16 Oct, 2009
6 commits
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drivers/md/unroll.pl replaced by awk script to drop build-time
dependency on perlSigned-off-by: Vladimir Dronnikov
Signed-off-by: NeilBrown -
and replace with vfs_fsync which is much neater (but wasn't exported,
or even in existence at the time the code was written).Cc: Christoph Hellwig
Signed-off-by: NeilBrown -
Both raid1 and raid10 create a mempool during startup.
If the 'alloc' function for this mempool fails, unplug_slaves
is called.
If that happens when the pool is being initialised, unplug_slaves
will try to use the 'conf' structure that isn't filled in yet, and
badness will happen.So ensure that unplug_slaves doesn't get called unless we know
that the conf structure if fully initialised.Signed-off-by: NeilBrown
-
Deallocating a raid5_conf_t structure requires taking 'device_lock'.
Ensure it is initialized before it is used, i.e. initialize the lock
before attempting any further initializations that might fail.Signed-off-by: Dan Williams
Signed-off-by: NeilBrown -
During 'check' of a raid1 or raid10 it is possible for the management
thread to spend a lot of time running 'memcmp' on blocks from
different devices, so make sure the thread has a chance to schedule.
raid5d already has a cond_resched (in process_stripe).Reported-By: Lee Howard
Signed-off-by: NeilBrown -
This reverts commit df10cfbc4d7ab93260d997df754219d390d62a9d.
This patch was based on a misunderstanding and risks introducing a busy-wait loop.
So revert it.Acked-by: Dan Williams
Signed-off-by: NeilBrown
25 Sep, 2009
3 commits
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* 'cputime' of git://git390.marist.edu/pub/scm/linux-2.6:
[PATCH] Fix idle time field in /proc/uptime -
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (24 commits)
microblaze: Disable heartbeat/enable emaclite in defconfigs
microblaze: Support simpleImage.dts make target
microblaze: Fix _start symbol to physical address
microblaze: Use LOAD_OFFSET macro to get correct LMA for all sections
microblaze: Create the LOAD_OFFSET macro used to compute VMA vs LMA offsets
microblaze: Copy ppc asm-compat.h for clean handling of constants in asm and C
microblaze: Actually show KiB rather than pages in "Freeing initrd memory:"
microblaze: Support ptrace syscall tracing.
microblaze: Updated CPU version and FPGA family codes in PVR
microblaze: Generate correct signal and siginfo for integer div-by-zero
microblaze: Don't be noisy when userspace causes hardware exceptions
microblaze: Remove ipc.h file which points to non-existing asm-generic file
microblaze: Clear sticky FSR register after generating exception signals
microblaze: Ensure CPU usermode is set on new userspace processes
microblaze: Use correct kbuild variable KBUILD_CFLAGS
microblaze: Save and restore msr in hw exception
microblaze: Add architectural support for USB EHCI host controllers
microblaze: Implement include/asm/syscall.h.
microblaze: Improve checking mechanism for MSR instruction
microblaze: Add checking mechanism for MSR instruction
... -
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
module: don't call percpu_modfree on NULL pointer.
module: fix memory leak when load fails after srcversion/version allocated
module: preferred way to use MODULE_AUTHOR
param: allow whitespace as kernel parameter separator
module: reduce string table for loaded modules (v2)
module: reduce symbol table for loaded modules (v2)
24 Sep, 2009
31 commits
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (42 commits)
Btrfs: hash the btree inode during fill_super
Btrfs: relocate file extents in clusters
Btrfs: don't rename file into dummy directory
Btrfs: check size of inode backref before adding hardlink
Btrfs: fix releasepage to avoid unlocking extents we haven't locked
Btrfs: Fix test_range_bit for whole file extents
Btrfs: fix errors handling cached state in set/clear_extent_bit
Btrfs: fix early enospc during balancing
Btrfs: deal with NULL space info
Btrfs: account for space used by the super mirrors
Btrfs: fix extent entry threshold calculation
Btrfs: remove dead code
Btrfs: fix bitmap size tracking
Btrfs: don't keep retrying a block group if we fail to allocate a cluster
Btrfs: make balance code choose more wisely when relocating
Btrfs: fix arithmetic error in clone ioctl
Btrfs: add snapshot/subvolume destroy ioctl
Btrfs: change how subvolumes are organized
Btrfs: do not reuse objectid of deleted snapshot/subvol
Btrfs: speed up snapshot dropping
... -
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
truncate: use new helpers
truncate: new helpers
fs: fix overflow in sys_mount() for in-kernel calls
fs: Make unload_nls() NULL pointer safe
freeze_bdev: grab active reference to frozen superblocks
freeze_bdev: kill bd_mount_sem
exofs: remove BKL from super operations
fs/romfs: correct error-handling code
vfs: seq_file: add helpers for data filling
vfs: remove redundant position check in do_sendfile
vfs: change sb->s_maxbytes to a loff_t
vfs: explicitly cast s_maxbytes in fiemap_check_ranges
libfs: return error code on failed attr set
seq_file: return a negative error code when seq_path_root() fails.
vfs: optimize touch_time() too
vfs: optimization for touch_atime()
vfs: split generic_forget_inode() so that hugetlbfs does not have to copy it
fs/inode.c: add dev-id and inode number for debugging in init_special_inode()
libfs: make simple_read_from_buffer conventional -
* git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
lsm: Use a compressed IPv6 string format in audit events
Audit: send signal info if selinux is disabled
Audit: rearrange audit_context to save 16 bytes per struct
Audit: reorganize struct audit_watch to save 8 bytes -
The general one handles NULL, the static obsolescent
(CONFIG_HAVE_LEGACY_PER_CPU_AREA) one in module.c doesn't; Eric's
commit 720eba31 assumed it did, and various frobbings since then kept
that assumption.All other callers in module.c all protect it with an if; this effectively
does the same as free_init is only goto if we fail percpu_modalloc().Reported-by: Kamalesh Babulal
Signed-off-by: Rusty Russell
Cc: Eric Dumazet
Cc: Masami Hiramatsu
Cc: Américo Wang
Tested-by: Kamalesh Babulal -
Normally the twisty paths of sysfs will free the attributes, but not if
we fail before we hook it into sysfs (which is the last thing we do in
load_module).(This sysfs code is a turd, no doubt there are other issues lurking too).
Reported-by: Tetsuo Handa
Signed-off-by: Rusty Russell
Cc: Catalin Marinas
Tested-by: Tetsuo Handa -
For the longest time now we've been using multiple MODULE_AUTHOR()
statements when a module has more than one author, but the comment here
disagrees.Signed-off-by: Johannes Berg
Cc: Jiri Kosina
Cc: Luciano Coelho
Signed-off-by: Andrew Morton
Signed-off-by: Rusty Russell -
Some boot mechanisms require that kernel parameters are stored in a
separate file which is loaded to memory without further processing
(e.g. the "Load from FTP" method on s390). When such a file contains
newline characters, the kernel parameter preceding the newline might
not be correctly parsed (due to the newline being stuck to the end of
the actual parameter value) which can lead to boot failures.This patch improves kernel command line usability in such a situation
by allowing generic whitespace characters as separators between kernel
parameters.Signed-off-by: Peter Oberparleiter
Signed-off-by: Rusty Russell -
Also remove all parts of the string table (referenced by the symbol
table) that are not needed for kallsyms use (i.e. which were only
referenced by symbols discarded by the previous patch, or not
referenced at all for whatever reason).Signed-off-by: Jan Beulich
Signed-off-by: Rusty Russell -
Discard all symbols not interesting for kallsyms use: absolute,
section, and in the common case (!KALLSYMS_ALL) data ones.Signed-off-by: Jan Beulich
Signed-off-by: Rusty Russell -
* 'for-linus' of git://neil.brown.name/md: (97 commits)
md: raid-1/10: fix RW bits manipulation
md: remove unnecessary memset from multipath.
md: report device as congested when suspended
md: Improve name of threads created by md_register_thread
md: remove sparse warnings about lock context.
md: remove sparse waring "symbol xxx shadows an earlier one"
async_tx/raid6: add missing dma_unmap calls to the async fail case
ioat3: fix uninitialized var warnings
drivers/dma/ioat/dma_v2.c: fix warnings
raid6test: fix stack overflow
ioat2: clarify ring size limits
md/raid6: cleanup ops_run_compute6_2
md/raid6: eliminate BUG_ON with side effect
dca: module load should not be an error message
ioat: driver version 4.0
dca: registering requesters in multiple dca domains
async_tx: remove HIGHMEM64G restriction
dmaengine: sh: Add Support SuperH DMA Engine driver
dmaengine: Move all map_sg/unmap_sg for slave channel to its client
fsldma: Add DMA_SLAVE support
... -
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
V4L/DVB (13039): dib0700: not building CONFIG_DVB_TUNER_DIB0070 breaks compilation
V4L/DVB (13038): dvbdev: Remove an anoying/uneeded warning
V4L/DVB (13037): go7007: Revert compatibility code added at the wrong place
media: video: Fix build in saa7164 -
* 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: (21 commits)
HWPOISON: Enable error_remove_page on btrfs
HWPOISON: Add simple debugfs interface to inject hwpoison on arbitary PFNs
HWPOISON: Add madvise() based injector for hardware poisoned pages v4
HWPOISON: Enable error_remove_page for NFS
HWPOISON: Enable .remove_error_page for migration aware file systems
HWPOISON: The high level memory error handler in the VM v7
HWPOISON: Add PR_MCE_KILL prctl to control early kill behaviour per process
HWPOISON: shmem: call set_page_dirty() with locked page
HWPOISON: Define a new error_remove_page address space op for async truncation
HWPOISON: Add invalidate_inode_page
HWPOISON: Refactor truncate to allow direct truncating of page v2
HWPOISON: check and isolate corrupted free pages v2
HWPOISON: Handle hardware poisoned pages in try_to_unmap
HWPOISON: Use bitmask/action code for try_to_unmap behaviour
HWPOISON: x86: Add VM_FAULT_HWPOISON handling to x86 page fault handler v2
HWPOISON: Add poison check to page fault handling
HWPOISON: Add basic support for poisoned pages in fault handler v3
HWPOISON: Add new SIGBUS error codes for hardware poison signals
HWPOISON: Add support for poison swap entries v2
HWPOISON: Export some rmap vma locking to outside world
... -
drivers/usb/serial/sierra.c: In function 'sierra_suspend':
drivers/usb/serial/sierra.c:936: error: 'struct usb_device' has no member named 'auto_pm'Repairs
commit e6929a9020acbeb04d9a3ad9a88234c15be808fd
Author: Oliver Neukum
Date: Fri Sep 4 23:19:53 2009 +0200USB: support for autosuspend in sierra while online
Cc: Greg KH
Cc: Oliver Neukum
Cc: Elina Pasheva
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
This brings Alpha AGP platforms in sync with the change to struct
agp_memory (unsigned long *memory => struct page **pages).Only compile tested (I don't have titan/marvel hardware), but this change
looks pretty straightforward, so hopefully it's ok.Signed-off-by: Ivan Kokshaysky
Cc: Richard Henderson
Cc: Dave Airlie
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Because the binfmt is not different between threads in the same process,
it can be moved from task_struct to mm_struct. And binfmt moudle is
handled per mm_struct instead of task_struct.Signed-off-by: Hiroshi Shimamoto
Acked-by: Oleg Nesterov
Cc: Rusty Russell
Acked-by: Roland McGrath
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
When unaligned accesses are required for uncompressing a kernel (such as
for LZO decompression on ARM in a patch that follows), including
causes issues as it brings in a lot of things that are
not available in the decompression environment.linux/kernel.h brings at least:
extern int console_printk[];
extern const char hex_asc[];
which causes errors at link-time as they are not available when
compiling the pre-boot environement. There are also a few others:arch/arm/boot/compressed/misc.o: In function `valid_user_regs':
arch/arm/include/asm/ptrace.h:158: undefined reference to `elf_hwcap'
arch/arm/boot/compressed/misc.o: In function `console_silent':
include/linux/kernel.h:292: undefined reference to `console_printk'
arch/arm/boot/compressed/misc.o: In function `console_verbose':
include/linux/kernel.h:297: undefined reference to `console_printk'
arch/arm/boot/compressed/misc.o: In function `pack_hex_byte':
include/linux/kernel.h:360: undefined reference to `hex_asc'
arch/arm/boot/compressed/misc.o: In function `hweight_long':
include/linux/bitops.h:45: undefined reference to `hweight32'
arch/arm/boot/compressed/misc.o: In function `__cmpxchg_local_generic':
include/asm-generic/cmpxchg-local.h:21: undefined reference to `wrong_size_cmpxchg'
include/asm-generic/cmpxchg-local.h:42: undefined reference to `wrong_size_cmpxchg'
arch/arm/boot/compressed/misc.o: In function `__xchg':
arch/arm/include/asm/system.h:309: undefined reference to `__bad_xchg'However, those files apparently use nothing from , all
they need is the declaration of types such as u32 or u64, so
should be enoughSigned-off-by: Albin Tonnerre
Cc: Sam Ravnborg
Cc: Russell King
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: "H. Peter Anvin"
Cc: Phillip Lougher
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
If the lzma/gzip decompressors are called with insufficient input data
(len > 0 & fill = NULL), they will attempt to call the fill function to
obtain more data, leading to a kernel oops.Signed-off-by: Phillip Lougher
Cc: "H. Peter Anvin"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
In this case, the calls to request_mem_region, ioremap, and
release_mem_region all have a consistent length argument, len, but since
in other files (res->end - res->start) + 1, equivalent to
resource_size(res), is used for a resource-typed structure res, one could
consider whether the same should be done here.The problem was found using the following semantic patch:
(http://www.emn.fr/x-info/coccinelle/)//
@@
struct resource *res;
@@- (res->end - res->start) + 1
+ resource_size(res)@@
struct resource *res;
@@- res->end - res->start
+ BAD(resource_size(res))
//Signed-off-by: Julia Lawall
Acked-by: Florian Fainelli
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
romfs_iget returns an ERR_PTR value in an error case instead of NULL.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)//
@match exists@
expression x, E;
statement S1, S2;
@@x = romfs_iget(...)
... when != x = E
(
* if (x == NULL || ...) S1 else S2
|
* if (x == NULL && ...) S1 else S2
)
//Signed-off-by: Julia Lawall
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
The allocation may fail.
Signed-off-by: Roel Kluin
Acked-by: Jack Steiner
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Signed-off-by: Alexey Dobriyan
Cc: Jack Steiner
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
->ioctx_lock and ->ioctx_list are used only under CONFIG_AIO.
Signed-off-by: Alexey Dobriyan
Cc: Zach Brown
Cc: Benjamin LaHaise
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
id_reg.if_mode might be unitialized when (*mrq)->error is nonzero. move
dev_dbg() inside the if so that we are sure we can use id_reg values.Signed-off-by: Jiri Slaby
Cc: Alex Dubov
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
unsigned block cannot be less than 0.
Signed-off-by: Roel Kluin
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Module edac_core.ko uses call_rcu() callbacks in edac_device.c, edac_mc.c
and edac_pci.c.They all use a wait_for_completion() scheme, but this scheme it not 100%
safe on multiple CPUs. See the _rcu_barrier() implementation which
explains why extra precausion is needed.The patch adds a comment about rcu_barrier() and as a precausion calls
rcu_barrier(). A maintainer needs to look at removing the
wait_for_completion code.[dougthompson@xmission.com: remove the wait_for_completion code]
Signed-off-by Jesper Dangaard Brouer
Signed-off-by: Doug Thompson
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
A driver for the Intel 3200 and 3210 memory controllers. It has only had
light testing so far, and currently makes no attempt to decode error
addresses at anything finer than csrow granularity.Signed-off-by: Jason Uhlenkott
Signed-off-by: Doug Thompson
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Use the function resource_size, which reduces the chance of introducing
off-by-one errors in calculating the resource size.The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)//
@@
struct resource *res;
@@- (res->end - res->start) + 1
+ resource_size(res)
//Signed-off-by: Julia Lawall
Signed-off-by: Doug Thompson
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Add support for the Freescale MPC83xx memory controller to the existing
driver for the Freescale MPC85xx memory controller. The only difference
between the two processors are in the CS_BNDS register parsing code, which
has been changed so it will work on both processors.The L2 cache controller does not exist on the MPC83xx, but the OF
subsystem will not use the driver if the device is not present in the OF
device tree.I had to change the nr_pages calculation to make the math work out. I
checked it on my board and did the math by hand for a 64GB 85xx using 64K
pages. In both cases, nr_pages * PAGE_SIZE comes out to the correct
value.Signed-off-by: Ira W. Snyder
Signed-off-by: Doug Thompson
Cc: Kumar Gala
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
Based on Kumar's new compatible types patch, add P2020 into MPC85xx EDAC
compatible lists so that EDAC can recognize P2020 meomry controller and L2
cache controller and export the relevant fields to sysfs.EDAC MPC85xx DDR3 support is needed if DDR3 memory stick is installed on a
P2020DS board so that EDAC core can recognize DDR3 memory type.Signed-off-by: Yang Shi
Acked-by: Dave Jiang
Signed-off-by: Doug Thompson
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
The forward decls for some kernel types are only needed by the code behind
__KERNEL__, so don't bleed these types to userspace.Signed-off-by: Mike Frysinger
Cc: Thomas Gleixner
Cc: Ingo Molnar
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
CLONE_PARENT was used to implement an older threading model. For
consistency with the CLONE_THREAD check in copy_pid_ns(), disable
CLONE_PARENT with CLONE_NEWPID, at least until the required semantics of
pid namespaces are clear.Signed-off-by: Sukadev Bhattiprolu
Acked-by: Roland McGrath
Acked-by: Serge Hallyn
Cc: Oren Laadan
Cc: Oleg Nesterov
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
