Joe Korty [Wed, 27 Aug 2008 14:35:06 +0000 (10:35 -0400)]
x86: make poll_idle behave more like the other idle methods
Make poll_idle() behave more like the other idle methods.
Currently, poll_idle() returns immediately. The other
idle methods all wait indefinately for some condition
to come true before returning. poll_idle should emulate
these other methods and also wait for a return condition,
in this case, for need_resched() to become 'true'.
Without this delay the idle loop spends all of its time
in the outer loop that calls poll_idle. This outer loop,
these days, does real work, some of it under rcu locks.
That work should only be done when idle is entered and
when idle exits, not continuously while idle is spinning.
Signed-off-by: Joe Korty <joe.korty@ccur.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Vladimir Sokolovsky [Wed, 27 Aug 2008 21:29:57 +0000 (14:29 -0700)]
IB/mlx4: Actually return L_Key and R_Key for fast register MRs
Initialize the L_Key and R_Key for memory regions returned from
mlx4_ib_alloc_fast_reg_mr(). Otherwise callers just get garbage for
the memory keys and can't do anything useful with these MRs.
Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 27 Aug 2008 21:37:28 +0000 (14:37 -0700)]
Merge git://git./linux/kernel/git/wim/linux-2.6-watchdog
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] removed unused #include <version.h>
[WATCHDOG] at91rm9200_wdt.c: fix misleading indentation
[WATCHDOG] mpc8xxx_wdt: fix modular build
[WATCHDOG] hpwdt.c kdebug support
[WATCHDOG] Add support for the IDT RC32434 watchdog
[WATCHDOG] Add support for the built-int RDC R-321x SoC watchdog
[WATHDOG] delete unused driver mpc8xx_wdt.c
[WATCHDOG] Fix s3c2410_wdt driver coding style issues
[WATCHDOG] Clean out header of s3c2410_wdt driver.
[WATCHDOG] Fix NULL usage in s3c2410_wdt driver.
Alan Cox [Tue, 26 Aug 2008 18:55:58 +0000 (19:55 +0100)]
tty: Fix termios tty window resize race with pty/tty pair
Kanru Chen posted a patch versus the old code which deals with the case
where you resize the pty side of a pty/tty pair. In that situation the
termios data is updated for both pty and tty but the locks are not held
for the right side.
This implements the fix differently against the updated tty code. Patch
by self but the hard bit (noticing and fixing the bug) is thanks to Kanru
Chen.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alan Cox [Tue, 26 Aug 2008 18:52:47 +0000 (19:52 +0100)]
tty: TIOCGSOFTCAR/SSOFTCAR on pty is wron
The termios settings ioctls on a pty should affect the bound tty side not
the pty. The SOFTCAR ioctls use the wrong device file.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 27 Aug 2008 21:34:49 +0000 (14:34 -0700)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] Add destroy routine for dns_resolver
[CIFS] Reorder cifs config item for better clarity
[CIFS] Correct keys dependency for cifs kerberos support
Linus Torvalds [Wed, 27 Aug 2008 21:33:06 +0000 (14:33 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/penberg/slab-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
slub: Disable NUMA remote node defragmentation by default
Linus Torvalds [Wed, 27 Aug 2008 21:31:44 +0000 (14:31 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
[PATCH] deal with the first call of ->show() generating no output
[PATCH] fix ->llseek() for a bunch of directories
[PATCH] fix regular readdir() and friends
[PATCH] fix hpux_getdents()
[PATCH] fix osf_getdirents()
[PATCH] ntfs: use d_add_ci
[PATCH] change d_add_ci argument ordering
[PATCH] fix efs_lookup()
[PATCH] proc: inode number fixlet
Linus Torvalds [Wed, 27 Aug 2008 21:31:27 +0000 (14:31 -0700)]
Merge git://git./linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc: Add target for a stripped kernel
sparc64: Make NUMA depend upon SMP.
Linus Torvalds [Wed, 27 Aug 2008 21:28:45 +0000 (14:28 -0700)]
Merge branch 'drm-patches' of git://git./linux/kernel/git/airlied/drm-2.6
* 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm: don't set the signal blocker on the master process.
drm: don't call the vblank tasklet with irqs disabled.
r300: Fix cliprect emit
drm/radeon: r300_cmdbuf: Always emit INDX_BUFFER immediately after DRAW_INDEX
radeon: fix some hard lockups on r3/4/500s
Jeff Layton [Wed, 27 Aug 2008 17:53:30 +0000 (17:53 +0000)]
[CIFS] Add destroy routine for dns_resolver
Otherwise, we're leaking the payload memory.
CC: Stable Kernel <stable@vger.kernel.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Linus Torvalds [Wed, 27 Aug 2008 08:14:46 +0000 (01:14 -0700)]
e1000: fix stack size
Here's the patch. It shrinks the stack from 1152 bytes to 192 bytes (the
first version, that only did the e1000_option part, got it down to 600
bytes). About half comes from not using multiple "e1000_option"
structures, the other half comes from turning the "e1000_opt_list[]"
arrays into "static const" instead, so that gcc doesn't copy them onto the
stack.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reveiewed-by: Auke Kok <auke-jan.h.kok@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 27 Aug 2008 20:55:35 +0000 (13:55 -0700)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: remove blk_queue_tag_depth() and blk_queue_tag_queue()
block: remove unused ->busy part of the block queue tag map
bio: fix __bio_copy_iov() handling of bio->bv_len
bio: fix bio_copy_kern() handling of bio->bv_len
block: submit_bh() inadvertently discards barrier flag on a sync write
block: clean up cmdfilter sysfs interface
block: rename blk_scsi_cmd_filter to blk_cmd_filter
sg: restore command permission for TYPE_SCANNER
block: move cmdfilter from gendisk to request_queue
Linus Torvalds [Wed, 27 Aug 2008 20:54:55 +0000 (13:54 -0700)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
ocfs2: Increment the reference count of an already-active stack.
[PATCH] configfs: Consolidate locking around configfs_detach_prep() in configfs_rmdir()
ocfs2: correctly set i_blocks after inline dir gets expanded
ocfs2: Jump to correct label in ocfs2_expand_inline_dir()
ocfs2: Fix sleep-with-spinlock recovery regression
[PATCH] ocfs2/cluster/netdebug.c: fix warning
[PATCH] ocfs2/cluster/tcp.c: make some functions static
Linus Torvalds [Wed, 27 Aug 2008 20:54:43 +0000 (13:54 -0700)]
Merge branch 'for-linus' of git://git390.osdl.marist.edu/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] dcss: fix build bug.
[S390] Fix linker script.
Steven Rostedt [Wed, 27 Aug 2008 13:14:40 +0000 (09:14 -0400)]
ftrace: disable tracing for suspend to ram
I've been painstakingly debugging the issue with suspend to ram and
ftraced. The 2.6.28 code does not have this issue, but since the mcount
recording is not going to be in 27, this must be solved for the ftrace
daemon version.
The resume from suspend to ram would reboot because it was triple
faulting. Debugging further, I found that calling the mcount function
itself was not an issue, but it would fault when it incremented
preempt_count. preempt_count is on the tasks info structure that is on the
low memory address of the task's stack. For some reason, it could not
write to it. Resuming out of suspend to ram does quite a lot of funny
tricks to get to work, so it is not surprising at all that simply doing a
preempt_disable() would cause a fault.
Thanks to Rafael for suggesting to add a "while (1);" to find the place in
resuming that is causing the fault. I would place the loop somewhere in
the code, compile and reboot and see if it would either reboot (hit the
fault) or simply hang (hit the loop). Doing this over and over again, I
narrowed it down that it was happening in enable_nonboot_cpus.
At this point, I found that it is easier to simply disable tracing around
the suspend code, instead of searching for the particular function that
can not handle doing a preempt_disable.
This patch disables the tracer as it suspends and reenables it on resume.
I tested this patch on my Laptop, and it can resume fine with the patch.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 27 Aug 2008 20:35:31 +0000 (13:35 -0700)]
Revert "pktcdvd: push BKL down into driver"
This reverts commit
5b6155ee70e9c4d2ad7e6f514c8eee06e2711c3a, because
the block device ioctl's really aren't ready for it.
In particular, the "struct file *" and the "struct inode *" arguments do
not necessarily match, which means that the unlocked version of the
ioctl (that only gets a "struct file *") isn't actually able to handle
the cases it needs to handle.
This fixes bugzilla
http://bugzilla.kernel.org/show_bug.cgi?id=11401
Reported-and-bisected-by: Laurent Riffard <laurent.riffard@free.fr>
Acked-by: Peter Osterlund <petero2@telia.com>
Cc: Alan Cox <alan@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jens Axboe [Tue, 26 Aug 2008 07:03:17 +0000 (09:03 +0200)]
block: remove blk_queue_tag_depth() and blk_queue_tag_queue()
They are unused and ->busy doesn't exist anymore.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Matthew Wilcox [Tue, 26 Aug 2008 07:02:28 +0000 (09:02 +0200)]
block: remove unused ->busy part of the block queue tag map
It's not used for anything. On top of that, it's racy and can thus
trigger a faulty BUG_ON() in __blk_free_tags() on queue exit.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
FUJITA Tomonori [Mon, 25 Aug 2008 18:36:08 +0000 (20:36 +0200)]
bio: fix __bio_copy_iov() handling of bio->bv_len
The commit
c5dec1c3034f1ae3503efbf641ff3b0273b64797 introduced
__bio_copy_iov() to add bounce support to blk_rq_map_user_iov.
__bio_copy_iov() uses bio->bv_len to copy data for READ commands after
the completion but it doesn't work with a request that partially
completed. SCSI always completes a PC request as a whole but seems
some don't.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
FUJITA Tomonori [Mon, 25 Aug 2008 18:36:08 +0000 (20:36 +0200)]
bio: fix bio_copy_kern() handling of bio->bv_len
The commit
68154e90c9d1492d570671ae181d9a8f8530da55 introduced
bio_copy_kern() to add bounce support to blk_rq_map_kern.
bio_copy_kern() uses bio->bv_len to copy data for READ commands after
the completion but it doesn't work with a request that partially
completed. SCSI always completes a PC request as a whole but seems
some don't.
This patch fixes bio_copy_kern to handle the above case. As
bio_copy_user does, bio_copy_kern uses struct bio_map_data to store
struct bio_vec.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reported-by: Nix <nix@esperi.org.uk>
Tested-by: Nix <nix@esperi.org.uk>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe [Fri, 22 Aug 2008 08:00:36 +0000 (10:00 +0200)]
block: submit_bh() inadvertently discards barrier flag on a sync write
Reported by Milan Broz <mbroz@redhat.com>, commit
18ce3751 inadvertently
made submit_bh() discard the barrier bit for a WRITE_SYNC request. Fix
that up.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Adel Gadllah [Sat, 16 Aug 2008 05:21:06 +0000 (14:21 +0900)]
block: clean up cmdfilter sysfs interface
This patch changes the interface of the cmd filter to use a +/-
notation like:
echo -- +0x02 +0x03 -0x08
If neither + or - is given it defaults to + (allow command).
Note: The interface was added in 2.6.17-rc1 and is unused and
undocumented so far so it's safe to change it.
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Reviewed-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: jens.axboe@oracle.com
Cc: James.Bottomley@hansenpartnership.com
Cc: dan.j.williams@intel.com
Cc: pjones@redhat.com
Cc: viro@zeniv.linux.org.uk
Cc: dougg@torque.net
Signed-off-by: Adel Gadllah <adel.gadllah@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
FUJITA Tomonori [Sat, 26 Jul 2008 09:03:25 +0000 (18:03 +0900)]
block: rename blk_scsi_cmd_filter to blk_cmd_filter
Technically, the cmd_filter would be applied to other protocols though
it's unlikely to happen. Putting SCSI stuff to request_queue is kinda
layer violation. So let's rename it.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
FUJITA Tomonori [Sat, 26 Jul 2008 09:03:24 +0000 (18:03 +0900)]
sg: restore command permission for TYPE_SCANNER
sg allowed any command for TYPE_SCANNER. The cmd_filter patchset
doesn't. We can't change sg's permission since it might break the
existing software.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
FUJITA Tomonori [Sat, 16 Aug 2008 05:10:05 +0000 (14:10 +0900)]
block: move cmdfilter from gendisk to request_queue
cmd_filter works only for the block layer SG_IO with SCSI block
devices. It breaks scsi/sg.c, bsg, and the block layer SG_IO with SCSI
character devices (such as st). We hit a kernel crash with them.
The problem is that cmd_filter code accesses to gendisk (having struct
blk_scsi_cmd_filter) via inode->i_bdev->bd_disk. It works for only
SCSI block device files. With character device files, inode->i_bdev
leads you to struct cdev. inode->i_bdev->bd_disk->blk_scsi_cmd_filter
isn't safe.
SCSI ULDs don't expose gendisk; they keep it private. bsg needs to be
independent on any protocols. We shouldn't change ULDs to expose their
gendisk.
This patch moves struct blk_scsi_cmd_filter from gendisk to
request_queue, a common object, which eveyone can access to.
The user interface doesn't change; users can change the filters via
/sys/block/. gendisk has a pointer to request_queue so the cmd_filter
code accesses to struct blk_scsi_cmd_filter.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Huang Weiyi [Sat, 16 Aug 2008 23:51:12 +0000 (07:51 +0800)]
[WATCHDOG] removed unused #include <version.h>
The drivers below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
drivers/watchdog/pc87413_wdt.c
This patch removes the said #include <version.h>.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Ilpo Jarvinen [Tue, 19 Aug 2008 06:01:14 +0000 (09:01 +0300)]
[WATCHDOG] at91rm9200_wdt.c: fix misleading indentation
Signed-off-by: Ilpo Jarvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Anton Vorontsov [Wed, 20 Aug 2008 23:38:36 +0000 (16:38 -0700)]
[WATCHDOG] mpc8xxx_wdt: fix modular build
Fix the following build error when mpc8xxx_wdt is selected to build as a
module:
drivers/watchdog/mpc8xxx_wdt.c:304: error: redefinition of '__inittest'
drivers/watchdog/mpc8xxx_wdt.c:298: error: previous definition of '__inittest' was here
drivers/watchdog/mpc8xxx_wdt.c:304: error: redefinition of 'init_module'
drivers/watchdog/mpc8xxx_wdt.c:298: error: previous definition of 'init_module' was here
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Thomas Mingarelli [Tue, 15 Jul 2008 19:40:41 +0000 (19:40 +0000)]
[WATCHDOG] hpwdt.c kdebug support
add kdebug support for the hpwdt.c driver.
Signed-off-by: Thomas Mingarelli <Thomas.Mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Florian Fainelli [Mon, 25 Feb 2008 12:11:31 +0000 (13:11 +0100)]
[WATCHDOG] Add support for the IDT RC32434 watchdog
Add driver for the IDT RC32434 SoC built-in watchdog.
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Florian Fainelli [Mon, 25 Feb 2008 11:59:26 +0000 (12:59 +0100)]
[WATCHDOG] Add support for the built-int RDC R-321x SoC watchdog
This patch adds support for the built-in RDC R-321x SoC watchdog.
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Jochen Friedrich [Thu, 24 Jul 2008 10:22:05 +0000 (12:22 +0200)]
[WATHDOG] delete unused driver mpc8xx_wdt.c
The watchdog driver mpc8xx_wdt.c was a device interface to
arch/ppc/syslib/m8xx_wdt.c for MPC8xx hardware. Now that ARCH=ppc is
gone, this driver is of no more use. For ARCH=powerpc, MPC8xx hardware
is supported by mpc8xxx_wdt.c.
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Acked-by: Vitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Ben Dooks [Sun, 22 Jun 2008 21:36:51 +0000 (22:36 +0100)]
[WATCHDOG] Fix s3c2410_wdt driver coding style issues
Fixup coding style issues in the s3c2410_wdt driver.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Ben Dooks [Sun, 22 Jun 2008 21:36:50 +0000 (22:36 +0100)]
[WATCHDOG] Clean out header of s3c2410_wdt driver.
Remove the changelog from the top of the driver, which
is redundant as this information is more accurately
represented from the revision control holding the
file.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Ben Dooks [Sun, 22 Jun 2008 21:36:49 +0000 (22:36 +0100)]
[WATCHDOG] Fix NULL usage in s3c2410_wdt driver.
Fix comparison of a pointer to 0, instead of using
NULL for a invalid pointer.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Steve French [Tue, 26 Aug 2008 18:32:28 +0000 (18:32 +0000)]
[CIFS] Reorder cifs config item for better clarity
Signed-off-by: Steve French <sfrench@us.ibm.com>
Steve French [Tue, 26 Aug 2008 18:22:50 +0000 (18:22 +0000)]
[CIFS] Correct keys dependency for cifs kerberos support
Must also depend on CIFS ...
Signed-off-by: Steve French <sfrench@us.ibm.com>
Linus Torvalds [Tue, 26 Aug 2008 17:45:20 +0000 (10:45 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: ASoC: Fix error paths in N810 machine driver init and release clocks at exit
ALSA: oxygen: prevent muting of nonexistent AC97 controls
Linus Torvalds [Tue, 26 Aug 2008 17:43:55 +0000 (10:43 -0700)]
Merge branch 'release' of git://git./linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Fix __{in,out}s{w,l} to handle unaligned data
[IA64] Fix ia64 build failure when CONFIG_SFC=m
David Woodhouse [Tue, 26 Aug 2008 14:29:22 +0000 (15:29 +0100)]
Fix userspace export of <linux/net.h>
Including <linux/fcntl.h> in the user-visible part of this header has
caused build regressions with headers from 2.6.27-rc. Move it down to
the #ifdef __KERNEL__ part, which is the only place it's needed. Move
some other kernel-only things down there too, while we're at it.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 26 Aug 2008 17:36:33 +0000 (10:36 -0700)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] check version in spnego upcall response
[CIFS] Kerberos support not considered experimental anymore
[CIFS] distinguish between Kerberos and MSKerberos in upcall
cifs: add local server pointer to cifs_setup_session
[CIFS] reindent misindented statement
Linus Torvalds [Tue, 26 Aug 2008 17:18:24 +0000 (10:18 -0700)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Ignore vmlinux.lds generated files
[MIPS] kgdb: Do not call fixup_exception
[MIPS] RB532: Do not define registers that are already defined
[MIPS] IP27: Export symbol pcibus_to_node to modules.
[MIPS] kgdb: s/(void *)0)/NULL/
[MIPS] kgdb: smp_call_function's 3rd argument is a pointer.
[MIPS] TXx9: Fix mips_hpt_frequency initialization
[MIPS] emma2rh: Fix build error by header file inclusion weeding.
[MIPS] Jazz: Fix build error by header file inclusion weeding.
[MIPS] Wire up new syscalls.
[MIPS] Convert printk statements during kernel setup to use severity levels
Linus Torvalds [Tue, 26 Aug 2008 17:07:27 +0000 (10:07 -0700)]
Merge branch 'merge' of git://git./linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
powerpc: Update defconfigs for most non-embedded platforms
powerpc: Export CMO_PageSize
powerpc/ps3: Fix ioremap of spu shadow regs
powerpc/ps3: Rework htab code to remove ioremap
powerpc/ps3: Update ps3_defconfig
powerpc/cell/oprofile: Avoid double vfree of profile buffer
powerpc: Update defconfigs for FSL PPC boards
powerpc: Add cuImage.mpc866ads to the bootwrapper as a cuboot-8xx target
cpm2: Fix race condition in CPM2 GPIO library.
powerpc: fix memory leaks in QE library
powerpc/85xx: TQM8548: DTS file fixes and cleanup
powerpc: Fix whitespace merge in mpc8641 hpcn device tree
Steve French [Tue, 26 Aug 2008 16:56:05 +0000 (16:56 +0000)]
Merge branch 'master' of /linux/kernel/git/torvalds/linux-2.6
Jarkko Nikula [Tue, 26 Aug 2008 10:32:57 +0000 (13:32 +0300)]
ALSA: ASoC: Fix error paths in N810 machine driver init and release clocks at exit
Thanks to Felipe Balbi <felipe.balbi@nokia.com> by noticing that if clk_get
to sys_clkout2_src fails, then n810_snd_device is never released.
Add also sys_clkout2_src release into error path, error code return and
release the clocks at exit.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Clemens Ladisch [Tue, 26 Aug 2008 09:06:26 +0000 (11:06 +0200)]
ALSA: oxygen: prevent muting of nonexistent AC97 controls
The Xonar DX does not have CD Capture controls, so we have to check that
a control actually exists before muting it.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Florian Fainelli [Tue, 19 Aug 2008 19:28:21 +0000 (21:28 +0200)]
[MIPS] Ignore vmlinux.lds generated files
This patch adds the proper .gitignore file to ignore vmlinux.lds generated
in arch/mips/kernel/.
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Mon, 11 Aug 2008 14:05:35 +0000 (23:05 +0900)]
[MIPS] kgdb: Do not call fixup_exception
kgdb_mips_notify is called on IBE/DBE/FPE/BP/TRAP/RI exception. None
of them need fixup. And doing fixup for a breakpoint exception will
confuse gdb.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Florian Fainelli [Tue, 5 Aug 2008 20:24:18 +0000 (22:24 +0200)]
[MIPS] RB532: Do not define registers that are already defined
Use the register definitions of the MPMC controller from
mach-rc32434/rb.h instead of redefining them.
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 5 Aug 2008 22:44:49 +0000 (23:44 +0100)]
[MIPS] IP27: Export symbol pcibus_to_node to modules.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 5 Aug 2008 22:43:35 +0000 (23:43 +0100)]
[MIPS] kgdb: s/(void *)0)/NULL/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 5 Aug 2008 22:42:16 +0000 (23:42 +0100)]
[MIPS] kgdb: smp_call_function's 3rd argument is a pointer.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Thu, 31 Jul 2008 13:29:53 +0000 (22:29 +0900)]
[MIPS] TXx9: Fix mips_hpt_frequency initialization
The mips_hpt_frequency initialization code was lost in commit
94a4c32939dede9328c6e4face335eb8441fc18d (linux-mips.org) /
94a4c32939dede9328c6e4face335eb8441fc18d (kernel.org) "TXx9: Add 64-bit
support".
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 31 Jul 2008 12:38:44 +0000 (13:38 +0100)]
[MIPS] emma2rh: Fix build error by header file inclusion weeding.
CC arch/mips/emma2rh/markeins/setup.o
In file included from arch/mips/emma2rh/markeins/setup.c:30:
include/linux/ide.h:645: error: ‘CONFIG_IDE_MAX_HWIFS’ undeclared here (not in a function)
make[1]: *** [arch/mips/emma2rh/markeins/setup.o] Error 1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 31 Jul 2008 12:08:14 +0000 (13:08 +0100)]
[MIPS] Jazz: Fix build error by header file inclusion weeding.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 31 Jul 2008 10:16:43 +0000 (11:16 +0100)]
[MIPS] Wire up new syscalls.
signalfd4, eventfd2, epoll_create1, dup3, pipe2 and inotify_init1.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Mike Crowe [Mon, 28 Jul 2008 12:12:52 +0000 (13:12 +0100)]
[MIPS] Convert printk statements during kernel setup to use severity levels
Signed-off-by: Mike Crowe <mac@mcrowe.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Paul Mackerras [Tue, 26 Aug 2008 03:31:55 +0000 (13:31 +1000)]
powerpc: Update defconfigs for most non-embedded platforms
Signed-off-by: Paul Mackerras <paulus@samba.org>
Linus Torvalds [Tue, 26 Aug 2008 00:48:07 +0000 (17:48 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
bnx2x: Version update
bnx2x: Multi Queue
bnx2x: NAPI and interrupts enable/disable
bnx2x: NIC load failure cleanup
bnx2x: Initialization structure
bnx2x: HW lock timeout
bnx2x: Minimize lock time
bnx2x: Fan failure mechanism on additional design
bnx2x: Rx work check
ipv6: sysctl fixes
ipv4: sysctl fixes
sctp: add verification checks to SCTP_AUTH_KEY option
Stephen Rothwell [Tue, 26 Aug 2008 00:33:32 +0000 (10:33 +1000)]
ALSA: fix for CA0106 on MSI K8N Diamond PLUS Motherboard
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Steve French [Tue, 26 Aug 2008 00:37:14 +0000 (00:37 +0000)]
[CIFS] check version in spnego upcall response
Currently, we don't check the version in the SPNEGO upcall response
even though one is provided. Jeff and Q have made the corresponding
change to the Samba client (cifs.upcall).
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Andrew Morton [Thu, 21 Aug 2008 01:16:26 +0000 (11:16 +1000)]
powerpc: Export CMO_PageSize
This fixes an error building powerpc allmodconfig:
ERROR: "CMO_PageSize" [arch/powerpc/platforms/pseries/cmm.ko] undefined!
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Masakazu Mokuno [Wed, 20 Aug 2008 20:18:56 +0000 (06:18 +1000)]
powerpc/ps3: Fix ioremap of spu shadow regs
Fix the ioremap of the spu shadow regs on the PS3.
The current PS3 hypervisor requires the spu shadow regs to be
mapped with the PTE page protection bits set as read-only (PP=3).
This implementation uses the low level __ioremap() to bypass the
page protection settings inforced by ioremap_flags() to get the
needed PTE bits set for the shadow regs.
This fixes a runtime failure on the PS3 introduced by the powerpc
ioremap_prot rework of commit
a1f242ff460e4b50a045fa237c3c56cce9eabf83
("powerpc ioremap_prot").
Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Masakazu Mokuno [Wed, 20 Aug 2008 20:18:51 +0000 (06:18 +1000)]
powerpc/ps3: Rework htab code to remove ioremap
Rework the PS3 MMU hash table code to remove the need to ioremap the
hash table by using the HV calls lv1_insert_htab_entry() and
lv1_read_htab_entries().
This fixes a runtime failure on the PS3 introduced by the powerpc
ioremap_prot rework of commit
a1f242ff460e4b50a045fa237c3c56cce9eabf83
("powerpc ioremap_prot").
Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Geoff Levand [Wed, 20 Aug 2008 20:18:43 +0000 (06:18 +1000)]
powerpc/ps3: Update ps3_defconfig
Update ps3_defconfig.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Carl Love [Mon, 11 Aug 2008 07:25:43 +0000 (17:25 +1000)]
powerpc/cell/oprofile: Avoid double vfree of profile buffer
If an error occurs on opcontrol start, the event and per cpu buffers
are released. If later opcontrol shutdown is called then the free
function will be called again to free buffers that no longer
exist. This results in a kernel oops. The following changes
prevent the call to delete buffers that don't exist.
Signed-off-by: Carl Love <carll@us.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Eilon Greenstein [Mon, 25 Aug 2008 22:30:39 +0000 (15:30 -0700)]
bnx2x: Version update
Version update
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yitchak Gertner [Mon, 25 Aug 2008 22:27:06 +0000 (15:27 -0700)]
bnx2x: Multi Queue
The multi queue support is still disabled by default for the bnx2x
(needs some more testing and validation), but there are 2 obvious bug in
it which are fixed in this patch
Signed-off-by: Yitchak Gertner <gertner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yitchak Gertner [Mon, 25 Aug 2008 22:26:24 +0000 (15:26 -0700)]
bnx2x: NAPI and interrupts enable/disable
Fixing the order of enabling and disabling NAPI and the interrupts
Signed-off-by: Yitchak Gertner <gertner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yitchak Gertner [Mon, 25 Aug 2008 22:25:45 +0000 (15:25 -0700)]
bnx2x: NIC load failure cleanup
Load failures were not handled correctly
Signed-off-by: Yitchak Gertner <gertner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yitchak Gertner [Mon, 25 Aug 2008 22:24:21 +0000 (15:24 -0700)]
bnx2x: Initialization structure
The TPA initialization is part of the FW internal memory initialization
and so it is moved to the appropriate function
Signed-off-by: Yitchak Gertner <gertner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Mon, 25 Aug 2008 22:23:30 +0000 (15:23 -0700)]
bnx2x: HW lock timeout
Increasing the lock timeout to 5 seconds instead of 1 second to minimize
the chance of failures due to timeout
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Mon, 25 Aug 2008 22:22:46 +0000 (15:22 -0700)]
bnx2x: Minimize lock time
After iSCSI boot, the HW lock should only protect the flag so only the
first function will reset the chip and not then entire chip reset
process
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Mon, 25 Aug 2008 22:20:48 +0000 (15:20 -0700)]
bnx2x: Fan failure mechanism on additional design
The A1021G board is also using the fan failure mechanism in the same way
the A1022G board does
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eilon Greenstein [Mon, 25 Aug 2008 22:19:17 +0000 (15:19 -0700)]
bnx2x: Rx work check
The has Rx work check was wrong: when the FW was at the end of the page,
the driver was already at the beginning of the next page. Since the
check only validated that both driver and FW are pointing to the same
place, it concluded that there is still work to be done. This caused
some serious issues including long latency results on ping-pong test and
lockups while unloading the driver in that condition.
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Al Viro [Mon, 25 Aug 2008 22:18:15 +0000 (15:18 -0700)]
ipv6: sysctl fixes
Braino: net.ipv6 in ipv6 skeleton has no business in rotable
class
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Al Viro [Mon, 25 Aug 2008 22:17:44 +0000 (15:17 -0700)]
ipv4: sysctl fixes
net.ipv4.neigh should be a part of skeleton to avoid ordering problems
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vlad Yasevich [Mon, 25 Aug 2008 22:16:19 +0000 (15:16 -0700)]
sctp: add verification checks to SCTP_AUTH_KEY option
The structure used for SCTP_AUTH_KEY option contains a
length that needs to be verfied to prevent buffer overflow
conditions. Spoted by Eugene Teo <eteo@redhat.com>.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Mon, 25 Aug 2008 21:15:38 +0000 (14:15 -0700)]
[x86] Clean up MAXSMP Kconfig, and limit NR_CPUS to 512
This fixes a regression that was indirectly caused by commit
1184dc2ffe2c8fb9afb766d870850f2c3165ef25 ("x86: modify Kconfig to allow
up to 4096 cpus").
Allowing 4k CPU's is not practical at this time, because we still have a
number of places that have several 'cpumask_t's on the stack, and a
4k-bit cpumask is 512 bytes of stack-space for each such variable. This
literally caused functions like 'smp_call_function_mask' to have a 2.5kB
stack frame, and several functions to have 2kB stackframes.
With an 8kB stack total, smashing the stack was simply much too likely.
At least bugzilla entry
http://bugzilla.kernel.org/show_bug.cgi?id=11342
was due to this.
The earlier commit to not inline load_module() into sys_init_module()
fixed the particular symptoms of this that Alan Brunelle saw in that
bugzilla entry, but the huge stack waste by cpumask_t's was the more
direct cause.
Some day we'll have allocation helpers that allocate large CPU masks
dynamically, but in the meantime we simply cannot allow cpumasks this
large.
Cc: Alan D. Brunelle <Alan.Brunelle@hp.com>
Cc: Mike Travis <travis@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Mon, 25 Aug 2008 18:26:56 +0000 (11:26 -0700)]
Merge branch 'timers-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
rtc: fix deadlock
Linus Torvalds [Mon, 25 Aug 2008 18:26:33 +0000 (11:26 -0700)]
Merge branch 'x86-fixes-for-linus' of git://git./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: add X86_FEATURE_XMM4_2 definitions
x86: fix cpufreq + sched_clock() regression
x86: fix HPET regression in 2.6.26 versus 2.6.25, check hpet against BAR, v3
x86: do not enable TSC notifier if we don't need it
x86 MCE: Fix CPU hotplug problem with multiple multicore AMD CPUs
x86: fix: make PCI ECS for AMD CPUs hotplug capable
x86: fix: do not run code in amd_bus.c on non-AMD CPUs
Linus Torvalds [Mon, 25 Aug 2008 18:26:02 +0000 (11:26 -0700)]
Merge branch 'sched-fixes-for-linus' of git://git./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_clock: fix cpu_clock()
Linus Torvalds [Mon, 25 Aug 2008 18:25:10 +0000 (11:25 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: fix reference leak in pci_get_dev_by_id()
PCI: shpchp: Rename duplicate slot name N as N-1, N-2, N-M...
PCI: pciehp: Rename duplicate slot name N as N-1, N-2, N-M...
Linus Torvalds [Mon, 25 Aug 2008 18:24:51 +0000 (11:24 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: ASoC: Fix double free and memory leak in many codec drivers
ALSA: CA0106 on MSI K8N Diamond PLUS Motherboard
James Bottomley [Fri, 22 Aug 2008 21:15:22 +0000 (16:15 -0500)]
[IA64] Fix __{in,out}s{w,l} to handle unaligned data
Some ia64 systems produce several repeats of kernel messages like this:
kernel unaligned access to 0xe000000644220466, ip=0xa000000100516fa1
This was tracked to ide code using the __cmd[] field in "struct request"
via the __outsw() function. __cmd[] is a char array, so is not guaranteed
to be properly aligned when accessed as words.
Tested-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Linus Torvalds [Mon, 25 Aug 2008 18:19:53 +0000 (11:19 -0700)]
Merge branch 'kvm-updates-2.6.27' of git://git./linux/kernel/git/avi/kvm
* 'kvm-updates-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
KVM: fix userspace ABI breakage
KVM: MMU: Fix torn shadow pte
KVM: Use .fixup instead of .text.fixup on __kvm_handle_fault_on_reboot
Linus Torvalds [Mon, 25 Aug 2008 18:18:49 +0000 (11:18 -0700)]
Merge git://git./linux/kernel/git/rusty/linux-2.6-for-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
lguest: update commentry
stop_machine: Remove deprecated stop_machine_run
stop_machine: wean Xen off stop_machine_run
virtio_balloon: fix towards_target when deflating balloon
Linus Torvalds [Mon, 25 Aug 2008 18:10:26 +0000 (11:10 -0700)]
[module] Don't let gcc inline load_module()
'load_module()' is a complex function that contains all the ELF section
logic, and inlining it is utterly insane. But gcc will do it, simply
because there is only one call-site. As a result, all the stack space
that is allocated for all the work to load the module will still be
active when we actually call the module init sequence, and the deep call
chain makes stack overflows happen.
And stack overflows are really hard to debug, because they not only
corrupt random pages below the stack, but also corrupt the thread_info
structure that is allocated under the stack.
In this case, Alan Brunelle reported some crazy oopses at bootup, after
loading the processor module that ends up doing complex ACPI stuff and
has quite a deep callchain. This should fix it, and is the sane thing
to do regardless.
Cc: Alan D. Brunelle <Alan.Brunelle@hp.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Robin Holt [Tue, 29 Jul 2008 01:36:50 +0000 (20:36 -0500)]
[IA64] Fix ia64 build failure when CONFIG_SFC=m
CONFIG_SFC=m uses topology_core_siblings() which, for ia64, expects
cpu_core_map to be exported. It is not. This patch exports the needed
symbol.
Maintainers note: This really looks like the wrong thing to do ... it
would be much better for the kernel to export an API to provide
drivers like this with data they need (which in the case of this
driver seems to be an estimate of the effective parallelism available
on the platform). But x86 has exported this forever ... so go with
the flow until such an API is defined.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Robin Holt <holt@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Heiko Carstens [Mon, 25 Aug 2008 16:13:27 +0000 (18:13 +0200)]
[S390] dcss: fix build bug.
Fix this compile bug:
CC drivers/s390/block/dcssblk.o
drivers/s390/block/dcssblk.c: In function 'dcssblk_add_store':
drivers/s390/block/dcssblk.c:387: error: implicit declaration of function 'dcssblk_get_segment_by_name'
drivers/s390/block/dcssblk.c:389: error: label 'release_gd' used but not defined
make[1]: *** [drivers/s390/block/dcssblk.o] Error 1
make: *** [drivers/s390/block/] Error 2
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Heiko Carstens [Mon, 25 Aug 2008 16:13:26 +0000 (18:13 +0200)]
[S390] Fix linker script.
6360b1fbb4a939efd34fc770c2ebd927c55506e0 ("move BUG_TABLE into RODATA")
causes this build bug (binutils 2.18.50.0.8.
20080709, gcc 4.3.1):
AS .tmp_kallsyms1.o
LD .tmp_vmlinux2
KSYM .tmp_kallsyms2.S
s390x-4.3.1-nm: .tmp_vmlinux2: File truncated
No valid symbol.
make: *** [.tmp_kallsyms2.S] Error 1
So fix this.
Cc: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Peter Zijlstra [Mon, 25 Aug 2008 15:15:34 +0000 (17:15 +0200)]
sched_clock: fix cpu_clock()
This patch fixes 3 issues:
a) it removes the dependency on jiffies, because jiffies are incremented
by a single CPU, and the tick is not synchronized between CPUs. Therefore
relying on it to calculate a window to clip whacky TSC values doesn't work
as it can drift around.
So instead use [GTOD, GTOD+TICK_NSEC) as the window.
b) __update_sched_clock() did (roughly speaking):
delta = sched_clock() - scd->tick_raw;
clock += delta;
Which gives exponential growth, instead of linear.
c) allows the sched_clock_cpu() value to warp the u64 without breaking.
the results are more reliable sched_clock() deltas:
before after sched_clock
cpu_clock: 15750 51312 51488
cpu_clock: 59719 51052 50947
cpu_clock: 15879 51249 51061
cpu_clock: 1 50933 51198
cpu_clock: 1 50931 51039
cpu_clock: 1 51093 50981
cpu_clock: 1 51043 51040
cpu_clock: 1 50959 50938
cpu_clock: 1 50981 51011
cpu_clock: 1 51364 51212
cpu_clock: 1 51219 51273
cpu_clock: 1 51389 51048
cpu_clock: 1 51285 51611
cpu_clock: 1 50964 51137
cpu_clock: 1 50973 50968
cpu_clock: 1 50967 50972
cpu_clock: 1 58910 58485
cpu_clock: 1 51082 51025
cpu_clock: 1 50957 50958
cpu_clock: 1 50958 50957
cpu_clock:
1006128 51128 50971
cpu_clock: 1 51107 51155
cpu_clock: 1 51371 51081
cpu_clock: 1 51104 51365
cpu_clock: 1 51363 51309
cpu_clock: 1 51107 51160
cpu_clock: 1 51139 51100
cpu_clock: 1 51216 51136
cpu_clock: 1 51207 51215
cpu_clock: 1 51087 51263
cpu_clock: 1 51249 51177
cpu_clock: 1 51519 51412
cpu_clock: 1 51416 51255
cpu_clock: 1 51591 51594
cpu_clock: 1 50966 51374
cpu_clock: 1 50966 50966
cpu_clock: 1 51291 50948
cpu_clock: 1 50973 50867
cpu_clock: 1 50970 50970
cpu_clock: 998306 50970 50971
cpu_clock: 1 50971 50970
cpu_clock: 1 50970 50970
cpu_clock: 1 50971 50971
cpu_clock: 1 50970 50970
cpu_clock: 1 51351 50970
cpu_clock: 1 50970 51352
cpu_clock: 1 50971 50970
cpu_clock: 1 50970 50970
cpu_clock: 1 51321 50971
cpu_clock: 1 50974 51324
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Austin Zhang [Mon, 25 Aug 2008 15:14:51 +0000 (11:14 -0400)]
x86: add X86_FEATURE_XMM4_2 definitions
Added Intel processor SSE4.2 feature flag.
No in-tree user at the moment, but makes the tree-merging life easier
for the crypto tree.
Signed-off-by: Austin Zhang <austin.zhang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Joel Becker [Fri, 22 Aug 2008 21:30:10 +0000 (14:30 -0700)]
ocfs2: Increment the reference count of an already-active stack.
The ocfs2_stack_driver_request() function failed to increment the
refcount of an already-active stack. It only did the increment on the
first reference. Whoops.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Tested-by: Marcos Matsunaga <marcos.matsunaga@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Adrian Bunk [Tue, 5 Aug 2008 22:36:09 +0000 (01:36 +0300)]
KVM: fix userspace ABI breakage
The following part of commit
9ef621d3be56e1188300476a8102ff54f7b6793f
(KVM: Support mixed endian machines) changed on the size of a struct
that is exported to userspace:
include/linux/kvm.h:
@@ -318,14 +318,14 @@ struct kvm_trace_rec {
__u32 vcpu_id;
union {
struct {
- __u32 cycle_lo, cycle_hi;
+ __u64 cycle_u64;
__u32 extra_u32[KVM_TRC_EXTRA_MAX];
} cycle;
struct {
__u32 extra_u32[KVM_TRC_EXTRA_MAX];
} nocycle;
} u;
-};
+} __attribute__((packed));
Packing a struct was the correct idea, but it packed the wrong struct.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Avi Kivity [Fri, 22 Aug 2008 16:19:38 +0000 (19:19 +0300)]
KVM: MMU: Fix torn shadow pte
The shadow code assigns a pte directly in one place, which is nonatomic on
i386 can can cause random memory references. Fix by using an atomic setter.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Eduardo Habkost [Tue, 19 Aug 2008 23:00:08 +0000 (20:00 -0300)]
KVM: Use .fixup instead of .text.fixup on __kvm_handle_fault_on_reboot
vmlinux.lds expects the fixup code to be on a section named .fixup. The
.text.fixup section is not mentioned on vmlinux.lds, and is included on
the resulting vmlinux (just after .text) only because of ld heuristics on
placing orphan sections.
However, placing .text.fixup outside .text breaks the definition of
_etext, making it exclude the .text.fixup contents. That makes .text.fixup
be ignored by the kernel initialization code that needs to know about
section locations, such as the code setting page protection bits.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Rusty Russell [Tue, 26 Aug 2008 05:19:27 +0000 (00:19 -0500)]
lguest: update commentry
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Rusty Russell [Tue, 26 Aug 2008 05:19:27 +0000 (00:19 -0500)]
stop_machine: Remove deprecated stop_machine_run
Everyone should be using stop_machine() now. The staged API
transition helped life in linux-next.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>