- 13 10月, 2012 38 次提交
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git://linux-c6x.org/git/projects/linux-c6x-upstreaming由 Linus Torvalds 提交于
Pull C6X UAPI disintegration from Mark Salter: - scripted UAPI disintegration by David Howells. * tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming: UAPI: (Scripted) Disintegrate arch/c6x/include/asm
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb由 Linus Torvalds 提交于
Pull KGDB/KDB fixes and cleanups from Jason Wessel: "Cleanups - Clean up compile warnings in kgdboc.c and x86/kernel/kgdb.c - Add module event hooks for simplified debugging with gdb Fixes - Fix kdb to stop paging with 'q' on bta and dmesg - Fix for data that scrolls off the vga console due to line wrapping when using the kdb pager New - The debug core registers for kernel module events which allows a kernel aware gdb to automatically load symbols and break on entry to a kernel module - Allow kgdboc=kdb to setup kdb on the vga console" * tag 'for_linus-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb: tty/console: fix warnings in drivers/tty/serial/kgdboc.c kdb,vt_console: Fix missed data due to pager overruns kdb: Fix dmesg/bta scroll to quit with 'q' kgdboc: Accept either kbd or kdb to activate the vga + keyboard kdb shell kgdb,x86: fix warning about unused variable mips,kgdb: fix recursive page fault with CONFIG_KPROBES kgdb: Add module event hooks
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由 Linus Torvalds 提交于
Merge tag 'stable/for-linus-3.7-uapi-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull Xen UAPI disintegration from Konrad Rzeszutek Wilk: "This has the UAPI disintegration work done by David Howells" * tag 'stable/for-linus-3.7-uapi-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: UAPI: (Scripted) Disintegrate include/xen
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc由 Linus Torvalds 提交于
Pull two more mmc changes from Chris Ball: - Disintegrate UAPI - fix a mismerge that caused a build error. * tag 'mmc-merge-for-3.7-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: UAPI: (Scripted) Disintegrate include/linux/mmc mmc: mxs-mmc: Fix merge issue causing build error
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git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm由 Linus Torvalds 提交于
Pull device-mapper changes from Alasdair G Kergon: "Remove the power-of-2 block size constraint on discards in dm thin provisioning and factor the bio_prison code out into a separate module (for sharing with the forthcoming cache target). Use struct bio's front_pad to eliminate the use of one separate mempool by bio-based devices. A few other tiny clean-ups." * tag 'dm-3.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm: dm: store dm_target_io in bio front_pad dm thin: move bio_prison code to separate module dm thin: prepare to separate bio_prison code dm thin: support discard with non power of two block size dm persistent data: convert to use le32_add_cpu dm: use ACCESS_ONCE for sysfs values dm bufio: use list_move dm mpath: fix check for null mpio in end_io fn
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi由 Linus Torvalds 提交于
Pull misc SCSI updates from James Bottomley: "This is an assorted set of stragglers into the merge window with driver updates for megaraid_sas, lpfc, bfi and mvumi. It also includes some fairly major fixes for virtio-scsi (scatterlist init), scsi_debug (off by one error), storvsc (use after free) and qla2xxx (potential deadlock). Signed-off-by: James Bottomley <JBottomley@Parallels.com>" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (49 commits) [SCSI] storvsc: Account for in-transit packets in the RESET path [SCSI] qla2xxx: fix potential deadlock on ha->hardware_lock [SCSI] scsi_debug: Fix off-by-one bug when unmapping region [SCSI] Shorten the path length of scsi_cmd_to_driver() [SCSI] virtio-scsi: support online resizing of disks [SCSI] virtio-scsi: fix LUNs greater than 255 [SCSI] virtio-scsi: initialize scatterlist structure [SCSI] megaraid_sas: Version, Changelog, Copyright update [SCSI] megaraid_sas: Remove duplicate code [SCSI] megaraid_sas: Add SystemPD FastPath support [SCSI] megaraid_sas: Add array boundary check for SystemPD [SCSI] megaraid_sas: Load io_request DataLength in bytes [SCSI] megaraid_sas: Add module param for configurable MSI-X vector count [SCSI] megaraid_sas: Remove un-needed completion_lock spinlock calls [SCSI] lpfc 8.3.35: Update lpfc version for 8.3.35 driver release [SCSI] lpfc 8.3.35: Fixed not reporting logical link speed to SCSI midlayer when QoS not on [SCSI] lpfc 8.3.35: Fix error with fabric service parameters causing performance issues [SCSI] lpfc 8.3.35: Fixed SCSI host create showing wrong link speed on SLI3 HBA ports [SCSI] lpfc 8.3.35: Fixed not checking solicition in progress bit when verifying FCF record for use [SCSI] lpfc 8.3.35: Fixed messages for misconfigured port errors ...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input由 Linus Torvalds 提交于
Pull input layer updates from Dmitry Torokhov: "2nd round of updates for the input subsystem. With it input core no longer limits number of character devices per event handler (such as evdev) to 32, but switches to dynamic minors once legacy range is exhausted. This should get multi-seat installations that currently run our of event devices very quickly. You will also get an update for Wacom driver and a couple of driver fixes." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: extend the number of event (and other) devices Input: mousedev - mark mousedev interfaces as non-seekable Input: mousedev - rename mixdev_open to opened_by_mixdev Input: mousedev - reformat structure initializers Input: mousedev - factor out psaux code to reduce #ifdefery Input: samsung-keypad - add clk_prepare and clk_unprepare Input: atmel_mxt_ts - simplify mxt_dump_message Input: wacom - clean up wacom_query_tablet_data Input: wacom - introduce wacom_fix_phy_from_hid Input: wacom - allow any multi-input Intuos device to set prox Input: wacom - report correct touch contact size for I5/Bamboo
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git://linux-nfs.org/~bfields/linux由 Linus Torvalds 提交于
Pull nfsd update from J Bruce Fields: "Another relatively quiet cycle. There was some progress on my remaining 4.1 todo's, but a couple of them were just of the form "check that we do X correctly", so didn't have much affect on the code. Other than that, a bunch of cleanup and some bugfixes (including an annoying NFSv4.0 state leak and a busy-loop in the server that could cause it to peg the CPU without making progress)." * 'for-3.7' of git://linux-nfs.org/~bfields/linux: (46 commits) UAPI: (Scripted) Disintegrate include/linux/sunrpc UAPI: (Scripted) Disintegrate include/linux/nfsd nfsd4: don't allow reclaims of expired clients nfsd4: remove redundant callback probe nfsd4: expire old client earlier nfsd4: separate session allocation and initialization nfsd4: clean up session allocation nfsd4: minor free_session cleanup nfsd4: new_conn_from_crses should only allocate nfsd4: separate connection allocation and initialization nfsd4: reject bad forechannel attrs earlier nfsd4: enforce per-client sessions/no-sessions distinction nfsd4: set cl_minorversion at create time nfsd4: don't pin clientids to pseudoflavors nfsd4: fix bind_conn_to_session xdr comment nfsd4: cast readlink() bug argument NFSD: pass null terminated buf to kstrtouint() nfsd: remove duplicate init in nfsd4_cb_recall nfsd4: eliminate redundant nfs4_free_stateid fs/nfsd/nfs4idmap.c: adjust inconsistent IS_ERR and PTR_ERR ...
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull networking updates from David Miller: 1) Alexey Kuznetsov noticed we routed TCP resets improperly in the assymetric routing case, fix this by reverting a change that made us use the incoming interface in the outgoing route key when we didn't have a socket context to work with. 2) TCP sysctl kernel memory leakage to userspace fix from Alan Cox. 3) Move UAPI bits from David Howells, WIMAX and CAN this time. 4) Fix TX stalls in e1000e wrt. Byte Queue Limits, from Hiroaki SHIMODA, Denys Fedoryshchenko, and Jesse Brandeburg. 5) Fix IPV6 crashes in packet generator module, from Amerigo Wang. 6) Tidies and fixes in the new VXLAN driver from Stephen Hemminger. 7) Bridge IP options parse doesn't check first if SKB header has at least an IP header's worth of content present. Fix from Sarveshwar Bandi. 8) The kernel now generates compound pages on transmit and the Xen netback drivers needs some adjustments in order to handle this. Fix from Ian Campbell. 9) Turn off ASPM in JME driver, from Kevin Bardon and Matthew Garrett. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits) mcs7830: Fix link state detection net: add doc for in4_pton() net: add doc for in6_pton() vti: fix sparse bit endian warnings tcp: resets are misrouted usbnet: Support devices reporting idleness Add CDC-ACM support for the CX93010-2x UCMxx USB Modem net/ethernet/jme: disable ASPM tcp: sysctl interface leaks 16 bytes of kernel memory kaweth: print correct debug ptr e1000e: Change wthresh to 1 to avoid possible Tx stalls ipv4: fix route mark sparse warning xen: netback: handle compound page fragments on transmit. bridge: Pull ip header into skb->data before looking into ip header. isdn: fix a wrapping bug in isdn_ppp_ioctl() vxlan: fix oops when give unknown ifindex vxlan: fix receive checksum handling vxlan: add additional headroom vxlan: allow configuring port range vxlan: associate with tunnel socket on transmit ...
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc由 Linus Torvalds 提交于
Pull Sparc updates from David Miller: 1) Updated syscall tracing fix from Al Viro. 2) SUN4V error reporting was deficient in several areas. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: fix ptrace interaction with force_successful_syscall_return() sparc64: Fix deficiencies in sun4v error reporting.
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile由 Linus Torvalds 提交于
Pull tile arch update from Chris Metcalf: "The bulk of this change is the tile uapi disintegration. There is also a one-line change in here to enable interrupts in do_work_pending() to avoid a WARN_ON in _local_bh_enable_ip()." * git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/tile: enable interrupts in do_work_pending() UAPI: (Scripted) Disintegrate arch/tile/include/asm UAPI: (Scripted) Disintegrate arch/tile/include/arch
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux由 Linus Torvalds 提交于
Pull ia64 UAPI changes from Tony Luck: "ia64 pieces of David Howells great UAPI include file move" * tag 'please-pull-dhowells-uapi' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: UAPI: (Scripted) Disintegrate arch/ia64/include/asm
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull perf updates from Ingo Molnar: "This tree includes some late late perf items that missed the first round: tools: - Bash auto completion improvements, now we can auto complete the tools long options, tracepoint event names, etc, from Namhyung Kim. - Look up thread using tid instead of pid in 'perf sched'. - Move global variables into a perf_kvm struct, from David Ahern. - Hists refactorings, preparatory for improved 'diff' command, from Jiri Olsa. - Hists refactorings, preparatory for event group viewieng work, from Namhyung Kim. - Remove double negation on optional feature macro definitions, from Namhyung Kim. - Remove several cases of needless global variables, on most builtins. - misc fixes kernel: - sysfs support for IBS on AMD CPUs, from Robert Richter. - Support for an upcoming Intel CPU, the Xeon-Phi / Knights Corner HPC blade PMU, from Vince Weaver. - misc fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (46 commits) perf: Fix perf_cgroup_switch for sw-events perf: Clarify perf_cpu_context::active_pmu usage by renaming it to ::unique_pmu perf/AMD/IBS: Add sysfs support perf hists: Add more helpers for hist entry stat perf hists: Move he->stat.nr_events initialization to a template perf hists: Introduce struct he_stat perf diff: Removing the total_period argument from output code perf tool: Add hpp interface to enable/disable hpp column perf tools: Removing hists pair argument from output path perf hists: Separate overhead and baseline columns perf diff: Refactor diff displacement possition info perf hists: Add struct hists pointer to struct hist_entry perf tools: Complete tracepoint event names perf/x86: Add support for Intel Xeon-Phi Knights Corner PMU perf evlist: Remove some unused methods perf evlist: Introduce add_newtp method perf kvm: Move global variables into a perf_kvm struct perf tools: Convert to BACKTRACE_SUPPORT perf tools: Long option completion support for each subcommands perf tools: Complete long option names of perf command ...
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由 Markus Trippelsdorf 提交于
Perf build fails with the new rbtree implementation: ../../lib/rbtree.c:24:36: fatal error: linux/rbtree_augmented.h: No such file or directory compilation terminated. Fix by updating the Makefile and adding a btree_augmented.h wrapper. Reported-and-tested-by: NBorislav Petkov <borislav.petkov@amd.com> Signed-off-by: NMarkus Trippelsdorf <markus@trippelsdorf.de> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: Borislav Petkov <bp@amd64.org> Link: http://lkml.kernel.org/r/20121009180156.GA245@x4Signed-off-by: NIngo Molnar <mingo@kernel.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal由 Linus Torvalds 提交于
Pull third pile of kernel_execve() patches from Al Viro: "The last bits of infrastructure for kernel_thread() et.al., with alpha/arm/x86 use of those. Plus sanitizing the asm glue and do_notify_resume() on alpha, fixing the "disabled irq while running task_work stuff" breakage there. At that point the rest of kernel_thread/kernel_execve/sys_execve work can be done independently for different architectures. The only pending bits that do depend on having all architectures converted are restrictred to fs/* and kernel/* - that'll obviously have to wait for the next cycle. I thought we'd have to wait for all of them done before we start eliminating the longjump-style insanity in kernel_execve(), but it turned out there's a very simple way to do that without flagday-style changes." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: alpha: switch to saner kernel_execve() semantics arm: switch to saner kernel_execve() semantics x86, um: convert to saner kernel_execve() semantics infrastructure for saner ret_from_kernel_thread semantics make sure that kernel_thread() callbacks call do_exit() themselves make sure that we always have a return path from kernel_execve() ppc: eeh_event should just use kthread_run() don't bother with kernel_thread/kernel_execve for launching linuxrc alpha: get rid of switch_stack argument of do_work_pending() alpha: don't bother passing switch_stack separately from regs alpha: take SIGPENDING/NOTIFY_RESUME loop into signal.c alpha: simplify TIF_NEED_RESCHED handling
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs由 Linus Torvalds 提交于
Pull third pile of VFS updates from Al Viro: "Stuff from Jeff Layton, mostly. Sanitizing interplay between audit and namei, removing a lot of insanity from audit_inode() mess and getting things ready for his ESTALE patchset." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: procfs: don't need a PATH_MAX allocation to hold a string representation of an int vfs: embed struct filename inside of names_cache allocation if possible audit: make audit_inode take struct filename vfs: make path_openat take a struct filename pointer vfs: turn do_path_lookup into wrapper around struct filename variant audit: allow audit code to satisfy getname requests from its names_list vfs: define struct filename and have getname() return it vfs: unexport getname and putname symbols acct: constify the name arg to acct_on vfs: allocate page instead of names_cache buffer in mount_block_root audit: overhaul __audit_inode_child to accomodate retrying audit: optimize audit_compare_dname_path audit: make audit_compare_dname_path use parent_len helper audit: remove dirlen argument to audit_compare_dname_path audit: set the name_len in audit_inode for parent lookups audit: add a new "type" field to audit_names struct audit: reverse arguments to audit_inode_child audit: no need to walk list in audit_inode if name is NULL audit: pass in dentry to audit_copy_inode wherever possible audit: remove unnecessary NULL ptr checks from do_path_lookup
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由 Jeff Layton 提交于
Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Jeff Layton 提交于
In the common case where a name is much smaller than PATH_MAX, an extra allocation for struct filename is unnecessary. Before allocating a separate one, try to embed the struct filename inside the buffer first. If it turns out that that's not long enough, then fall back to allocating a separate struct filename and redoing the copy. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Jeff Layton 提交于
Keep a pointer to the audit_names "slot" in struct filename. Have all of the audit_inode callers pass a struct filename ponter to audit_inode instead of a string pointer. If the aname field is already populated, then we can skip walking the list altogether and just use it directly. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Jeff Layton 提交于
...and fix up the callers. For do_file_open_root, just declare a struct filename on the stack and fill out the .name field. For do_filp_open, make it also take a struct filename pointer, and fix up its callers to call it appropriately. For filp_open, add a variant that takes a struct filename pointer and turn filp_open into a wrapper around it. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Jeff Layton 提交于
...and make the user_path callers use that variant instead. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Jeff Layton 提交于
Currently, if we call getname() on a userland string more than once, we'll get multiple copies of the string and multiple audit_names records. Add a function that will allow the audit_names code to satisfy getname requests using info from the audit_names list, avoiding a new allocation and audit_names records. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Jeff Layton 提交于
getname() is intended to copy pathname strings from userspace into a kernel buffer. The result is just a string in kernel space. It would however be quite helpful to be able to attach some ancillary info to the string. For instance, we could attach some audit-related info to reduce the amount of audit-related processing needed. When auditing is enabled, we could also call getname() on the string more than once and not need to recopy it from userspace. This patchset converts the getname()/putname() interfaces to return a struct instead of a string. For now, the struct just tracks the string in kernel space and the original userland pointer for it. Later, we'll add other information to the struct as it becomes convenient. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Mikulas Patocka 提交于
Use the recently-added bio front_pad field to allocate struct dm_target_io. Prior to this patch, dm_target_io was allocated from a mempool. For each dm_target_io, there is exactly one bio allocated from a bioset. This patch merges these two allocations into one allocation: we create a bioset with front_pad equal to the size of dm_target_io so that every bio allocated from the bioset has sizeof(struct dm_target_io) bytes before it. We allocate a bio and use the bytes before the bio as dm_target_io. _tio_cache is removed and the tio_pool mempool is now only used for request-based devices. This idea was introduced by Kent Overstreet. Signed-off-by: NMikulas Patocka <mpatocka@redhat.com> Cc: Kent Overstreet <koverstreet@google.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: tj@kernel.org Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Bill Pemberton <wfp5p@viridian.itc.virginia.edu> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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由 Mike Snitzer 提交于
The bio prison code will be useful to other future DM targets so move it to a separate module. Signed-off-by: NMike Snitzer <snitzer@redhat.com> Signed-off-by: NJoe Thornber <ejt@redhat.com> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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由 Mike Snitzer 提交于
The bio prison code will be useful to share with future DM targets. Prepare to move this code into a separate module, adding a dm prefix to structures and functions that will be exported. Signed-off-by: NMike Snitzer <snitzer@redhat.com> Signed-off-by: NJoe Thornber <ejt@redhat.com> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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由 Mike Snitzer 提交于
Support discards when the pool's block size is not a power of 2. The block layer assumes discard_granularity is a power of 2 (in blkdev_issue_discard), so we set this to the largest power of 2 that is a divides into the number of sectors in each block, but never less than DATA_DEV_BLOCK_SIZE_MIN_SECTORS. This patch eliminates the "Discard support must be disabled when the block size is not a power of 2" constraint that was imposed in commit 55f2b8bd ("dm thin: support for non power of 2 pool blocksize"). That commit was incomplete: using a block size that is not a power of 2 shouldn't mean disabling discard support on the device completely. Signed-off-by: NMike Snitzer <snitzer@redhat.com> Signed-off-by: NJoe Thornber <ejt@redhat.com> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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由 Chris Metcalf 提交于
All the called functions expect interrupts to be enabled, and now one of them has started to warn about it, so make it correct. Signed-off-by: NChris Metcalf <cmetcalf@tilera.com>
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由 Chris Metcalf 提交于
UAPI Disintegration 2012-10-09
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由 Ondrej Zary 提交于
The device had an undocumented "feature": it can provide a sequence of spurious link-down status data even if the link is up all the time. A sequence of 10 was seen so update the link state only after the device reports the same link state 20 times. Signed-off-by: NOndrej Zary <linux@rainbow-software.org> Reported-by: NMichael Leun <lkml20120218@newton.leun.net> Tested-by: NMichael Leun <lkml20120218@newton.leun.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Amerigo Wang 提交于
It is not easy to use in4_pton() correctly without reading its definition, so add some doc for it. Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NCong Wang <amwang@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Amerigo Wang 提交于
It is not easy to use in6_pton() correctly without reading its definition, so add some doc for it. Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NCong Wang <amwang@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 stephen hemminger 提交于
Use be32_to_cpu instead of htonl to keep sparse happy. Signed-off-by: NStephen Hemminger <shemminger@vyatta.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexey Kuznetsov 提交于
After commit e2446eaa ("tcp_v4_send_reset: binding oif to iif in no sock case").. tcp resets are always lost, when routing is asymmetric. Yes, backing out that patch will result in misrouting of resets for dead connections which used interface binding when were alive, but we actually cannot do anything here. What's died that's died and correct handling normal unbound connections is obviously a priority. Comment to comment: > This has few benefits: > 1. tcp_v6_send_reset already did that. It was done to route resets for IPv6 link local addresses. It was a mistake to do so for global addresses. The patch fixes this as well. Actually, the problem appears to be even more serious than guaranteed loss of resets. As reported by Sergey Soloviev <sol@eqv.ru>, those misrouted resets create a lot of arp traffic and huge amount of unresolved arp entires putting down to knees NAT firewalls which use asymmetric routing. Signed-off-by: NAlexey Kuznetsov <kuznet@ms2.inr.ac.ru>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
* allow kernel_execve() leave the actual return to userland to caller (selected by CONFIG_GENERIC_KERNEL_EXECVE). Callers updated accordingly. * architecture that does select GENERIC_KERNEL_EXECVE in its Kconfig should have its ret_from_kernel_thread() do this: call schedule_tail call the callback left for it by copy_thread(); if it ever returns, that's because it has just done successful kernel_execve() jump to return from syscall IOW, its only difference from ret_from_fork() is that it does call the callback. * such an architecture should also get rid of ret_from_kernel_execve() and __ARCH_WANT_KERNEL_EXECVE This is the last part of infrastructure patches in that area - from that point on work on different architectures can live independently. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 12 10月, 2012 2 次提交
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由 Wei Yongjun 提交于
Convert cpu_to_le32(le32_to_cpu(E1) + E2) to use le32_add_cpu(). dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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由 Mikulas Patocka 提交于
Use the ACCESS_ONCE macro in dm-bufio and dm-verity where a variable can be modified asynchronously (through sysfs) and we want to prevent compiler optimizations that assume that the variable hasn't changed. (See Documentation/atomic_ops.txt.) Signed-off-by: NMikulas Patocka <mpatocka@redhat.com> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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