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* sched: fix sched_slice()Mike Galbraith2009-01-021-18/+12
| | | | | | | | | | | | | | Impact: fix bad-interactivity buglet Fix sched_slice() to emit a sane result whether a task is currently enqueued or not. Signed-off-by: Mike Galbraith <efault@gmx.de> Tested-by: Jayson King <dev@jaysonking.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> kernel/sched_fair.c | 30 ++++++++++++------------------ 1 file changed, 12 insertions(+), 18 deletions(-)
* Merge branch 'for-linus' of ↵Linus Torvalds2008-12-3181-351/+696
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (34 commits) nfsd race fixes: jfs nfsd race fixes: reiserfs nfsd race fixes: ext4 nfsd race fixes: ext3 nfsd race fixes: ext2 nfsd/create race fixes, infrastructure filesystem notification: create fs/notify to contain all fs notification fs/block_dev.c: __read_mostly improvement and sb_is_blkdev_sb utilization kill ->dir_notify() filp_cachep can be static in fs/file_table.c fix f_count description in Documentation/filesystems/files.txt make INIT_FS use the __RW_LOCK_UNLOCKED initialization take init_fs to saner place kill vfs_permission pass a struct path * to may_open kill walk_init_root remove incorrect comment in inode_permission expand some comments (d_path / seq_path) correct wrong function name of d_put in kernel document and source comment fix switch_names() breakage in short-to-short case ...
| * nfsd race fixes: jfsDave Kleikamp2008-12-312-16/+37
| | | | | | | | | | | | | | jfs version of Al Viro's nfsd race patches Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * nfsd race fixes: reiserfsAl Viro2008-12-312-5/+18
| | | | | | | | | | | | | | ... and the same for reiserfs. The difference here is that we need insert_inode_locked4() to match iget5_locked(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * nfsd race fixes: ext4Al Viro2008-12-312-2/+18
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * nfsd race fixes: ext3Al Viro2008-12-312-2/+19
| | | | | | | | | | | | ext3 analog of the previous patch Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * nfsd race fixes: ext2Al Viro2008-12-312-2/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * make ext2_new_inode() put the inode into icache in locked state * do not unlock until the inode is fully set up; otherwise nfsd might pick it in half-baked state. * make sure that ext2_new_inode() does *not* lead to two inodes with the same inumber hashed at the same time; otherwise a bogus fhandle coming from nfsd might race with inode creation: nfsd: iget_locked() creates inode nfsd: try to read from disk, block on that. ext2_new_inode(): allocate inode with that inumber ext2_new_inode(): insert it into icache, set it up and dirty ext2_write_inode(): get the relevant part of inode table in cache, set the entry for our inode (and start writing to disk) nfsd: get CPU again, look into inode table, see nice and sane on-disk inode, set the in-core inode from it oops - we have two in-core inodes with the same inumber live in icache, both used for IO. Welcome to fs corruption... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * nfsd/create race fixes, infrastructureAl Viro2008-12-312-0/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | new helpers - insert_inode_locked() and insert_inode_locked4(). Hash new inode, making sure that there's no such inode in icache already. If there is and it does not end up unhashed (as would happen if we have nfsd trying to resolve a bogus fhandle), fail. Otherwise insert our inode into hash and succeed. In either case have i_state set to new+locked; cleanup ends up being simpler with such calling conventions. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * filesystem notification: create fs/notify to contain all fs notificationEric Paris2008-12-3111-42/+46
| | | | | | | | | | | | | | | | | | | | | | Creating a generic filesystem notification interface, fsnotify, which will be used by inotify, dnotify, and eventually fanotify is really starting to clutter the fs directory. This patch simply moves inotify and dnotify into fs/notify/inotify and fs/notify/dnotify respectively to make both current fs/ and future notification tidier. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fs/block_dev.c: __read_mostly improvement and sb_is_blkdev_sb utilizationDenis ChengRq2008-12-311-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - iget5_locked in bdget really needs blockdev_superblock, instead of bd_mnt, so bd_mnt could be just a local variable; - blockdev_superblock really needs __read_mostly, while local var bd_mnt not; - make use of sb_is_blkdev_sb in bd_forget, instead of direct reference to blockdev_superblock. Signed-off-by: Denis ChengRq <crquan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * kill ->dir_notify()Al Viro2008-12-319-142/+1
| | | | | | | | | | | | | | | | | | | | | | Remove the hopelessly misguided ->dir_notify(). The only instance (cifs) has been broken by design from the very beginning; the objects it creates are never destroyed, keep references to struct file they can outlive, nothing that could possibly evict them exists on close(2) path *and* no locking whatsoever is done to prevent races with close(), should the previous, er, deficiencies someday be dealt with. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * filp_cachep can be static in fs/file_table.cEric Dumazet2008-12-313-9/+9
| | | | | | | | | | | | | | | | | | | | | | Instead of creating the "filp" kmem_cache in vfs_caches_init(), we can do it a litle be later in files_init(), so that filp_cachep is static to fs/file_table.c Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fix f_count description in Documentation/filesystems/files.txtEric Dumazet2008-12-311-3/+3
| | | | | | | | | | | | | | | | Documentation/filesystems/files.txt was not updated when f_count became an atomic_long_t. atomic_long_inc_not_zero() is now used instead of atomic_inc_not_zero() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * make INIT_FS use the __RW_LOCK_UNLOCKED initializationSteven Rostedt2008-12-311-1/+1
| | | | | | | | | | | | | | | | | | [AV: rediffed on top of unification of init_fs] Initialization of init_fs still uses the deprecated RW_LOCK_UNLOCKED macro. This patch updates it to use the __RW_LOCK_UNLOCKED(lock) macro. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * take init_fs to saner placeAl Viro2008-12-3124-27/+8
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * kill vfs_permissionChristoph Hellwig2008-12-313-21/+16
| | | | | | | | | | | | | | | | | | | | | | | | With all the nameidata removal there's no point anymore for this helper. Of the three callers left two will go away with the next lookup series anyway. Also add proper kerneldoc to inode_permission as this is the main permission check routine now. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * pass a struct path * to may_openChristoph Hellwig2008-12-313-10/+11
| | | | | | | | | | | | | | No need for the nameidata in may_open - a struct path is enough. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * kill walk_init_rootChristoph Hellwig2008-12-311-13/+8
| | | | | | | | | | | | | | | | walk_init_root is a tiny helper that is marked __always_inline, has just one caller and an unused argument. Just merge it into the caller. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * remove incorrect comment in inode_permissionChristoph Hellwig2008-12-311-1/+0
| | | | | | | | | | | | | | | | We now pass on all MAY_ flags to the filesystems permission routines, so remove the comment stating the contrary. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * expand some comments (d_path / seq_path)Arjan van de Ven2008-12-312-4/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Explain that you really need to use the return value of d_path rather than the buffer you passed into it. Also fix the comment for seq_path(), the function arguments changed recently but the comment hadn't been updated in sync. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * correct wrong function name of d_put in kernel document and source commentZhaolei2008-12-312-2/+2
| | | | | | | | | | | | | | | | | | | | | | no function named d_put(), it should be dput(). Impact: fix document and comment, no functionality changed Signed-off-by: Zhao Lei <zhaolei@cn.fuijtsu.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fix switch_names() breakage in short-to-short caseAl Viro2008-12-311-2/+3
| | | | | | | | | | | | | | We want ->name.len to match the resulting name on *both* source and target Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * befs: ensure fast symlinks are NUL-terminatedDuane Griffin2008-12-311-1/+4
| | | | | | | | | | | | | | | | | | Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Cc: Sergey S. Kostyliov <rathamahata@php4.ru> Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * freevxfs: ensure fast symlinks are NUL-terminatedDuane Griffin2008-12-311-1/+3
| | | | | | | | | | | | | | | | | | Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * sysv: ensure fast symlinks are NUL-terminatedDuane Griffin2008-12-311-1/+5
| | | | | | | | | | | | | | | | | | | | Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Cc: Christoph Hellwig <hch@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ext4: ensure fast symlinks are NUL-terminatedDuane Griffin2008-12-311-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Theodore Ts'o <tytso@mit.edu> Cc: adilger@sun.com Cc: linux-ext4@vger.kernel.org Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ext3: ensure fast symlinks are NUL-terminatedDuane Griffin2008-12-311-2/+5
| | | | | | | | | | | | | | | | | | | | | | Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Stephen Tweedie <sct@redhat.com> Cc: linux-ext4@vger.kernel.org Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ext2: ensure fast symlinks are NUL-terminatedDuane Griffin2008-12-311-2/+5
| | | | | | | | | | | | | | | | | | Ensure fast symlink targets are NUL-terminated, even if corrupted on-disk. Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * vfs: ensure page symlinks are NUL-terminatedDuane Griffin2008-12-311-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | On-disk data corruption could cause a page link to have its i_size set to PAGE_SIZE (or a multiple thereof) and its contents all non-NUL. NUL-terminate the link name to ensure this doesn't cause further problems for the kernel. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * vfs: introduce helper function to safely NUL-terminate symlinksDuane Griffin2008-12-311-0/+5
| | | | | | | | | | | | | | | | | | | | | | A number of filesystems were potentially triggering kernel bugs due to corrupted symlink names on disk. This function helps safely terminate the names. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * eCryptfs: check readlink result was not an error before using itDuane Griffin2008-12-311-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The result from readlink is being used to index into the link name buffer without checking whether it is a valid length. If readlink returns an error this will fault or cause memory corruption. Cc: Tyler Hicks <tyhicks@linux.vnet.ibm.com> Cc: Dustin Kirkland <kirkland@canonical.com> Cc: ecryptfs-devel@lists.launchpad.net Signed-off-by: Duane Griffin <duaneg@dghda.com> Acked-by: Michael Halcrow <mhalcrow@us.ibm.com> Acked-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fs/namespace.c: drop code after returnJulia Lawall2008-12-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | The extra semicolon serves no purpose. Signed-off-by: Julia Lawall <julia@diku.dk> Reviewed-by: Richard Genoud <richard.genoud@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * include: linux/fs.h: put declarations in __KERNEL__Jan Engelhardt2008-12-311-9/+9
| | | | | | | | | | | | | | | | | | | | include/linux/fs.h contains externs for a bunch of variables. That obviously belongs under ifdef __KERNEL__. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * shrink struct dentryNick Piggin2008-12-315-22/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | struct dentry is one of the most critical structures in the kernel. So it's sad to see it going neglected. With CONFIG_PROFILING turned on (which is probably the common case at least for distros and kernel developers), sizeof(struct dcache) == 208 here (64-bit). This gives 19 objects per slab. I packed d_mounted into a hole, and took another 4 bytes off the inline name length to take the padding out from the end of the structure. This shinks it to 200 bytes. I could have gone the other way and increased the length to 40, but I'm aiming for a magic number, read on... I then got rid of the d_cookie pointer. This shrinks it to 192 bytes. Rant: why was this ever a good idea? The cookie system should increase its hash size or use a tree or something if lookups are a problem. Also the "fast dcookie lookups" in oprofile should be moved into the dcookie code -- how can oprofile possibly care about the dcookie_mutex? It gets dropped after get_dcookie() returns so it can't be providing any sort of protection. At 192 bytes, 21 objects fit into a 4K page, saving about 3MB on my system with ~140 000 entries allocated. 192 is also a multiple of 64, so we get nice cacheline alignment on 64 and 32 byte line systems -- any given dentry will now require 3 cachelines to touch all fields wheras previously it would require 4. I know the inline name size was chosen quite carefully, however with the reduction in cacheline footprint, it should actually be just about as fast to do a name lookup for a 36 character name as it was before the patch (and faster for other sizes). The memory footprint savings for names which are <= 32 or > 36 bytes long should more than make up for the memory cost for 33-36 byte names. Performance is a feature... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fs: reorder struct inotify_device on 64bits to remove paddingRichard Kennedy2008-12-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reorder struct inotify_device to remove 8 bytes of padding on 64bit builds, reducing size to 128 bytes . Therefore allocating from a smaller slab & using one fewer cachelines. Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk> ---- Hi, patch against 2.6.28-rc7. built & tested on AMDX2 desktop. I've not been able to send this to the listed inotify maintainers, I just get mail failures. So I guessed filesystem was the best home for it, hope that's ok. regards Richard Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * introduce new LSM hooks where vfsmount is available.Kentaro Takeda2008-12-317-0/+314
| | | | | | | | | | | | | | | | | | | | Add new LSM hooks for path-based checks. Call them on directory-modifying operations at the points where we still know the vfsmount involved. Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | Merge branch 'irq-fixes-for-linus-4' of ↵Linus Torvalds2008-12-3113-109/+84
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-fixes-for-linus-4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sparseirq: move __weak symbols into separate compilation unit sparseirq: work around __weak alias bug sparseirq: fix hang with !SPARSE_IRQ sparseirq: set lock_class for legacy irq when sparse_irq is selected sparseirq: work around compiler optimizing away __weak functions sparseirq: fix desc->lock init sparseirq: do not printk when migrating IRQ descriptors sparseirq: remove duplicated arch_early_irq_init() irq: simplify for_each_irq_desc() usage proc: remove ifdef CONFIG_SPARSE_IRQ from stat.c irq: for_each_irq_desc() move to irqnr.h hrtimer: remove #include <linux/irq.h>
| * | sparseirq: move __weak symbols into separate compilation unitYinghai Lu2008-12-295-22/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GCC has a bug with __weak alias functions: if the functions are in the same compilation unit as their call site, GCC can decide to inline them - and thus rob the linker of the opportunity to override the weak alias with the real thing. So move all the IRQ handling related __weak symbols to kernel/irq/chip.c. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | sparseirq: work around __weak alias bugIngo Molnar2008-12-292-5/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix boot crash if the kernel is built with certain GCC versions GCC has a bug with __weak alias functions: if the functions are in the same compilation unit as their call site, GCC can decide to inline them - and thus rob the linker of the opportunity to override the weak alias with the real thing. This can lead to the boot crash reported by Kamalesh Babulal: ACPI: Core revision 20080926 Setting APIC routing to flat BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [<ffffffff8021f9a8>] add_pin_to_irq_cpu+0x14/0x74 PGD 0 Oops: 0000 [#1] SMP [...] So move the arch_init_chip_data() function from handle.c to manage.c. Reported-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | sparseirq: fix hang with !SPARSE_IRQYinghai Lu2008-12-271-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix hang Suresh report his two sockets system only works with SPARSE_IRQ enable it turns out we miss the setting desc->irq so provide early_irq_init() even !SPARSE_IRQ to set desc->irq Reported-by: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | sparseirq: set lock_class for legacy irq when sparse_irq is selectedYinghai Lu2008-12-271-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: add lockdep annotation to legacy IRQ descs Warnings resulting out of this were not seen in practice, but it's prudent to initialize the legacy descriptors to the lock class as well, symmetric to how we do it with other descriptors. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | sparseirq: work around compiler optimizing away __weak functionsYinghai Lu2008-12-274-11/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix panic on null pointer with sparseirq Some GCC versions seem to inline the weak global function, when that function is empty. Work it around, by making the functions return a (dummy) integer. Signed-off-by: Yinghai <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | sparseirq: fix desc->lock initIngo Molnar2008-12-272-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup init_one_irq_desc() does not initialize the desc->lock properly - you cannot init a lock by memcpying some other lock on it. This happens to work right now (because irq_desc_init is never in use), but it's a dangerous construct nevertheless, so fix it. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | sparseirq: do not printk when migrating IRQ descriptorsIngo Molnar2008-12-271-5/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: reduce printk noise There were a couple of leftover KERN_DEBUG debugging printks, remove them. Also clarify an error message. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | sparseirq: remove duplicated arch_early_irq_init()Yinghai Lu2008-12-261-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: clean up We already have a weak copy of this function in init/main.c Signed-off-by: Yinghai <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | irq: simplify for_each_irq_desc() usageKOSAKI Motohiro2008-12-266-38/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup all for_each_irq_desc() usage point have !desc check. then its check can move into for_each_irq_desc() macro. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | proc: remove ifdef CONFIG_SPARSE_IRQ from stat.cKOSAKI Motohiro2008-12-262-11/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup irq_desc can be NULL when CONFIG_SPARSE_IRQ=y only. therefore, NULL checking can move into kstat_irqs_cpu() of SPARSE_IRQ version. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: "Yinghai Lu" <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | irq: for_each_irq_desc() move to irqnr.hKOSAKI Motohiro2008-12-263-32/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup before CONFIG_SPARSE_IRQ age, for_each_irq_desc() sat in irqnr.h and could be called from generic code. CONFIG_SPARSE_IRQ breaks this assumption, but SPARSE_IRQ version for_each_irq_desc() also can move into irqnr.h easily. Also, this patch unifies CONFIG_SPARSE_IRQ and !CONFIG_SPARSE_IRQ for_each_irq_desc(). Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | hrtimer: remove #include <linux/irq.h>KOSAKI Motohiro2008-12-261-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup <linux/irq.h> can be removed and should be, because: - hrtimer doesn't use any irq feature. - <linux/irq.h> shouldn't be include from generic code. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6Linus Torvalds2008-12-303-2/+3
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6: fat: make sure to set d_ops in fat_get_parent fat: fix duplicate addition of ->llseek handler fat: drop negative dentry on rename() path
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