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2011-11-01Merge branch 'pstore' of ↵Linus Torvalds6-43/+129
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux * 'pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: pstore: make pstore write function return normal success/fail value pstore: change mutex locking to spin_locks pstore: defer inserting OOPS entries into pstore
2011-11-01Merge branch 'for-linus' of ↵Linus Torvalds84-984/+4738
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (62 commits) mlx4_core: Deprecate log_num_vlan module param IB/mlx4: Don't set VLAN in IBoE WQEs' control segment IB/mlx4: Enable 4K mtu for IBoE RDMA/cxgb4: Mark QP in error before disabling the queue in firmware RDMA/cxgb4: Serialize calls to CQ's comp_handler RDMA/cxgb3: Serialize calls to CQ's comp_handler IB/qib: Fix issue with link states and QSFP cables IB/mlx4: Configure extended active speeds mlx4_core: Add extended port capabilities support IB/qib: Hold links until tuning data is available IB/qib: Clean up checkpatch issue IB/qib: Remove s_lock around header validation IB/qib: Precompute timeout jiffies to optimize latency IB/qib: Use RCU for qpn lookup IB/qib: Eliminate divide/mod in converting idx to egr buf pointer IB/qib: Decode path MTU optimization IB/qib: Optimize RC/UC code by IB operation IPoIB: Use the right function to do DMA unmap pages RDMA/cxgb4: Use correct QID in insert_recv_cqe() RDMA/cxgb4: Make sure flush CQ entries are collected on connection close ...
2011-11-01Merge branches 'amso1100', 'cma', 'cxgb3', 'cxgb4', 'fdr', 'ipath', 'ipoib', ↵Roland Dreier83-980/+4737
'misc', 'mlx4', 'misc', 'nes', 'qib' and 'xrc' into for-next
2011-11-01Merge git://github.com/herbertx/cryptoLinus Torvalds45-208/+4049
* git://github.com/herbertx/crypto: (48 commits) crypto: user - Depend on NET instead of selecting it crypto: user - Add dependency on NET crypto: talitos - handle descriptor not found in error path crypto: user - Initialise match in crypto_alg_match crypto: testmgr - add twofish tests crypto: testmgr - add blowfish test-vectors crypto: Make hifn_795x build depend on !ARCH_DMA_ADDR_T_64BIT crypto: twofish-x86_64-3way - fix ctr blocksize to 1 crypto: blowfish-x86_64 - fix ctr blocksize to 1 crypto: whirlpool - count rounds from 0 crypto: Add userspace report for compress type algorithms crypto: Add userspace report for cipher type algorithms crypto: Add userspace report for rng type algorithms crypto: Add userspace report for pcompress type algorithms crypto: Add userspace report for nivaead type algorithms crypto: Add userspace report for aead type algorithms crypto: Add userspace report for givcipher type algorithms crypto: Add userspace report for ablkcipher type algorithms crypto: Add userspace report for blkcipher type algorithms crypto: Add userspace report for ahash type algorithms ...
2011-11-01sysfs: Make sysfs_rename safe with sysfs_dirents in rbtrees.Eric W. Biederman1-8/+6
In sysfs_rename we need to remove the optimization of not calling sysfs_unlink_sibling and sysfs_link_sibling if the renamed parent directory is not changing. This optimization is no longer valid now that sysfs dirents are stored in an rbtree sorted by name. Move the assignment of s_ns before the call of sysfs_link_sibling. With no sysfs_dirent fields changing after the call of sysfs_link_sibling this allows sysfs_link_sibling to take any of the directory entries into account when it builds the rbtrees, and s_ns looks like a prime canidate to be used in the rbtree in the future. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Greg KH <gregkh@suse.de> Cc: David Miller <davem@davemloft.net> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Merge Qualcom Hexagon architectureLinus Torvalds113-0/+12726
This is the fifth version of the patchset (with one tiny whitespace fix) to the Linux kernel to support the Qualcomm Hexagon architecture. Between now and the next pull requests, Richard Kuo should have his key signed, etc., and should be back on kernel.org. In the meantime, this got merged as a emailed patch-series. * Hexagon: (36 commits) Add extra arch overrides to asm-generic/checksum.h Hexagon: Add self to MAINTAINERS Hexagon: Add basic stacktrace functionality for Hexagon architecture. Hexagon: Add configuration and makefiles for the Hexagon architecture. Hexagon: Comet platform support Hexagon: kgdb support files Hexagon: Add page-fault support. Hexagon: Add page table header files & etc. Hexagon: Add ioremap support Hexagon: Provide DMA implementation Hexagon: Implement basic TLB management routines for Hexagon. Hexagon: Implement basic cache-flush support Hexagon: Provide basic implementation and/or stubs for I/O routines. Hexagon: Add user access functions Hexagon: Add locking types and functions Hexagon: Add SMP support Hexagon: Provide basic debugging and system trap support. Hexagon: Add ptrace support Hexagon: Add time and timer functions Hexagon: Add interrupts ...
2011-11-01Add extra arch overrides to asm-generic/checksum.hLinas Vepstas1-0/+4
There are plausible reasons for architectures to provide their own versions of csum_partial_copy_nocheck and csum_tcpudp_magic. By protecting these, the architecture can still re-use the asm-generic checksum.h, instead of copying it. Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add self to MAINTAINERSRichard Kuo1-0/+6
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add basic stacktrace functionality for Hexagon architecture.Richard Kuo1-0/+66
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add configuration and makefiles for the Hexagon architecture.Richard Kuo7-0/+498
Signed-off-by: Linas Vepstas <linas@codeaurora.org> Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Comet platform supportRichard Kuo1-0/+85
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: kgdb support filesLinas Vepstas2-0/+297
Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add page-fault support.Richard Kuo4-0/+601
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add page table header files & etc.Richard Kuo7-0/+1054
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add ioremap supportRichard Kuo1-0/+56
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Provide DMA implementationRichard Kuo3-0/+350
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Implement basic TLB management routines for Hexagon.Richard Kuo3-0/+190
Mostly all stubs, as the TLB is managed by the hypervisor. Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Implement basic cache-flush supportRichard Kuo3-0/+261
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Provide basic implementation and/or stubs for I/O routines.Richard Kuo2-0/+417
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add user access functionsRichard Kuo6-0/+705
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add locking types and functionsRichard Kuo3-0/+360
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add SMP supportRichard Kuo3-0/+372
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Provide basic debugging and system trap support.Richard Kuo2-0/+483
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add ptrace supportRichard Kuo2-0/+215
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add time and timer functionsRichard Kuo3-0/+318
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add interruptsRichard Kuo2-0/+126
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add startup codeRichard Kuo3-0/+345
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add init_task and process functionsRichard Kuo2-0/+333
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add signal functionsRichard Kuo6-0/+569
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Support dynamic module loading.Linas Vepstas1-0/+162
Modules should be compiled as ordinary .o's; shared objects are not supported. Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Export ksyms defined in assembly files.Linas Vepstas1-0/+40
Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add hypervisor interfaceRichard Kuo8-0/+1449
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add memcpy and memset accelerated functionsRichard Kuo2-0/+858
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add checksum functionsRichard Kuo3-0/+279
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add delay functionsRichard Kuo1-0/+28
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add threadinfoRichard Kuo1-0/+154
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add processor and system headersRichard Kuo5-0/+548
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add syscallsRichard Kuo4-0/+212
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add atomic ops supportRichard Kuo1-0/+164
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add bitops supportRichard Kuo1-0/+301
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Core arch-specific header filesRichard Kuo12-0/+618
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01Hexagon: Add generic headersRichard Kuo5-0/+202
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01crypto: user - Depend on NET instead of selecting itHerbert Xu1-1/+1
Selecting NET causes all sorts of issues, including a dependency loop involving bluetooth. This patch makes it a dependency instead. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-31Merge branch 'akpm' (Andrew's incoming)Linus Torvalds194-1356/+2520
Quoth Andrew: - Most of MM. Still waiting for the poweroc guys to get off their butts and review some threaded hugepages patches. - alpha - vfs bits - drivers/misc - a few core kerenl tweaks - printk() features - MAINTAINERS updates - backlight merge - leds merge - various lib/ updates - checkpatch updates * akpm: (127 commits) epoll: fix spurious lockdep warnings checkpatch: add a --strict check for utf-8 in commit logs kernel.h/checkpatch: mark strict_strto<foo> and simple_strto<foo> as obsolete llist-return-whether-list-is-empty-before-adding-in-llist_add-fix wireless: at76c50x: follow rename pack_hex_byte to hex_byte_pack fat: follow rename pack_hex_byte() to hex_byte_pack() security: follow rename pack_hex_byte() to hex_byte_pack() kgdb: follow rename pack_hex_byte() to hex_byte_pack() lib: rename pack_hex_byte() to hex_byte_pack() lib/string.c: fix strim() semantics for strings that have only blanks lib/idr.c: fix comment for ida_get_new_above() lib/percpu_counter.c: enclose hotplug only variables in hotplug ifdef lib/bitmap.c: quiet sparse noise about address space lib/spinlock_debug.c: print owner on spinlock lockup lib/kstrtox: common code between kstrto*() and simple_strto*() functions drivers/leds/leds-lp5521.c: check if reset is successful leds: turn the blink_timer off before starting to blink leds: save the delay values after a successful call to blink_set() drivers/leds/leds-gpio.c: use gpio_get_value_cansleep() when initializing drivers/leds/leds-lm3530.c: add __devexit_p where needed ...
2011-10-31epoll: fix spurious lockdep warningsNelson Elhage1-7/+18
epoll can acquire recursively acquire ep->mtx on multiple "struct eventpoll"s at once in the case where one epoll fd is monitoring another epoll fd. This is perfectly OK, since we're careful about the lock ordering, but it causes spurious lockdep warnings. Annotate the recursion using mutex_lock_nested, and add a comment explaining the nesting rules for good measure. Recent versions of systemd are triggering this, and it can also be demonstrated with the following trivial test program: --------------------8<-------------------- int main(void) { int e1, e2; struct epoll_event evt = { .events = EPOLLIN }; e1 = epoll_create1(0); e2 = epoll_create1(0); epoll_ctl(e1, EPOLL_CTL_ADD, e2, &evt); return 0; } --------------------8<-------------------- Reported-by: Paul Bolle <pebolle@tiscali.nl> Tested-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Nelson Elhage <nelhage@nelhage.com> Acked-by: Jason Baron <jbaron@redhat.com> Cc: Dave Jones <davej@redhat.com> Cc: Davide Libenzi <davidel@xmailserver.org> Cc: <stable@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-31checkpatch: add a --strict check for utf-8 in commit logsJoe Perches1-4/+26
Some find using utf-8 in commit logs inappropriate. Some patch commit logs contain unintended utf-8 characters when doing things like copy/pasting compilation output. Look for the start of any commit log by skipping initial lines that look like email headers and "From: " lines. Stop looking for utf-8 at the first signature line. Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-31kernel.h/checkpatch: mark strict_strto<foo> and simple_strto<foo> as obsoleteJoe Perches2-3/+7
Mark obsolete/deprecated strict_strto<foo> and simple_strto<foo> functions and macros as obsolete. Update checkpatch to warn about their use. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-31llist-return-whether-list-is-empty-before-adding-in-llist_add-fixAndrew Morton1-1/+1
clarify comment Cc: Huang Ying <ying.huang@intel.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-31wireless: at76c50x: follow rename pack_hex_byte to hex_byte_packAndy Shevchenko1-1/+1
There is no functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-31fat: follow rename pack_hex_byte() to hex_byte_pack()Andy Shevchenko1-2/+2
There is no functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>