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2007-07-16Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SERIAL] SUNHV: Fix jerky console on LDOM guests. [SPARC64]: Fix race between MD update and dr-cpu add. [SPARC64]: SMP build fix.
2007-07-16[HRTIMER] Fix cpu pointer arg to clockevents_notify()David Miller
All of the clockevent notifiers expect a pointer to an "unsigned int" cpu argument, but hrtimer_cpu_notify() passes in a pointer to a long. [ Discussed with and ok by Thomas Gleixner ] Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16[SERIAL] SUNHV: Fix jerky console on LDOM guests.David S. Miller
Mixing putchar() and write() hvcalls does not work %100 correctly. But we should be using write() all the time if we can, even from ->start_tx(), anyways. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-16[SPARC64]: Fix race between MD update and dr-cpu add.David S. Miller
We need to make sure the MD update occurs before we try to process dr-cpu configure requests. MD update and dr-cpu were being processed by seperate threads so that did not happen occaisionally. Fix this by executing all domain services data packets from a single thread, in order. This will help simplify some other things as well. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-16[SPARC64]: SMP build fix.Fabio Massimo Di Nitto
The UP build fix had some unintended consequences. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-16Make BLK_DEV_BSG depend strictly on SCSI=yLinus Torvalds
The SCSI code can be compiled modular, but BLK_DEV_BSG currently cannot, and depends on the SCSI layer. So make sure that it depends on the SCSI layer being compiled in, not just available as a module. Noticed by Jeff Garzik and S.Çağlar Onur. Cc: Jeff Garzik <jeff@garzik.org> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: S.Çağlar Onur <caglar@pardus.org.tr> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Make check_signature depend on CONFIG_HAS_IOMEMLinus Torvalds
This should avoid build problems on architectures without a "readb()", that got bitten by check_signature() being uninlined. Noted by Heiko Carstens. Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Revert "[NET]: Fix races in net_rx_action vs netpoll."Linus Torvalds
This reverts commit 29578624e354f56143d92510fff33a8b2aaa2c03. Ingo Molnar reports complete breakage with his e1000 card (no networking, card reports transmit timeouts), and bisected it down to this commit. Let's figure out what went wrong, but not keep breaking machines until we do. Cc: Ingo Molnar <mingo@elte.hu> Cc: Olaf Kirch <olaf.kirch@oracle.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Merge branch 'drm-patches' of ↵Linus Torvalds
ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-patches' of ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: remove core typedefs from the ioc32 wrappers drm: remove sarea typedefs drm: detypedef the hashtab and more of sman drm: de-typedef sman drm: detypedeffing continues... drm: detypef waitlist/freelist/buf_entry/device_dma/drm_queue structs drm: drop drm_vma_entry_t, drm_magic_entry_t drm: drop drm_buf_t typedef drm: fixup other drivers for typedef removals drm: remove drm_file_t, drm_device_t and drm_head_t typedefs drm: remove a bunch of typedefs on the userspace interface r300: updates register header radeon: add support for vblank on crtc2 drm: cleanup list initialisation drm: fix typo on code drm getsarea drm: remove DRM_GETSAREA and replace with drm_getsarea function drm: cleanup use of Linux list handling macros
2007-07-16utime(s): Honour CAP_FOWNER when times==NULLSatyam Sharma
do_utimes() does not honour CAP_FOWNER when times==NULL. Trivial and obvious one-line fix. Signed-off-by: Satyam Sharma <ssatyam@cse.iitk.ac.in> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Fix too few arguments to function `scsi_cmd_ioctl'S.Çağlar Onur
This corrects the following compile error introduced by the merge of the new bsg layer in commit e245befce7af0a1e1347079ed62695b059594bd4: caglar@zangetsu linux-2.6 $ make CHK include/linux/version.h CHK include/linux/utsrelease.h CALL scripts/checksyscalls.sh CHK include/linux/compile.h LD drivers/block/built-in.o CC [M] drivers/block/cciss.o drivers/block/cciss.c: In function `cciss_ioctl': drivers/block/cciss.c:1173: warning: passing arg 2 of `scsi_cmd_ioctl' from incompatible pointer type drivers/block/cciss.c:1173: warning: passing arg 3 of `scsi_cmd_ioctl' makes pointer from integer without a cast drivers/block/cciss.c:1173: warning: passing arg 4 of `scsi_cmd_ioctl' makes integer from pointer without a cast drivers/block/cciss.c:1173: error: too few arguments to function `scsi_cmd_ioctl' ... make[2]: *** [drivers/block/cciss.o] Hata 1 make[1]: *** [drivers/block] Hata 2 make: *** [drivers] Hata 2 Signed-off-by: S.Çağlar Onur <caglar@pardus.org.tr> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Fix LDM for new field in the VOL5 VBLK.Anton Altaparmakov
Teach LDM about a new field encountered with Windows Vista. This fixes LDM for people using Vista who have disabled drive letter assignment from one or more volumes. Doing this introduces a so far unknown field in the LDM database in the VOL5 VBLK structure which causes the LDM driver to fail to parse the VBLK structure and hence LDM fails to parse the disk altogether. This patch teaches the driver about this field. Thanks got to Ashton Mills <amills@iinet.com.au> for reporting the problem and working with me on getting it fixed. It is now working for him. Signed-off-by: Anton Altaparmakov <aia21@cantab.net> CC: Richard Russon <ldm@flatcap.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Remove duplicate comments from sysctl.cLinus Torvalds
Randy Dunlap noticed that the recent comment clarifications from Andrew had somehow gotten duplicated. Quoth Andrew: "hm, that could have been some late-night reject-fixing." Fix it up. Cc: From: Andrew Morton <akpm@linux-foundation.org> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Fix new generic block device SG compileLinus Torvalds
We had a merge issue with the "dentry" field going away from the kobject, and being replaced by a sysfs_dirent field (named "sd") instead. That broke the BSG compile. Cc: Jens Axboe <jens.axboe@oracle.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: [PATCH] sched: fix up fs/proc/array.c whitespace problems [PATCH] sched: prettify prio_to_wmult[] [PATCH] sched: document prio_to_wmult[] [PATCH] sched: improve weight-array comments [PATCH] sched: remove dead code from task_stime() Fixed up trivial conflict in fs/proc/array.c
2007-07-16Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: (32 commits) [PATCH] ocfs2: zero_user_page conversion ocfs2: Support xfs style space reservation ioctls ocfs2: support for removing file regions ocfs2: update truncate handling of partial clusters ocfs2: btree support for removal of arbirtrary extents ocfs2: Support creation of unwritten extents ocfs2: support writing of unwritten extents ocfs2: small cleanup of ocfs2_write_begin_nolock() ocfs2: btree changes for unwritten extents ocfs2: abstract btree growing calls ocfs2: use all extent block suballocators ocfs2: plug truncate into cached dealloc routines ocfs2: simplify deallocation locking ocfs2: harden buffer check during mapping of page blocks ocfs2: shared writeable mmap ocfs2: factor out write aops into nolock variants ocfs2: rework ocfs2_buffered_write_cluster() ocfs2: take ip_alloc_sem during entire truncate ocfs2: Add "preferred slot" mount option [KJ PATCH] Replacing memset(<addr>,0,PAGE_SIZE) with clear_page() in fs/ocfs2/dlm/dlmrecovery.c ...
2007-07-16Merge branch 'bsg' of git://git.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'bsg' of git://git.kernel.dk/data/git/linux-2.6-block: (25 commits) bsg: Kconfig updates bsg: add SCSI transport-level request support bsg: add bidi support add a struct request pointer to the request structure bsg: fix the deadlock on discarding done commands bsg: fix a blocking read bug bsg: minor bug fixes improve bsg device allocation bind bsg to all SCSI devices bsg: bind bsg to request_queue instead of gendisk bsg: add a request_queue argument to scsi_cmd_ioctl() bsg: simplify __bsg_alloc_command failpath bsg: add cheasy error checks for sysfs stuff Add queue resizing support Replace s32, u32 and u64 with __s32, __u32 and __u64 in bsg.h for userspace bsg: silence a bogus gcc warning bsg: style cleanup bsg: use u32 etc instead of uint32_t bsg: add SG_IO to SG v4 bsg: replace SG v3 with SG v4 ...
2007-07-16Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block: splice: direct splicing updates ppos twice more ACSI removal umem: Fix match of pci_ids in umem driver umem: Remove references to dead CONFIG_MM_MAP_MEMORY variable remove the documentation for the legacy CDROM drivers
2007-07-16Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (26 commits) [SPARC64]: Fix UP build. [SPARC64]: dr-cpu unconfigure support. [SERIAL]: Fix console write locking in sparc drivers. [SPARC64]: Give more accurate errors in dr_cpu_configure(). [SPARC64]: Clear cpu_{core,sibling}_map[] in smp_fill_in_sib_core_maps() [SPARC64]: Fix leak when DR added cpu does not bootup. [SPARC64]: Add ->set_affinity IRQ handlers. [SPARC64]: Process dr-cpu events in a kthread instead of workqueue. [SPARC64]: More sensible udelay implementation. [SPARC64]: SMP build fixes. [SPARC64]: mdesc.c needs linux/mm.h [SPARC64]: Fix build regressions added by dr-cpu changes. [SPARC64]: Unconditionally register vio_bus_type. [SPARC64]: Initial LDOM cpu hotplug support. [SPARC64]: Fix setting of variables in LDOM guest. [SPARC64]: Fix MD property lifetime bugs. [SPARC64]: Abstract out mdesc accesses for better MD update handling. [SPARC64]: Use more mearningful names for IRQ registry. [SPARC64]: Initial domain-services driver. [SPARC64]: Export powerd facilities for external entities. ...
2007-07-16Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (68 commits) sh: sh-rtc support for SH7709. sh: Revert __xdiv64_32 size change. sh: Update r7785rp defconfig. sh: Export div symbols for GCC 4.2 and ST GCC. sh: fix race in parallel out-of-tree build sh: Kill off dead mach.c for hp6xx. sh: hd64461.h cleanup and added comments. sh: Update the alignment when 4K stacks are used. sh: Add a .bss.page_aligned section for 4K stacks. sh: Don't let SH-4A clobber SH-4 CFLAGS. sh: Add parport stub for SuperIO ports. sh: Drop -Wa,-dsp for DSP tuning. sh: Update dreamcast defconfig. fb: pvr2fb: A few more __devinit annotations for PCI. fb: pvr2fb: Fix up section mismatch warnings. sh: Select IPR-IRQ for SH7091. sh: Correct __xdiv64_32/div64_32 return value size. sh: Fix timer-tmu build for SH-3. sh: Add cpu and mach links to CLEAN_FILES. sh: Preliminary support for the SH-X3 CPU. ...
2007-07-16fat: Fix the race of read/write the FAT12 entryOGAWA Hirofumi
FAT12 entry is 12bits, so it needs 2 phase to update the value. And writer and reader access it without any lock, so reader can get the half updated value. This fixes the long standing race condition by adding a global spinlock to only FAT12 for avoiding any impact against FAT16/32. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16cpwatchdog build fixAndrew Morton
sparc64: drivers/sbus/char/cpwatchdog.c: In function `wd_toggleintr': drivers/sbus/char/cpwatchdog.c:523: error: implicit declaration of function `readb' drivers/sbus/char/cpwatchdog.c:533: error: implicit declaration of function `writeb' drivers/sbus/char/cpwatchdog.c: In function `wd_pingtimer': drivers/sbus/char/cpwatchdog.c:545: error: implicit declaration of function `readw' drivers/sbus/char/cpwatchdog.c: In function `wd_starttimer': drivers/sbus/char/cpwatchdog.c:584: error: implicit declaration of function `writew' drivers/sbus/char/cpwatchdog.c: In function `wd_init': drivers/sbus/char/cpwatchdog.c:767: error: implicit declaration of function `ioremap' drivers/sbus/char/cpwatchdog.c:767: warning: assignment makes pointer from integer without a cast drivers/sbus/char/cpwatchdog.c: In function `wd_cleanup': drivers/sbus/char/cpwatchdog.c:849: error: implicit declaration of function `iounmap' Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16sn_console section mismatch warningJes Sorensen
Do not mark sn_sal_console_setup as __init since it's referenced from non init data structures. Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16compat32: ignore the LOOP_CLR_FD ioctlGeert Uytterhoeven
compat32: Ignore the LOOP_CLR_FD ioctl for the loop block device, to kill an annoying kernel message when e.g. busybox umount is used. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16NLS: Remove obsolete Makefile entriesRobert P. J. Day
Since the corresponding source files no longer exist, remove the irrelevant Makefile entries for them. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16permit mempool_free(NULL)Rusty Russell
Christian Borntraeger points out that mempool_free() doesn't noop when handed NULL. This is inconsistent with the other free-like functions in the kernel. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16ext4: statfs speed upBadari Pulavarty
This is a patch that speeds up statfs. It is very simple - the "overhead" calculation, which takes a huge amount of time for large filesystems, never changes unless the size of the filesystem itself changes. That means we can store it in memory and only recalculate if the filesystem has been resized (almost never). It also fixes a minor problem that we never update the on-disk superblock free blocks/inodes counts until the filesystem is unmounted. While not fatal, we may as well update that on disk when we have the information, and it makes things like debugfs and dumpe2fs report a bit more accurate info. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andreas Dilger <adilger@clusterfs.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16ext3: statfs speed upBadari Pulavarty
This is a patch that speeds up statfs. It is very simple - the "overhead" calculation, which takes a huge amount of time for large filesystems, never changes unless the size of the filesystem itself changes. That means we can store it in memory and only recalculate if the filesystem has been resized (almost never). It also fixes a minor problem that we never update the on-disk superblock free blocks/inodes counts until the filesystem is unmounted. While not fatal, we may as well update that on disk when we have the information, and it makes things like debugfs and dumpe2fs report a bit more accurate info. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andreas Dilger <adilger@clusterfs.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16ext2: statfs speed upBadari Pulavarty
This is a patch that speeds up statfs. It is very simple - the "overhead" calculation, which takes a huge amount of time for large filesystems, never changes unless the size of the filesystem itself changes. That means we can store it in memory and only recalculate if the filesystem has been resized (almost never). It also fixes a minor problem that we never update the on-disk superblock free blocks/inodes counts until the filesystem is unmounted. While not fatal, we may as well update that on disk when we have the information, and it makes things like debugfs and dumpe2fs report a bit more accurate info. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andreas Dilger <adilger@clusterfs.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16drivers/char/ipmi/ipmi_si_intf.c: lower printk severityDan Aloni
Signed-off-by: Dan Aloni <da-x@monatomic.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16drivers/char/ipmi/ipmi_poweroff.c: lower printk severityDan Aloni
Signed-off-by: Dan Aloni <da-x@monatomic.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16vsprintf.c: optimizing, part 2: base 10 conversion speedup, v2Denis Vlasenko
Optimize integer-to-string conversion in vsprintf.c for base 10. This is by far the most used conversion, and in some use cases it impacts performance. For example, top reads /proc/$PID/stat for every process, and with 4000 processes decimal conversion alone takes noticeable time. Using code from http://www.cs.uiowa.edu/~jones/bcd/decimal.html (with permission from the author, Douglas W. Jones) binary-to-decimal-string conversion is done in groups of five digits at once, using only additions/subtractions/shifts (with -O2; -Os throws in some multiply instructions). On i386 arch gcc 4.1.2 -O2 generates ~500 bytes of code. This patch is run tested. Userspace benchmark/test is also attached. I tested it on PIII and AMD64 and new code is generally ~2.5 times faster. On AMD64: # ./vsprintf_verify-O2 Original decimal conv: .......... 151 ns per iteration Patched decimal conv: .......... 62 ns per iteration Testing correctness 12895992590592 ok... [Ctrl-C] # ./vsprintf_verify-O2 Original decimal conv: .......... 151 ns per iteration Patched decimal conv: .......... 62 ns per iteration Testing correctness 26025406464 ok... [Ctrl-C] More realistic test: top from busybox project was modified to report how many us it took to scan /proc (this does not account any processing done after that, like sorting process list), and then I test it with 4000 processes: #!/bin/sh i=4000 while test $i != 0; do sleep 30 & let i-- done busybox top -b -n3 >/dev/null on unpatched kernel: top: 4120 processes took 102864 microseconds to scan top: 4120 processes took 91757 microseconds to scan top: 4120 processes took 92517 microseconds to scan top: 4120 processes took 92581 microseconds to scan on patched kernel: top: 4120 processes took 75460 microseconds to scan top: 4120 processes took 66451 microseconds to scan top: 4120 processes took 67267 microseconds to scan top: 4120 processes took 67618 microseconds to scan The speedup comes from much faster generation of /proc/PID/stat by sprintf() calls inside the kernel. Signed-off-by: Douglas W Jones <jones@cs.uiowa.edu> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16vsprintf.c: optimizing, part 1 (easy and obvious stuff)Denis Vlasenko
* There is no point in having full "0...9a...z" constant vector, if we use only "0...9a...f" (and "x" for "0x"). * Post-decrement usually needs a few more instructions, so use pre decrement instead where makes sense: -       while (i < precision--) { +       while (i <= --precision) { * if base != 10 (=> base 8 or 16), we can avoid using division in a loop and use mask/shift, obtaining much faster conversion. (More complex optimization for base 10 case is in the second patch). Overall, size vsprintf.o shows ~80 bytes smaller text section with this patch applied. Signed-off-by: Douglas W Jones <jones@cs.uiowa.edu> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16Fix trivial typos in anon_inodes.c commentsJ. Bruce Fields
Trivial typo and grammar fixes. Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu> Cc: Davide Libenzi <davidel@xmailserver.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16isapnp: remove pointless check of 'type' against 0 in isapnp_read_tag()Jesper Juhl
In drivers/pnp/isapnp/core.c::isapnp_read_tag() there is a test of 'type' being == 0 a bit down in the function. That test doesn't make any sense. If 'type' could indeed be NULL, then the test happens way too late as we'd already have tried to dereference the pointer earlier and looking at the callers it also turns out that there is no way type can ever actually be NULL. So the test is completely pointless and should just be removed. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16.gitignore updateAlexey Dobriyan
headers_install by default puts headers into usr/include/ . They're auto-generated, so should be ignored. Same for *.orig, *.rej . Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16remove mm/backing-dev.c:congestion_wait_interruptible()Adrian Bunk
congestion_wait_interruptible() is no longer used. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16kernel/printk.c: document possible deadlock against schedulerJiri Kosina
kernel/printk.c: document possible deadlock against scheduler The printk's comment states that it can be called from every context, which might lead to false illusion that it could be called from everywhere without any restrictions. This is however not true - a call to printk() could deadlock if called from scheduler code (namely from schedule(), wake_up(), etc) on runqueue lock when it tries to wake up klogd. Document this. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16docs: static initialization of spinlocks is OKEd L. Cashin
Static initialization of spinlocks is preferable to dynamic initialization when it is practical. This patch updates documentation for consistency with comments in spinlock_types.h. Signed-off-by: Ed L. Cashin <ecashin@coraid.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16serial: remove termios checks from various old char serial driversAlan Cox
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-1668360serial: remove broken optimisationAlan Cox
Remove the broken 'no termios change' optimisation for this driver. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Greg Ungerer <gerg@snapgear.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16synclink: remove bogus 'no change' termios optimisation from synclink driversAlan Cox
Again this check is wrong now, and un-needed Signed-off-by: Alan Cox <alan@redhat.com> Cc: Paul Fulghum <paulkf@microgate.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16genericserial: remove bogus optimisation check and dead code pathsAlan Cox
We've been using the 'new locking' for a long time now so it seems pointless keeping the old one around. Remove it and undo the macros it uses back into real code for readability. Remove the bogus 'no termios change' checks. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Morten Helgesen <morten@sourcepoet.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16amiserial: remove incorrect 'no termios change' checkAlan Cox
Lots of serial drivers check and optimise for setting the termios values to the ones they were before. This is pointless and the check is wrong anyway. Remove the checks on the serial drivers. If we ever do need such a check put it back in the tty layer instead _once_! Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16modules: remove modlist_lockRusty Russell
Now we always use stop_machine for module insertion or deletion, we no longer need the modlist_lock: merely disabling preemption is sufficient to block against list manipulation. This avoids deadlock on OOPSen where we can potentially grab the lock twice. Bug: 8695 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@elte.hu> Cc: Tobias Oed <tobiasoed@hotmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16ext4: fix error handling in ext4_create_journalBorislav Petkov
Fix error handling in ext4_create_journal according to kernel conventions. Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16ext3: fix error handling in ext3_create_journal()Borislav Petkov
Fix error handling in ext3_create_journal according to kernel conventions. Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16make cancel_xxx_work_sync() return a booleanOleg Nesterov
Change cancel_work_sync() and cancel_delayed_work_sync() to return a boolean indicating whether the work was actually cancelled. A zero return value means that the work was not pending/queued. Without that kind of change it is not possible to avoid flush_workqueue() sometimes, see the next patch as an example. Also, this patch unifies both functions and kills the (unlikely) busy-wait loop. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Jarek Poplawski <jarkao2@o2.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16rename cancel_rearming_delayed_work() to cancel_delayed_work_sync()Oleg Nesterov
Imho, the current naming of cancel_xxx workqueue functions is very confusing. cancel_delayed_work() cancel_rearming_delayed_work() cancel_rearming_delayed_workqueue() // obsolete cancel_work_sync() This looks as if the first 2 functions differ in "type" of their argument which is not true any longer, nowadays the difference is the behaviour. The semantics of cancel_rearming_delayed_work(dwork) was changed significantly, it doesn't require that dwork rearms itself, and cancels dwork synchronously. Rename it to cancel_delayed_work_sync(). This matches cancel_delayed_work() and cancel_work_sync(). Re-create cancel_rearming_delayed_work() as a simple inline obsolete wrapper, like cancel_rearming_delayed_workqueue(). Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Jarek Poplawski <jarkao2@o2.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16update Documentation/filesystems/vfs.txtBorislav Petkov
Update Documentation/filesystems/vfs.txt Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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