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* [BLOCK] CCISS: update for blk softirq completionsJens Axboe2006-01-091-26/+46
| | | | Signed-off-by: Jens Axboe <axboe@suse.de>
* [IDE] Use the block layer deferred softirq request completionJens Axboe2006-01-093-7/+38
| | | | | | | | | | This patch makes IDE use the new blk_complete_request() interface. There's still room for improvement, as __ide_end_request() really could drop the lock after getting HWGROUP->rq (why does it need to hold it in the first place? If ->rq access isn't serialized, we are screwed anyways). Signed-off-by: Jens Axboe <axboe@suse.de>
* [SCSI] Kill the SCSI softirq handlingJens Axboe2006-01-094-102/+45
| | | | | | | This patch moves the SCSI softirq handling to the block layer version. There should be no functional changes. Signed-off-by: Jens Axboe <axboe@suse.de>
* [BLOCK] ll_rw_blk: Enable out-of-order request completions through softirqJens Axboe2006-01-093-4/+124
| | | | | | | | | Request completion can be a quite heavy process, since it needs to iterate through the entire request and complete the bio's it holds. This patch adds blk_complete_request() which moves this processing into a dedicated block softirq. Signed-off-by: Jens Axboe <axboe@suse.de>
* Merge branch 'for-linus' of ↵Linus Torvalds2006-01-0812-163/+250
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
| * IB: Set GIDs correctly in ib_create_ah_from_wc()Ralph Campbell2006-01-061-2/+2
| | | | | | | | | | | | | | | | | | ib_create_ah_from_wc() doesn't create the correct return address (AH) when there is a GRH present (source & dest GIDs need to be swapped). Signed-off-by: Ralph Campbell <ralphc@pathscale.com> Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/uverbs: Release event file reference on ib_uverbs_create_cq() errorJack Morgenstein2006-01-061-3/+10
| | | | | | | | | | | | | | | | | | | | ib_uverbs_create_cq() should release the completion channel event file if an error occurs after it looks it up. Also, if userspace asks for a completion channel and we don't find it, an error should be returned instead of silently creating a CQ without a completion channel. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/uverbs: set ah_flags when creating address handleRalph Campbell2006-01-061-0/+1
| | | | | | | | | | | | | | AH attribute's ah_flags need to be set according to the is_global flag passed in from userspace. Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/uverbs: Fix reference counting on error pathsJack Morgenstein2006-01-061-0/+7
| | | | | | | | | | | | | | | | | | If an operation fails after incrementing an object's reference count, then it should decrement the reference count on the error path. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: Add support for automatic path migration (APM)Dotan Barak2006-01-061-20/+37
| | | | | | | | | | | | | | | | | | Add code to modify QP operation to handle setting alternate paths for connected QPs. Signed-off-by: Dotan Barak <dotanb@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: Fill in vendor_err field in completion with errorMichael S. Tsirkin2006-01-061-5/+7
| | | | | | | | | | | | | | Fill vendor_err field in completion with error. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: multiple fixes for multicast group handlingJack Morgenstein2006-01-061-19/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Multicast group management fixes: . Fix leak of mailbox memory in error handling on multicast group operations. . Free AMGM indices at detach and in attach error handling. . Fix amount to shift for aligning next_gid_index in mailbox: it starts at bit 6, not bit 5. . Allocate AMGM index after end of MGM table, in the range num_mgms to multicast table size - 1. Add some BUG_ON checks to catch cases where the index falls in the MGM hash area. . Initialize the list of QPs in a newly-allocated group from AMGM to 0 This is necessary since when a group is moved from AMGM to MGM (in the case where the MGM entry has been emptied of QPs), the AMGM entry is not reset to 0 (and we don't want an extra command to do that). Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: fix for RTR-to-RTS transition in modify QPJack Morgenstein2006-01-061-2/+0
| | | | | | | | | | | | | | PKEY_INDEX is not a legal parameter in the RTR->RTS transition. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: fix for SQEr-to-RTS transition in modify QPJack Morgenstein2006-01-061-3/+2
| | | | | | | | | | | | | | | | | | Fixes to SQEr->RTS transition in modify_qp: 1. The flag IB_QP_ACCESS_FLAGS is optional for UC qps 2. The SQEr state is not supported for RC qps Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: max_inline_data handling tweaksJack Morgenstein2006-01-061-26/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | Fix a case where copying max_inline_data from a successful create_qp capabilities output to create_qp input could cause EINVAL error: mthca_set_qp_size must check max_inline_data directly against max_desc_sz; checking qp->sq.max_gs is wrong since max_inline_data depends on the qp type and does not involve max_sg. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: create_eq with size not a power of 2Michael S. Tsirkin2006-01-051-2/+2
| | | | | | | | | | | | | | Fix mthca_create_eq for when the EQ size is not a power of 2. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: check port validity in modify_qpJack Morgenstein2006-01-051-0/+6
| | | | | | | | | | | | | | | | Modify_qp should check that the physical port number provided is a legal value. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: check return value in mthca_dev_lim callJack Morgenstein2006-01-051-0/+4
| | | | | | | | | | | | | | | | Check error return on call to mthca_dev_lim for Tavor (as is done for memfree). Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: fix WQE size calculation in create-srqJack Morgenstein2006-01-041-1/+1
| | | | | | | | | | | | | | Thinko: 64 bytes is the minimum SRQ WQE size (not the maximum). Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: Fix corner cases in max_rd_atomic value handling in modify QPJack Morgenstein2005-12-151-4/+6
| | | | | | | | | | | | | | | | | | | | | | sae and sre bits should only be set when setting sra_max. Further, in the old code, if the caller specifies max_rd_atomic = 0, the sre and sae bits are still set, with the result that the QP ends up with max_rd_atomic = 1 in effect. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: Fix IB_QP_ACCESS_FLAGS handling.Jack Morgenstein2005-12-151-50/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch corrects some corner cases in managing the RAE/RRE bits in the mthca qp context. These bits need to be zero if the user requests max_dest_rd_atomic of zero. The bits need to be restored to the value implied by the qp access flags attribute in a previous (or the current) modify-qp command if the dest_rd_atomic variable is changed to non-zero. In the current implementation, the following scenario will not work: RESET-to-INIT set QP access flags to all disabled (zeroes) INIT-to-RTR set max_dest_rd_atomic=10, AND set qp_access_flags = IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_ATOMIC The current code will incorrectly take the access-flags value set in the RESET-to-INIT transition. We can simplify, and correct, this IB_QP_ACCESS_FLAGS handling: it is always safe to set qp access flags in the firmware command if either of IB_QP_MAX_DEST_RD_ATOMIC or IB_QP_ACCESS_FLAGS is set, so let's just set it to the correct value, always. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: Fix SRQ cleanup during QP destroyJack Morgenstein2005-12-151-1/+10
| | | | | | | | | | | | | | | | When cleaning up a CQ for a QP attached to SRQ, need to free an SRQ WQE only if the CQE is a receive completion. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: Fix thinko in mthca_table_find()Michael S. Tsirkin2005-12-151-1/+1
| | | | | | | | | | | | | | | | break only escapes from the innermost loop, and we want to escape both loops and return an answer. Noticed by Ishai Rabinovitch. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: don't change driver's copy of attributes if modify QP failsJack Morgenstein2005-12-091-5/+6
| | | | | | | | | | | | | | | | | | Only change the driver's copy of the QP attributes in modify QP after checking the modify QP command completed successfully. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: correct log2 calculationJack Morgenstein2005-12-091-11/+6
| | | | | | | | | | | | | | | | | | Fix thinko in rd_atomic calculation: ffs(x) - 1 does not find the next power of 2 -- it should be fls(x - 1). Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: check RDMA limitsJack Morgenstein2005-12-091-0/+14
| | | | | | | | | | | | | | | | | | | | Add limit checking on rd_atomic and dest_rd_atomic attributes: especially for max_dest_rd_atomic, a value that is larger than HCA capability can cause RDB overflow and corruption of another QP. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: fix memory user DB table leakJack Morgenstein2005-12-091-0/+2
| | | | | | | | | | | | | | | | | | Free the memory allocated in mthca_init_user_db_tab() when releasing the db_tab in mthca_cleanup_user_db_tab(). Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/umad: fix memory leaksJack Morgenstein2005-12-091-2/+2
| | | | | | | | | | | | | | | | | | Don't leak packet if it had a timeout, and don't leak timeout struct if queue_packet() fails. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/cm: avoid reusing local IDSean Hefty2005-11-301-1/+2
| | | | | | | | | | | | | | | | | | | | Use an increasing local ID to avoid re-using identifiers while messages may still be outstanding on the old ID. Without this, a quick connect-disconnect-connect sequence can fail by matching messages for the new connection with the old connection. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/cm: correct reported reject codeSean Hefty2005-11-301-4/+9
| | | | | | | | | | | | | | | | Change reject code from TIMEOUT to CONSUMER_REJECT when destroying a cm_id in the process of connecting. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * IB/mthca: fix QP size limits for mem-free HCAsJack Morgenstein2005-11-301-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | Unlike tavor, the max work queue size is an exact power of 2 for arbel mode, despite what the documentation (of the QUERY_DEV_LIM firmware command) says. Without this patch, on Arbel, we can start with a QP of a valid size and get above the reported limit after rounding to the next power of two. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* | [PATCH] Make vm86 support optionalMatt Mackall2006-01-087-3/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds an option to remove vm86 support under CONFIG_EMBEDDED. Saves about 5k. This version eliminates most of the #ifdefs of the previous version and instead uses function stubs in vm86.h. Also, release_vm86_irqs is moved from asm-i386/irq.h to a more appropriate home in vm86.h so that the stubs can live together. $ size vmlinux-baseline vmlinux-novm86 text data bss dec hex filename 2920821 523232 190652 3634705 377611 vmlinux-baseline 2916268 523100 190492 3629860 376324 vmlinux-novm86 Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tiny: Configure ELF core dump supportMatt Mackall2006-01-082-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | configurable support for ELF core dumps text data bss dec hex filename 3330172 529036 190556 4049764 3dcb64 vmlinux-baseline 3325552 528912 190556 4045020 3db8dc vmlinux-no-elf add/remove: 0/8 grow/shrink: 0/0 up/down: 0/-4424 (-4424) function old new delta fill_note 32 - -32 maydump 58 - -58 dump_seek 67 - -67 writenote 180 - -180 elf_dump_thread_status 274 - -274 fill_psinfo 308 - -308 fill_prstatus 466 - -466 elf_core_dump 3039 - -3039 Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tiny: Make *[ug]id16 support optionalMatt Mackall2006-01-0819-65/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Configurable 16-bit UID and friends support This allows turning off the legacy 16 bit UID interfaces on embedded platforms. text data bss dec hex filename 3330172 529036 190556 4049764 3dcb64 vmlinux-baseline 3328268 529040 190556 4047864 3dc3f8 vmlinux From: Adrian Bunk <bunk@stusta.de> UID16 was accidentially disabled for !EMBEDDED. Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tiny: Make x86 doublefault handling optionalMatt Mackall2006-01-083-1/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds configurable support for doublefault reporting on x86 add/remove: 0/3 grow/shrink: 0/1 up/down: 0/-13048 (-13048) function old new delta cpu_init 846 786 -60 doublefault_fn 188 - -188 doublefault_stack 4096 - -4096 doublefault_tss 8704 - -8704 Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tiny: Trim non-IPX buildsMatt Mackall2006-01-081-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | trivial: drop unused 802.3 code if we compile without IPX (originally from http://wohnheim.fh-wedel.de/~joern/software/kernel/je/25/) Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tiny: Uninline some fslocks.c functionsMatt Mackall2006-01-081-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | uninline some file locking functions add/remove: 3/0 grow/shrink: 0/15 up/down: 256/-1525 (-1269) function old new delta locks_free_lock - 134 +134 posix_same_owner - 69 +69 __locks_delete_block - 53 +53 posix_locks_conflict 126 108 -18 locks_remove_posix 266 237 -29 locks_wake_up_blocks 121 87 -34 locks_block_on_timeout 83 47 -36 locks_insert_block 157 120 -37 locks_delete_block 62 23 -39 posix_unblock_lock 104 59 -45 posix_locks_deadlock 162 100 -62 locks_delete_lock 228 119 -109 sys_flock 338 217 -121 __break_lease 600 474 -126 lease_init 252 122 -130 fcntl_setlk64 793 649 -144 fcntl_setlk 793 649 -144 __posix_lock_file 1477 1026 -451 Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tiny: Uninline some inode.c functionsMatt Mackall2006-01-081-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | uninline a couple inode.c functions add/remove: 2/0 grow/shrink: 0/5 up/down: 256/-428 (-172) function old new delta ifind - 136 +136 ifind_fast - 120 +120 ilookup5_nowait 131 80 -51 ilookup 158 71 -87 ilookup5 171 80 -91 iget_locked 190 95 -95 iget5_locked 240 136 -104 Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tiny: Uninline some open.c functionsMatt Mackall2006-01-081-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | uninline some open.c functions add/remove: 3/0 grow/shrink: 0/6 up/down: 679/-1166 (-487) function old new delta do_sys_truncate - 336 +336 do_sys_ftruncate - 317 +317 __put_unused_fd - 26 +26 put_unused_fd 57 49 -8 sys_close 150 119 -31 sys_ftruncate64 260 26 -234 sys_ftruncate 272 24 -248 sys_truncate 339 25 -314 sys_truncate64 336 5 -331 Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] tiny: Add bloat-o-meter to scriptsMatt Mackall2006-01-081-0/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a rewrite of Andi Kleen's bloat-o-meter with sorting and reporting of gainers/decliners. Sample output: add/remove: 0/8 grow/shrink: 2/0 up/down: 88/-4424 (-4336) function old new delta __copy_to_user_ll 59 103 +44 __copy_from_user_ll 59 103 +44 fill_note 32 - -32 maydump 58 - -58 dump_seek 67 - -67 writenote 180 - -180 elf_dump_thread_status 274 - -274 fill_psinfo 308 - -308 fill_prstatus 466 - -466 elf_core_dump 3039 - -3039 The summary line says: no functions added, 8 removed two functions grew, none shrunk we gained 88 bytes and lost 4424 (or -4336 net) This work was sponsored in part by CE Linux Forum Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] vr41xx: section tags fixJean Delvare2006-01-081-2/+2
| | | | | | | | | | | | | | | | | | | | module_init functions must be tagged __init rather than __devinit; likewise, module_exit functions must be tagged __exit rather than __devexit. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Yoichi Yuasa <yuasa@hh.iij4u.or.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] cciss: avoid defining useless MAJOR_NR macroChristoph Hellwig2006-01-082-3/+1
| | | | | | | | | | | | | | | | This sneaked in with one of the updates. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] drivers/isdn/hardware/eicon/os_4bri.c: correct the xdiLoadFile() ↵Adrian Bunk2006-01-081-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | signature It's not good if caller and callee disagree regarding the type of the arguments. In this case, this could cause problems on 64bit architectures. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Armin Schindler <armin@melware.de> Cc: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] drivers/isdn/: add missing #includesAdrian Bunk2006-01-083-0/+4
| | | | | | | | | | | | | | | | | | | | | | Every file should #include the headers containing the prototypes for its global functions. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Armin Schindler <armin@melware.de> Cc: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] simplify k_getrusage()Oleg Nesterov2006-01-081-18/+11
| | | | | | | | | | | | | | | | | | | | | | Factor out common code for different RUSAGE_xxx cases. Don't take ->sighand->siglock in RUSAGE_SELF case, suggested by Ravikiran G Thirumalai <kiran@scalex86.org>. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] i810_audio: request_irq() fixAndrew Morton2006-01-081-10/+8
| | | | | | | | | | | | | | | | | | | | | | Request the IRQ after having set everything up. Otherwise a shared interrupt at the right time can kill the machine. Found this with David Woodhouse <dwmw2@infradead.org>'s debug-shared-irqs.patch. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] kconf: Check for eof from input stream.Ben Collins2006-01-081-2/+16
| | | | | | | | | | | | | | | | Signed-off-by: Ben Collins <bcollins@ubuntu.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fix workqueue oops during cpu offlineNathan Lynch2006-01-081-6/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use first_cpu(cpu_possible_map) for the single-thread workqueue case. We used to hardcode 0, but that broke on systems where !cpu_possible(0) when workqueue_struct->cpu_workqueue_struct was changed from a static array to alloc_percpu. Commit id bce61dd49d6ba7799be2de17c772e4c701558f14 ("Fix hardcoded cpu=0 in workqueue for per_cpu_ptr() calls") fixed that for Ben's funky sparc64 system, but it regressed my Power5. Offlining cpu 0 oopses upon the next call to queue_work for a single-thread workqueue, because now we try to manipulate per_cpu_ptr(wq->cpu_wq, 1), which is uninitialized. So we need to establish an unchanging "slot" for single-thread workqueues which will have a valid percpu allocation. Since alloc_percpu keys off of cpu_possible_map, which must not change after initialization, make this slot == first_cpu(cpu_possible_map). Signed-off-by: Nathan Lynch <ntl@pobox.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] drivers/block: Use ARRAY_SIZE macroTobias Klauser2006-01-087-15/+14
| | | | | | | | | | | | | | | | | | | | | | | | Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a duplicate of ARRAY_SIZE. Some trailing whitespaces are also removed. drivers/block/acsi* has been left out as it's marked BROKEN. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] remove semicolons from save_flags()Andrew Morton2006-01-081-1/+1
| | | | | | | | | | Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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