokin: <green@linuxhacker.ru> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux由 Linus Torvalds 提交于
Pyll ARM64 patches from Catalin Marinas: - Build fix with DMA_CMA enabled - Introduction of PTE_WRITE to distinguish between writable but clean and truly read-only pages - FIQs enabling/disabling clean-up (they aren't used on arm64) - CPU resume fix for the per-cpu offset restoring - Code comment typos * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: mm: Introduce PTE_WRITE arm64: mm: Remove PTE_BIT_FUNC macro arm64: FIQs are unused arm64: mm: fix the function name in comment of cpu_do_switch_mm arm64: fix build error if DMA_CMA is enabled arm64: kernel: fix per-cpu offset restore on resume arm64: mm: fix the function name in comment of __flush_dcache_area arm64: mm: use ubfm for dcache_line_size
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git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha由 Linus Torvalds 提交于
Pull alpha updates from Matt Turner: "A pair of changes for alpha. One fixes a networking regression, and the second adds audit syscall support which will help in supporting systemd" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha: alpha: fix broken network checksum alpha: Enable system-call auditing support.
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由 Christoph Hellwig 提交于
hfsplus was already using the handlers for get and set operations, and with the removal of can_set_xattr we've now allow operations that wouldn't otherwise be allowed. With this we can also centralize the special-casing of the osx. attrs that don't have prefixes on disk in the osx xattr handlers. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Stephan Springl 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Andrew Ruder 提交于
Move sync_filesystem() after sb_prepare_remount_readonly(). If writers sneak in anywhere from sync_filesystem() to sb_prepare_remount_readonly() it can cause inodes to be dirtied and writeback to occur well after sys_mount() has completely successfully. This was spotted by corrupted ubifs filesystems on reboot, but appears that it can cause issues with any filesystem using writeback. Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> CC: Richard Weinberger <richard@nod.at> Co-authored-by: NRichard Weinberger <richard@nod.at> Signed-off-by: NAndrew Ruder <andrew.ruder@elecsyscorp.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Jeff Layton 提交于
Leaving getname() exported when putname() isn't is a bad idea. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media由 Linus Torvalds 提交于
Pull media updates from Mauro Carvalho Chehab: - a new jpeg codec driver for Samsung Exynos (jpeg-hw-exynos4) - a new dvb frontend for ds2103 chipset (m88ds2103) - a new sensor driver for Samsung S5K5BAF UXGA (s5k5baf) - new drivers for R-Car VSP1 - a new radio driver: radio-raremono - a new tuner driver for ts2022 chipset (m88ts2022) - the analog part of em28xx is now a separate module that only load/runs if the device is not a pure digital TV device - added a staging driver for bcm2048 radio devices - the omap 2 video driver (omap24xx) was moved to staging. This driver is for an old hardware and uses a deprecated Kernel internal API. If nobody cares enough to fix it, it would be removed on a couple Kernel releases - the sn9c102 driver was moved to staging. This driver was replaced by gspca, and disabled on some distros, as almost all devices are known to work properly with gspca. It should be removed from kernel on a couple Kernel releases - lots of driver fixes, improvements and cleanups * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (421 commits) [media] media: v4l2-dev: fix video device index assignment [media] rc-core: reuse device numbers [media] em28xx-cards: properly initialize the device bitmap [media] Staging: media: Fix line length exceeding 80 characters in as102_drv.c [media] Staging: media: Fix line length exceeding 80 characters in as102_fe.c [media] Staging: media: Fix quoted string split across line in as102_fe.c [media] media: st-rc: Add reset support [media] m2m-deinterlace: fix allocated struct type [media] radio-usb-si4713: fix sparse non static symbol warnings [media] em28xx-audio: remove needless check before usb_free_coherent() [media] au0828: Fix sparse non static symbol warning Revert "[media] go7007-usb: only use go->dev after allocated" [media] em28xx-audio: provide an error code when URB submit fails [media] em28xx: fix check for audio only usb interfaces when changing the usb alternate setting [media] em28xx: fix usb alternate setting for analog and digital video endpoints > 0 [media] em28xx: make 'em28xx_ctrl_ops' static em28xx-alsa: Fix error patch for init/fini [media] em28xx-audio: flush work at .fini [media] drxk: remove the option to load firmware asynchronously [media] em28xx: adjust period size at runtime ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm由 Linus Torvalds 提交于
Pull ACPI and power management fixes and cleanups from Rafael Wysocki: - ACPI device hotplug fix preventing ACPI drivers from binding to device objects that acpi_bus_trim() has been called for and the devices represented by them may not be operational. - Recent cpufreq changes related to the "boost" (turbo) feature broke the acpi-cpufreq error code path causing a NULL pointer dereference to occur on some systems. Fix from Konrad Rzeszutek Wilk. - The log level of a CPU initialization error message added recently needs to be reduced, because the particular BIOS issue indicated by it turns out to be widespread and doesn't really matter for the majority of systems having it. From Jiang Liu. - The regulator API needs to be told to stay away from things on systems with ACPI BIOSes or it may conflict with the BIOS' own handling of voltage regulators. Fix from Mark Brown that works around a 3.13 regression in lm90 on PCs occuring if the regulator API is enabled. - Prevent the Exynos4 devfreq driver from being built on multiplatform, because it depends on things that aren't available during such builds. From Sachin Kamat. - Upstream ACPICA doesn't use the bool type as defined in the kernel, so modify the kernel's ACPICA code to follow the upstream in that respect (only one variable definition is affected) to reduce divergences between the two. From Lv Zheng. - Make the ACPI device PM code use ACPI_COMPANION() instead of its own routine doing the same thing (and invokng ACPI_COMPANION() in the process). - Modify some routines in the ACPI processor driver to follow the common convention and return negative integers on errors. From Hanjun Guo. * tag 'pm+acpi-3.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / scan: Clear match_driver flag in acpi_bus_trim() ACPI / init: Flag use of ACPI and ACPI idioms for power supplies to regulator API acpi-cpufreq: De-register CPU notifier and free struct msr on error. ACPICA: Remove bool usage from ACPICA. PM / devfreq: Disable Exynos4 driver build on multiplatform ACPI / PM: Use ACPI_COMPANION() to get ACPI companions of devices ACPI / scan: reduce log level of "ACPI: \_PR_.CPU4: failed to get CPU APIC ID" ACPI / processor: Return specific error value when mapping lapic id
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由 Mikulas Patocka 提交于
The patch 3ddc5b46 breaks networking on alpha (there is a follow-up fix 5cfe8f1b, but networking is still broken even with the second patch). The patch 3ddc5b46 makes csum_partial_copy_from_user check the pointer with access_ok. However, csum_partial_copy_from_user is called also from csum_partial_copy_nocheck and csum_partial_copy_nocheck is called on kernel pointers and it is supposed not to check pointer validity. This bug results in ssh session hangs if the system is loaded and bulk data are printed to ssh terminal. This patch fixes csum_partial_copy_nocheck to call set_fs(KERNEL_DS), so that access_ok in csum_partial_copy_from_user accepts kernel-space addresses. Cc: stable@vger.kernel.org Signed-off-by: NMikulas Patocka <mpatocka@redhat.com> Signed-off-by: NMatt Turner <mattst88@gmail.com>
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由 蔡正龙 提交于
Signed-off-by: NZhenglong.cai <zhenglong.cai@cs2c.com.cn> Signed-off-by: NMatt Turner <mattst88@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull timer/dynticks updates from Ingo Molnar: "This tree contains misc dynticks updates: a fix and three cleanups" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/nohz: Fix overflow error in scheduler_tick_max_deferment() nohz_full: fix code style issue of tick_nohz_full_stop_tick nohz: Get timekeeping max deferment outside jiffies_lock tick: Rename tick_check_idle() to tick_irq_enter()
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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: "A crash fix and documentation updates" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Make sched_class::get_rr_interval() optional sched/deadline: Add sched_dl documentation sched: Fix docbook parameter annotation error in wait.h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull core debug changes from Ingo Molnar: "This contains mostly kernel debugging related updates: - make hung_task detection more configurable to distros - add final bits for x86 UV NMI debugging, with related KGDB changes - update the mailing-list of MAINTAINERS entries I'm involved with" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: hung_task: Display every hung task warning sysctl: Add neg_one as a standard constraint x86/uv/nmi, kgdb/kdb: Fix UV NMI handler when KDB not configured x86/uv/nmi: Fix Sparse warnings kgdb/kdb: Fix no KDB config problem MAINTAINERS: Restore "L: linux-kernel@vger.kernel.org" entries
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由 Stephen Warren 提交于
Commit 384a48d7 "ALSA: hda: HDMI: Support codecs with fewer cvts than pins" dynamically enabled each pin widget's PIN_OUT only when the pin was actively in use. This was required on certain NVIDIA CODECs for correct operation. Specifically, if multiple pin widgets each had their mux input select the same audio converter widget and each pin widget had PIN_OUT enabled, then only one of the pin widgets would actually receive the audio, and often not the one the user wanted! However, this apparently broke some Intel systems, and commit 6169b673 "ALSA: hda - Always turn on pins for HDMI/DP" reverted the dynamic setting of PIN_OUT. This in turn broke the afore-mentioned NVIDIA CODECs. This change supports either dynamic or static handling of PIN_OUT, selected by a flag set up during CODEC initialization. This flag is enabled for all recent NVIDIA GPUs. Reported-by: NUosis <uosisl@gmail.com> Cc: <stable@vger.kernel.org> # v3.13 Signed-off-by: NStephen Warren <swarren@nvidia.com> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Linus Torvalds 提交于
Merge tag 'stable/for-linus-3.14-rc0-late-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull Xen bugfixes from Konrad Rzeszutek Wilk: "Bug-fixes for the new features that were added during this cycle. There are also two fixes for long-standing issues for which we have a solution: grant-table operations extra work that was not needed causing performance issues and the self balloon code was too aggressive causing OOMs. Details: - Xen ARM couldn't use the new FIFO events - Xen ARM couldn't use the SWIOTLB if compiled as 32-bit with 64-bit PCIe devices. - Grant table were doing needless M2P operations. - Ratchet down the self-balloon code so it won't OOM. - Fix misplaced kfree in Xen PVH error code paths" * tag 'stable/for-linus-3.14-rc0-late-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/pvh: Fix misplaced kfree from xlated_setup_gnttab_pages drivers: xen: deaggressive selfballoon driver xen/grant-table: Avoid m2p_override during mapping xen/gnttab: Use phys_addr_t to describe the grant frame base address xen: swiotlb: handle sizeof(dma_addr_t) != sizeof(phys_addr_t) arm/xen: Initialize event channels earlier
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git://git.kernel.org/pub/scm/virt/kvm/kvm由 Linus Torvalds 提交于
Pull more KVM updates from Paolo Bonzini: "Second batch of KVM updates. Some minor x86 fixes, two s390 guest features that need some handling in the host, and all the PPC changes. The PPC changes include support for little-endian guests and enablement for new POWER8 features" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (45 commits) x86, kvm: correctly access the KVM_CPUID_FEATURES leaf at 0x40000101 x86, kvm: cache the base of the KVM cpuid leaves kvm: x86: move KVM_CAP_HYPERV_TIME outside #ifdef KVM: PPC: Book3S PR: Cope with doorbell interrupts KVM: PPC: Book3S HV: Add software abort codes for transactional memory KVM: PPC: Book3S HV: Add new state for transactional memory powerpc/Kconfig: Make TM select VSX and VMX KVM: PPC: Book3S HV: Basic little-endian guest support KVM: PPC: Book3S HV: Add support for DABRX register on POWER7 KVM: PPC: Book3S HV: Prepare for host using hypervisor doorbells KVM: PPC: Book3S HV: Handle new LPCR bits on POWER8 KVM: PPC: Book3S HV: Handle guest using doorbells for IPIs KVM: PPC: Book3S HV: Consolidate code that checks reason for wake from nap KVM: PPC: Book3S HV: Implement architecture compatibility modes for POWER8 KVM: PPC: Book3S HV: Add handler for HV facility unavailable KVM: PPC: Book3S HV: Flush the correct number of TLB sets on POWER8 KVM: PPC: Book3S HV: Context-switch new POWER8 SPRs KVM: PPC: Book3S HV: Align physical and virtual CPU thread numbers KVM: PPC: Book3S HV: Don't set DABR on POWER8 kvm/ppc: IRQ disabling cleanup ...
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git://github.com/kleikamp/linux-shaggy由 Linus Torvalds 提交于
Pull jfs fix from David Kleikamp: "Minor bug fix for linux-3.14" * tag 'jfs-3.14' of git://github.com/kleikamp/linux-shaggy: jfs: fix xattr value size overflow in __jfs_setxattr
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由 Sage Weil 提交于
Add matching dput() for d_find_alias(). Move d_find_alias() down a bit at Julia's suggestion. [ Introduced by commit 72466d0b: "ceph: fix posix ACL hooks" ] Reported-by: NFengguang Wu <fengguang.wu@intel.com> Reported-by: NJulia Lawall <julia.lawall@lip6.fr> Signed-off-by: NSage Weil <sage@inktank.com> Reviewed-by: NIlya Dryomov <ilya.dryomov@inktank.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 31 1月, 2014 1 次提交
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由 Sachin Prabhu 提交于
MF Symlinks are regular files containing content in a specified format. The function couldbe_mf_symlink() checks the mode for a set S_IFREG bit as a test to confirm that it is a regular file. This bit is also set for other filetypes and simply checking for this bit being set may return false positives. We ensure that we are actually checking for a regular file by using the S_ISREG macro to test instead. Signed-off-by: NSachin Prabhu <sprabhu@redhat.com> Reviewed-by: NJeff Layton <jlayton@redhat.com> Reported-by: NNeil Brown <neilb@suse.de> Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NSteve French <smfrench@gmail.com>
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