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2009-06-12Trivial: fix typo s/balence/balance/Thadeu Lima de Souza Cascardo
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-06-11fs/qnx4: sanitize includesAl Viro
fs-internal parts of qnx4_fs.h taken to fs/qnx4/qnx4.h, includes adjusted, qnx4_fs.h doesn't need unifdef anymore. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Sanitize qnx4 fsync handlingAl Viro
* have directory operations use mark_buffer_dirty_inode(), so that sync_mapping_buffers() would get those. * make qnx4_write_inode() honour its last argument. * get rid of insane copies of very ancient "walk the indirect blocks" in qnx4/fsync - they never matched the actual fs layout and, fortunately, never'd been called. Again, all this junk is not needed; ->fsync() should just do sync_mapping_buffers + sync_inode (and if we implement block allocation for qnx4, we'll need to use mark_buffer_dirty_inode() for extent blocks) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11New helper - simple_fsync()Al Viro
writes associated buffers, then does sync_inode() to write the inode itself (and to make it clean). Depends on ->write_inode() honouring the second argument. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11linux/magic.h: move cramfs magic out of cramfs_fs.hMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> CC: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11fs: Rearrange inode structure elements to avoid waste due to paddingTheodore Ts'o
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11fs: Remove i_cindex from struct inodeTheodore Ts'o
The only user of the i_cindex element in the inode structure is used is by the firewire drivers. As part of an attempt to slim down the inode structure to save memory --- since a typical Linux system will have hundreds of thousands if not millions of inodes cached, a reduction in the size inode has high leverage. The firewire driver does not need i_cindex in any fast path, so it's simple enough to calculate when it is needed, instead of wasting space in the inode structure. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: krh@redhat.com Cc: stefanr@s5r6.in-berlin.de Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Trim a bit of crap from fs.hAl Viro
do_remount_sb() is fs/internal.h fodder, fsync_no_super() is long gone. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11dcache: extrace and use d_unlinked()Alexey Dobriyan
d_unlinked() will be used in middle-term to ban checkpointing when opened but unlinked file is detected, and in long term, to detect such situation and special case on it. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11quota: Introduce writeout_quota_sb() (version 4)Jan Kara
Introduce this function which just writes all the quota structures but avoids all the syncing and cache pruning work to expose quota structures to userspace. Use this function from __sync_filesystem when wait == 0. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11quota: cleanup dquota sync functions (version 4)Christoph Hellwig
Currently the VFS calls vfs_dq_sync to sync out disk quotas for a given superblock. This is a small wrapper around sync_dquots which for the case of a non-NULL superblock is a small wrapper around quota_sync_sb. Just make quota_sync_sb global (rename it to sync_quota_sb) and call it directly. Also call it directly for those cases in quota.c that have a superblock and leave sync_dquots purely an iterator over sync_quota_sb and remove it's superblock argument. To make this nicer move the check for the lack of a quota_sync method from the callers into sync_quota_sb. [folded build fix from Alexander Beregalov <a.beregalov@gmail.com>] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11vfs: Rename fsync_super() to sync_filesystem() (version 4)Jan Kara
Rename the function so that it better describe what it really does. Also remove the unnecessary include of buffer_head.h. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11vfs: Move syncing code from super.c to sync.c (version 4)Jan Kara
Move sync_filesystems(), __fsync_super(), fsync_super() from super.c to sync.c where it fits better. [build fixes folded] Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11vfs: Make sys_sync() use fsync_super() (version 4)Jan Kara
It is unnecessarily fragile to have two places (fsync_super() and do_sync()) doing data integrity sync of the filesystem. Alter __fsync_super() to accommodate needs of both callers and use it. So after this patch __fsync_super() is the only place where we gather all the calls needed to properly send all data on a filesystem to disk. Nice bonus is that we get a complete livelock avoidance and write_supers() is now only used for periodic writeback of superblocks. sync_blockdevs() introduced a couple of patches ago is gone now. [build fixes folded] Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11vfs: Make __fsync_super() a static function (version 4)Jan Kara
__fsync_super() does the same thing as fsync_super(). So change the only caller to use fsync_super() and make __fsync_super() static. This removes unnecessarily duplicated call to sync_blockdev() and prepares ground for the changes to __fsync_super() in the following patches. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11remove s_async_listChristoph Hellwig
Remove the unused s_async_list in the superblock, a leftover of the broken async inode deletion code that leaked into mainline. Having this in the middle of the sync/unmount path is not helpful for the following cleanups. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11fs: introduce mnt_clone_writenpiggin@suse.de
This patch speeds up lmbench lat_mmap test by about another 2% after the first patch. Before: avg = 462.286 std = 5.46106 After: avg = 453.12 std = 9.58257 (50 runs of each, stddev gives a reasonable confidence) It does this by introducing mnt_clone_write, which avoids some heavyweight operations of mnt_want_write if called on a vfsmount which we know already has a write count; and mnt_want_write_file, which can call mnt_clone_write if the file is open for write. After these two patches, mnt_want_write and mnt_drop_write go from 7% on the profile down to 1.3% (including mnt_clone_write). [AV: mnt_want_write_file() should take file alone and derive mnt from it; not only all callers have that form, but that's the only mnt about which we know that it's already held for write if file is opened for write] Cc: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11fs: mnt_want_write speedupnpiggin@suse.de
This patch speeds up lmbench lat_mmap test by about 8%. lat_mmap is set up basically to mmap a 64MB file on tmpfs, fault in its pages, then unmap it. A microbenchmark yes, but it exercises some important paths in the mm. Before: avg = 501.9 std = 14.7773 After: avg = 462.286 std = 5.46106 (50 runs of each, stddev gives a reasonable confidence, but there is quite a bit of variation there still) It does this by removing the complex per-cpu locking and counter-cache and replaces it with a percpu counter in struct vfsmount. This makes the code much simpler, and avoids spinlocks (although the msync is still pretty costly, unfortunately). It results in about 900 bytes smaller code too. It does increase the size of a vfsmount, however. It should also give a speedup on large systems if CPUs are frequently operating on different mounts (because the existing scheme has to operate on an atomic in the struct vfsmount when switching between mounts). But I'm most interested in the single threaded path performance for the moment. [AV: minor cleanup] Cc: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Move junk from proc_fs.h to fs/proc/internal.hAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch lookup_mnt()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch follow_down()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Switch collect_mounts() to struct pathAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch follow_up() to struct pathAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch rqst_exp_parent()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11switch rqst_exp_get_by_name()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Cache root in nameidataAl Viro
New field: nd->root. When pathname resolution wants to know the root, check if nd->root.mnt is non-NULL; use nd->root if it is, otherwise copy current->fs->root there. After path_walk() is finished, we check if we'd got a cached value in nd->root and drop it. Before calling path_walk() we should either set nd->root.mnt to NULL *or* copy (and pin down) some path to nd->root. In the latter case we won't be looking at current->fs->root at all. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11reiserfs: allow exposing privroot w/ xattrs enabledJeff Mahoney
This patch adds an -oexpose_privroot option to allow access to the privroot. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-11Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notifyLinus Torvalds
* 'for-linus' of git://git.infradead.org/users/eparis/notify: fsnotify: allow groups to set freeing_mark to null inotify/dnotify: should_send_event shouldn't match on FS_EVENT_ON_CHILD dnotify: do not bother to lock entry->lock when reading mask dnotify: do not use ?true:false when assigning to a bool fsnotify: move events should indicate the event was on a child inotify: reimplement inotify using fsnotify fsnotify: handle filesystem unmounts with fsnotify marks fsnotify: fsnotify marks on inodes pin them in core fsnotify: allow groups to add private data to events fsnotify: add correlations between events fsnotify: include pathnames with entries when possible fsnotify: generic notification queue and waitq dnotify: reimplement dnotify using fsnotify fsnotify: parent event notification fsnotify: add marks to inodes so groups can interpret how to handle those inodes fsnotify: unified filesystem notification backend
2009-06-11Merge branch 'for-linus' of git://linux-arm.org/linux-2.6Linus Torvalds
* 'for-linus' of git://linux-arm.org/linux-2.6: kmemleak: Add the corresponding MAINTAINERS entry kmemleak: Simple testing module for kmemleak kmemleak: Enable the building of the memory leak detector kmemleak: Remove some of the kmemleak false positives kmemleak: Add modules support kmemleak: Add kmemleak_alloc callback from alloc_large_system_hash kmemleak: Add the vmalloc memory allocation/freeing hooks kmemleak: Add the slub memory allocation/freeing hooks kmemleak: Add the slob memory allocation/freeing hooks kmemleak: Add the slab memory allocation/freeing hooks kmemleak: Add documentation on the memory leak detector kmemleak: Add the base support Manual conflict resolution (with the slab/earlyboot changes) in: drivers/char/vt.c init/main.c mm/slab.c
2009-06-11Merge branch 'perfcounters-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (574 commits) perf_counter: Turn off by default perf_counter: Add counter->id to the throttle event perf_counter: Better align code perf_counter: Rename L2 to LL cache perf_counter: Standardize event names perf_counter: Rename enums perf_counter tools: Clean up u64 usage perf_counter: Rename perf_counter_limit sysctl perf_counter: More paranoia settings perf_counter: powerpc: Implement generalized cache events for POWER processors perf_counters: powerpc: Add support for POWER7 processors perf_counter: Accurate period data perf_counter: Introduce struct for sample data perf_counter tools: Normalize data using per sample period data perf_counter: Annotate exit ctx recursion perf_counter tools: Propagate signals properly perf_counter tools: Small frequency related fixes perf_counter: More aggressive frequency adjustment perf_counter/x86: Fix the model number of Intel Core2 processors perf_counter, x86: Correct some event and umask values for Intel processors ...
2009-06-11Merge branch 'topic/slab/earlyboot' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'topic/slab/earlyboot' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: vgacon: use slab allocator instead of the bootmem allocator irq: use kcalloc() instead of the bootmem allocator sched: use slab in cpupri_init() sched: use alloc_cpumask_var() instead of alloc_bootmem_cpumask_var() memcg: don't use bootmem allocator in setup code irq/cpumask: make memoryless node zero happy x86: remove some alloc_bootmem_cpumask_var calling vt: use kzalloc() instead of the bootmem allocator sched: use kzalloc() instead of the bootmem allocator init: introduce mm_init() vmalloc: use kzalloc() instead of alloc_bootmem() slab: setup allocators earlier in the boot sequence bootmem: fix slab fallback on numa bootmem: use slab if bootmem is no longer available
2009-06-11fsnotify: move events should indicate the event was on a childEric Paris
fsnotify tells its listeners explicitly when an event happened on the given inode verses on the child of the given inode. (see __fsnotify_parent) However, the semantics of fsnotify_move() are such that we deliver events directly to the two parent directories in question (old_dir and new_dir) directly without using the __fsnotify_parent() call. fsnotify should be adding FS_EVENT_ON_CHILD for the notifications to these parents. Signed-off-by: Eric Paris <eparis@redhat.com>
2009-06-11inotify: reimplement inotify using fsnotifyEric Paris
Reimplement inotify_user using fsnotify. This should be feature for feature exactly the same as the original inotify_user. This does not make any changes to the in kernel inotify feature used by audit. Those patches (and the eventual removal of in kernel inotify) will come after the new inotify_user proves to be working correctly. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11fsnotify: handle filesystem unmounts with fsnotify marksEric Paris
When an fs is unmounted with an fsnotify mark entry attached to one of its inodes we need to destroy that mark entry and we also (like inotify) send an unmount event. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11fsnotify: allow groups to add private data to eventsEric Paris
inotify needs per group information attached to events. This patch allows groups to attach private information and implements a callback so that information can be freed when an event is being destroyed. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11fsnotify: add correlations between eventsEric Paris
As part of the standard inotify events it includes a correlation cookie between two dentry move operations. This patch includes the same behaviour in fsnotify events. It is needed so that inotify userspace can be implemented on top of fsnotify. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11fsnotify: include pathnames with entries when possibleEric Paris
When inotify wants to send events to a directory about a child it includes the name of the original file. This patch collects that filename and makes it available for notification. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11fsnotify: generic notification queue and waitqEric Paris
inotify needs to do asyc notification in which event information is stored on a queue until the listener is ready to receive it. This patch implements a generic notification queue for inotify (and later fanotify) to store events to be sent at a later time. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11dnotify: reimplement dnotify using fsnotifyEric Paris
Reimplement dnotify using fsnotify. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11fsnotify: parent event notificationEric Paris
inotify and dnotify both use a similar parent notification mechanism. We add a generic parent notification mechanism to fsnotify for both of these to use. This new machanism also adds the dentry flag optimization which exists for inotify to dnotify. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11fsnotify: add marks to inodes so groups can interpret how to handle those inodesEric Paris
This patch creates a way for fsnotify groups to attach marks to inodes. These marks have little meaning to the generic fsnotify infrastructure and thus their meaning should be interpreted by the group that attached them to the inode's list. dnotify and inotify will make use of these markings to indicate which inodes are of interest to their respective groups. But this implementation has the useful property that in the future other listeners could actually use the marks for the exact opposite reason, aka to indicate which inodes it had NO interest in. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11fsnotify: unified filesystem notification backendEric Paris
fsnotify is a backend for filesystem notification. fsnotify does not provide any userspace interface but does provide the basis needed for other notification schemes such as dnotify. fsnotify can be extended to be the backend for inotify or the upcoming fanotify. fsnotify provides a mechanism for "groups" to register for some set of filesystem events and to then deliver those events to those groups for processing. fsnotify has a number of benefits, the first being actually shrinking the size of an inode. Before fsnotify to support both dnotify and inotify an inode had unsigned long i_dnotify_mask; /* Directory notify events */ struct dnotify_struct *i_dnotify; /* for directory notifications */ struct list_head inotify_watches; /* watches on this inode */ struct mutex inotify_mutex; /* protects the watches list But with fsnotify this same functionallity (and more) is done with just __u32 i_fsnotify_mask; /* all events for this inode */ struct hlist_head i_fsnotify_mark_entries; /* marks on this inode */ That's right, inotify, dnotify, and fanotify all in 64 bits. We used that much space just in inotify_watches alone, before this patch set. fsnotify object lifetime and locking is MUCH better than what we have today. inotify locking is incredibly complex. See 8f7b0ba1c8539 as an example of what's been busted since inception. inotify needs to know internal semantics of superblock destruction and unmounting to function. The inode pinning and vfs contortions are horrible. no fsnotify implementers do allocation under locks. This means things like f04b30de3 which (due to an overabundance of caution) changes GFP_KERNEL to GFP_NOFS can be reverted. There are no longer any allocation rules when using or implementing your own fsnotify listener. fsnotify paves the way for fanotify. In brief fanotify is a notification mechanism that delivers the lisener both an 'event' and an open file descriptor to the object in question. This means that fanotify is pathname agnostic. Some on lkml may not care for the original companies or users that pushed for TALPA, but fanotify was designed with flexibility and input for other users in mind. The readahead group expressed interest in fanotify as it could be used to profile disk access on boot without breaking the audit system. The desktop search groups have also expressed interest in fanotify as it solves a number of the race conditions and problems present with managing inotify when more than a limited number of specific files are of interest. fanotify can provide for a userspace access control system which makes it a clean interface for AV vendors to hook without trying to do binary patching on the syscall table, LSM, and everywhere else they do their things today. With this patch series fanotify can be implemented in less than 1200 lines of easy to review code. Almost all of which is the socket based user interface. This patch series builds fsnotify to the point that it can implement dnotify and inotify_user. Patches exist and will be sent soon after acceptance to finish the in kernel inotify conversion (audit) and implement fanotify. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
2009-06-11Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block: (153 commits) block: add request clone interface (v2) floppy: fix hibernation ramdisk: remove long-deprecated "ramdisk=" boot-time parameter fs/bio.c: add missing __user annotation block: prevent possible io_context->refcount overflow Add serial number support for virtio_blk, V4a block: Add missing bounce_pfn stacking and fix comments Revert "block: Fix bounce limit setting in DM" cciss: decode unit attention in SCSI error handling code cciss: Remove no longer needed sendcmd reject processing code cciss: change SCSI error handling routines to work with interrupts enabled. cciss: separate error processing and command retrying code in sendcmd_withirq_core() cciss: factor out fix target status processing code from sendcmd functions cciss: simplify interface of sendcmd() and sendcmd_withirq() cciss: factor out core of sendcmd_withirq() for use by SCSI error handling code cciss: Use schedule_timeout_uninterruptible in SCSI error handling code block: needs to set the residual length of a bidi request Revert "block: implement blkdev_readpages" block: Fix bounce limit setting in DM Removed reference to non-existing file Documentation/PCI/PCI-DMA-mapping.txt ... Manually fix conflicts with tracing updates in: block/blk-sysfs.c drivers/ide/ide-atapi.c drivers/ide/ide-cd.c drivers/ide/ide-floppy.c drivers/ide/ide-tape.c include/trace/events/block.h kernel/trace/blktrace.c
2009-06-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (266 commits) sh: Tie sparseirq in to Kconfig. sh: Wire up sys_rt_tgsigqueueinfo. sh: Fix sys_pwritev() syscall table entry for sh32. sh: Fix sh4a llsc-based cmpxchg() sh: sh7724: Add JPU support sh: sh7724: INTC setting update sh: sh7722 clock framework rewrite sh: sh7366 clock framework rewrite sh: sh7343 clock framework rewrite sh: sh7724 clock framework rewrite V3 sh: sh7723 clock framework rewrite V2 sh: add enable()/disable()/set_rate() to div6 code sh: add AP325RXA mode pin configuration sh: add Migo-R mode pin configuration sh: sh7722 mode pin definitions sh: sh7724 mode pin comments sh: sh7723 mode pin V2 sh: rework mode pin code sh: clock div6 helper code sh: clock div4 frequency table offset fix ...
2009-06-11Merge branch 'kvm-updates/2.6.31' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
* 'kvm-updates/2.6.31' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (138 commits) KVM: Prevent overflow in largepages calculation KVM: Disable large pages on misaligned memory slots KVM: Add VT-x machine check support KVM: VMX: Rename rmode.active to rmode.vm86_active KVM: Move "exit due to NMI" handling into vmx_complete_interrupts() KVM: Disable CR8 intercept if tpr patching is active KVM: Do not migrate pending software interrupts. KVM: inject NMI after IRET from a previous NMI, not before. KVM: Always request IRQ/NMI window if an interrupt is pending KVM: Do not re-execute INTn instruction. KVM: skip_emulated_instruction() decode instruction if size is not known KVM: Remove irq_pending bitmap KVM: Do not allow interrupt injection from userspace if there is a pending event. KVM: Unprotect a page if #PF happens during NMI injection. KVM: s390: Verify memory in kvm run KVM: s390: Sanity check on validity intercept KVM: s390: Unlink vcpu on destroy - v2 KVM: s390: optimize float int lock: spin_lock_bh --> spin_lock KVM: s390: use hrtimer for clock wakeup from idle - v2 KVM: s390: Fix memory slot versus run - v3 ...
2009-06-11Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (44 commits) nommu: Provide mmap_min_addr definition. TOMOYO: Add description of lists and structures. TOMOYO: Remove unused field. integrity: ima audit dentry_open failure TOMOYO: Remove unused parameter. security: use mmap_min_addr indepedently of security models TOMOYO: Simplify policy reader. TOMOYO: Remove redundant markers. SELinux: define audit permissions for audit tree netlink messages TOMOYO: Remove unused mutex. tomoyo: avoid get+put of task_struct smack: Remove redundant initialization. integrity: nfsd imbalance bug fix rootplug: Remove redundant initialization. smack: do not beyond ARRAY_SIZE of data integrity: move ima_counts_get integrity: path_check update IMA: Add __init notation to ima functions IMA: Minimal IMA policy and boot param for TCB IMA policy selinux: remove obsolete read buffer limit from sel_read_bool ...
2009-06-11Merge branch 'for-2.6.31' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 * 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (28 commits) ide-tape: fix debug call alim15x3: Remove historical hacks, re-enable init_hwif for PowerPC ide-dma: don't reset request fields on dma_timeout_retry() ide: drop rq->data handling from ide_map_sg() ide-atapi: kill unused fields and callbacks ide-tape: simplify read/write functions ide-tape: use byte size instead of sectors on rw issue functions ide-tape: unify r/w init paths ide-tape: kill idetape_bh ide-tape: use standard data transfer mechanism ide-tape: use single continuous buffer ide-atapi,tape,floppy: allow ->pc_callback() to change rq->data_len ide-tape,floppy: fix failed command completion after request sense ide-pm: don't abuse rq->data ide-cd,atapi: use bio for internal commands ide-atapi: convert ide-{floppy,tape} to using preallocated sense buffer ide-cd: convert to using generic sense request ide: add helpers for preparing sense requests ide-cd: don't abuse rq->buffer ide-atapi: don't abuse rq->buffer ...
2009-06-11x86: remove some alloc_bootmem_cpumask_var callingYinghai Lu
Now that we set up the slab allocator earlier, we can get rid of some alloc_bootmem_cpumask_var() calls in boot code. Cc: Ingo Molnar <mingo@elte.hu> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
2009-06-11kmemleak: Remove some of the kmemleak false positivesCatalin Marinas
There are allocations for which the main pointer cannot be found but they are not memory leaks. This patch fixes some of them. For more information on false positives, see Documentation/kmemleak.txt. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2009-06-11kmemleak: Add the slab memory allocation/freeing hooksCatalin Marinas
This patch adds the callbacks to kmemleak_(alloc|free) functions from the slab allocator. The patch also adds the SLAB_NOLEAKTRACE flag to avoid recursive calls to kmemleak when it allocates its own data structures. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>