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In latest -mm ide-code.o gave a number of warnings like the following:
WARNING: drivers/ide/ide-core.o - Section mismatch: reference to \
.init.text: from .text between 'init_module' (at offset 0x1f97) and \
'cleanup_module'
The warning was caused by init_module() calling parse_option() and
ide_init() both declared __init.
Declaring init_module() __init fixes the warnings.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Previous inotify work avoidance is good when inotify is completely unused,
but it breaks down if even a single watch is in place anywhere in the
system. Robin Holt notices that udev is one such culprit - it slows down a
512-thread application on a 512 CPU system from 6 seconds to 22 minutes.
Solve this by adding a flag in the dentry that tells inotify whether or not
its parent inode has a watch on it. Event queueing to parent will skip
taking locks if this flag is cleared. Setting and clearing of this flag on
all child dentries versus event delivery: this is no in terms of race
cases, and that was shown to be equivalent to always performing the check.
The essential behaviour is that activity occuring _after_ a watch has been
added and _before_ it has been removed, will generate events.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Robert Love <rml@novell.com>
Cc: John McCutchan <ttb@tentacle.dhs.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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sysrq.c is fairly revolting. Fix.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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net/rxrpc/main.c: In function `rxrpc_initialise':
net/rxrpc/main.c:83: warning: label `error_proc' defined but not used
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Some BIOSes do not always set CF on error before return from int13. The
patch adds additional check for status being zero (AH == 0).
Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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param_array() in kernel/params.c can now become static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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MODULE_PARM was actually breaking: recent gcc version optimize them out as
unused. It's time to replace the last users, which are generally in the
most unloved drivers anyway.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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hysdn defines its own types: ulong, uint, uchar and word.
Problem is, the module_param macros rely upon some of those identifiers having
special meanings too. The net effect is that module_param() and friends
cannot be used in ISDN because of this namespace clash.
So remove the hysdn-private defines and open-code them all.
Cc: Karsten Keil <kkeil@suse.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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If we can detect a problem at compile time, the compilation should fail.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add a couple of 'const' qualifiers to the TTY flip buffer APIs, where
appropriate.
Signed-off-by: Thomas Koeller <thomas@koeller.dyndns.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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drivers/isdn/i4l/isdn_ppp.c:785: warning: ignoring return value of `copy_to_user', declared with attribute warn_unused_result
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I think it would be nice to put an usage warning in header of
lookup_instantiate_filp() to indicate it is unsafe to use it on anything
but regular files (even that is potentially unsafe, but there your ->open()
is usually in your hands anyway), so that others won't fall into the same
trap I did.
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Introduce FMODE_EXEC file flag, to indicate that file is being opened for
execution. This is useful for distributed filesystems to maintain
consistent behavior for returning ETXTBUSY when opening for write and
execution happens on different nodes.
akpm:
Needed by Lustre at present. I assume their objective to to work towards
being able to install Lustre on an unmodified distro kernel, which seems
sane. It should have zero runtime cost.
Trond and Chuck indicate that NFS4 can probably use this too, for the same
thing.
Steven says it's also on the GFS todo list.
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Chuck Lever <cel@citi.umich.edu>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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write occurs w/ O_SYNC
When an error occurs in reiserfs_file_write before any data is written, and
O_SYNC is set, the return code of generic_osync_write will overwrite the
error code, losing it.
This patch ensures that generic_osync_inode() doesn't run under an error
condition, losing the error. This duplicates the logic from
generic_file_buffered_write().
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Cc: Chris Mason <mason@suse.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Alexander Zarochentsev <zam@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Reiserfs does not handle transaction ID overflow correctly. Transaction ID
== 0 causes reiserfs to crash. The patch fixes all places where the
transaction ID is incremented.
Signed-off-by: Alexander Zarochentsev <zam@namesys.com>
Signed-off-by: Hans Reiser <reiser@namesys.com>
Cc: Chris Mason <mason@suse.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch fixes a bug in reiserfs truncate. A transaction might overflow
when truncating long highly fragmented file. The fix is to split
truncation into several transactions to avoid overflowing.
Signed-off-by: Vladimir V. Saveliev <vs@namesys.com>
Cc; Charles McColgan <cm@chuck.net>
Cc: Alexander Zarochentsev <zam@namesys.com>
Cc: Hans Reiser <reiser@namesys.com>
Cc: Chris Mason <mason@suse.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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There's no reason for iprune_mutex being global.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Remove unused quota flag.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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It seems there is error check missing in open_namei for errors returned
through intent.open.file (from lookup_instantiate_filp).
If there is plain open performed, then such a check done inside
__path_lookup_intent_open called from path_lookup_open(), but when the open
is performed with O_CREAT flag set, then __path_lookup_intent_open is only
called with LOOKUP_PARENT set where no file opening can occur yet.
Later on lookup_hash is called where exact opening might take place and
intent.open.file may be filled. If it is filled with error value of some
sort, then we get kernel attempting to dereference this error value as
address (and corresponding oops) in nameidata_to_filp() called from
filp_open().
While this is relatively simple to workaround in ->lookup() method by just
checking lookup_instantiate_filp() return value and returning error as
needed, this is not so easy in ->d_revalidate(), where we can only return
"yes, dentry is valid" or "no, dentry is invalid, perform full lookup
again", and just returning 0 on error would cause extra lookup (with
potential extra costly RPCs).
So in short, I believe that there should be no difference in error handling
for opening a file and creating a file in open_namei() and propose this
simple patch as a solution.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The kjournald timer is currently on the kernel thread's stack and the journal
structure points at it. Save a pointer hop by moving the timer into the
journal structure.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Cause an attempt to add a duplicate non-updateable key (such as a keyring) to
a keyring to discard the extant copy in favour of the new one rather than
failing with EEXIST:
# do the test in an empty session
keyctl session
# create a new keyring called "a" and attach to session
keyctl newring a @s
# create another new keyring called "a" and attach to session,
# displacing the keyring added by the second command:
keyctl newring a @s
Without this patch, the third command will fail.
For updateable keys (such as those of "user" type), the update method will
still be called rather than a new key being created.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Make key quota detection generate an error if either quota is exceeded rather
than only if both quotas are exceeded.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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DEBUG_PAGEALLOC is not compatible with hugetlb page support. That debug
option turns off PSE. Once it is turned off in CR4, the cpu will ignore
pse bit in the pmd and causing infinite page-not- present faults.
So disable DEBUG_PAGEALLOC if the user selected hugetlbfs.
Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Make CONFIG_HOTPLUG_CPU depend on !X86_PC, so we need to turn on either
CONFIG_GENERICARCH, CONFIG_BIGSMP or any other subarch except X86_PC when
CONFIG_HOTPLUG_CPU=y
With 2.6.15+ kernels when CONFIG_HOTPLUG_CPU is turned on we switch to
bigsmp mode for sending IPI's and ioapic configurations that caused the
following error message.
>> More than 8 CPUs detected and CONFIG_X86_PC cannot handle it.
>> Use CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.
Originally bigsmp was added just to handle >8 cpus, but now with hotplug
cpu support we need to use bigsmp mode (why? see below), that cause the
above error message even if there were less than 8 cpus in the system.
The message is bogus, but we are cannot use logical flat mode due to issues
with broadcast IPI can confuse a CPU just comming up. We use flat physical
mode just like x86_64 case. More details on why bigsmp now uses flat
physical mode (vs. cluster mode) in following link.
http://marc.theaimsgroup.com/?l=linux-kernel&m=113261865814107&w=2
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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In zone_pcp_init we print out all zones even if they are empty:
On node 0 totalpages: 245760
DMA zone: 245760 pages, LIFO batch:31
DMA32 zone: 0 pages, LIFO batch:0
Normal zone: 0 pages, LIFO batch:0
HighMem zone: 0 pages, LIFO batch:0
To conserve dmesg space why not print only the non zero zones.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The page migration code could function without NUMA but we currently have
no users for the non-NUMA case.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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We have had this memory leak for a while now. The situation is complicated
by the use of alloc_kmemlist() as a function to resize various caches by
do_tune_cpucache().
What we do here is first of all make sure that we deallocate properly in
the loop over all the nodes.
If we are just resizing caches then we can simply return with -ENOMEM if an
allocation fails.
If the cache is new then we need to rollback and remove all earlier
allocations.
We detect that a cache is new by checking if the link to the global cache
chain has been setup. This is a bit hackish ....
(also fix up too overlong lines that I added in the last patch...)
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Inspired by Jesper Juhl's patch from today
1. Get rid of err
We do not set it to anything else but zero.
2. Drop the CONFIG_NUMA stuff.
There are definitions for alloc_alien_cache and free_alien_cache()
that do the right thing for the non NUMA case.
3. Better naming of variables.
4. Remove redundant cachep->nodelists[node] expressions.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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__drain_alien_cache() currently drains objects by freeing them to the
(remote) freelists of the original node. However, each node also has a
shared list containing objects to be used on any processor of that node.
We can avoid a number of remote node accesses by copying the pointers to
the free objects directly into the remote shared array.
And while we are at it: Skip alien draining if the alien cache spinlock is
already taken.
Kiran reported that this is a performance benefit.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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slabr_objects() can be used to transfer objects between various object
caches of the slab allocator. It is currently only used during
__cache_alloc() to retrieve elements from the shared array. We will be
using it soon to transfer elements from the alien caches to the remote
shared array.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Convert mm/ to use the new kmem_cache_zalloc allocator.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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As suggested by Eric Dumazet, optimize kzalloc() calls that pass a
compile-time constant size. Please note that the patch increases kernel
text slightly (~200 bytes for defconfig on x86).
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Introduce a memory-zeroing variant of kmem_cache_alloc. The allocator
already exits in XFS and there are potential users for it so this patch
makes the allocator available for the general public.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Implement /proc/slab_allocators. It produces output like:
idr_layer_cache: 80 idr_pre_get+0x33/0x4e
buffer_head: 2555 alloc_buffer_head+0x20/0x75
mm_struct: 9 mm_alloc+0x1e/0x42
mm_struct: 20 dup_mm+0x36/0x370
vm_area_struct: 384 dup_mm+0x18f/0x370
vm_area_struct: 151 do_mmap_pgoff+0x2e0/0x7c3
vm_area_struct: 1 split_vma+0x5a/0x10e
vm_area_struct: 11 do_brk+0x206/0x2e2
vm_area_struct: 2 copy_vma+0xda/0x142
vm_area_struct: 9 setup_arg_pages+0x99/0x214
fs_cache: 8 copy_fs_struct+0x21/0x133
fs_cache: 29 copy_process+0xf38/0x10e3
files_cache: 30 alloc_files+0x1b/0xcf
signal_cache: 81 copy_process+0xbaa/0x10e3
sighand_cache: 77 copy_process+0xe65/0x10e3
sighand_cache: 1 de_thread+0x4d/0x5f8
anon_vma: 241 anon_vma_prepare+0xd9/0xf3
size-2048: 1 add_sect_attrs+0x5f/0x145
size-2048: 2 journal_init_revoke+0x99/0x302
size-2048: 2 journal_init_revoke+0x137/0x302
size-2048: 2 journal_init_inode+0xf9/0x1c4
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Alexander Nyberg <alexn@telia.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Lameter <clameter@engr.sgi.com>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
DESC
slab-leaks3-locking-fix
EDESC
From: Andrew Morton <akpm@osdl.org>
Update for slab-remove-cachep-spinlock.patch
Cc: Al Viro <viro@ftp.linux.org.uk>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Alexander Nyberg <alexn@telia.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Lameter <clameter@engr.sgi.com>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add a driver for the on-chip watchdog on the cirrus ep93xx series of ARM
CPUs.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The attached patch optimises d_find_alias() to only take the spinlock if
there's anything in the the inode's alias list. If there isn't, it returns
NULL immediately.
With respect to the superblock sharing patch, this should reduce by one the
number of times the dcache_lock is taken by nfs_lookup() for ordinary
directory lookups.
Only in the case where there's already a dentry for particular directory inode
(such as might happen when another mountpoint is rooted at that dentry) will
the lock then be taken the extra time.
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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According to the specification the timevals must be validated and an
errorcode -EINVAL returned in case the timevals are not in canonical form.
This check was never done in Linux.
The pre 2.6.16 code converted invalid timevals silently. Negative timeouts
were converted by the timeval_to_jiffies conversion to the maximum timeout.
hrtimers and the ktime_t operations expect timevals in canonical form.
Otherwise random results might happen on 32 bits machines due to the
optimized ktime_add/sub operations. Negative timeouts are treated as
already expired. This might break applications which work on pre 2.6.16.
To prevent random behaviour and API breakage the timevals are checked and
invalid timevals sanitized in a simliar way as the pre 2.6.16 code did.
Invalid timevals are reported with a per boot limited number of kernel
messages so applications which use this misfeature can be corrected.
After a grace period of one year the sanitizing should be replaced by a
correct validation check. This is also documented in
Documentation/feature-removal-schedule.txt
The validation and sanitizing is done inside do_setitimer so all callers
(sys_setitimer, compat_sys_setitimer, osf_setitimer) are catched.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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alarm() calls the kernel with an unsigend int timeout in seconds. The
value is stored in the tv_sec field of a struct timeval to setup the
itimer. The tv_sec field of struct timeval is of type long, which causes
the tv_sec value to be negative on 32 bit machines if seconds > INT_MAX.
Before the hrtimer merge (pre 2.6.16) such a negative value was converted
to the maximum jiffies timeout by the timeval_to_jiffies conversion. It's
not clear whether this was intended or just happened to be done by the
timeval_to_jiffies code.
hrtimers expect a timeval in canonical form and treat a negative timeout as
already expired. This breaks the legitimate usage of alarm() with a
timeout value > INT_MAX seconds.
For 32 bit machines it is therefor necessary to limit the internal seconds
value to avoid API breakage. Instead of doing this in all implementations
of sys_alarm the duplicated sys_alarm code is moved into a common function
in itimer.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I seem to have lost this hunk in yesterday's patch. It brings the
coming-online CPU's softlockup timer up to date so we don't get false-positive
tripups during CPU hot-add.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Attached patch fixes invalid pointer arithmetic in DMI code to make onboard
device discovery working again.
akpm: bug has been present since dmi_find_device() was added in 2.6.14.
Affects ipmi only (I think) - the symptoms weren't described.
akpm: changed to use pointer arithmetic rather than open-coded sizeof.
Signed-off-by: Andrey Panin <pazke@donpac.ru>
Cc: Corey Minyard <minyard@acm.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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net: ne2k.c won't compile if pci_clone_list is const
f71e130966ba429dbd24be08ddbcdf263df9a5ad which (amongst other things)
made pci_clone_list in ne2k-pci.c const causes the following compile error.
This patch reverses that portion of that changeset
drivers/net/ne2k-pci.c:123: error: pci_clone_list causes a section type
conflict
~/ gcc --version
gcc (GCC) 4.0.3 (Debian 4.0.3-1)
~/ dpkg gcc-4.0 | grep Version
Version: 4.0.3-1
Signed-Off-By: Horms <horms@verge.net.au
ne2k-pci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
cee0890cc97247b6a9decd94f5dc0719ac8f0b1b
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch adds support for the Ethernet controller integrated in the
Atmel AT91RM9200 SoC processor.
Changes since the previous submission (01/02/2006) are:
- Make use of the clk.h clock infrastructure.
- The multicast hash function is not crc32. [Patch by Pedro Perez]
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[PATCH] libata: Remove dependence on host_set->dev for SAS
[PATCH] libata: ata_scsi_ioctl cleanup
[PATCH] libata: ata_scsi_queuecmd cleanup
[libata] export ata_dev_pair; trim trailing whitespace
[PATCH] libata: add ata_dev_pair helper
[PATCH] Make libata not powerdown drivers on PM_EVENT_FREEZE.
[PATCH] libata: make ata_set_mode() responsible for failure handling
[PATCH] libata: use ata_dev_disable() in ata_bus_probe()
[PATCH] libata: implement ata_dev_disable()
[PATCH] libata: check if port is disabled after internal command
[PATCH] libata: make per-dev transfer mode limits per-dev
[PATCH] libata: add per-dev pio/mwdma/udma_mask
[PATCH] libata: implement ata_unpack_xfermask()
[libata] Move some bmdma-specific code to libata-bmdma.c
[libata sata_uli] kill scr_addr abuse
[libata sata_nv] eliminate duplicate codepaths with iomap
[libata sata_nv] cleanups: convert #defines to enums; remove in-file history
[libata sata_sil24] cleanups: use pci_iomap(), kzalloc()
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uevent_seqnum and uevent_helper are only defined if CONFIG_HOTPLUG=y,
CONFIG_NET=n.
(I stole this back from Greg's tree - it makes allnoconfig work).
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Copies user-space string with strndup_user() and moves the type string
duplication code to a function (thus fixing a wrong check on the length of the
type.)
Signed-off-by: Davi Arnaut <davi.arnaut@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Change hand-coded userspace string copying to strndup_user.
Signed-off-by: Davi Arnaut <davi.arnaut@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch series creates a strndup_user() function to easy copying C strings
from userspace. Also we avoid common pitfalls like userspace modifying the
final \0 after the strlen_user().
Signed-off-by: Davi Arnaut <davi.arnaut@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Make the softlockup detector purely timer-interrupt driven, removing
softirq-context (timer) dependencies. This means that if the softlockup
watchdog triggers, it has truly observed a longer than 10 seconds
scheduling delay of a SCHED_FIFO prio 99 task.
(the patch also turns off the softlockup detector during the initial bootup
phase and does small style fixes)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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If the change of personality does not lead to change of exec domain,
__set_personality() returned without releasing the module reference
acquired by lookup_exec_domain().
Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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