10 years agoHWPOISON: fix oops on ksm pages
Hugh Dickins [Tue, 13 Oct 2009 14:02:11 +0000]
HWPOISON: fix oops on ksm pages

Memory failure on a KSM page currently oopses on its NULL anon_vma in
page_lock_anon_vma(): that may not be much worse than the consequence
of ignoring it, but it is better to be consistent with how ZERO_PAGE
and hugetlb pages and other awkward cases are treated.  Just skip it.

Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

10 years agoHWPOISON: Fix page count leak in hwpoison late kill in do_swap_page
Andi Kleen [Tue, 13 Oct 2009 23:51:41 +0000]
HWPOISON: Fix page count leak in hwpoison late kill in do_swap_page

When returning due to a poisoned page drop the page count.

It wasn't a fatal problem because noone cares about the page count
on a poisoned page (except when it wraps), but it's cleaner to fix it.

Pointed out by Linus.

Signed-off-by: Andi Kleen <ak@linux.intel.com>

10 years agoHWPOISON: return early on non-LRU pages
Wu Fengguang [Tue, 29 Sep 2009 05:16:20 +0000]
HWPOISON: return early on non-LRU pages

Right now we have some trouble with non atomic access
to page flags when locking the page. To plug this hole
for now, limit error recovery to LRU pages for now.

This could be better fixed by defining a suitable protocol,
but let's go this simple way for now

This avoids unnecessary races with __set_page_locked() and
__SetPageSlab*() and maybe more non-atomic page flag operations.

This loses isolated pages which are currently in page reclaim, but these
are relatively limited compared to the total memory.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
[AK: new description, bug fixes, cleanups]

10 years agoHWPOISON: Add brief hwpoison description to Documentation
Andi Kleen [Sun, 4 Oct 2009 00:28:42 +0000]
HWPOISON: Add brief hwpoison description to Documentation

Signed-off-by: Andi Kleen <ak@linux.intel.com>

10 years agoHWPOISON: Clean up PR_MCE_KILL interface
Andi Kleen [Sun, 4 Oct 2009 00:20:11 +0000]
HWPOISON: Clean up PR_MCE_KILL interface

While writing the manpage I noticed some shortcomings in the
current interface.

- Define symbolic names for all the different values
- Boundary check the kill mode values
- For symmetry add a get interface too. This allows library
code to get/set the current state.
- For consistency define a PR_MCE_KILL_DEFAULT value

Signed-off-by: Andi Kleen <ak@linux.intel.com>

10 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Sat, 3 Oct 2009 18:25:30 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of ssh://master.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (21 commits)
  ALSA: usb - Use strlcat() correctly
  ALSA: Fix invalid __exit in sound/mips/*.c
  ALSA: hda - Fix / improve ALC66x parser
  ALSA: ctxfi: Swapped SURROUND-SIDE mute
  sound: Make keywest_driver static
  ALSA: intel8x0 - Mute External Amplifier by default for Sony VAIO VGN-B1VP
  ALSA: hda - Fix digita/analog mic auto-switching with IDT codecs
  ASoC: fix kconfig order of Blackfin drivers
  ALSA: hda - Added quirk to enable sound on Toshiba NB200
  ASoC: Fix dependency of CONFIG_SND_PXA2XX_SOC_IMOTE2
  ALSA: Don't assume i2c device probing always succeeds
  ALSA: intel8x0 - Mute External Amplifier by default for Sony VAIO VGN-T350P
  ALSA: echoaudio - Re-enable the line-out control for the Mia card
  ALSA: hda - Resurrect input-source mixer of ALC268 model=acer
  ALSA: hda - Analog Devices AD1984A add HP Touchsmart model
  ALSA: hda - Add HP Pavilion dv4t-1300 to MSI whitelist
  ALSA: hda - CD-audio sound for hda-intel conexant benq laptop
  ASoC: DaVinci: Correct McASP FIFO initialization
  ASoC: Davinci: Fix race with cpu_dai->dma_data
  ASoC: DaVinci: Fix divide by zero error during 1st execution
  ...

10 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Linus Torvalds [Sat, 3 Oct 2009 18:24:19 +0000]
Merge branch 'for_linus' of git://git./linux/kernel/git/tytso/ext4

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  [PATCH] ext4: retry failed direct IO allocations
  ext4: Fix build warning in ext4_dirty_inode()
  ext4: drop ext4dev compat
  ext4: fix a BUG_ON crash by checking that page has buffers attached to it

10 years agoMerge branch 'fix/hda' into for-linus
Takashi Iwai [Sat, 3 Oct 2009 16:31:33 +0000]
Merge branch 'fix/hda' into for-linus

10 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Sat, 3 Oct 2009 16:31:22 +0000]
Merge branch 'fix/asoc' into for-linus

10 years ago[PATCH] ext4: retry failed direct IO allocations
Eric Sandeen [Sat, 3 Oct 2009 01:20:55 +0000]
[PATCH] ext4: retry failed direct IO allocations

On a 256M filesystem, doing this in a loop:

        xfs_io -F -f -d -c 'pwrite 0 64m' test
        rm -f test

eventually leads to ENOSPC.  (the xfs_io command does a
64m direct IO write to the file "test")

As with other block allocation callers, it looks like we need to
potentially retry the allocations on the initial ENOSPC.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

10 years agoext4: Fix build warning in ext4_dirty_inode()
Curt Wohlgemuth [Sat, 3 Oct 2009 01:08:32 +0000]
ext4: Fix build warning in ext4_dirty_inode()

This fixes the following warning:

fs/ext4/inode.c: In function 'ext4_dirty_inode':
fs/ext4/inode.c:5615: warning: unused variable 'current_handle'

We remove the jbd_debug() statement which does use current_handle, as
it's not terribly important in the grand scheme of things.

Thanks to Stephen Rothwell for pointing this out.

Signed-off-by: Curt Wohlgemuth <curtw@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

10 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Fri, 2 Oct 2009 23:20:43 +0000]
Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm: (25 commits)
  ARM: 5728/1: Proper prefetch abort handling on ARMv6 and ARMv7
  ARM: 5727/1: Pass IFSR register to do_PrefetchAbort()
  ARM: 5740/1: fix valid_phys_addr_range() range check
  ARM: 5739/1: ARM: allow empty ATAG_CORE
  ARM: 5735/1: sa1111: CodingStyle cleanups
  ARM: 5738/1: Correct TCM documentation
  ARM: 5734/1: arm: fix compilation of entry-common.S for older CPUs
  ARM: 5733/1: fix bcmring compile error
  ARM: 5732/1: remove redundant include file
  ARM: 5731/2: Fix U300 generic GPIO, remove ifdefs from MMCI v3
  ARM: Ensure do_cache_op takes mmap_sem
  ARM: Fix __cpuexit section mismatch warnings
  ARM: Don't allow highmem on SMP platforms without h/w TLB ops broadcast
  ARM: includecheck fix: mach-davinci, board-dm365-evm.c
  ARM: Remove unused CONFIG SA1100_H3XXX
  ARM: Fix warning: unused variable 'highmem'
  ARM: Fix warning: #warning syscall migrate_pages not implemented
  ARM: Fix SA11x0 clocksource warning
  ARM: Fix SA1100 Neponset serial section mismatch
  ARM: Fix SA1100 Assabet/Neponset PCMCIA section mismatch warnings
  ...

10 years agoARM: 5728/1: Proper prefetch abort handling on ARMv6 and ARMv7
Kirill A. Shutemov [Fri, 25 Sep 2009 12:40:49 +0000]
ARM: 5728/1: Proper prefetch abort handling on ARMv6 and ARMv7

Currently, on ARMv6 and ARMv7, if an application tries to execute
code (or garbage) on non-executable page it hangs. It caused by
incorrect prefetch abort handling. Now every prefetch abort
processes as a translation fault.

To fix this we have to analyze instruction fault status register
to figure out reason why we've got the abort and process it
accordingly.

To make IFSR different from DFSR we set bit 31 which is reserved in
both IFSR and DFSR.

This patch also tries to protect from future hangs on unexpected
exceptions. An application will be killed if unexpected exception
type was received.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

10 years agoARM: 5727/1: Pass IFSR register to do_PrefetchAbort()
Kirill A. Shutemov [Fri, 25 Sep 2009 12:39:47 +0000]
ARM: 5727/1: Pass IFSR register to do_PrefetchAbort()

Instruction fault status register, IFSR, was introduced on ARMv6 to
provide status information about the last insturction fault. It
needed for proper prefetch abort handling.

Now we have three prefetch abort model:

  * legacy - for CPUs before ARMv6. They doesn't provide neither
    IFSR nor IFAR. We simulate IFSR with section translation fault
    status for them to generalize code;
  * ARMv6 - provides IFSR, but not IFAR;
  * ARMv7 - provides both IFSR and IFAR.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

10 years agoARM: 5740/1: fix valid_phys_addr_range() range check
Greg Ungerer [Thu, 1 Oct 2009 23:45:28 +0000]
ARM: 5740/1: fix valid_phys_addr_range() range check

Commit 1522ac3ec95ff0230e7aa516f86b674fdf72866c
("Fix virtual to physical translation macro corner cases")
breaks the end of memory check in valid_phys_addr_range().
The modified expression results in the apparent /dev/mem size
being 2 bytes smaller than what it actually is.

This patch reworks the expression to correctly check the address,
while maintaining use of a valid address to __pa().

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

10 years agoARM: 5739/1: ARM: allow empty ATAG_CORE
David Brown [Thu, 1 Oct 2009 16:43:29 +0000]
ARM: 5739/1: ARM: allow empty ATAG_CORE

From: David Brown <davidb@quicinc.com>

The ATAG_CORE is allowed to be empty.  Although this is handled
by parse_tag_core(), __vet_atags during startup rejects this tag
unless it contains data.  Allow the initial tag to be either the
full size, or empty.

Signed-off-by: David Brown <davidb@quicinc.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

10 years agoARM: 5735/1: sa1111: CodingStyle cleanups
Hartley Sweeten [Tue, 29 Sep 2009 22:49:02 +0000]
ARM: 5735/1: sa1111: CodingStyle cleanups

EXPORT_* macros should follow immediately after the closing function
brace line.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

10 years agoMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/xscaleiop
Russell King [Fri, 2 Oct 2009 21:31:04 +0000]
Merge branch 'fixes' of git://git./linux/kernel/git/djbw/xscaleiop

Conflicts:
MAINTAINERS

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Fri, 2 Oct 2009 20:37:18 +0000]
Merge git://git./linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (46 commits)
  cnic: Fix NETDEV_UP event processing.
  uvesafb/connector: Disallow unpliviged users to send netlink packets
  pohmelfs/connector: Disallow unpliviged users to configure pohmelfs
  dst/connector: Disallow unpliviged users to configure dst
  dm/connector: Only process connector packages from privileged processes
  connector: Removed the destruct_data callback since it is always kfree_skb()
  connector/dm: Fixed a compilation warning
  connector: Provide the sender's credentials to the callback
  connector: Keep the skb in cn_callback_data
  e1000e/igb/ixgbe: Don't report an error if devices don't support AER
  net: Fix wrong sizeof
  net: splice() from tcp to pipe should take into account O_NONBLOCK
  net: Use sk_mark for routing lookup in more places
  sky2: irqname based on pci address
  skge: use unique IRQ name
  IPv4 TCP fails to send window scale option when window scale is zero
  net/ipv4/tcp.c: fix min() type mismatch warning
  Kconfig: STRIP: Remove stale bits of STRIP help text
  NET: mkiss: Fix typo
  tg3: Remove prev_vlan_tag from struct tx_ring_info
  ...

10 years agocnic: Fix NETDEV_UP event processing.
Michael Chan [Fri, 2 Oct 2009 18:03:28 +0000]
cnic: Fix NETDEV_UP event processing.

This fixes the problem of not handling the NETDEV_UP event properly
during hot-plug or modprobe of bnx2 after cnic.  The handling was
skipped by mistakenly using "else if" to check for the event.

Also update version to 2.0.1.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agouvesafb/connector: Disallow unpliviged users to send netlink packets
Philipp Reisner [Fri, 2 Oct 2009 02:40:11 +0000]
uvesafb/connector: Disallow unpliviged users to send netlink packets

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agopohmelfs/connector: Disallow unpliviged users to configure pohmelfs
Philipp Reisner [Fri, 2 Oct 2009 02:40:10 +0000]
pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agodst/connector: Disallow unpliviged users to configure dst
Philipp Reisner [Fri, 2 Oct 2009 02:40:09 +0000]
dst/connector: Disallow unpliviged users to configure dst

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agodm/connector: Only process connector packages from privileged processes
Philipp Reisner [Fri, 2 Oct 2009 02:40:08 +0000]
dm/connector: Only process connector packages from privileged processes

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoconnector: Removed the destruct_data callback since it is always kfree_skb()
Philipp Reisner [Fri, 2 Oct 2009 02:40:07 +0000]
connector: Removed the destruct_data callback since it is always kfree_skb()

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Acked-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoconnector/dm: Fixed a compilation warning
Philipp Reisner [Fri, 2 Oct 2009 02:40:06 +0000]
connector/dm: Fixed a compilation warning

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Acked-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoconnector: Provide the sender's credentials to the callback
Philipp Reisner [Fri, 2 Oct 2009 02:40:05 +0000]
connector: Provide the sender's credentials to the callback

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Acked-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoconnector: Keep the skb in cn_callback_data
Philipp Reisner [Fri, 2 Oct 2009 02:40:04 +0000]
connector: Keep the skb in cn_callback_data

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Acked-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoe1000e/igb/ixgbe: Don't report an error if devices don't support AER
Frans Pop [Fri, 2 Oct 2009 17:04:12 +0000]
e1000e/igb/ixgbe: Don't report an error if devices don't support AER

The only error returned by pci_{en,dis}able_pcie_error_reporting() is
-EIO which simply means that Advanced Error Reporting is not supported.
There is no need to report that, so remove the error check from e1000e,
igb and ixgbe.

Signed-off-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agonet: Fix wrong sizeof
Jean Delvare [Fri, 2 Oct 2009 16:55:19 +0000]
net: Fix wrong sizeof

Which is why I have always preferred sizeof(struct foo) over
sizeof(var).

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agonet: splice() from tcp to pipe should take into account O_NONBLOCK
Eric Dumazet [Thu, 1 Oct 2009 22:26:00 +0000]
net: splice() from tcp to pipe should take into account O_NONBLOCK

tcp_splice_read() doesnt take into account socket's O_NONBLOCK flag

Before this patch :

splice(socket,0,pipe,0,128*1024,SPLICE_F_MOVE);
causes a random endless block (if pipe is full) and
splice(socket,0,pipe,0,128*1024,SPLICE_F_MOVE | SPLICE_F_NONBLOCK);
will return 0 immediately if the TCP buffer is empty.

User application has no way to instruct splice() that socket should be in blocking mode
but pipe in nonblock more.

Many projects cannot use splice(tcp -> pipe) because of this flaw.

http://git.samba.org/?p=samba.git;a=history;f=source3/lib/recvfile.c;h=ea0159642137390a0f7e57a123684e6e63e47581;hb=HEAD
http://lkml.indiana.edu/hypermail/linux/kernel/0807.2/0687.html

Linus introduced  SPLICE_F_NONBLOCK in commit 29e350944fdc2dfca102500790d8ad6d6ff4f69d
(splice: add SPLICE_F_NONBLOCK flag )

  It doesn't make the splice itself necessarily nonblocking (because the
  actual file descriptors that are spliced from/to may block unless they
  have the O_NONBLOCK flag set), but it makes the splice pipe operations
  nonblocking.

Linus intention was clear : let SPLICE_F_NONBLOCK control the splice pipe mode only

This patch instruct tcp_splice_read() to use the underlying file O_NONBLOCK
flag, as other socket operations do.

Users will then call :

splice(socket,0,pipe,0,128*1024,SPLICE_F_MOVE | SPLICE_F_NONBLOCK );

to block on data coming from socket (if file is in blocking mode),
and not block on pipe output (to avoid deadlock)

First version of this patch was submitted by Octavian Purdila

Reported-by: Volker Lendecke <vl@samba.org>
Reported-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoALSA: usb - Use strlcat() correctly
Takashi Iwai [Fri, 2 Oct 2009 12:06:08 +0000]
ALSA: usb - Use strlcat() correctly

Don't pass the advanced position to strlcat() but just gives the buffer
head position so that the max size limit can be checked correctly.
Introduced a new helper function to standaralize strlcat() calls.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

10 years agoALSA: Fix invalid __exit in sound/mips/*.c
Takashi Iwai [Fri, 2 Oct 2009 09:04:54 +0000]
ALSA: Fix invalid __exit in sound/mips/*.c

The remove callback has to be marked as __devexit, as the dynamic unbind
is possible.

Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

10 years agoALSA: hda - Fix / improve ALC66x parser
Takashi Iwai [Fri, 2 Oct 2009 07:03:58 +0000]
ALSA: hda - Fix / improve ALC66x parser

The auto-parser for ALC662/663/272 codecs doesn't work properly when
a speaker is connected to mono NID 0x17, and doesn't handle the dynamic
DAC assignment properly.

This patch fixes the issues and also improves the assignment of DACs
so that HP and speakers can have independent volume controls.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

10 years agoALSA: ctxfi: Swapped SURROUND-SIDE mute
Sven Eckelmann [Thu, 1 Oct 2009 18:06:39 +0000]
ALSA: ctxfi: Swapped SURROUND-SIDE mute

On Soundblaster X-FI Titenium with emu20k2 the SIDE and SURROUND mute
functions are swapped.
It was checked with 'speaker-test -c 8 -s 3' and (un)mute surround or
'speaker-test -c 8 -s 7' and (un)mute side. The volume seems not
to be affected and works as expected.

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

10 years agosound: Make keywest_driver static
Jean Delvare [Thu, 1 Oct 2009 16:08:18 +0000]
sound: Make keywest_driver static

I can't see any reason for struct i2c_driver keywest_driver to not be
static.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

10 years agoALSA: intel8x0 - Mute External Amplifier by default for Sony VAIO VGN-B1VP
Daniel T Chen [Thu, 1 Oct 2009 22:56:30 +0000]
ALSA: intel8x0 - Mute External Amplifier by default for Sony VAIO VGN-B1VP

BugLink: https://bugs.launchpad.net/bugs/410933

This Sony VAIO model also needs External Amplifier unmuted for audible
playback, so make sure we set the inv_eapd quirk.

Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

10 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs...
Linus Torvalds [Fri, 2 Oct 2009 03:23:15 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/btrfs-unstable

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: fix data space leak fix
  Btrfs: remove duplicates of filemap_ helpers
  Btrfs: take i_mutex before generic_write_checks
  Btrfs: fix arguments to btrfs_wait_on_page_writeback_range
  Btrfs: fix deadlock with free space handling and user transactions
  Btrfs: fix error cases for ioctl transactions
  Btrfs: Use CONFIG_BTRFS_POSIX_ACL to enable ACL code
  Btrfs: introduce missing kfree
  Btrfs: Fix setting umask when POSIX ACLs are not enabled
  Btrfs: proper -ENOSPC handling

10 years agospi-imx: strip down chipselect function to only drive the chipselect
Uwe Kleine-König [Thu, 1 Oct 2009 22:44:33 +0000]
spi-imx: strip down chipselect function to only drive the chipselect

spi_imx_chipselect() made things that should be (and mostly are) done by
spi_imx_setupxfer.  Only setting the tx and rx functions was missing.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agospi-imx: initialize complete config struct
Uwe Kleine-König [Thu, 1 Oct 2009 22:44:32 +0000]
spi-imx: initialize complete config struct

Otherwise the config function uses random data from the stack.  This
didn't stick out because config is called once more in the chipselect
function with correct parameters.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agospi-imx: no need to assert bits_per_word being initialized
Uwe Kleine-König [Thu, 1 Oct 2009 22:44:31 +0000]
spi-imx: no need to assert bits_per_word being initialized

spi_imx_setup() is only called by spi_setup().  The latter does the
initialization already.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agospi-imx: setup mode_bits we can handle
Sascha Hauer [Thu, 1 Oct 2009 22:44:30 +0000]
spi-imx: setup mode_bits we can handle

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agospi-imx: fix initial chipselect settings
Sascha Hauer [Thu, 1 Oct 2009 22:44:29 +0000]
spi-imx: fix initial chipselect settings

We can only setup the gpio pins in spi_setup time when we know the
SPI_CS_HIGH setting.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agospi-imx: update state correctly
Sascha Hauer [Thu, 1 Oct 2009 22:44:29 +0000]
spi-imx: update state correctly

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agospi-imx: rename source file to spi_imx.c
Uwe Kleine-König [Thu, 1 Oct 2009 22:44:28 +0000]
spi-imx: rename source file to spi_imx.c

This makes the filename match the Kconfig symbol and the driver name.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoafs: remove cache.h
Christoph Hellwig [Thu, 1 Oct 2009 22:44:27 +0000]
afs: remove cache.h

It's just a wrapper for <linux/fscache.h>, so remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agosscanf(): fix %*s%n
Andy Spencer [Thu, 1 Oct 2009 22:44:27 +0000]
sscanf(): fix %*s%n

When using %*s, sscanf should honor conversion specifiers immediately
following the %*s.  For example, the following code should find the
position of the end of the string "hello".

  int end;
  char buf[] = "hello    world";
  sscanf(buf, "%*s%n", &end);
  printf("%d\n", end);

Ideally, sscanf would advance the fmt and str pointers the same as it
would without the *, but the code for that is rather complicated and is
not included in the patch.

Signed-off-by: Andy Spencer <andy753421@gmail.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoserial: add parameter to force skipping the test for the TXEN bug
Chuck Ebbert [Thu, 1 Oct 2009 22:44:26 +0000]
serial: add parameter to force skipping the test for the TXEN bug

Allow users to force skipping the TXEN test at init time. Applies
to all serial ports. Intended for debugging only.

There is a blacklist for devices where we need to skip the test but the
list is not complete.  This lets users force skipping the test so we can
determine if they need to be added to the list.

Some HP machines with weird serial consoles have this problem and there
may be more.

Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoserial167: fix read buffer overflow
Roel Kluin [Thu, 1 Oct 2009 22:44:25 +0000]
serial167: fix read buffer overflow

Check whether index is within bounds before grabbing the element.

Also, since NR_PORTS is defined ARRAY_SIZE(cy_port), cy_port[NR_PORTS] is
out of bounds as well.

[akpm@linux-foundation.org: cleanup, remove (long) casts]
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocyclades: fix read buffer overflow
Roel Kluin [Thu, 1 Oct 2009 22:44:24 +0000]
cyclades: fix read buffer overflow

irq is declared with size NR_CARDS (4), but the loop containing this
segment runs up until NR_ISA_ADDRS (16), possibly reading from irq[i] (and
trying to use the result)

Identified by the Parfait static scanner.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoicom: convert space to tabs
Breno Leitao [Thu, 1 Oct 2009 22:44:23 +0000]
icom: convert space to tabs

Convert spaces to tabs and remove wrong spaces

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Cc: Scott Kilau <Scott.Kilau@digi.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoserial_txx9: use container_of() instead of direct cast
Atsushi Nemoto [Thu, 1 Oct 2009 22:44:22 +0000]
serial_txx9: use container_of() instead of direct cast

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: add better support for no card detect or write protect available
Ben Dooks [Thu, 1 Oct 2009 22:44:21 +0000]
s3cmci: add better support for no card detect or write protect available

Add better support for omitting either the card detect or the write
protect GPIOs if the board does not support it.  Add the fields
no_wprotect and no_detect to the platform data which when set indicate the
absence of the respective GPIOs.

Note, this also fixes a minor bug where it tries to free IRQ0 if there is
no detect gpio available.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: make SDIO IRQ hardware IRQ support build-time configurable
Ben Dooks [Thu, 1 Oct 2009 22:44:20 +0000]
s3cmci: make SDIO IRQ hardware IRQ support build-time configurable

We have found a couple of boards where the SDIO IRQ hardware support has
failed to work properly, and thus we should make it configurable whether
or not to be included in the driver.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: DMA fixes
Ben Dooks [Thu, 1 Oct 2009 22:44:19 +0000]
s3cmci: DMA fixes

Fixes for the DMA transfer mode of the driver to try and improve the state
of the code:

- Ensure that dma_complete is set during the end of the command phase
  so that transfers do not stall awaiting the completion

- Update the DMA debugging to provide a bit more useful information
  such as how many DMA descriptors where not processed and print the
  DMA addresses in hexadecimal.

- Fix the DMA channel request code to actually request DMA for the
  S3CMCI block instead of whatever '0' signified.

- Add fallback to PIO if we cannot get the DMA channel, as many of the
  devices with this block only have a limited number of DMA channels.

- Only try and claim and free the DMA channel if we are trying to use it.

This improves the driver DMA code to the point where it can now identify a
card and read the partition table.  However the DMA can still stall when
trying to move data between the host and memory.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: Kconfig selection for PIO/DMA/Both
Ben Dooks [Thu, 1 Oct 2009 22:44:18 +0000]
s3cmci: Kconfig selection for PIO/DMA/Both

Add a selection for the data transfer mode of the s3cmci driver, allowing
for either a configuration or rumtime selection of the use of the DMA or
PIO transfer code.

The PIO only mode is 476 bytes smaller than the driver with both methods
compiled in.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: add SDIO IRQ support
Ben Dooks [Thu, 1 Oct 2009 22:44:18 +0000]
s3cmci: add SDIO IRQ support

The controller supports SDIO IRQ detection so add support for hardware
assisted SDIO interrupt detection for the SDIO core.  This improves the
response time for SDIO interrupts and thus the transfer rate from devices
such as the Marvel 8686.

As a note, it does seem that the controller will miss an IRQ than is held
asserted, so there are some manual checks to see if the SDIO interrupt is
active after a transfer.

Major testing on the S3C2440.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: add debugfs support for examining driver and hardware state
Ben Dooks [Thu, 1 Oct 2009 22:44:17 +0000]
s3cmci: add debugfs support for examining driver and hardware state

Export driver state and hardware register state via debugfs entries
created under a directory formed from dev_name() on the probed device when
CONFIG_DEBUG_FS is set.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: fix direct write to interrupt mask
Ben Dooks [Thu, 1 Oct 2009 22:44:16 +0000]
s3cmci: fix direct write to interrupt mask

The clear_imask() call should be used to clear the interrupt mask
register, as it may end up clearing the SDIO interrupt bit if this is
enabled.

Change all writes of zero to SDIIMSK register to use clear_imask() ready
for the SDIO updates.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: change to use dev_pm_ops
Ben Dooks [Thu, 1 Oct 2009 22:44:15 +0000]
s3cmci: change to use dev_pm_ops

Move to using dev_pm_ops for suspend and resume.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: change GPIO to gpiolib from S3C24XX specific calls
Ben Dooks [Thu, 1 Oct 2009 22:44:15 +0000]
s3cmci: change GPIO to gpiolib from S3C24XX specific calls

Move to using gpiolib to access the card detect and write protect GPIO
lines instead of using the platform speicifc s3c2410_gpio calls.

Also ensure that the card lines are claimed the same way to avoid overlap
with any other drivers.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: update probe to use new platform id list
Ben Dooks [Thu, 1 Oct 2009 22:44:14 +0000]
s3cmci: update probe to use new platform id list

Use the platform id list to match the three different versions of the
hardware block that this driver supports.

This will change the prefix of the console messages produced by this
driver to be prefixed by s3c-mci instead of the hardware block name, such
as s3c2440-mci.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agos3cmci: use resource_size() instead of local macro
Ben Dooks [Thu, 1 Oct 2009 22:44:13 +0000]
s3cmci: use resource_size() instead of local macro

Replace the local definition RESSIZE() with the standard resource_size()
call for getting the size of a struct resource.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomemcg: reduce check for softlimit excess
KAMEZAWA Hiroyuki [Thu, 1 Oct 2009 22:44:12 +0000]
memcg: reduce check for softlimit excess

In charge/uncharge/reclaim path, usage_in_excess is calculated repeatedly
and it takes res_counter's spin_lock every time.

This patch removes unnecessary calls for res_count_soft_limit_excess.

Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomemcg: some modification to softlimit under hierarchical memory reclaim.
KAMEZAWA Hiroyuki [Thu, 1 Oct 2009 22:44:11 +0000]
memcg: some modification to softlimit under hierarchical memory reclaim.

This patch clean up/fixes for memcg's uncharge soft limit path.

Problems:
  Now, res_counter_charge()/uncharge() handles softlimit information at
  charge/uncharge and softlimit-check is done when event counter per memcg
  goes over limit. Now, event counter per memcg is updated only when
  memory usage is over soft limit. Here, considering hierarchical memcg
  management, ancesotors should be taken care of.

  Now, ancerstors(hierarchy) are handled in charge() but not in uncharge().
  This is not good.

  Prolems:
  1. memcg's event counter incremented only when softlimit hits. That's bad.
     It makes event counter hard to be reused for other purpose.

  2. At uncharge, only the lowest level rescounter is handled. This is bug.
     Because ancesotor's event counter is not incremented, children should
     take care of them.

  3. res_counter_uncharge()'s 3rd argument is NULL in most case.
     ops under res_counter->lock should be small. No "if" sentense is better.

Fixes:
  * Removed soft_limit_xx poitner and checks in charge and uncharge.
    Do-check-only-when-necessary scheme works enough well without them.

  * make event-counter of memcg incremented at every charge/uncharge.
    (per-cpu area will be accessed soon anyway)

  * All ancestors are checked at soft-limit-check. This is necessary because
    ancesotor's event counter may never be modified. Then, they should be
    checked at the same time.

Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocgroup: catch bad css refcnt at css_put
KAMEZAWA Hiroyuki [Thu, 1 Oct 2009 22:44:09 +0000]
cgroup: catch bad css refcnt at css_put

__css_put() doesn't check a bug as refcnt goes to minus.
I think it should be caught. This patch adds a check for it.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomemcg: fix refcnt going negative
KAMEZAWA Hiroyuki [Thu, 1 Oct 2009 22:44:08 +0000]
memcg: fix refcnt going negative

__mem_cgroup_largest_soft_limit_node() returns a mem_cgroup_per_zone "mz"
with incremnted mz->mem->css's refcnt.  Then, the caller of this function
has to call css_put(mz->mem->css).

But, mz can be !NULL even if "not found" i.e.  without css_get().  By
this, css->refcnt will go down to minus.

This may cause various things...one of results will be
initite-loop in css_tryget()  as this.

INFO: RCU detected CPU 0 stall (t=10000 jiffies)
sending NMI to all CPUs:
NMI backtrace for cpu 0
CPU 0:
<snip>

 <<EOE>>  <IRQ>  [<ffffffff810884bd>] trace_hardirqs_off+0xd/0x10
  [<ffffffff8102a940>] flat_send_IPI_mask+0x90/0xb0
  [<ffffffff8102a9c9>] flat_send_IPI_all+0x69/0x70
  [<ffffffff81027372>] arch_trigger_all_cpu_backtrace+0x62/0xa0
  [<ffffffff810bff8e>] __rcu_pending+0x7e/0x370
  [<ffffffff810c02c7>] rcu_check_callbacks+0x47/0x130
  [<ffffffff81063a26>] update_process_times+0x46/0x70
  [<ffffffff81085930>] tick_sched_timer+0x60/0x160
  [<ffffffff810858d0>] ? tick_sched_timer+0x0/0x160
  [<ffffffff8107a03a>] __run_hrtimer+0xba/0x150
  [<ffffffff8107a325>] hrtimer_interrupt+0xd5/0x1b0
  [<ffffffff81426dfe>] ? trace_hardirqs_off_thunk+0x3a/0x3c
  [<ffffffff8142cacd>] smp_apic_timer_interrupt+0x6d/0x9b
  [<ffffffff8100cb33>] apic_timer_interrupt+0x13/0x20
  <EOI>  [<ffffffff811317b6>] ? mem_cgroup_walk_tree+0x156/0x180
  [<ffffffff811316d3>] ? mem_cgroup_walk_tree+0x73/0x180
  [<ffffffff81131692>] ? mem_cgroup_walk_tree+0x32/0x180
  [<ffffffff81131a00>] ? mem_cgroup_get_local_stat+0x0/0x110
  [<ffffffff81131d5b>] ? mem_control_stat_show+0x14b/0x330
  [<ffffffff810a57fd>] ? cgroup_seqfile_show+0x3d/0x60

Above shows CPU0 caught in css_tryget()'s inifinite loop because
of bad refcnt.

This is a fix to set mz=NULL at the top of retry path.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agouartlite: allow building for timberdale MFD
Richard Röjfors [Thu, 1 Oct 2009 22:44:07 +0000]
uartlite: allow building for timberdale MFD

Some configurations of the Timberdale FPGA has the uartlite
included.

Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agodocs: update patch size in SubmittingPatches
Randy Dunlap [Thu, 1 Oct 2009 22:44:06 +0000]
docs: update patch size in SubmittingPatches

This patch size comment is like so last millenium.  Update it to modern
times.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agosdio: pass whitelisted cis funce tuples to sdio drivers
Albert Herranz [Thu, 1 Oct 2009 22:44:05 +0000]
sdio: pass whitelisted cis funce tuples to sdio drivers

Some manufacturers provide vendor information in non-vendor specific CIS
tuples.  For example, Broadcom uses an Extended Function tuple to provide
the MAC address on some of their network cards, as in the case of the
Nintendo Wii WLAN daughter card.

This patch allows passing whitelisted FUNCE tuples unknown to the SDIO
core to a matching SDIO driver instead of rejecting them and failing.

Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomm/rmap.c: fix comment
Huang Shijie [Thu, 1 Oct 2009 22:44:04 +0000]
mm/rmap.c: fix comment

The page_address_in_vma() is not only used in unuse_vma().

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agox86: fix csum_ipv6_magic asm memory clobber
Samuel Thibault [Thu, 1 Oct 2009 22:44:02 +0000]
x86: fix csum_ipv6_magic asm memory clobber

Just like ip_fast_csum, the assembly snippet in csum_ipv6_magic needs a
memory clobber, as it is only passed the address of the buffer, not a
memory reference to the buffer itself.

This caused failures in Hurd's pfinetv4 when we tried to compile it with
gcc-4.3 (bogus checksums).

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: "David S. Miller" <davem@davemloft.net>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomn10300: fix kernel build failures when using gcc-4.x
Mark Salter [Thu, 1 Oct 2009 22:44:01 +0000]
mn10300: fix kernel build failures when using gcc-4.x

Fix some build failures when using gcc-4.x for MN10300.

Firstly, __get_user() fails to build because the pointer points to a const and
__gu_val ends up being read-only:

In file included from include/linux/mempolicy.h:62,
                 from init/main.c:50:
include/linux/pagemap.h: In function 'fault_in_pages_readable':
include/linux/pagemap.h:394: error: read-only variable '__gu_val' used as 'asm' output
include/linux/pagemap.h:394: error: read-only variable '__gu_val' used as 'asm' output
include/linux/pagemap.h:394: error: read-only variable '__gu_val' used as 'asm' output
include/linux/pagemap.h:400: error: read-only variable '__gu_val' used as 'asm' output
include/linux/pagemap.h:400: error: read-only variable '__gu_val' used as 'asm' output
include/linux/pagemap.h:400: error: read-only variable '__gu_val' used as 'asm' output
make[1]: *** [init/main.o] Error 1

Secondly, gcc-4 doesn't allow casts of lvalues:

  UPD     include/linux/compile.h
arch/mn10300/kernel/rtc.c: In function 'calibrate_clock':
arch/mn10300/kernel/rtc.c:170: error: lvalue required as left operand of assignment
arch/mn10300/kernel/rtc.c:172: error: lvalue required as left operand of assignment
make[1]: *** [arch/mn10300/kernel/rtc.o] Error 1

These are seen with gcc 4.2.1.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoMAINTAINERS: ARM/Palm file patterns
Joe Perches [Thu, 1 Oct 2009 22:43:59 +0000]
MAINTAINERS: ARM/Palm file patterns

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Tomas Cech <sleep_walker@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoChar: vt_ioctl, fix BKL imbalance
Jiri Slaby [Thu, 1 Oct 2009 22:43:59 +0000]
Char: vt_ioctl, fix BKL imbalance

Stanse found (again) a BKL imbalance in vt_ioctl.

It's easily triggerable by ioctl(dev_tty_fd, VT_SETACTIVATE, NULL);

Introduced by

commit d3b5cffcf84a8bdc7073dce4745d67c72629af85                                 Author: Alan Cox <alan@linux.intel.com>
Date:   Sat Sep 19 13:13:26 2009 -0700

    vt: add an activate and lock

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agorevert "m68k: convert to asm-generic/hardirq.h"
Andrew Morton [Thu, 1 Oct 2009 22:43:57 +0000]
revert "m68k: convert to asm-generic/hardirq.h"

Revert 45d80eea87c9f8292d2d33173d6866c0ec57238a ("m68k: convert to
asm-generic/hardirq.h") - it fails to compile due to an inclusion tangle:

In file included from include/linux/irq.h:12,
                 from include/asm-generic/hardirq.h:6,
                 from /usr/src/devel/arch/m68k/include/asm/hardirq_mm.h:6,
                 from /usr/src/devel/arch/m68k/include/asm/hardirq.h:4,
                 from include/linux/hardirq.h:10,
                 from /usr/src/devel/arch/m68k/include/asm/system_mm.h:69,
                 from /usr/src/devel/arch/m68k/include/asm/system.h:4,
                 from include/linux/list.h:7,
                 from include/linux/preempt.h:11,
                 from include/linux/spinlock.h:50,
                 from include/linux/seqlock.h:29,
                 from include/linux/time.h:8,
                 from include/linux/timex.h:56,
                 from include/linux/sched.h:56,
                 from arch/m68k/kernel/asm-offsets.c:14:
include/linux/smp.h:17: error: field 'list' has incomplete type

Cc: Christoph Hellwig <hch@lst.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoasm-generic/gpio.h: pull in linux/kernel.h for might_sleep()
Mike Frysinger [Thu, 1 Oct 2009 22:43:56 +0000]
asm-generic/gpio.h: pull in linux/kernel.h for might_sleep()

The asm-generic/gpio.h header uses the might_sleep() macro but doesn't
include the header for it, so any source code that might include
linux/gpio.h before linux/kernel.h can easily lead to a build failure.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoconst: constify remaining file_operations
Alexey Dobriyan [Thu, 1 Oct 2009 22:43:56 +0000]
const: constify remaining file_operations

[akpm@linux-foundation.org: fix KVM]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agodrivers/input/input.c: fix CONFIG_PM=n warning
Andrew Morton [Thu, 1 Oct 2009 22:43:55 +0000]
drivers/input/input.c: fix CONFIG_PM=n warning

drivers/input/input.c:1277: warning: 'input_dev_reset' defined but not used

Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomodule: fix up CONFIG_KALLSYMS=n build.
Paul Mundt [Thu, 1 Oct 2009 22:43:54 +0000]
module: fix up CONFIG_KALLSYMS=n build.

Starting from commit 4a4962263f07d14660849ec134ee42b63e95ea9a "reduce
symbol table for loaded modules (v2)", the kernel/module.c build is broken
with CONFIG_KALLSYMS disabled.

CC kernel/module.o
kernel/module.c:1995: warning: type defaults to 'int' in declaration of 'Elf_Hdr'
kernel/module.c:1995: error: expected ';', ',' or ')' before '*' token
kernel/module.c: In function 'load_module':
kernel/module.c:2203: error: 'strmap' undeclared (first use in this function)
kernel/module.c:2203: error: (Each undeclared identifier is reported only once
kernel/module.c:2203: error: for each function it appears in.)
kernel/module.c:2239: error: 'symoffs' undeclared (first use in this function)
kernel/module.c:2239: error: implicit declaration of function 'layout_symtab'
kernel/module.c:2240: error: 'stroffs' undeclared (first use in this function)
make[1]: *** [kernel/module.o] Error 1
make: *** [kernel/module.o] Error 2

There are three different issues:

    - layout_symtab() takes a const Elf_Ehdr

    - layout_symtab() needs to return a value

    - symoffs/stroffs/strmap are referenced by the load_module() code
      despite being ifdefed out, which seems unnecessary given the noop
      behaviour of layout_symtab()/add_kallsyms() in the case of
      CONFIG_KALLSYMS=n.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Jan Beulich <jbeulich@novell.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agonet: Use sk_mark for routing lookup in more places
Atis Elsts [Thu, 1 Oct 2009 22:16:49 +0000]
net: Use sk_mark for routing lookup in more places

This patch against v2.6.31 adds support for route lookup using sk_mark in some
more places. The benefits from this patch are the following.
First, SO_MARK option now has effect on UDP sockets too.
Second, ip_queue_xmit() and inet_sk_rebuild_header() could fail to do routing
lookup correctly if TCP sockets with SO_MARK were used.

Signed-off-by: Atis Elsts <atis@mikrotik.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>

10 years agosky2: irqname based on pci address
Stephen Hemminger [Thu, 1 Oct 2009 07:11:46 +0000]
sky2: irqname based on pci address

This is based on Michal Schmidt fix for skge.

Most network drivers request their IRQ when the interface is activated.
sky2 does it in ->probe() instead, because it can work with two-port
cards where the two net_devices use the same IRQ. This works fine most
of the time, except in some situations when the interface gets renamed.
Consider this example:

1. modprobe sky2
   The card is detected as eth0 and requests IRQ 17. Directory
   /proc/irq/17/eth0 is created.
2. There is an udev rule which says this interface should be called
   eth1, so udev renames eth0 -> eth1.
3. modprobe 8139too
   The Realtek card is detected as eth0. It will be using IRQ 17 too.
4. ip link set eth0 up
   Now 8139too requests IRQ 17.

The result is:
WARNING: at fs/proc/generic.c:590 proc_register ...
proc_dir_entry '17/eth0' already registered

The fix is for sky2 to name the irq based on the pci device, as is done
by some other devices DRM, infiniband, ...  ie. sky2@pci:0000:00:00

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Reviewed-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoskge: use unique IRQ name
Michal Schmidt [Thu, 1 Oct 2009 08:13:23 +0000]
skge: use unique IRQ name

Most network drivers request their IRQ when the interface is activated.
skge does it in ->probe() instead, because it can work with two-port
cards where the two net_devices use the same IRQ. This works fine most
of the time, except in some situations when the interface gets renamed.
Consider this example:

1. modprobe skge
   The card is detected as eth0 and requests IRQ 17. Directory
   /proc/irq/17/eth0 is created.
2. There is an udev rule which says this interface should be called
   eth1, so udev renames eth0 -> eth1.
3. modprobe 8139too
   The Realtek card is detected as eth0. It will be using IRQ 17 too.
4. ip link set eth0 up
   Now 8139too requests IRQ 17.

The result is:
WARNING: at fs/proc/generic.c:590 proc_register ...
proc_dir_entry '17/eth0' already registered
...
And "ls /proc/irq/17" shows two subdirectories, both called eth0.

Fix it by using a unique name for skge's IRQ, based on the PCI address.
The naming from the example then looks like this:
$ grep skge /proc/interrupts
 17:        169   IO-APIC-fasteoi   skge@pci:0000:00:0a.0, eth0

irqbalance daemon will have to be taught to recognize "skge@" as an
Ethernet interrupt. This will be a one-liner addition in classify.c. I
will send a patch to irqbalance if this change is accepted.

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoIPv4 TCP fails to send window scale option when window scale is zero
Ori Finkelman [Thu, 1 Oct 2009 06:41:59 +0000]
IPv4 TCP fails to send window scale option when window scale is zero

Acknowledge TCP window scale support by inserting the proper option in SYN/ACK
and SYN headers even if our window scale is zero.

This fixes the following observed behavior:

1. Client sends a SYN with TCP window scaling option and non zero window scale
value to a Linux box.
2. Linux box notes large receive window from client.
3. Linux decides on a zero value of window scale for its part.
4. Due to compare against requested window scale size option, Linux does not to
 send windows scale TCP option header on SYN/ACK at all.

With the following result:

Client box thinks TCP window scaling is not supported, since SYN/ACK had no
TCP window scale option, while Linux thinks that TCP window scaling is
supported (and scale might be non zero), since SYN had  TCP window scale
option and we have a mismatched idea between the client and server
regarding window sizes.

Probably it also fixes up the following bug (not observed in practice):

1. Linux box opens TCP connection to some server.
2. Linux decides on zero value of window scale.
3. Due to compare against computed window scale size option, Linux does
not to set windows scale TCP  option header on SYN.

With the expected result that the server OS does not use window scale option
due to not receiving such an option in the SYN headers, leading to suboptimal
performance.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Signed-off-by: Ori Finkelman <ori@comsleep.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agonet/ipv4/tcp.c: fix min() type mismatch warning
Andrew Morton [Thu, 1 Oct 2009 22:02:20 +0000]
net/ipv4/tcp.c: fix min() type mismatch warning

net/ipv4/tcp.c: In function 'do_tcp_setsockopt':
net/ipv4/tcp.c:2050: warning: comparison of distinct pointer types lacks a cast

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoKconfig: STRIP: Remove stale bits of STRIP help text
Ralf Baechle [Thu, 1 Oct 2009 21:49:14 +0000]
Kconfig: STRIP: Remove stale bits of STRIP help text

Remove references to dead web site mosquitonet.Stanford.EDU.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoNET: mkiss: Fix typo
Ralf Baechle [Thu, 1 Oct 2009 21:48:25 +0000]
NET: mkiss: Fix typo

This typo was introduced by 5793f4be23f0171b4999ca68a39a9157b44139f3 on
October 14, 2005 ...

Reported-by: Matti Aarnio <matti.aarnio@zmailer.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agotg3: Remove prev_vlan_tag from struct tx_ring_info
Eric Dumazet [Thu, 1 Oct 2009 21:37:34 +0000]
tg3: Remove prev_vlan_tag from struct tx_ring_info

prev_vlan_tag field is not used.

Patch saves 512*8 bytes per tx queue ring on 64bit arches.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Matthew Carlson <mcarlson@broadcom.com>

10 years agomove virtnet_remove to .devexit.text
Uwe Kleine-König [Wed, 30 Sep 2009 22:28:34 +0000]
move virtnet_remove to .devexit.text

The function virtnet_remove is used only wrapped by __devexit_p so define
it using __devexit.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Alex Williamson <alex.williamson@hp.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agodon't use __devexit_p to wrap sgiseeq_remove
Uwe Kleine-König [Wed, 30 Sep 2009 22:28:26 +0000]
don't use __devexit_p to wrap sgiseeq_remove

The function sgiseeq_remove is defined using __exit, so don't use
__devexit_p but __exit_p to wrap it.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Wang Chen <wangchen@cn.fujitsu.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agodon't use __devexit_p to wrap meth_remove
Uwe Kleine-König [Wed, 30 Sep 2009 22:28:17 +0000]
don't use __devexit_p to wrap meth_remove

The function meth_remove is defined using __exit, so don't use __devexit_p
but __exit_p to wrap it.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agobonding: set primary param via sysfs
Jiri Pirko [Fri, 18 Sep 2009 02:13:22 +0000]
bonding: set primary param via sysfs

Primary module parameter passed to bonding is pernament. That means if you
release the primary slave and enslave it again, it becomes the primary slave
again. But if you set primary slave via sysfs, the primary slave is only set
once and it's not remembered in bond->params structure. Therefore the setting is
lost after releasing the primary slave. This simple one-liner fixes this.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs...
Chris Mason [Thu, 1 Oct 2009 21:24:44 +0000]
Merge branch 'master' of git://git./linux/kernel/git/mason/btrfs-unstable into for-linus

10 years agoBtrfs: fix data space leak fix
Josef Bacik [Thu, 1 Oct 2009 21:10:23 +0000]
Btrfs: fix data space leak fix

There is a problem where page_mkwrite can be called on a dirtied page that
already has a delalloc range associated with it.  The fix is to clear any
delalloc bits for the range we are dirtying so the space accounting gets
handled properly.  This is the same thing we do in the normal write case, so we
are consistent across the board.  With this patch we no longer leak reserved
space.

Signed-off-by: Josef Bacik <jbacik@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

10 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
David S. Miller [Thu, 1 Oct 2009 19:43:07 +0000]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6

10 years agoBtrfs: remove duplicates of filemap_ helpers
Christoph Hellwig [Thu, 1 Oct 2009 16:58:30 +0000]
Btrfs: remove duplicates of filemap_ helpers

Use filemap_fdatawrite_range and filemap_fdatawait_range instead of
local copies of the functions.  For filemap_fdatawait_range that
also means replacing the awkward old wait_on_page_writeback_range
calling convention with the regular filemap byte offsets.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

10 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs...
Chris Mason [Thu, 1 Oct 2009 16:58:13 +0000]
Merge branch 'master' of git://git./linux/kernel/git/mason/btrfs-unstable into for-linus

10 years agopktgen: Fix delay handling
Eric Dumazet [Thu, 1 Oct 2009 16:29:45 +0000]
pktgen: Fix delay handling

After last pktgen changes, delay handling is wrong.

pktgen actually sends packets at full line speed.

Fix is to update pkt_dev->next_tx even if spin() returns early,
so that next spin() calls have a chance to see a positive delay.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoBtrfs: take i_mutex before generic_write_checks
Chris Mason [Thu, 1 Oct 2009 16:29:10 +0000]
Btrfs: take i_mutex before generic_write_checks

btrfs_file_write was incorrectly calling generic_write_checks without
taking i_mutex.  This lead to problems with racing around i_size when
doing O_APPEND writes.

The fix here is to move i_mutex higher.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

10 years agoARM: 5738/1: Correct TCM documentation
Linus Walleij [Thu, 1 Oct 2009 13:31:22 +0000]
ARM: 5738/1: Correct TCM documentation

It turns out that the TCM memory can be remap:ed by the MMU just
like any other memory.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>