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2009-06-12[S390] vdso: kernel parameter syntaxMartin Schwidefsky1-2/+13
The syntax of the vdso kernel parameter is documented as vdso=[on|off]. The implementation uses vdso=[0|1], an invalid parameter string disables the vdso support. Fix the mismatch by adding vdso=[on|off] as additional parameter syntax. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-06-12memcg: fix page_cgroup fatal error in FLATMEMKAMEZAWA Hiroyuki3-20/+32
Now, SLAB is configured in very early stage and it can be used in init routine now. But replacing alloc_bootmem() in FLAT/DISCONTIGMEM's page_cgroup() initialization breaks the allocation, now. (Works well in SPARSEMEM case...it supports MEMORY_HOTPLUG and size of page_cgroup is in reasonable size (< 1 << MAX_ORDER.) This patch revive FLATMEM+memory cgroup by using alloc_bootmem. In future, We stop to support FLATMEM (if no users) or rewrite codes for flatmem completely.But this will adds more messy codes and overheads. Reported-by: Li Zefan <lizf@cn.fujitsu.com> Tested-by: Li Zefan <lizf@cn.fujitsu.com> Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
2009-06-12GFS2: Add tracepointsSteven Whitehouse8-6/+442
This patch adds the ability to trace various aspects of the GFS2 filesystem. The trace points are divided into three groups, glocks, logging and bmap. These points have been chosen because they allow inspection of the major internal functions of GFS2 and they are also generic enough that they are unlikely to need any major changes as the filesystem evolves. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2009-06-12x86: Provide _sdata in the vmlinux.lds.S fileCatalin Marinas1-0/+2
_sdata is a common symbol defined by many architectures and made available to the kernel via asm-generic/sections.h. Kmemleak uses this symbol when scanning the data sections. [ Impact: add new global symbol ] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> LKML-Reference: <20090511122105.26556.96593.stgit@pc1117.cambridge.arm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-12Merge commit 'origin/master' into nextBenjamin Herrenschmidt1642-33728/+101156
Manual merge of: arch/powerpc/kernel/asm-offsets.c
2009-06-12powerpc: Fix bug in move of altivec code to vector.SBenjamin Herrenschmidt1-2/+4
The patch that moved to vector.S and made common between 32 and 64-bit the altivec code had a nasty bug on 32-bit (did I really test that ?) which causes the kernel to blr back into userspace ... oops :-) Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-06-12drm: include kernel list header file in hashtab headerJerome Glisse1-0/+2
Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm: Export hash table functionality.Jerome Glisse1-0/+4
add exports so TTM module can use these functions. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm: Split out the mm declarations in a separate header. Add atomic operations.Jerome Glisse3-64/+228
this is a TTM preparation patch, it rearranges the mm and add operations needed to do mm operations in atomic context. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm/radeon: add support for RV790.Alex Deucher2-2/+4
This adds the PCI IDs for the rv790 which are equiv to the rv770. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm/radeon: add rv740 drm support.Alex Deucher3-3/+41
This adds drm support for the RV740 family of chips to the r600 support code. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm_calloc_large: check right size, check integer overflow, use GFP_ZEROKristian Høgsberg1-8/+4
Previously we would check size instead of size * nmemb, and so would never hit the vmalloc path. Also add integer overflow check as in kcalloc, and allocate GFP_ZERO pages instead of memset()ing them. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm: Eliminate magic I2C frobbing when reading EDIDKeith Packard1-73/+1
This code depends on the underlying I2C adapter using the bit-banging algo, which may not be the case. If specific encoders require this mechanism, they should build a custom I2C algo that implements this workaround, rather than having it in the general path. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm/i915: duplicate desired mode for use by fbcon.Dave Airlie2-4/+14
duplicate the mode into fbcon storage, so when we free modes later we don't just lose this. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm/via: vfree() no need checking before calling itFigo.zhang1-4/+2
vfree() does it's own NULL checking, no need for explicit check before calling it. Signed-off-by: Figo.zhang <figo1802@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm: Replace DRM_DEBUG with DRM_DEBUG_DRIVER in i915 driveryakui_zhao1-20/+29
Replace the DRM_DEBUG with the DRM_DEBUG_DRIVER to print the debug info in i915 driver. Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12drm: Replace DRM_DEBUG with DRM_DEBUG_MODE in drm_modeyakui_zhao1-7/+11
Replace the DRM_DEBUG with DRM_DEBUG_MODE macro to print the info in drm_mode. airlied:- fixed up to remove a conflicting #define Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-06-12bridge: Simplify interface for ATM LANEMichał Mirosław5-58/+44
This patch changes FDB entry check for ATM LANE bridge integration. There's no point in holding a FDB entry around SKB building. br_fdb_get()/br_fdb_put() pair are changed into single br_fdb_test_addr() hook that checks if the addr has FDB entry pointing to other port to the one the request arrived on. FDB entry refcounting is removed as it's not used anywhere else. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-12[PATCH] net core: Some interface flags not returned by SIOCGIFFLAGSJohn Dykstra2-4/+1
Commit b00055aacdb172c05067612278ba27265fcd05ce " [NET] core: add RFC2863 operstate" defined new interface flag values. Its documentation specified that these flags could be accessed from user space via SIOCGIFFLAGS. However, this does not work because the new flags do not fit in that ioctl's argument width. Change the documentation to match the code's behavior. Also change the source to explicitly show the truncation. This _should_ have no effect on executable code, and did not with gcc 4.2.4 generating x86 code. A new ioctl could be defined to return all interface flags to user space. However, since this has been broken for three years with no one complaining, there doesn't seem much need. They are still accessible via netlink. Reported-by: "Fredrik Arnerup" <fredrik.arnerup@edgeware.tv> Signed-off-by: John Dykstra <john.dykstra1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-12virtio_net: Fix IP alignment on non-mergeable RX pathHerbert Xu1-1/+2
We need to enforce the IP alignment on the non-mergeable RX path just like the other RX path. Not doing so results in misaligned IP headers. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-12block: fix kernel-doc in recent block/ changesRandy Dunlap2-13/+14
Fix kernel-doc warnings in recently changed block/ source code. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-12Merge branch 'for-linus' of ↵Linus Torvalds147-1834/+1707
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: (87 commits) nilfs2: get rid of bd_mount_sem use from nilfs nilfs2: correct exclusion control in nilfs_remount function nilfs2: simplify remaining sget() use nilfs2: get rid of sget use for checking if current mount is present nilfs2: get rid of sget use for acquiring nilfs object nilfs2: remove meaningless EBUSY case from nilfs_get_sb function remove the call to ->write_super in __sync_filesystem nilfs2: call nilfs2_write_super from nilfs2_sync_fs jffs2: call jffs2_write_super from jffs2_sync_fs ufs: add ->sync_fs sysv: add ->sync_fs hfsplus: add ->sync_fs hfs: add ->sync_fs fat: add ->sync_fs ext2: add ->sync_fs exofs: add ->sync_fs bfs: add ->sync_fs affs: add ->sync_fs sanitize ->fsync() for affs repair bfs_write_inode(), switch bfs to simple_fsync() ...
2009-06-12Merge branch 'for-linus' of ↵Linus Torvalds23-187/+178
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: remove unecessary include of thread_info.h in entry.S m68knommu: enumerate INIT_THREAD fields properly headers_check fix: m68k, swab.h arch/m68knommu: Convert #ifdef DEBUG printk(KERN_DEBUG to pr_debug( m68knommu: remove obsolete reset code m68knommu: move CPU reset code for the 5272 ColdFire into its platform code m68knommu: move CPU reset code for the 528x ColdFire into its platform code m68knommu: move CPU reset code for the 527x ColdFire into its platform code m68knommu: move CPU reset code for the 523x ColdFire into its platform code m68knommu: move CPU reset code for the 520x ColdFire into its platform code m68knommu: add CPU reset code for the 532x ColdFire m68knommu: add CPU reset code for the 5249 ColdFire m68knommu: add CPU reset code for the 5206e ColdFire m68knommu: add CPU reset code for the 5206 ColdFire m68knommu: add CPU reset code for the 5407 ColdFire m68knommu: add CPU reset code for the 5307 ColdFire m68knommu: merge system reset for code ColdFire 523x family m68knommu: fix system reset for ColdFire 527x family
2009-06-12kvm: remove the duplicated cpumask_clearYinghai Lu1-1/+0
zalloc_cpumask_var already cleared it. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-12x86: use zalloc_cpumask_var in arch_early_irq_initYinghai Lu1-2/+2
So we make sure MAXSMP gets a cleared cpumask Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-12perfcounters: remove powerpc definitions of perf_counter_do_pendingStephen Rothwell2-3/+1
Commit 925d519ab82b6dd7aca9420d809ee83819c08db2 ("perf_counter: unify and fix delayed counter wakeup") added global definitions. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Paul Mackerras <paulus@samba.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-12Merge branch 'master' of ↵David S. Miller40-699/+1459
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2009-06-12nilfs2: get rid of bd_mount_sem use from nilfsRyusuke Konishi4-9/+12
This will remove every bd_mount_sem use in nilfs. The intended exclusion control was replaced by the previous patch ("nilfs2: correct exclusion control in nilfs_remount function") for nilfs_remount(), and this patch will replace remains with a new mutex that this inserts in nilfs object. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12nilfs2: correct exclusion control in nilfs_remount functionRyusuke Konishi3-31/+33
nilfs_remount() changes mount state of a superblock instance. Even though nilfs accesses other superblock instances during mount or remount, the mount state was not properly protected in nilfs_remount(). Moreover, nilfs_remount() has a lock order reversal problem; nilfs_get_sb() holds: 1. bdev->bd_mount_sem 2. sb->s_umount (sget acquires) and nilfs_remount() holds: 1. sb->s_umount (locked by the caller in vfs) 2. bdev->bd_mount_sem To avoid these problems, this patch divides a semaphore protecting super block instances from nilfs->ns_sem, and applies it to the mount state protection in nilfs_remount(). With this change, bd_mount_sem use is removed from nilfs_remount() and the lock order reversal will be resolved. And the new rw-semaphore, nilfs->ns_super_sem will properly protect the mount state except the modification from nilfs_error function. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12nilfs2: simplify remaining sget() useRyusuke Konishi4-25/+75
This simplifies the test function passed on the remaining sget() callsite in nilfs. Instead of checking mount type (i.e. ro-mount/rw-mount/snapshot mount) in the test function passed to sget(), this patch first looks up the nilfs_sb_info struct which the given mount type matches, and then acquires the super block instance holding the nilfs_sb_info. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12nilfs2: get rid of sget use for checking if current mount is presentRyusuke Konishi2-60/+35
This stops using sget() for checking if an r/w-mount or an r/o-mount exists on the device. This elimination uses a back pointer to the current mount added to nilfs object. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12nilfs2: get rid of sget use for acquiring nilfs objectRyusuke Konishi3-65/+76
This will change the way to obtain nilfs object in nilfs_get_sb() function. Previously, a preliminary sget() call was performed, and the nilfs object was acquired from a super block instance found by the sget() call. This patch, instead, instroduces a new dedicated function find_or_create_nilfs(); as the name implies, the function finds an existent nilfs object from a global list or creates a new one if no object is found on the device. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12nilfs2: remove meaningless EBUSY case from nilfs_get_sb functionRyusuke Konishi1-2/+0
The following EBUSY case in nilfs_get_sb() is meaningless. Indeed, this error code is never returned to the caller. if (!s->s_root) { ... } else if (!(s->s_flags & MS_RDONLY)) { err = -EBUSY; } This simply removes the else case. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12remove the call to ->write_super in __sync_filesystemChristoph Hellwig1-2/+0
Now that all filesystems provide ->sync_fs methods we can change __sync_filesystem to only call ->sync_fs. This gives us a clear separation between periodic writeouts which are driven by ->write_super and data integrity syncs that go through ->sync_fs. (modulo file_fsync which is also going away) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12nilfs2: call nilfs2_write_super from nilfs2_sync_fsChristoph Hellwig1-0/+2
The call to ->write_super from __sync_filesystem will go away, so make sure nilfs2 performs the same actions from inside ->sync_fs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12jffs2: call jffs2_write_super from jffs2_sync_fsChristoph Hellwig1-0/+2
The call to ->write_super from __sync_filesystem will go away, so make sure jffs2 performs the same actions from inside ->sync_fs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12ufs: add ->sync_fsChristoph Hellwig1-10/+22
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12sysv: add ->sync_fsChristoph Hellwig1-6/+13
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12hfsplus: add ->sync_fsChristoph Hellwig1-5/+11
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12hfs: add ->sync_fsChristoph Hellwig1-0/+11
Add a ->sync_fs method for data integrity syncs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12fat: add ->sync_fsChristoph Hellwig1-0/+11
Add a ->sync_fs method for data integrity syncs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12ext2: add ->sync_fsChristoph Hellwig1-14/+27
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12exofs: add ->sync_fsChristoph Hellwig1-3/+13
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12bfs: add ->sync_fsChristoph Hellwig1-11/+21
Add a ->sync_fs method for data integrity syncs, and reimplement ->write_super ontop of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12affs: add ->sync_fsChristoph Hellwig1-13/+27
Add a ->sync_fs method for data integrity syncs. Factor out common code between affs_put_super, affs_write_super and the new affs_sync_fs into a helper. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12sanitize ->fsync() for affsAl Viro3-2/+15
unfortunately, for affs (especially for affs directories) we have no real way to keep track of metadata ownership. So we have to do more or less what file_fsync() does, but we do *not* need to call write_super() there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12repair bfs_write_inode(), switch bfs to simple_fsync()Al Viro2-7/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12Fix adfs GET_FRAG_ID() on big-endianAl Viro1-1/+1
Missing conversion to host-endian before doing shifts Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12repair adfs ->write_inode(), switch to simple_fsync()Al Viro6-6/+48
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-12switch omfs to simple_fsync()Al Viro1-16/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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