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2010-08-02cifs: ignore the "mand", "nomand" and "_netdev" mount optionsJeff Layton1-0/+6
These are all handled by the userspace mount programs, but older versions of mount.cifs also handed them off to the kernel. Ignore them. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: map NT_STATUS_ERROR_WRITE_PROTECTED to -EROFSJeff Layton2-0/+2
Seems like a more sensible mapping than -EIO. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: don't allow cifs_iget to match inodes of the wrong typeJeff Layton1-0/+5
If the type is different from what we think it should be, then don't match the existing inode. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02[CIFS] relinquish fscache cookie before freeing CIFSTconInfoSteve French1-1/+1
Doh, fix a use after free bug. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Reviewed-and-Tested-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: add separate cred_uid field to sesInfoJeff Layton3-3/+10
Right now, there's no clear separation between the uid that owns the credentials used to do the mount and the overriding owner of the files on that mount. Add a separate cred_uid field that is set to the real uid of the mount user. Unlike the linux_uid, the uid= option does not override this parameter. The parm is sent to cifs.upcall, which can then preferentially use the creduid= parm instead of the uid= parm for finding credentials. This is not the only way to solve this. We could try to do all of this in kernel instead by having a module parameter that affects what gets passed in the uid= field of the upcall. That said, we have a lot more flexibility to change things in userspace so I think it probably makes sense to do it this way. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02fs: cifs: check kmalloc() resultKulikov Vasiliy1-0/+5
If kmalloc() fails exit with -ENOMEM. Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02[CIFS] Missing ifdefSteve French1-0/+4
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02[CIFS] Missing line from previous commitSteve French1-3/+3
CC: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02[CIFS] Fix build break when CONFIG_CIFS_FSCACHE disabledSteve French2-2/+2
CC: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: add mount option to enable local cachingSuresh Jayaraman2-0/+9
Add a mount option 'fsc' to enable local caching on CIFS. I considered adding a separate debug bit for caching, but it appears that debugging would be relatively easier with the normal CIFS_INFO level. As the cifs-utils (userspace) changes are not done yet, this patch enables 'fsc' by default to enable testing. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: read pages from FS-CacheSuresh Jayaraman3-1/+129
Read pages from a FS-Cache data storage object into a CIFS inode. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: store pages into local cacheSuresh Jayaraman3-0/+29
Store pages from an CIFS inode into the data storage object associated with that inode. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: FS-Cache page managementSuresh Jayaraman4-0/+93
Takes care of invalidation and release of FS-Cache marked pages and also invalidation of the FsCache page flag when the inode is removed. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: define inode-level cache object and register themSuresh Jayaraman7-0/+183
Define inode-level data storage objects (managed by cifsInodeInfo structs). Each inode-level object is created in a super-block level object and is itself a data storage object in to which pages from the inode are stored. The inode object is keyed by UniqueId. The coherency data being used is LastWriteTime, LastChangeTime and end of file reported by the server. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: define superblock-level cache index objects and register themSuresh Jayaraman6-0/+142
Define superblock-level cache index objects (managed by cifsTconInfo structs). Each superblock object is created in a server-level index object and in itself an index into which inode-level objects are inserted. The superblock object is keyed by sharename. The UniqueId/IndexNumber is used to validate that the exported share is the same since we accessed it last time. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: remove unused cifsUidInfo structJeff Layton1-16/+0
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: clean up cifs_find_smb_ses (try #2)Jeff Layton2-9/+19
This patch replaces the earlier patch by the same name. The only difference is that MAX_PASSWORD_SIZE has been increased to attempt to match the limits that windows enforces. Do a better job of matching sessions by authtype. Matching by username for a Kerberos session is incorrect, and anonymous sessions need special handling. Also, in the case where we do match by username, we also need to match by password. That ensures that someone else doesn't "borrow" an existing session without needing to know the password. Finally, passwords can be longer than 16 bytes. Bump MAX_PASSWORD_SIZE to 512 to match the size that the userspace mount helper allows. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: match secType when searching for existing tcp sessionJeff Layton2-4/+54
The secType is a per-tcp session entity, but the current routine doesn't verify that it is acceptible when attempting to match an existing TCP session. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: move address comparison into separate functionJeff Layton1-37/+36
Move the address comparator out of cifs_find_tcp_session and into a separate function for cleanliness. Also change the argument to that function to a "struct sockaddr" pointer. Passing pointers to sockaddr_storage is a little odd since that struct is generally for declaring static storage. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: set the port in sockaddr in a more clearly defined fashionJeff Layton4-10/+31
This patch should replace the patch I sent a couple of weeks ago to set the port in cifs_convert_address. Currently we set this in cifs_find_tcp_session, but that's more of a side effect than anything. Add a new function called cifs_fill_sockaddr. Have it call cifs_convert_address and then set the port. This also allows us to skip passing in the port as a separate parm to cifs_find_tcp_session. Also, change cifs_convert_address take a struct sockaddr * rather than void * to make it clearer how this function should be called. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: define server-level cache index objects and register themSuresh Jayaraman6-1/+126
Define server-level cache index objects (as managed by TCP_ServerInfo structs) and register then with FS-Cache. Each server object is created in the CIFS top-level index object and is itself an index into which superblock-level objects are inserted. The server objects are now keyed by {IPaddress,family,port} tuple. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: register CIFS for cachingSuresh Jayaraman4-0/+95
Define CIFS for FS-Cache and register for caching. Upon registration the top-level index object cookie will be stuck to the netfs definition by FS-Cache. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02fs/cifs: Remove unnecessary casts of private_dataJoe Perches3-18/+13
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: add kernel config option for CIFS Client caching supportSuresh Jayaraman1-0/+9
Add a kernel config option to enable local caching for CIFS. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: remove unused ip_address field in struct TCP_Server_InfoSuresh Jayaraman1-1/+0
The ip_address field is not used and seems redundant as there is union addr already and I don't see any future use as well. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: remove an potentially confusing, obsolete commentSuresh Jayaraman1-6/+0
The recent commit 6ca9f3bae8b1854794dfa63cdd3b88b7dfe24c13 modified the code so that filp is full instantiated whenever the file is created and passed back. The below comment is no longer true, remove it. Cc: Jeff Layton <jlayton@redhat.com> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-02cifs: guard cifsglob.h against multiple inclusionSuresh Jayaraman1-0/+5
Add conditional compile macros to guard the header file against multiple inclusion. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-01Linux 2.6.35v2.6.35Linus Torvalds1-1/+1
2010-08-01NFS: Fix a typo in include/linux/nfs_fs.hTrond Myklebust2-5/+6
nfs_commit_inode() needs to be defined irrespectively of whether or not we are supporting NFSv3 and NFSv4. Allow the compiler to optimise away code in the NFSv2-only case by converting it into an inlined stub function. Reported-and-tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-30Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds11-49/+75
* master.kernel.org:/home/rmk/linux-2.6-arm: cyber2000fb: fix console in truecolor modes cyber2000fb: fix machine hang on module load SA1111: Eliminate use after free ARM: Fix Versatile/Realview/VExpress MMC card detection sense ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt ARM: Add barriers to io{read,write}{8,16,32} accessors as well ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE ARM: 6272/1: Convert L2x0 to use the IO relaxed operations ARM: 6271/1: Introduce *_relaxed() I/O accessors ARM: 6275/1: ux500: don't use writeb() in uncompress.h ARM: 6270/1: clean files in arch/arm/boot/compressed/ ARM: Fix csum_partial_copy_from_user()
2010-07-30Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds4-11/+32
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: Ensure that writepage respects the nonblock flag NFS: kswapd must not block in nfs_release_page nfs: include space for the NUL in root path
2010-07-30Merge branch 'drm-fixes' of ↵Linus Torvalds2-2/+3
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/edid: Fix the HDTV hack sync adjustment drm/radeon/kms: fix radeon mid power profile reporting
2010-07-30mm: fix ia64 crash when gcore reads gate areaHugh Dickins1-3/+13
Debian's ia64 autobuilders have been seeing kernel freeze or reboot when running the gdb testsuite (Debian bug 588574): dannf bisected to 2.6.32 62eede62dafb4a6633eae7ffbeb34c60dba5e7b1 "mm: ZERO_PAGE without PTE_SPECIAL"; and reproduced it with gdb's gcore on a simple target. I'd missed updating the gate_vma handling in __get_user_pages(): that happens to use vm_normal_page() (nowadays failing on the zero page), yet reported success even when it failed to get a page - boom when access_process_vm() tried to copy that to its intermediate buffer. Fix this, resisting cleanups: in particular, leave it for now reporting success when not asked to get any pages - very probably safe to change, but let's not risk it without testing exposure. Why did ia64 crash with 16kB pages, but succeed with 64kB pages? Because setup_gate() pads each 64kB of its gate area with zero pages. Reported-by: Andreas Barth <aba@not.so.argh.org> Bisected-by: dann frazier <dannf@debian.org> Signed-off-by: Hugh Dickins <hughd@google.com> Tested-by: dann frazier <dannf@dannf.org> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-30CIFS: Remove __exit mark from cifs_exit_dns_resolver()David Howells2-2/+2
Remove the __exit mark from cifs_exit_dns_resolver() as it's called by the module init routine in case of error, and so may have been discarded during linkage. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-30cyber2000fb: fix console in truecolor modesOndrej Zary1-0/+1
Return value was not set to 0 in setcolreg() with truecolor modes. This causes fb_set_cmap() to abort after first color, resulting in blank palette - and blank console in 24bpp and 32bpp modes. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30cyber2000fb: fix machine hang on module loadOndrej Zary1-0/+2
I was testing two CyberPro 2000 based PCI cards on x86 and the machine always hanged completely when the cyber2000fb module was loaded. It seems that the card hangs when some registers are accessed too quickly after writing RAMDAC control register. With this patch, both card work. Add delay after RAMDAC control register write to prevent hangs on module load. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30SA1111: Eliminate use after freeJulia Lawall1-3/+2
__sa1111_remove always frees its argument, so the subsequent reference to sachip->saved_state represents a use after free. __sa1111_remove does not appear to use the saved_state field, so the patch simply frees it first. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression E,E2; @@ __sa1111_remove(E) ... ( E = E2 | * E ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30ARM: Fix Versatile/Realview/VExpress MMC card detection senseRussell King3-4/+8
The MMC card detection sense has become really confused with negations at various levels, leading to some platforms not detecting inserted cards. Fix this by converting everything to positive logic throughout, thereby getting rid of these negations. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_viptGary King1-5/+8
smp_processor_id() must not be called from a preemptible context (this is checked by CONFIG_DEBUG_PREEMPT). kmap_high_l1_vipt() was doing so. This lead to a problem where the wrong per_cpu kmap_high_l1_vipt_depth could be incremented, causing a BUG_ON(*depth <= 0); in kunmap_high_l1_vipt(). The solution is to move the call to smp_processor_id() after the call to preempt_disable(). Originally by: Andrew Howe <ahowe@nvidia.com> Signed-off-by: Gary King <gking@nvidia.com> Acked-by: Nicolas Pitre <nico.as.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30NFS: Ensure that writepage respects the nonblock flagTrond Myklebust1-6/+17
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-07-30NFS: kswapd must not block in nfs_release_pageTrond Myklebust3-4/+14
See https://bugzilla.kernel.org/show_bug.cgi?id=16056 If other processes are blocked waiting for kswapd to free up some memory so that they can make progress, then we cannot allow kswapd to block on those processes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
2010-07-30nfs: include space for the NUL in root pathDan Carpenter1-1/+1
In root_nfs_name() it does the following: if (strlen(buf) + strlen(cp) > NFS_MAXPATHLEN) { printk(KERN_ERR "Root-NFS: Pathname for remote directory too long.\n"); return -1; } sprintf(nfs_export_path, buf, cp); In the original code if (strlen(buf) + strlen(cp) == NFS_MAXPATHLEN) then the sprintf() would lead to an overflow. Generally the rest of the code assumes that the path can have NFS_MAXPATHLEN (1024) characters and a NUL terminator so the fix is to add space to the nfs_export_path[] buffer. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-07-29Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds3-10/+32
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] etr: fix clock synchronization race [S390] Fix IRQ tracing in case of PER
2010-07-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds1-0/+2
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: watchdog: update MAINTAINERS entry
2010-07-29Merge branch 'fix/hda' of ↵Linus Torvalds3-20/+58
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Add a PC-beep workaround for ASUS P5-V ALSA: hda - Assume PC-beep as default for Realtek ALSA: hda - Don't register beep input device when no beep is available ALSA: hda - Fix pin-detection of Nvidia HDMI
2010-07-29CRED: Fix __task_cred()'s lockdep check and banner commentDavid Howells3-5/+14
Fix __task_cred()'s lockdep check by removing the following validation condition: lockdep_tasklist_lock_is_held() as commit_creds() does not take the tasklist_lock, and nor do most of the functions that call it, so this check is pointless and it can prevent detection of the RCU lock not being held if the tasklist_lock is held. Instead, add the following validation condition: task->exit_state >= 0 to permit the access if the target task is dead and therefore unable to change its own credentials. Fix __task_cred()'s comment to: (1) discard the bit that says that the caller must prevent the target task from being deleted. That shouldn't need saying. (2) Add a comment indicating the result of __task_cred() should not be passed directly to get_cred(), but rather than get_task_cred() should be used instead. Also put a note into the documentation to enforce this point there too. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-29CRED: Fix get_task_cred() and task_state() to not resurrect dead credentialsDavid Howells3-21/+27
It's possible for get_task_cred() as it currently stands to 'corrupt' a set of credentials by incrementing their usage count after their replacement by the task being accessed. What happens is that get_task_cred() can race with commit_creds(): TASK_1 TASK_2 RCU_CLEANER -->get_task_cred(TASK_2) rcu_read_lock() __cred = __task_cred(TASK_2) -->commit_creds() old_cred = TASK_2->real_cred TASK_2->real_cred = ... put_cred(old_cred) call_rcu(old_cred) [__cred->usage == 0] get_cred(__cred) [__cred->usage == 1] rcu_read_unlock() -->put_cred_rcu() [__cred->usage == 1] panic() However, since a tasks credentials are generally not changed very often, we can reasonably make use of a loop involving reading the creds pointer and using atomic_inc_not_zero() to attempt to increment it if it hasn't already hit zero. If successful, we can safely return the credentials in the knowledge that, even if the task we're accessing has released them, they haven't gone to the RCU cleanup code. We then change task_state() in procfs to use get_task_cred() rather than calling get_cred() on the result of __task_cred(), as that suffers from the same problem. Without this change, a BUG_ON in __put_cred() or in put_cred_rcu() can be tripped when it is noticed that the usage count is not zero as it ought to be, for example: kernel BUG at kernel/cred.c:168! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/kernel/mm/ksm/run CPU 0 Pid: 2436, comm: master Not tainted 2.6.33.3-85.fc13.x86_64 #1 0HR330/OptiPlex 745 RIP: 0010:[<ffffffff81069881>] [<ffffffff81069881>] __put_cred+0xc/0x45 RSP: 0018:ffff88019e7e9eb8 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff880161514480 RCX: 00000000ffffffff RDX: 00000000ffffffff RSI: ffff880140c690c0 RDI: ffff880140c690c0 RBP: ffff88019e7e9eb8 R08: 00000000000000d0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000040 R12: ffff880140c690c0 R13: ffff88019e77aea0 R14: 00007fff336b0a5c R15: 0000000000000001 FS: 00007f12f50d97c0(0000) GS:ffff880007400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f461bc000 CR3: 00000001b26ce000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process master (pid: 2436, threadinfo ffff88019e7e8000, task ffff88019e77aea0) Stack: ffff88019e7e9ec8 ffffffff810698cd ffff88019e7e9ef8 ffffffff81069b45 <0> ffff880161514180 ffff880161514480 ffff880161514180 0000000000000000 <0> ffff88019e7e9f28 ffffffff8106aace 0000000000000001 0000000000000246 Call Trace: [<ffffffff810698cd>] put_cred+0x13/0x15 [<ffffffff81069b45>] commit_creds+0x16b/0x175 [<ffffffff8106aace>] set_current_groups+0x47/0x4e [<ffffffff8106ac89>] sys_setgroups+0xf6/0x105 [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b Code: 48 8d 71 ff e8 7e 4e 15 00 85 c0 78 0b 8b 75 ec 48 89 df e8 ef 4a 15 00 48 83 c4 18 5b c9 c3 55 8b 07 8b 07 48 89 e5 85 c0 74 04 <0f> 0b eb fe 65 48 8b 04 25 00 cc 00 00 48 3b b8 58 04 00 00 75 RIP [<ffffffff81069881>] __put_cred+0xc/0x45 RSP <ffff88019e7e9eb8> ---[ end trace df391256a100ebdd ]--- Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-29watchdog: update MAINTAINERS entryWim Van Sebroeck1-0/+2
Add Mailing-list and website to watchdog MAINTAINERS entry. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-07-29ALSA: hda - Add a PC-beep workaround for ASUS P5-VTakashi Iwai1-8/+24
ASUS P5-V provides a SSID that unexpectedly matches with the value compilant with Realtek's specification. Thus the driver interprets it badly, resulting in non-working PC beep. This patch adds a white-list for such a case; a white-list of known devices with working PC beep. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-07-29ARM: Add barriers to io{read,write}{8,16,32} accessors as wellRussell King1-20/+18
The ioread/iowrite accessors also need barriers as they're used in place of readl/writel et.al. in portable drivers. Create __iormb() and __iowmb() which are conditionally defined to be barriers dependent on ARM_DMA_MEM_BUFFERABLE, and always use these macros in the accessors. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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