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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/pseries: Fix build without CONFIG_HOTPLUG_CPU
powerpc: Set nr_cpu_ids early and use it to free PACAs
powerpc/pseries: Don't register global initcall
powerpc/kexec: Fix mismatched ifdefs for PPC64/SMP.
edac/mpc85xx: Limit setting/clearing of HID1[RFXE] to e500v1/v2 cores
powerpc/85xx: Update dts for PCIe memory maps to match u-boot of Px020RDB
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: don't warn in btrfs_add_orphan
Btrfs: fix free space cache when there are pinned extents and clusters V2
Btrfs: Fix uninitialized root flags for subvolumes
btrfs: clear __GFP_FS flag in the space cache inode
Btrfs: fix memory leak in start_transaction()
Btrfs: fix memory leak in btrfs_ioctl_start_sync()
Btrfs: fix subvol_sem leak in btrfs_rename()
Btrfs: Fix oops for defrag with compression turned on
Btrfs: fix /proc/mounts info.
Btrfs: fix compiler warning in file.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
ipv6: Don't pass invalid dst_entry pointer to dst_release().
mlx4: fix kfree on error path in new_steering_entry()
tcp: len check is unnecessarily devastating, change to WARN_ON
sctp: malloc enough room for asconf-ack chunk
sctp: fix auth_hmacs field's length of struct sctp_cookie
net: Fix dev dev_ethtool_get_rx_csum() for forced NETIF_F_RXCSUM
usbnet: use eth%d name for known ethernet devices
starfire: clean up dma_addr_t size test
iwlegacy: fix bugs in change_interface
carl9170: Fix tx aggregation problems with some clients
iwl3945: disable hw scan by default
wireless: rt2x00: rt2800usb.c add and identify ids
iwl3945: do not deprecate software scan
mac80211: fix aggregation frame release during timeout
cfg80211: fix BSS double-unlinking (continued)
cfg80211:: fix possible NULL pointer dereference
mac80211: fix possible NULL pointer dereference
mac80211: fix NULL pointer dereference in ieee80211_key_alloc()
ath9k: fix a chip wakeup related crash in ath9k_start
mac80211: fix a crash in minstrel_ht in HT mode with no supported MCS rates
...
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Signed-off-by: Matt Evans <matt@ozlabs.au.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Without this, "holes" in the CPU numbering can cause us to
free too many PACAs
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Commit b3df895aebe091b1657 "powerpc/kexec: Add support for FSL-BookE"
introduced the original PPC_STD_MMU_64 checks around the function
crash_kexec_wait_realmode(). Then commit c2be05481f61252
"powerpc: Fix default_machine_crash_shutdown #ifdef botch" changed
the ifdef around the calling site to add a check on SMP, but the
ifdef around the function itself was left unchanged, leaving an
unused function for PPC_STD_MMU_64=y and SMP=n
Rather than have two ifdefs that can get out of sync like this,
simply put the corrected conditional around the function and use
a stub to get rid of one set of ifdefs completely.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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When I moved the orphan adding to btrfs_truncate I missed the fact that during
orphan cleanup we just add the orphan items to the orphan list without going
through btrfs_orphan_add, which results in lots of warnings on mount if you have
any orphan items that need to be truncated. Just remove this warning since it's
ok, this will allow all of the normal space accounting take place. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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I noticed a huge problem with the free space cache that was presenting
as an early ENOSPC. Turns out when writing the free space cache out I
forgot to take into account pinned extents and more importantly
clusters. This would result in us leaking free space everytime we
unmounted the filesystem and remounted it.
I fix this by making sure to check and see if the current block group
has a cluster and writing out any entries that are in the cluster to the
cache, as well as writing any pinned extents we currently have to the
cache since those will be available for us to use the next time the fs
mounts.
This patch also adds a check to the end of load_free_space_cache to make
sure we got the right amount of free space cache, and if not make sure
to clear the cache and re-cache the old fashioned way.
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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root_item->flags and root_item->byte_limit are not initialized when
a subvolume is created. This bug is not revealed until we added
readonly snapshot support - now you mount a btrfs filesystem and you
may find the subvolumes in it are readonly.
To work around this problem, we steal a bit from root_item->inode_item->flags,
and use it to indicate if those fields have been properly initialized.
When we read a tree root from disk, we check if the bit is set, and if
not we'll set the flag and initialize the two fields of the root item.
Reported-by: Andreas Philipp <philipp.andreas@gmail.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Tested-by: Andreas Philipp <philipp.andreas@gmail.com>
cc: stable@kernel.org
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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the object id of the space cache inode's key is allocated from the relative
root, just like the regular file. So we can't identify space cache inode by
checking the object id of the inode's key, and we have to clear __GFP_FS flag
at the time we look up the space cache inode.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Free btrfs_trans_handle when join_transaction() fails
in start_transaction()
Signed-off-by: Yoshinori Sano <yoshinori.sano@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Call btrfs_end_transaction() if btrfs_commit_transaction_async() fails.
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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btrfs_rename() does not release the subvol_sem if the transaction failed to start.
Signed-off-by: Johann Lombardi <johann@whamcloud.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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When we defrag a file, whose size can be fit into an inline extent,
with compression enabled, the compress type is set to be
fs_info->compress_type, which is 0 if the btrfs filesystem is mounted
without compress option. This leads to oops.
Reported-by: Daniel Blueman <daniel.blueman@gmail.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Some mount options are not displayed by /proc/mounts.
This patch displays the option such as compress_type by /proc/mounts.
Ex.
[before]
$ mount | grep sdc2
/dev/sdc2 on /test12 type btrfs (rw,space_cache,compress=lzo)
$ cat /proc/mounts | grep sdc2
/dev/sdc2 /test12 btrfs rw,relatime,compress 0 0
[after]
$ mount | grep sdc2
/dev/sdc2 on /test12 type btrfs (rw,space_cache,compress=lzo)
$ cat /proc/mounts | grep sdc2
/dev/sdc2 /test12 btrfs rw,relatime,compress=lzo,space_cache 0 0
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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While compiling Btrfs, I got following messages:
CC [M] fs/btrfs/file.o
fs/btrfs/file.c: In function '__btrfs_buffered_write':
fs/btrfs/file.c:909: warning: 'ret' may be used uninitialized in this function
CC [M] fs/btrfs/tree-defrag.o
This patch fixes compiler warning.
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm: fix "persistant" typo
drm/radeon/kms: add some new ontario pci ids
drm/radeon/kms: pageflipping cleanup for avivo+
drm/radeon/kms: Add support for tv-out dongle on G5 9600
drm: export drm_find_cea_extension to drivers
drm/radeon/kms: add some sanity checks to obj info record parsingi (v2)
drm/i915: Reset GMBUS controller after NAK
drm/i915: Busy-spin wait_for condition in atomic contexts
drm/i915/lvds: Always return connected in the absence of better information
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* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Fix ftrace
microblaze: Wire up new syscalls
microblaze: Fix level/edge irq sensibility
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Update suitable words to explain / understand cgroups contents.
Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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leds: move leds-class documentation under the leds/ subdir.
Add also a leds/00-INDEX file describing the files under leds/
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Acked-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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mm/kmemleak-test.c is used to provide an example of how kmemleak
tool works.
Memory is leaked at module unload-time, so building the test
in kernel (Y) makes the leaks impossible and the test useless.
Qualify DEBUG_KMEMLEAK_TEST config symbol with "depends on m",
to restrict module-only building.
Signed-off-by: Daniel Baluta <dbaluta@ixiacom.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix some minor typos:
* informations => information
* there own => their own
* these => this
Signed-off-by: Sylvestre Ledru <sylvestre.ledru@scilab.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a little more info for some of the panic-related kernel parameters.
Fix "oops=panic" to fit in 80 columns.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add kernel-doc to syscalls in signal.c.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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General coding style and comment fixes; no code changes:
- Use multi-line-comment coding style.
- Put some function signatures completely on one line.
- Hyphenate some words.
- Spell Posix as POSIX.
- Correct typos & spellos in some comments.
- Drop trailing whitespace.
- End sentences with periods.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Besides x86 and arm, kmemleak now supports powerpc, sparc, sh,
microblaze and tile.
Signed-off-by: Daniel Baluta <dbaluta@ixiacom.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc:stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Commit f23eb2b2b285 ('tty: stop using "delayed_work" in the tty layer')
ended up causing hung machines on UP with no preemption, because the
work routine to flip the buffer data to the ldisc would endlessly re-arm
itself if the destination buffer had filled up.
With the delayed work, that only caused a timer-driving polling of the
tty state every timer tick, but without the delay we just ended up with
basically a busy loop instead.
Stop the insane polling, and instead make the code that opens up the
receive room re-schedule the buffer flip work. That's what we should
have been doing anyway.
This same "poll for tty room" issue is almost certainly also the cause
of excessive kworker activity when idle reported by Dave Jones, who also
reported "flush_to_ldisc executing 2500 times a second" back in Nov 2010:
http://lkml.org/lkml/2010/11/30/592
which is that silly flushing done every timer tick. Wasting both power
and CPU for no good reason.
Reported-and-tested-by: Alexander Beregalov <a.beregalov@gmail.com>
Reported-and-tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Cc: Greg KH <gregkh@suse.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make sure dst_release() is not called with error pointer. This is
similar to commit 4910ac6c526d2868adcb5893e0c428473de862b5 ("ipv4:
Don't ip_rt_put() an error pointer in RAW sockets.").
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, UV: Fix kdump reboot
x86, amd-nb: Rename CPU PCI id define for F4
sound: Add delay.h to sound/soc/codecs/sn95031.c
x86, mtrr, pat: Fix one cpu getting out of sync during resume
x86, microcode: Unregister syscore_ops after microcode unloaded
x86: Stop including <linux/delay.h> in two asm header files
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix rebalance interval calculation
sched, doc: Beef up load balancing description
sched: Leave sched_setscheduler() earlier if possible, do not disturb SCHED_FIFO tasks
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf: Fix task_struct reference leak
perf: Fix task context scheduling
perf: mmap 512 kiB by default
perf: Rebase max unprivileged mlock threshold on top of page size
perf tools: Fix NO_NEWT=1 python build error
perf symbols: Properly align symbol_conf.priv_size
perf tools: Emit clearer message for sys_perf_event_open ENOENT return
perf tools: Fixup exit path when not able to open events
perf symbols: Fix vsyscall symbol lookup
oprofile, x86: Allow setting EDGE/INV/CMASK for counter events
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
rcu: create new rcu_access_index() and use in mce
WARN_ON_SMP(): Add comment to explain ({0;})
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Fix build warnings caused by removal of *filp arg in struct
usb_serial_driver.
These changes were missed somehow in commits 00a0d0d65b61 ("tty: remove
filp from the USB tty ioctls") and 60b33c133ca0b ("tiocmget: kill off
the passing of the struct file")
drivers/usb/serial/mct_u232.c:159: warning: initialization from incompatible pointer type
drivers/usb/serial/opticon.c:627: warning: initialization from incompatible pointer type
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
[media] radio: wl128x: Update registration process with ST
[media] staging: altera-jtag needs delay.h
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git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32
* 'unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32:
unicore32 framebuffer fix: get videomemory by __get_free_pages() and make it floatable
unicore32 core architecture: remove duplicated #include
unicore32 rtc driver fix: cleanup irq_set_freq and irq_set_state
unicore32 fix: remove arch-specific futex support
unicore32 ldscript fix: add cacheline parameter to PERCPU() macro
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
hwmon: twl4030-madc-hwmon: add "platform:" prefix for platform modalias
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The ADJ_SETOFFSET bit added in commit 094aa188 ("ntp: Add ADJ_SETOFFSET
mode bit") also introduced a way for any user to change the system time.
Sneaky or buggy calls to adjtimex() could set
ADJ_OFFSET_SS_READ | ADJ_SETOFFSET
which would result in a successful call to timekeeping_inject_offset().
This patch fixes the issue by adding the capability check.
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the following section mismatch warning.
WARNING: drivers/rtc/built-in.o(.data+0xa0): Section mismatch in reference from the variable vrtc_mrst_platform_driver to the function .init.text:vrtc_mrst_platform_probe()
The variable vrtc_mrst_platform_driver references the function __init vrtc_mrst_platform_probe()
If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
Signed-off-by: Major Lee <major_lee@wistron.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Only the e500v1/v2 cores have HID1[RXFE] so we should attempt to set or
clear this register bit on them. Otherwise we get crashes like:
NIP: c0579f84 LR: c006d550 CTR: c0579f84
REGS: ef857ec0 TRAP: 0700 Not tainted (2.6.38.2-00072-gf15ba3c)
MSR: 00021002 <ME,CE> CR: 22044022 XER: 00000000
TASK = ef8559c0[1] 'swapper' THREAD: ef856000 CPU: 0
GPR00: c006d538 ef857f70 ef8559c0 00000000 00000004 00000000 00000000 00000000
GPR08: c0590000 c30170a8 00000000 c30170a8 00000001 0fffe000 00000000 00000000
GPR16: 00000000 7ffa0e60 00000000 00000000 7ffb0bd8 7ff3b844 c05be000 00000000
GPR24: 00000000 00000000 c05c28b0 c0579fac 00000000 00029002 00000000 c0579f84
NIP [c0579f84] mpc85xx_mc_clear_rfxe+0x0/0x28
LR [c006d550] on_each_cpu+0x34/0x50
Call Trace:
[ef857f70] [c006d538] on_each_cpu+0x1c/0x50 (unreliable)
[ef857f90] [c057a070] mpc85xx_mc_init+0xc4/0xdc
[ef857fa0] [c0001cd4] do_one_initcall+0x34/0x1a8
[ef857fd0] [c055d9d8] kernel_init+0x17c/0x218
[ef857ff0] [c000cda4] kernel_thread+0x4c/0x68
Instruction dump:
40be0018 3c60c052 3863c70c 4be9baad 3be0ffed 4bd7c99d 80010014 7fe3fb78
83e1000c 38210010 7c0803a6 4e800020 <7c11faa6> 54290024 81290008
3d60c06e
Oops: Exception in kernel mode, sig: 4 [#2]
---[ end trace 49ff3b8f93efde1a ]---
Also use the HID1_RFXE define rather than a magic number.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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PCIe memory address space is 1:1 mapped with u-boot.
Update dts of Px020RDB i.e. P1020RDB and P2020RDB to match the address map
changes in u-boot.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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On error path kfree() should get pointer to memory allocated by
kmalloc() not the address of variable holding it (which is on stack).
Signed-off-by: Mariusz Kozlowski <mk@lab.zgora.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid touching the flip setup regs while
acceleration is running. Set them at modeset
rather than during pageflip. Touching these
regs while acceleration is active caused hangs
on pre-avivo chips. These chips do not seem
to be affected, but better safe than sorry,
plus it avoids repeatedly reprogramming the
regs every flip.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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floatable
1. get videomemory by __get_free_pages() in fb-puv3.c
2. remove resource reservation for old fixed UNIGFX_MMAP & UVC_MMAP space
3. remove unused macros: PKUNTIY_UNIGFX_MMAP_BASE, PKUNITY_UNIGFX_MMAP_SIZE,
PKUNITY_UVC_MMAP_BASE, PKUNITY_UVC_MMAP_SIZE and KUSER_UNIGFX_BASE
4. remove unused header linux/vmalloc.h in fb-puv3.h
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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Remove duplicated #include('s) in
arch/unicore32/kernel/traps.c
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
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Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
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