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The ext4_get_group_desc() function returns NULL on error, and
ext4_free_inodes_count() function dereferences it without checking.
There is a check on the next line, but it's too late.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull documentation updates from Jiri Kosina:
"I am currently relaying documentation patches through 'doc' branch of
trivial tree, until Rob, the new documentation maintainer, has
established a proper tree."
* 'doc' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
doc: ext3: update documentation with barrier=1 default
Documentation/initrd.txt: Change the location of util-linux
Documentation/SubmittingPatches: suggested the use of scripts/get_maintainer.pl
Documentation/kernel-parameters: remove autotest and mcatest
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild changes from Michal Marek:
"The non-critical part of kbuild for 3.5 includes
- two new coccinelle checks
- fix for make deb-pkg to include generated headers in arch/*/include
I have more make-deb-pkg fixes in the backlog, but these will likely
have to wait for 3.6."
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
builddeb: include autogenerated header files
scripts/coccinelle: sizeof of pointer
scripts/coccinelle: address test is always true
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig changes from Michal Marek:
- Error handling for make KCONFIG_ALLCONFIG=<...> all*config plus a fix
for a bug that was exposed by this
- Fix for the script/config utility.
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
scripts/config: properly report and set string options
kbuild: all{no,yes,mod,def,rand}config only read files when instructed to.
kconfig: Add error handling to KCONFIG_ALLCONFIG
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek.
Fixed up nontrivial merge conflict in Makefile as per Stephen Rothwell
and linux-next (and trivial arch/sparc/Makefile changes due to removed
sparc32 logic).
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
mips: Fix KBUILD_CPPFLAGS definition
kbuild: fix ia64 link
kbuild: document KBUILD_LDS, KBUILD_VMLINUX_{INIT,MAIN} and LDFLAGS_vmlinux
kbuild: link of vmlinux moved to a script
kbuild: refactor final link of sparc32
kbuild: drop unused KBUILD_VMLINUX_OBJS from top-level Makefile
kbuild: Makefile: remove unnecessary check for m68knommu ARCH
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Pull writeback tree from Wu Fengguang:
"Mainly from Jan Kara to avoid iput() in the flusher threads."
* tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
writeback: Avoid iput() from flusher thread
vfs: Rename end_writeback() to clear_inode()
vfs: Move waiting for inode writeback from end_writeback() to evict_inode()
writeback: Refactor writeback_single_inode()
writeback: Remove wb->list_lock from writeback_single_inode()
writeback: Separate inode requeueing after writeback
writeback: Move I_DIRTY_PAGES handling
writeback: Move requeueing when I_SYNC set to writeback_sb_inodes()
writeback: Move clearing of I_SYNC into inode_sync_complete()
writeback: initialize global_dirty_limit
fs: remove 8 bytes of padding from struct writeback_control on 64 bit builds
mm: page-writeback.c: local functions should not be exposed globally
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Pull microblaze changes from Michal Simek.
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Setup correct pointer to TLS area
microblaze: Add TLS support to sys_clone
microblaze: ftrace: Pass the first calling instruction for dynamic ftrace
microblaze: Port OOM changes to do_page_fault
microblaze: Do not select GENERIC_GPIO by default
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The commit dc41b9b8f02db ("perf ui: Change fallback policy of
setup_browser") changed default behavior of the function but missed
setting the use_browser variable to 0 accidently. So perf report ends up
doing nothing in such cases. Fix it.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1338216802-5675-1-git-send-email-namhyung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Fix the following kernel crash:
------------[ cut here ]------------
WARNING: at drivers/clk/clk.c:508 __clk_enable+0x9c/0xa8()
Modules linked in:
Backtrace:
[<80011ef4>] (dump_backtrace+0x0/0x10c) from [<803fd48c>] (dump_stack+0x18/0x1c)
r7:00000009 r6:000001fc r5:803002ac r4:00000000
[<803fd474>] (dump_stack+0x0/0x1c) from [<8002003c>] (warn_slowpath_common+0x54/0x6c)
[<8001ffe8>] (warn_slowpath_common+0x0/0x6c) from [<80020078>] (warn_slowpath_null+0x24/0x2c)
r9:00000090 r8:8600e2c0 r7:8605c808 r6:8605c800 r5:8605d780
r4:8600e2c0
[<80020054>] (warn_slowpath_null+0x0/0x2c) from [<803002ac>] (__clk_enable+0x9c/0xa8)
[<80300210>] (__clk_enable+0x0/0xa8) from [<803002d0>] (clk_enable+0x18/0x30)
r5:8605d780 r4:80000013
[<803002b8>] (clk_enable+0x0/0x30) from [<803247c4>] (imx_ssi_probe+0xa0/0x4f4)
r5:8605d780 r4:86174180
[<80324724>] (imx_ssi_probe+0x0/0x4f4) from [<8022b0fc>] (platform_drv_probe+0x20/0x24)
[<8022b0dc>] (platform_drv_probe+0x0/0x24) from [<80229c40>] (driver_probe_device+0x80/0x1f0)
[<80229bc0>] (driver_probe_device+0x0/0x1f0) from [<80229e44>] (__driver_attach+0x94/0x98)
r9:00000090 r8:805b7800 r7:00000000 r6:8605c83c r5:805b1b44
r4:8605c808
[<80229db0>] (__driver_attach+0x0/0x98) from [<8022856c>] (bus_for_each_dev+0x68/0x94)
r7:00000000 r6:80229db0 r5:86033eb0 r4:805b1b44
[<80228504>] (bus_for_each_dev+0x0/0x94) from [<80229aa0>] (driver_attach+0x20/0x28)
r7:00000000 r6:86174100 r5:8059f6d0 r4:805b1b44
[<80229a80>] (driver_attach+0x0/0x28) from [<80228d50>] (bus_add_driver+0x18c/0x268)
[<80228bc4>] (bus_add_driver+0x0/0x268) from [<8022a474>] (driver_register+0x80/0x134)
[<8022a3f4>] (driver_register+0x0/0x134) from [<8022b4a4>] (platform_driver_register+0x4c/0x60)
r7:00000000 r6:805b7800 r5:00000018 r4:86032000
[<8022b458>] (platform_driver_register+0x0/0x60) from [<80556890>] (imx_ssi_driver_init+0x14/0x1c)
[<8055687c>] (imx_ssi_driver_init+0x0/0x1c) from [<8000868c>] (do_one_initcall+0x40/0x194)
[<8000864c>] (do_one_initcall+0x0/0x194) from [<8052f3b0>] (kernel_init+0x114/0x1f0)
[<8052f29c>] (kernel_init+0x0/0x1f0) from [<8002445c>] (do_exit+0x0/0x788)
---[ end trace d4aa739205917dbb ]---
asoc: mc13783-hifi <-> imx-ssi.0 mapping ok
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The huge page size is 4M on non-PAE host, but 2M page size is used in
transparent_hugepage_adjust(), so the page we get after adjust the
mapping level is not the head page, the BUG_ON() will be triggered
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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We're already invalidating the data cache, and setting the new change
attribute. Since directories don't care about the i_size field, there
is no need to be forcing any extra revalidation of the page cache.
We do keep the NFS_INO_INVALID_ATTR flag, in order to force an
attribute cache revalidation on stat() calls since we do not
update the mtime and ctime fields.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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No need for two implementations - we check the cpu model.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Unconditially define pci32_dma_ops as this is used
for leon.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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With the removal of sun4c we can use the same cpu_idle()
implementation on UP and SMP.
This also fix it so we use the same version independent on LEON
enabled or not.
V2: Fixed whitespace issue pointed out by Josip Rodin.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Josip Rodin <joy@entuzijast.net>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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All users of MMUREGS ASI is now LEON/SUN aware,
so this is no longer required.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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LEON uses a different ASI than SUN for MMUREGS
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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All users of MMUREGS ASI in kernel/ now uses run-time patching.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Fix following warning:
WARNING: arch/sparc/kernel/built-in.o(.cpuinit.text+0x9f4): Section mismatch in reference from the function leon_callin() to the function .init.text:leon_configure_cache_smp()
The function __cpuinit leon_callin() references
a function __init leon_configure_cache_smp().
If leon_configure_cache_smp is only used by leon_callin then
annotate leon_configure_cache_smp with a matching annotation.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Fix-up leon specific assembler to use ASI_LEON_MMUREGS
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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- Drop unused stuff accumulated over time
- Drop non-leon stuff
- Include almost all of the header unconditionally
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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A few hardcoded constant were replaced by symbolic
versions to improve readability
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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This will be used to handle that MMUREGS has different ASI for SUN and LEON.
This is the infrastructure only - users will come later.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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This gives us a C hook before we call start_kernel()
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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We use the compatibility property to determine the
sun models. For leon we use psr.impl and ignore the
result of the getprops call.
Include a hack to allow build as the support code
is not yet converted.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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Use PSR to check if the CPU is LEON and jump to
LEON specific code in this case.
Added a few constants to psr.h to increase readability.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
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A few strings have been adopted to show more relevant info.
Julian Calaby <julian.calaby@gmail.com> pointed out one
that I would otherwise have missed.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Fixes this sparc32 defconfig build error:
timekeeping.c:(.text+0x277c4): undefined reference to `arch_gettimeoffset'
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull in Linus's tree to get the commits that blew away
ARCH_USES_GETTIMEOFFSET but didn't update Sparc correctly, so
that I can apply Stephen Rothwell's fix for that mis-merge.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The generic version is both easier to support and more correct.
Signed-off-by: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is much the same as for SPARC except that we can do the find_zero()
function more efficiently using the count-leading-zeroes instructions.
Tested on 32-bit and 64-bit PowerPC.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The aligned_byte_mask() definition is wrong for 32-bit big-endian
machines: the "7-(n)" part of the definition assumes a long is 8
bytes. This fixes it by using BITS_PER_LONG - 8 instead of 8*7.
Tested on 32-bit and 64-bit PowerPC.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Omapdss driver changes for 3.5 merge window.
Lots of normal development commits, but perhaps most notable changes are:
* HDMI rework to properly decouple the HDMI audio part from the HDMI video part.
* Restructure omapdss core driver so that it's possible to implement device
tree support. This included changing how platform data is passed to the
drivers, changing display device registration and improving the panel driver's
ability to configure the underlying video output interface.
* Basic support for DSI packet interleaving
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The results from a call to nfs4_proc_create_session() should always
be fed into nfs4_handle_reclaim_lease_error, so that we can
handle errors such as NFS4ERR_SEQ_MISORDERED correctly.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Let nfs4_schedule_session_recovery() handle the details of choosing
between resetting the session, and other session related recovery.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Ensure that we handle NFS4ERR_DELAY errors separately, and then
let nfs4_recovery_handle_error() handle all other cases.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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In order to avoid races with other RPC calls that end up setting the
NFS4CLNT_BIND_CONN_TO_SESSION flag.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Activate the metadata checksumming feature by adding it to ext4 and
jbd2's lists of supported features.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Calculate and verify checksums of each data block being stored in the journal.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Calculate and verify the checksum of commit blocks. In checksum v2,
deprecate most of the checksum v1 commit block checksum fields, since
each block has its own checksum.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Calculate and verify a checksum of each descriptor block.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Compute and verify revoke blocks inside the journal.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Calculate and verify a checksum covering the journal superblock.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Obtain a reference to the crc32c driver if needed for the v2 checksum.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Add in the necessary code so that journal clients can enable the new
journal checksumming features.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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