- 16 Jul, 2007 40 commits
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Andi Kleen authored
Not called by anything in tree. Signed-off-by:
Andi Kleen <ak@suse.de> Acked-by:
Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jean Delvare authored
Also remove needless casts. Signed-off-by:
Jean Delvare <khali@linux-fr.org> Acked-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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David Howells authored
Implement file locking for AFS. Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Jiri Slaby authored
Acked-by:
Paul Fulghum <paulkf@microgate.com> Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Paul Menage authored
cpuset.c:update_nodemask() uses a write_lock_irq() on tasklist_lock to block concurrent forks; a read_lock() suffices and is less intrusive. Signed-off-by: Paul Menage<menage@google.com> Acked-by:
Paul Jackson <pj@sgi.com> Signed-off-by:
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Ben Collins authored
We gets lots of these when the kernel is running on a hypervisor. Zach says "a guest kernel trying to get high frequency RTC will also be inaccurate, and inevitably will have unhidable interrupt lateness." Signed-off-by:
Ben Collins <bcollins@ubuntu.com> Signed-off-by:
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Ingo Molnar authored
Add the print-fatal-signals=1 boot option and the /proc/sys/kernel/print-fatal-signals runtime switch. This feature prints some minimal information about userspace segfaults to the kernel console. This is useful to find early bootup bugs where userspace debugging is very hard. Defaults to off. [akpm@linux-foundation.org: Don't add new sysctl numbers] Signed-off-by:
Arjan van de Ven <arjan@infradead.org> Signed-off-by:
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Changli Gao authored
Function proc_register() will assign proc_dir_operations and proc_dir_inode_operations to ent's members proc_fops and proc_iops correctly if ent is a directory. So the early assignment isn't necessary. Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Micah Cowan authored
Some users have been having problems with utilities like cp or dd dumping core when they try to copy a file that's too large for the destination filesystem (typically, > 4gb). Apparently, some defunct standards required SIGXFSZ to be sent in such circumstances, but SUS only requires/allows it for when a written file exceeds the process's resource limits. I'd like to limit SIGXFSZs to the bare minimum required by SUS. Patch sent per http://lkml.org/lkml/2007/4/10/302Signed-off-by:
Micah Cowan <micahcowan@ubuntu.com> Acked-by:
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Satyam Sharma authored
Check the return of mutex_lock_interruptible() in drivers/char/rocket.c and return ERESTARTSYS if we were interrupted. Signed-off-by:
Satyam Sharma <satyam.sharma@gmail.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Jan Kratochvil authored
This patch is using mmap()'s randomization functionality in such a way that it maps the main executable of (specially compiled/linked -pie/-fpie) ET_DYN binaries onto a random address (in cases in which mmap() is allowed to perform a randomization). Origin of this patch is in exec-shield (http://people.redhat.com/mingo/exec-shield/) [jkosina@suse.cz: pie randomization: fix BAD_ADDR macro] Signed-off-by:
Jan Kratochvil <honza@jikos.cz> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Cc: Ingo Molnar <mingo@elte.hu> Cc: Roland McGrath <roland@redhat.com> Cc: Jakub Jelinek <jakub@redhat.com> Signed-off-by:
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Stephen Rothwell authored
Make some offending drivers depend on it and set CONFIG_ARCH_NO_VIRT_TO_BUS for ppc64 so that we don't build those drivers. This gets PowerPC allmodconfig and allyesconfig much closer to building. Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Cc: Al Viro <viro@ftp.linux.org.uk> Acked-by:
David Miller <davem@davemloft.net> Signed-off-by:
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Andrew Morton authored
Fix these: sound/oss/mpu401.c: In function 'attach_mpu401': sound/oss/mpu401.c:1006: warning: cast to pointer from integer of different size sound/oss/mpu401.c:1115: warning: cast to pointer from integer of different size sound/oss/mpu401.c: In function 'unload_mpu401': sound/oss/mpu401.c:1230: warning: cast to pointer from integer of different size by making it implement the request_irq()/free_irq() cookies correctly. Cc: Jaroslav Kysela <perex@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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Dave Jones authored
fs/isofs/* had a bunch of CodingStyle issues. * Indentation was a mix of spaces and tabs * "int * foo" instead of "int *foo" * "while ( foo )" instead of "while (foo)" * if (foo) blah; on one line instead of two * Missing printk KERN_ levels * lots of trailing whitespace * lines >80 columns changed to wrap. * Unnecessary prototype removed by shuffling code order in C file. Should be no functional changes other than slight size increase due to printk changes. Further improvement possible, but this is a start.. Signed-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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Alan Cox authored
Signed-off-by:
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Thiemo Seufer authored
Update zilog timeout, thanks Peter Fuerst. Signed-off-by:
Thiemo Seufer <ths@networkno.de> Cc: Martin Michlmayr <tbm@cyrius.com> Cc: Peter Fuerst <pf@net.alphadv.de> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Denver Gingerich authored
warning: 'adfs_partition' defined but not used warning: 'riscix_partition' defined but not used warning: 'linux_partition' defined but not used Signed-off-by:
Denver Gingerich <denver@ossguy.com> Signed-off-by:
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Richard Knutsson authored
Remove defines of TRUE and FALSE * not used in the file * the file is not included somewhere else Signed-off-by:
Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by:
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Robert P. J. Day authored
Remove the obviously unnecessary includes of <linux/spinlock.h> under the include/linux/ directory, and fix the couple errors that are introduced as a result of that. Signed-off-by:
Robert P. J. Day <rpjday@mindspring.com> Signed-off-by:
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OGAWA Hirofumi authored
This patch fixes the following warnings. fs/fat/dir.c: In function 'fat_parse_long': include/linux/msdos_fs.h:294: warning: array subscript is above array bounds include/linux/msdos_fs.h:295: warning: array subscript is above array bounds include/linux/msdos_fs.h:295: warning: array subscript is above array bounds The ->name is defined as "name[8], ext[3]", but fat_checksum() uses those as name[11]. There is no actual problem, but it's not a good manner. Signed-off-by:
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by:
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Pavel Emelianov authored
This includes /proc/fs/nfsfs/servers and /proc/fs/nfsfs/volumes entries. Both need to show the header and use the list_head. Signed-off-by:
Pavel Emelianov <xemul@openvz.org> Acked-by:
Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by:
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Pavel Emelianov authored
One more simple and stupid switching to the new API. Signed-off-by:
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Pavel Emelianov authored
Simple and stupid like some previous ones. Just use new API. Signed-off-by:
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Pavel Emelianov authored
Here there is not need even in .show callback altering. The original code passes list_head in *v. Signed-off-by:
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Pavel Emelianov authored
Simple and stupid - just use the helpers. Signed-off-by:
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Pavel Emelianov authored
Simple and stupid - just use the same code from another place in the kernel. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Pavel Emelianov authored
These proc files show some header before dumping the list, so the seq_list_start_head() is used. Signed-off-by:
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Andrew Morton authored
Now that we have implemented hotunplug-time counter spilling, percpu_counter_sum() only needs to look at online CPUs. Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
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Andrew Morton authored
per-cpu counters presently must iterate over all possible CPUs in the exhaustive percpu_counter_sum(). But it can be much better to only iterate over the presently-online CPUs. To do this, we must arrange for an offlined CPU's count to be spilled into the counter's central count. We can do this for all percpu_counters in the machine by linking them into a single global list and walking that list at CPU_DEAD time. (I hope. Might have race windows in which the percpu_counter_sum() count is inaccurate?) Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
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Andrew Morton authored
gcc-4.3: fs/freevxfs/vxfs_lookup.c: In function 'vxfs_find_entry': fs/freevxfs/vxfs_lookup.c:139: warning: cast from pointer to integer of different size fs/freevxfs/vxfs_lookup.c: In function 'vxfs_readdir': fs/freevxfs/vxfs_lookup.c:294: warning: cast from pointer to integer of different size Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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Andrew Morton authored
gcc-4.3: fs/fuse/dir.c: In function 'parse_dirfile': fs/fuse/dir.c:833: warning: cast from pointer to integer of different size fs/fuse/dir.c:835: warning: cast from pointer to integer of different size [miklos@szeredi.hu: use offsetof] Acked-by:
Miklos Szeredi <miklos@szeredi.hu> Signed-off-by:
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Matthias Kaehlcke authored
The I2O driver uses two semaphores as mutexes. Use the mutex API instead of the (binary) semaphores. Signed-off-by:
Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by:
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Satoru Takeuchi authored
Fix ksoftirqd termination on cpu hotplug with naughty real time process. Assuming the following case: - Try to hot remove CPU2 from CPU1. - There is a real time process on CPU2, and that process doesn't sleep at all. - That rt process and ksoftirqd/2 is migrated to the CPU0 Then ksoftirqd/2 can't stop becasue that rt process runs everlastingly on CPU0, and CPU1 waiting the ksoftirqd/2's termination hangs up. To fix this problem, set the priority of ksoftirqd/2 to max one before kthread_stop(). [akpm@linux-foundation.org: fix warning] Signed-off-by:
Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@elte.hu> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by:
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Satoru Takeuchi authored
stop_machine_run() does its work on "kstopmachine" thread having max priority. However that thread get such priority after woken up. Therefore, in the following case ... - "kstopmachine" try to run on CPU1 - There is a real time process which doesn't relinquish CPU time voluntary on CPU1 ... "kstopmachine" can't start to run and the CPU on which stop_machine_run() is runing hangs up. To fix this problem, call sched_setscheduler() before waking up that thread. Signed-off-by: -
Cyrill Gorcunov authored
This patch adds checking for granted memory while filling up inode data to prevent possible NULL pointer usage. If there is not enough memory to fill inode data we just mark it as "bad". Also some whitespace cleanup. Signed-off-by:
Cyrill Gorcunov <gorcunov@gmail.com> Cc: Jan Kara <jack@ucw.cz> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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Alan Cox authored
Without this a tty write could block if a previous blocking tty write was in progress on the same tty and blocked by a line discipline or hardware event. Originally found and reported by Dave Johnson. Signed-off-by:
Dave Johnson <djohnson+linux-kernel@sw.starentnetworks.com> Signed-off-by:
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Cyrill Gorcunov authored
Add checking for granted memory for inode data at the moment of its creation. Signed-off-by:
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Tomas Janousek authored
Commit 411187fb caused uptime not to increase during suspend. This may cause confusion so I restore the old behaviour by using the boot based time instead of monotonic for uptime. Signed-off-by:
Tomas Janousek <tjanouse@redhat.com> Acked-by:
John Stultz <johnstul@us.ibm.com> Signed-off-by:
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Tomas Janousek authored
Commit 411187fb caused boot time to move and process start times to become invalid after suspend. Using boot based time for those restores the old behaviour and fixes the issue. [akpm@linux-foundation.org: little cleanup] Signed-off-by:
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Tomas Janousek authored
The commits 411187fb (GTOD: persistent clock support) c1d370e1 (i386: use GTOD persistent clock support) changed the monotonic time so that it no longer jumps after resume, but it's not possible to use it for boot time and process start time calculations then. Also, the uptime no longer increases during suspend. I add a variable to track the wall_to_monotonic changes, a function to get the real boot time and a function to get the boot based time from the monotonic one. [akpm@linux-foundation.org: remove exports, add comment] Signed-off-by:
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