sfrench/cifs-2.6.git
14 years agoMerge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Tue, 30 Jan 2007 16:29:05 +0000 (08:29 -0800)]
Merge branch 'for-linus' of /home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 4117/1: S3C2412: Fix writel() usage in selection code
  [ARM] 4111/1: Allow VFP to work with thread migration on SMP
  [ARM] 4112/1: Only ioremap to supersections if DOMAIN_IO is zero
  [ARM] 4106/1: S3C2410: typo fixes in register definitions
  [ARM] 4102/1: Allow for PHYS_OFFSET on any valid 2MiB address
  [ARM] Fix AMBA serial drivers for non-first serial ports
  [ARM] 4100/1: iop3xx: fix cpu mask for iop333
  [ARM] Update mach-types
  [ARM] Fix show_mem() for discontigmem
  [ARM] 4096/1: S3C24XX: change return code form s3c2410_gpio_getcfg()
  [ARM] 4095/1: S3C24XX: Fix GPIO set for Bank A
  [ARM] 4092/1: i.MX/MX1 CPU Frequency scaling latency definition
  [ARM] 4089/1: AT91: GPIO wake IRQ cleanup
  [ARM] 4088/1: AT91: Unbalanced IRQ in serial driver suspend/resume
  [ARM] 4087/1: AT91: CPU reset for SAM9x processors
  [ARM] 4086/1: AT91: Whitespace cleanup
  [ARM] 4085/1: AT91: Header fixes.
  [ARM] 4084/1: Remove CONFIG_DEBUG_WAITQ

14 years ago[PATCH] `make help' in build tree doesn't show headers_* targets
Geert Uytterhoeven [Mon, 29 Jan 2007 12:47:01 +0000 (13:47 +0100)]
[PATCH] `make help' in build tree doesn't show headers_* targets

`make help' in the build tree doesn't show the help texts about the
`headers_install' and `headers_check' targets because it looks for
include/asm-$(ARCH)/Kbuild in the wrong place.
Add the missing `$(srctree)' prefixes to fix this.
Also move the printing of the default install path for the headers inside the
`if/fi', where it belongs.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Oleg Verych <olecom@flower.upol.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] cdev.h: forward declarations
Jan Engelhardt [Mon, 29 Jan 2007 21:19:56 +0000 (13:19 -0800)]
[PATCH] cdev.h: forward declarations

Apparently this broke due to missing `struct inode' declaration.

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Cc: Noah Watkins <nwatkins@ittc.ku.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] ufs: reallocation fix
Evgeniy Dushistov [Mon, 29 Jan 2007 21:19:56 +0000 (13:19 -0800)]
[PATCH] ufs: reallocation fix

In blocks reallocation function sometimes does not update some of
buffer_head::b_blocknr, which may and cause data damage.

Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] ufs: truncate negative to unsigned fix
Evgeniy Dushistov [Mon, 29 Jan 2007 21:19:55 +0000 (13:19 -0800)]
[PATCH] ufs: truncate negative to unsigned fix

During ufs_trunc_direct which is subroutine of ufs::truncate, we try the first
of all free parts of block and then whole blocks.  But we calculate size of
block's part to free in the wrong way.

This may cause bad update of used blocks and fragments statistic, and you can
got report that you have free 32T on 1Gb partition.

Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] ufs: alloc metadata null page fix
Evgeniy Dushistov [Mon, 29 Jan 2007 21:19:54 +0000 (13:19 -0800)]
[PATCH] ufs: alloc metadata null page fix

These series of patches result of UFS1 write support stress testing, like
running fsx-linux, untar and build linux kernel etc

We pass from ufs::get_block_t to levels below: pointer to the current page, to
make possible things like reallocation of blocks on the fly, and we also uses
this pointer for indication, what actually we allocate data block or meta data
block, but currently we make decision about what we allocate on the wrong
level, this may and cause oops if we allocate blocks in some special order.

Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] fuse: fix bug in control filesystem mount
Miklos Szeredi [Mon, 29 Jan 2007 21:19:54 +0000 (13:19 -0800)]
[PATCH] fuse: fix bug in control filesystem mount

The BUG in fuse_ctl_add_dentry() could be triggered if the control
filesystem was unmounted and mounted again while one or more fuse
filesystems were present.

The fix is to reset the dentry counter in fuse_ctl_kill_sb().

Bug reported by Florent Mertens.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] use __u8 rather than u8 in userspace SIZE defines in hdreg.h
Mike Frysinger [Mon, 29 Jan 2007 21:19:53 +0000 (13:19 -0800)]
[PATCH] use __u8 rather than u8 in userspace SIZE defines in hdreg.h

Use __u8 rather than u8 in SIZE defines exported to userspace.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] knfsd: ratelimit some nfsd messages that are triggered by external events
NeilBrown [Mon, 29 Jan 2007 21:19:52 +0000 (13:19 -0800)]
[PATCH] knfsd: ratelimit some nfsd messages that are triggered by external events

Also remove {NFSD,RPC}_PARANOIA as having the defines doesn't really add
anything.

The printks covered by RPC_PARANOIA were triggered by badly formatted
packets and so should be ratelimited.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] fs/lockd/clntlock.c: add missing newlines to dprintk's
Adrian Bunk [Mon, 29 Jan 2007 21:19:51 +0000 (13:19 -0800)]
[PATCH] fs/lockd/clntlock.c: add missing newlines to dprintk's

This patch adds missing newlines to dprintk's.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] m68k: uaccess.h needs sched.h
Andrew Morton [Mon, 29 Jan 2007 21:19:50 +0000 (13:19 -0800)]
[PATCH] m68k: uaccess.h needs sched.h

In file included from include/linux/crypto.h:26,
                 from crypto/cipher.c:17:
include/linux/uaccess.h: In function 'pagefault_disable':
include/linux/uaccess.h:18: error: dereferencing pointer to incomplete type
include/linux/uaccess.h: In function 'pagefault_enable':
include/linux/uaccess.h:33: error: dereferencing pointer to incomplete type

video_buf need PCI.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Fix "CONFIG_X86_64_" typo in drivers/kvm/svm.c
Robert P. J. Day [Mon, 29 Jan 2007 21:19:50 +0000 (13:19 -0800)]
[PATCH] Fix "CONFIG_X86_64_" typo in drivers/kvm/svm.c

Fix what looks like an obvious typo in the file drivers/kvm/svm.c.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] use __u8/__u32 in userspace ioctl defines for I2O
Mike Frysinger [Mon, 29 Jan 2007 21:19:49 +0000 (13:19 -0800)]
[PATCH] use __u8/__u32 in userspace ioctl defines for I2O

Make sure exported I2O ioctls utilize userspace safe types.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] uml: fix mknod
Johannes Stezenbach [Mon, 29 Jan 2007 21:19:44 +0000 (13:19 -0800)]
[PATCH] uml: fix mknod

Fix UML hostfs mknod(): userspace has differernt dev_t size and encoding
than kernel, so extract major/minor and reencode using glibc makedev()
macro.

Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Acked-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] namespaces: fix exit race by splitting exit
Serge E. Hallyn [Mon, 29 Jan 2007 21:19:40 +0000 (13:19 -0800)]
[PATCH] namespaces: fix exit race by splitting exit

Fix exit race by splitting the nsproxy putting into two pieces.  First
piece reduces the nsproxy refcount.  If we dropped the last reference, then
it puts the mnt_ns, and returns the nsproxy as a hint to the caller.  Else
it returns NULL.  The second piece of exiting task namespaces sets
tsk->nsproxy to NULL, and drops the references to other namespaces and
frees the nsproxy only if an nsproxy was passed in.

A little awkward and should probably be reworked, but hopefully it fixes
the NFS oops.

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Daniel Hokka Zakrisson <daniel@hozac.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Fix SG_IO timeout jiffy conversion
Mike Christie [Tue, 30 Jan 2007 02:18:38 +0000 (21:18 -0500)]
[PATCH] Fix SG_IO timeout jiffy conversion

Commit 85e04e371b5a321b5df2bc3f8e0099a64fb087d7 cleaned up the timeout
conversion, but did it exactly the wrong way.  We get msecs from user
space, and should convert them into jiffies. Not the other way around.

Here is a fix with the overflow check sg.c has added in.  This fixes DVD
burnign with Nero.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
[ "you'll be wanting a comma there" - Andrew ]
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Fix try_to_free_buffer() locking
Nick Piggin [Tue, 30 Jan 2007 03:36:27 +0000 (14:36 +1100)]
[PATCH] Fix try_to_free_buffer() locking

Fix commit ecdfc9787fe527491baefc22dce8b2dbd5b2908d

Not to put too fine a point on it, but in a nutshell...

__set_page_dirty_buffers() | try_to_free_buffers()
---------------------------+---------------------------
                           | spin_lock(private_lock);
                           | drop_bufers()
                           | spin_unlock(private_lock);
spin_lock(private_lock)    |
!page_has_buffers()        |
spin_unlock(private_lock)  |
SetPageDirty()             |
                           | cancel_dirty_page()

                          oops!

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] sky2: revert IRQ dance on suspend/resume
Stephen Hemminger [Tue, 30 Jan 2007 00:38:07 +0000 (16:38 -0800)]
[PATCH] sky2: revert IRQ dance on suspend/resume

Let's just backout the IRQ hack, and for those crap machines (like some
Sony VAIO's) can just disable MSI with the module parameter.

This reverts 44ade178249fe53d055fd92113eaa271e06acddd.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Frédéric Riss <frederic.riss@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoFix balance_dirty_page() calculations with CONFIG_HIGHMEM
Linus Torvalds [Tue, 30 Jan 2007 00:37:38 +0000 (16:37 -0800)]
Fix balance_dirty_page() calculations with CONFIG_HIGHMEM

This makes balance_dirty_page() always base its calculations on the
amount of non-highmem memory in the machine, rather than try to base it
on total memory and then falling back on non-highmem memory if the
mapping it was writing wasn't highmem capable.

This not only fixes a situation where two different writers can have
wildly different notions about what is a "balanced" dirty state, but it
also means that people with highmem machines don't run into an OOM
situation when regular memory fills up with dirty pages.

We used to try to handle the latter case by scaling down the dirty_ratio
if the machine had a lot of highmem pages in page_writeback_init(), but
it wasn't aggressive enough for some situations, and since basing the
dirty ratio on highmem memory was broken in the first place, let's just
stop doing so.

(A variation of this theme fixed Justin Piszcz's OOM problem when
copying an 18GB file on a RAID setup).

Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: Andrew Morton <akpm@osdl.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[ARM] 4117/1: S3C2412: Fix writel() usage in selection code
Ben Dooks [Sun, 28 Jan 2007 23:11:29 +0000 (00:11 +0100)]
[ARM] 4117/1: S3C2412: Fix writel() usage in selection code

The S3C2412 DMA selection code has the
arguments to writel() the wrong way around.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
Linus Torvalds [Sun, 28 Jan 2007 20:45:22 +0000 (12:45 -0800)]
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] Fix sys_pciconfig_iobase bus matching
  [POWERPC] PS3: add not complete comment to kconfig
  [POWERPC] ps3_free_io_irq: Fix inverted error check
  [POWERPC] PS3: Fix uniprocessor kernel build

14 years ago[POWERPC] Fix sys_pciconfig_iobase bus matching
Benjamin Herrenschmidt [Sat, 27 Jan 2007 20:45:53 +0000 (07:45 +1100)]
[POWERPC] Fix sys_pciconfig_iobase bus matching

A stupid bug has been plaguing the sys_pciconfig_iobase on ppc64. It wasn't
noticed until recently as it seems to not affect G5s but it's been causing
problems running X servers on some other machines recently. The bus number
matching was bogus.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
14 years ago[POWERPC] PS3: add not complete comment to kconfig
Geoff Levand [Fri, 26 Jan 2007 02:07:14 +0000 (18:07 -0800)]
[POWERPC] PS3: add not complete comment to kconfig

Add a comment to the PS3 config option to inform users that the current
implementation is not yet complete.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
14 years agoMerge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Sat, 27 Jan 2007 03:39:40 +0000 (19:39 -0800)]
Merge /pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [IPV4]: Fix single-entry /proc/net/fib_trie output.
  [SELINUX]: Fix 2.6.20-rc6 build when no xfrm

14 years ago[IPV4]: Fix single-entry /proc/net/fib_trie output.
Robert Olsson [Sat, 27 Jan 2007 03:06:01 +0000 (19:06 -0800)]
[IPV4]: Fix single-entry /proc/net/fib_trie output.

When main table is just a single leaf this gets printed as belonging to the
local table in /proc/net/fib_trie. A fix is below.

Signed-off-by: Robert Olsson <robert.olsson@its.uu.se>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[SELINUX]: Fix 2.6.20-rc6 build when no xfrm
Venkat Yekkirala [Sat, 27 Jan 2007 03:03:48 +0000 (19:03 -0800)]
[SELINUX]: Fix 2.6.20-rc6 build when no xfrm

This patch is an incremental fix to the flow_cache_genid
patch for selinux that breaks the build of 2.6.20-rc6 when
xfrm is not configured.

Signed-off-by: Venkat Yekkirala <vyekkirala@TrustedCS.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[SPARC64]: Set g4/g5 properly in sun4v dtlb-prot handling.
David S. Miller [Sat, 27 Jan 2007 02:48:16 +0000 (18:48 -0800)]
[SPARC64]: Set g4/g5 properly in sun4v dtlb-prot handling.

Mirror the logic in the sun4u handler, we have to update
both registers even when we branch out to window fault
fixup handling.

The way it works is that if we are in etrap processing a
fault already, g4/g5 holds the original fault information.
If we take a window spill fault while doing etrap, then
we put the window spill fault info into g4/g5 and this is
what the top-level fault handler ends up processing first.

Then we retry the originally faulting instruction, and
process the original fault at that time.

This is all necessary because of how constrained the trap
registers are in these code paths.  These cases trigger
very rarely, so even if there is some performance implication
it's doesn't happen very often.  In fact the rarity is why
it took so long to trigger and find this particular bug.

Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[PATCH] Boot loader ID for Gujin
H. Peter Anvin [Fri, 26 Jan 2007 17:15:47 +0000 (09:15 -0800)]
[PATCH] Boot loader ID for Gujin

Add an official boot loader ID for Gujin.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] ocfs2: fix thinko in ocfs2_backup_super_blkno()
Mark Fasheh [Fri, 26 Jan 2007 18:46:59 +0000 (10:46 -0800)]
[PATCH] ocfs2: fix thinko in ocfs2_backup_super_blkno()

Fix a bug which was introduced when I synced up ocfs2_fs.h with ocfs2-tools.
We can't do u64/u32 in kernel.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32
Linus Torvalds [Fri, 26 Jan 2007 22:48:53 +0000 (14:48 -0800)]
Merge branch 'for-linus' of git://atmel.no/~hskinnemoen/linux/kernel/avr32

* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32:
  [AVR32] Update ATSTK1000 defconfig: Enable macb by default
  [AVR32] Export clear_page symbol

14 years agoMerge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Fri, 26 Jan 2007 22:47:05 +0000 (14:47 -0800)]
Merge /pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [NETFILTER]: nf_conntrack_pptp: fix NAT setup of expected GRE connections
  [NETFILTER]: nf_nat_pptp: fix expectation removal
  [NETFILTER]: nf_nat: fix ICMP translation with statically linked conntrack
  [TCP]: Restore SKB socket owner setting in tcp_transmit_skb().
  [AF_PACKET]: Check device down state before hard header callbacks.
  [DECNET]: Handle a failure in neigh_parms_alloc (take 2)
  [BNX2]: Fix 2nd port's MAC address.
  [TCP]: Fix sorting of SACK blocks.
  [AF_PACKET]: Fix BPF handling.
  [IPV4]: Fix the fib trie iterator to work with a single entry routing tables

14 years agoMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
Linus Torvalds [Fri, 26 Jan 2007 22:45:18 +0000 (14:45 -0800)]
Merge branch 'upstream-linus' of /linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  Fix Maple PATA IRQ assignment.
  ahci: use 0x80 as wait stat value instead of 0xff
  sata_via: style clean up, no indirect method call in LLD
  ahci: fix endianness in spurious interrupt message
  libata-sff: Don't call bmdma_stop on non DMA capable controllers
  libata: implement ATA_FLAG_IGN_SIMPLEX and use it in sata_uli
  ahci: improve and limit spurious interrupt messages, take#3
  sata_via: don't diddle with ATA_NIEN in ->freeze
  libata: set_mode, Fix the FIXME
  libata hpt3xn: Hopefully sort out the DPLL logic versus the vendor code
  libata cmd64x: whack into a shape that looks like the documentation

14 years agoFix Maple PATA IRQ assignment.
David Woodhouse [Mon, 1 Jan 2007 19:31:15 +0000 (19:31 +0000)]
Fix Maple PATA IRQ assignment.

On the Maple board, the AMD8111 IDE is in legacy mode... except that it
appears on IRQ 20 instead of IRQ 15. For drivers/ide this was handled by
the architecture's "pci_get_legacy_ide_irq()" function, but in libata we
just hard-code the numbers 14 and 15.

This patch provides asm-powerpc/libata-portmap.h which maps the IRQ as
appropriate, having added a pci_dev argument to the
ATA_{PRIM,SECOND}ARY_IRQ macros.

There's probably a better way to do this -- especially if we observe
that the _only_ case in which this seemingly-generic
"pci_get_legacy_ide_irq()" function returns anything other than 14 and
15 for primary and secondary respectively is the case of the AMD8111 on
the Maple board -- couldn't we handle that with a special case in the
pata_amd driver, or perhaps with a PCI quirk for Maple to switch it into
native mode during early boot and assign resources properly?

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
14 years agoahci: use 0x80 as wait stat value instead of 0xff
Tejun Heo [Fri, 26 Jan 2007 06:37:20 +0000 (15:37 +0900)]
ahci: use 0x80 as wait stat value instead of 0xff

Before hardreset, ahci initialized stat part of received FIS area to
0xff to wait for the first D2H Reg FIS which would change the value to
device ready state.  This used to work but now libata considers status
value of 0xff as device not present making this wait prone to failure.

This patch makes ahci use 0x80 for the wait stat value instead of
0xff to fix the above problem.

Signed-off-by: Tejun Heo <htejun@gmail.com>
 drivers/ata/ahci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
14 years agosata_via: style clean up, no indirect method call in LLD
Tejun Heo [Fri, 26 Jan 2007 05:57:31 +0000 (14:57 +0900)]
sata_via: style clean up, no indirect method call in LLD

Call ata_bmdma_irq_clear() directly instead of through
ap->ops->irq_clear() according to libata style guideline.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
14 years agoahci: fix endianness in spurious interrupt message
Tejun Heo [Fri, 26 Jan 2007 05:47:38 +0000 (14:47 +0900)]
ahci: fix endianness in spurious interrupt message

Fix endianness in spurious interrupt message.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
14 years ago[PATCH] Fix race in efi variable delete code
Matt Domsch [Fri, 26 Jan 2007 08:57:18 +0000 (00:57 -0800)]
[PATCH] Fix race in efi variable delete code

Fix race when deleting an EFI variable and issuing another EFI command on
the same variable.  The removal of the variable from the efivars_list
should be done in efivar_delete and not delayed until the kobject release.

Furthermore, remove the item from the list at module unload time, and use
list_for_each_entry_safe() rather than list_for_each_safe() for
readability.

Tested on ia64.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Matt Domsch <Matt_Domsch@dell.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] netdev: add a MAINTAINERS entry for via-velocity and update my address
Francois Romieu [Fri, 26 Jan 2007 08:57:17 +0000 (00:57 -0800)]
[PATCH] netdev: add a MAINTAINERS entry for via-velocity and update my address

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] core-dumping unreadable binaries via PT_INTERP
Alexey Dobriyan [Fri, 26 Jan 2007 08:57:16 +0000 (00:57 -0800)]
[PATCH] core-dumping unreadable binaries via PT_INTERP

Proposed patch to fix #5 in
http://www.isec.pl/vulnerabilities/isec-0017-binfmt_elf.txt
aka
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1073

To reproduce, do
* grab poc at the end of advisory.
* add line "eph.p_memsz = 4096;" after "eph.p_filesz = 4096;"
  where first "4096" is something equal to or greater than 4096.
* ./poc /usr/bin/sudo && ls -l

Here I get with 2.6.20-rc5:

 -rw------- 1 ad   ad   102400 2007-01-15 19:17 core
 ---s--x--x 2 root root 101820 2007-01-15 19:15 /usr/bin/sudo

Check for MAY_READ like binfmt_misc.c does.

Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] md: remove unnecessary printk when raid5 gets an unaligned read.
NeilBrown [Fri, 26 Jan 2007 08:57:14 +0000 (00:57 -0800)]
[PATCH] md: remove unnecessary printk when raid5 gets an unaligned read.

raid5_mergeable_bvec tries to ensure that raid5 never sees a read request
that does not fit within just one chunk.  However as we must always accept
a single-page read, that is not always possible.

So when "in_chunk_boundary" fails, it might be unusual, but it is not a
problem and printing a message every time is a bad idea.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Fix UML on non-standard VM split hosts
Jeff Dike [Fri, 26 Jan 2007 08:57:12 +0000 (00:57 -0800)]
[PATCH] Fix UML on non-standard VM split hosts

This fixes UML on hosts with non-standard VM splits.  We had changed the
config variable that controls UML behavior on such hosts, but not
propogated the change everywhere.  In particular, the values of STUB_CODE
and STUB_DATA relied on the old variable.

I also reformatted the HOST_VMSPLIT_3G help to make it more standard.

Spotted by uml@flonatel.org.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Blaisorblade <blaisorblade@yahoo.it>
Cc: Pravin <shindepravin@gmail.com>
Cc: <uml@flonatel.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] MM: Remove [PATCH] invalidate_inode_pages2_range() debug
Trond Myklebust [Fri, 26 Jan 2007 08:57:11 +0000 (00:57 -0800)]
[PATCH] MM: Remove [PATCH] invalidate_inode_pages2_range() debug

NFS can handle the case where invalidate_inode_pages2_range() fails, so the
premise behind commit 8258d4a574d3a8c01f0ef68aa26b969398a0e140 is now gone.

Remove the WARN_ON_ONCE() which is causing users grief as we can see from
http://bugzilla.kernel.org/show_bug.cgi?id=7826

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] md: fix potential memalloc deadlock in md
NeilBrown [Fri, 26 Jan 2007 08:57:11 +0000 (00:57 -0800)]
[PATCH] md: fix potential memalloc deadlock in md

If a GFP_KERNEL allocation is attempted in md while the mddev_lock is held,
it is possible for a deadlock to eventuate.

This happens if the array was marked 'clean', and the memalloc triggers a
write-out to the md device.

For the writeout to succeed, the array must be marked 'dirty', and that
requires getting the mddev_lock.

So, before attempting a GFP_KERNEL allocation while holding the lock, make
sure the array is marked 'dirty' (unless it is currently read-only).

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] knfsd: Fix type mismatch with filldir_t used by nfsd
NeilBrown [Fri, 26 Jan 2007 08:57:10 +0000 (00:57 -0800)]
[PATCH] knfsd: Fix type mismatch with filldir_t used by nfsd

nfsd defines a type 'encode_dent_fn' which is much like 'filldir_t' except
that the first pointer is 'struct readdir_cd *' rather than 'void *'.  It
then casts encode_dent_fn points to 'filldir_t' as needed.  This hides any
other type mismatches between the two such as the fact that the 'ino' arg
recently changed from ino_t to u64.

So: get rid of 'encode_dent_fn', get rid of the cast of the function type,
change the first arg of various functions from 'struct readdir_cd *' to
'void *', and live with the fact that we have a little less type checking
on the calling of these functions now.  Less internal (to nfsd) checking
offset by more external checking, which is more important.

Thanks to Gabriel Paubert <paubert@iram.es> for discovering this and
providing an initial patch.

Signed-off-by: Gabriel Paubert <paubert@iram.es>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] fix various kernel-doc in header files
Robert P. J. Day [Fri, 26 Jan 2007 08:57:09 +0000 (00:57 -0800)]
[PATCH] fix various kernel-doc in header files

Fix a number of kernel-doc entries for header files in include/linux by
making sure they begin with the appropriate '/**' notation and use @var
notation.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] remove __devinit markings from rtc_sysfs_add_device()
Mike Frysinger [Fri, 26 Jan 2007 08:57:08 +0000 (00:57 -0800)]
[PATCH] remove __devinit markings from rtc_sysfs_add_device()

rtc_sysfs_add_device is needed even after dev initialization, so drop __devinit.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] dm-multipath: fix stall on noflush suspend/resume
Jun'ichi Nomura [Fri, 26 Jan 2007 08:57:07 +0000 (00:57 -0800)]
[PATCH] dm-multipath: fix stall on noflush suspend/resume

Allow noflush suspend/resume of device-mapper device only for the case
where the device size is unchanged.

Otherwise, dm-multipath devices can stall when resumed if noflush was used
when suspending them, all paths have failed and queue_if_no_path is set.

Explanation:
 1. Something is doing fsync() on the block dev,
    holding inode->i_sem
 2. The fsync write is blocked by all-paths-down and queue_if_no_path
 3. Someone requests to suspend the dm device with noflush.
    Pending writes are left in queue.
 4. In the middle of dm_resume(), __bind() tries to get
    inode->i_sem to do __set_size() and waits forever.

'noflush suspend' is a new device-mapper feature introduced in
early 2.6.20. So I hope the fix being included before 2.6.20 is
released.

Example of reproducer:
 1. Create a multipath device by dmsetup
 2. Fail all paths during mkfs
 3. Do dmsetup suspend --noflush and load new map with healthy paths
 4. Do dmsetup resume

Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] 9p: null terminate error strings for debug print
Eric Van Hensbergen [Fri, 26 Jan 2007 08:57:06 +0000 (00:57 -0800)]
[PATCH] 9p: null terminate error strings for debug print

We weren't properly NULL terminating protocol error strings for our debug
printk resulting in garbage being included in the output when debug was
enabled.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] 9p: fix segfault caused by race condition in meta-data operations
Eric Van Hensbergen [Fri, 26 Jan 2007 08:57:06 +0000 (00:57 -0800)]
[PATCH] 9p: fix segfault caused by race condition in meta-data operations

Running dbench multithreaded exposed a race condition where fid structures
were removed while in use.  This patch adds semaphores to meta-data operations
to protect the fid structure.  Some cleanup of error-case handling in the
inode operations is also included.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] 9p: update documentation regarding server applications
Eric Van Hensbergen [Fri, 26 Jan 2007 08:57:05 +0000 (00:57 -0800)]
[PATCH] 9p: update documentation regarding server applications

Update the documentation to cover using Inferno as a server for 9p and to
include information about spfs (a stable single-threaded stand-alone 9p
server).

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] 9p: fix rename return code
Eric Van Hensbergen [Fri, 26 Jan 2007 08:57:04 +0000 (00:57 -0800)]
[PATCH] 9p: fix rename return code

9p doesn't handle renames between directories -- however, we were returning
EPERM instead of EXDEV when we detected this case.

Signed-off-by: Eric Van Hensbergren <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] 9p: fix bogus return code checks during initialization
Eric Van Hensbergen [Fri, 26 Jan 2007 08:57:04 +0000 (00:57 -0800)]
[PATCH] 9p: fix bogus return code checks during initialization

There is a simple logic error in init_v9fs - the return code checks are
reversed.  This patch fixes the return code and adds some messages to prevent
module initialization from failing silently.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] md: avoid reading past the end of a bitmap file
NeilBrown [Fri, 26 Jan 2007 08:57:03 +0000 (00:57 -0800)]
[PATCH] md: avoid reading past the end of a bitmap file

In most cases we check the size of the bitmap file before reading data from
it.  However when reading the superblock, we always read the first PAGE_SIZE
bytes, which might not always be appropriate.  So limit that read to the size
of the file if appropriate.

Also, we get the count of available bytes wrong in one place, so that too can
read past the end of the file.

Cc: "yang yin" <yinyang801120@gmail.com>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] md: make sure the events count in an md array never returns to zero
NeilBrown [Fri, 26 Jan 2007 08:57:02 +0000 (00:57 -0800)]
[PATCH] md: make sure the events count in an md array never returns to zero

Now that we sometimes step the array events count backwards (when
transitioning dirty->clean where nothing else interesting has happened - so
that we don't need to write to spares all the time), it is possible for the
event count to return to zero, which is potentially confusing and triggers and
MD_BUG.

We could possibly remove the MD_BUG, but is just as easy, and probably safer,
to make sure we never return to zero.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] md: make 'repair' actually work for raid1
NeilBrown [Fri, 26 Jan 2007 08:57:01 +0000 (00:57 -0800)]
[PATCH] md: make 'repair' actually work for raid1

When 'repair' finds a block that is different one the various parts of the
mirror.  it is meant to write a chosen good version to the others.  However it
currently writes out the original data to each.  The memcpy to make all the
data the same is missing.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] md: update email address and status for MD in MAINTAINERS
NeilBrown [Fri, 26 Jan 2007 08:57:01 +0000 (00:57 -0800)]
[PATCH] md: update email address and status for MD in MAINTAINERS

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] knfsd: Don't mess with the 'mode' when storing a exclusive-create cookie
Peter Staubach [Fri, 26 Jan 2007 08:57:00 +0000 (00:57 -0800)]
[PATCH] knfsd: Don't mess with the 'mode' when storing a exclusive-create cookie

NFS V3 (and V4) support exclusive create by passing a 'cookie' which can get
stored with the file.  If the file exists but has exactly the right cookie
stored, then we assume this is a retransmit and the exclusive create was
successful.

The cookie is 64bits and is traditionally stored in the mtime and atime
fields.  This causes a problem with Solaris7 as negative mtime or atime
confuse it.  So we moved two bits into the mode word instead.

But inherited ACLs sometimes overwrite the mode word on create, so this is a
problem.

So we give up and just store 62 of the 64 bits and assume that is close
enough.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] knfsd: replace some warning ins nfsfh.h with BUG_ON or WARN_ON
NeilBrown [Fri, 26 Jan 2007 08:56:59 +0000 (00:56 -0800)]
[PATCH] knfsd: replace some warning ins nfsfh.h with BUG_ON or WARN_ON

A couple of the warnings will be followed by an Oops if they ever fire, so may
as well be BUG_ON.  Another isn't obviously fatal but has never been known to
fire, so make it a WARN_ON.

Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] knfsd: fix an NFSD bug with full sized, non-page-aligned reads
NeilBrown [Fri, 26 Jan 2007 08:56:59 +0000 (00:56 -0800)]
[PATCH] knfsd: fix an NFSD bug with full sized, non-page-aligned reads

NFSd assumes that largest number of pages that will be needed for a
request+response is 2+N where N pages is the size of the largest permitted
read/write request.  The '2' are 1 for the non-data part of the request, and 1
for the non-data part of the reply.

However, when a read request is not page-aligned, and we choose to use
->sendfile to send it directly from the page cache, we may need N+1 pages to
hold the whole reply.  This can overflow and array and cause an Oops.

This patch increases size of the array for holding pages by one and makes sure
that entry is NULL when it is not in use.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] knfsd: fix setting of ACL server versions
NeilBrown [Fri, 26 Jan 2007 08:56:58 +0000 (00:56 -0800)]
[PATCH] knfsd: fix setting of ACL server versions

Due to silly typos, if the nfs versions are explicitly set, no NFSACL versions
get enabled.

Also improve an error message that would have made this bug a little easier to
find.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] knfsd: update email address and status for NFSD in MAINTAINERS
NeilBrown [Fri, 26 Jan 2007 08:56:57 +0000 (00:56 -0800)]
[PATCH] knfsd: update email address and status for NFSD in MAINTAINERS

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Gigaset ISDN driver error handling fixes
Tilman Schmidt [Fri, 26 Jan 2007 08:56:56 +0000 (00:56 -0800)]
[PATCH] Gigaset ISDN driver error handling fixes

Fix several flaws in the error handling of the Siemens Gigaset ISDN driver,
including one that would cause an Oops when connecting more than one device
of the same type.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] ACPI: fix cpufreq regression
Ingo Molnar [Fri, 26 Jan 2007 08:56:55 +0000 (00:56 -0800)]
[PATCH] ACPI: fix cpufreq regression

Recently cpufreq support on my laptop (Lenovo T60) broke completely: when
it's plugged into AC it would never go higher than 1 GHz - neither 1.3 GHz
nor 1.83 GHz is possible - no matter which governor (userspace, speed or
ondemand) is used.

After some cpufreq debugging i tracked the regression back to the following
(totally correct) bug-fix commit:

   commit 0916bd3ebb7cefdd0f432e8491abe24f4b5a101e
   Author: Dave Jones <davej@redhat.com>
   Date:   Wed Nov 22 20:42:01 2006 -0500

    [PATCH] Correct bound checking from the value returned from _PPC method.

This bugfix, which makes other laptops work, made a previously hidden
(BIOS) bug visible on my laptop.

The bug is the following: if the _PPC (Performance Present Capabilities)
optional ACPI object is queried /after/ bootup then the BIOS reports an
incorrect value of '2'.

My laptop (Lenovo T60) has the following performance states supported:

   0: 1833000
   1: 1333000
   2: 1000000

Per ACPI specification, a _PPC value of '0' means that all 3 performance
states are usable.  A _PPC value of '1' means states 1 ..  2 are usable, a
value of '2' means only state '2' (slowest) is usable.

now, the _PPC object is optional, and it also comes with notification.
Furthermore, when a CPU object is initialized, the _PPC object is
initialized as well.  So the following evaluation of the _PPC object is
superfluous:

 [<c028ba5f>] acpi_processor_get_platform_limit+0xa1/0xaf
 [<c028c040>] acpi_processor_register_performance+0x3b9/0x3ef
 [<c0111a85>] acpi_cpufreq_cpu_init+0xb7/0x596
 [<c03dab74>] cpufreq_add_dev+0x160/0x4a8
 [<c02bed90>] sysdev_driver_register+0x5a/0xa0
 [<c03d9c4c>] cpufreq_register_driver+0xb4/0x176
 [<c068ac08>] acpi_cpufreq_init+0xe5/0xeb
 [<c010056e>] init+0x14f/0x3dd

And this is the point where my laptop's BIOS returns the incorrect value of
'2'.  Note that it has not sent any notification event, so the value is
probably not really intentional (possibly spurious), and Windows likely
doesnt query it after bootup either.  Maybe the value is kept at '2'
normally, and is only set to the real value when a true asynchronous event
(such as AC plug event, battery switch, etc.) occurs.

So i /think/ this is a grey area of the ACPI spec: per the letter of the
spec the _PPC value only changes when notified, so there's no reason to
query it after the system has booted up.  So in my opinion the best (and
most compatible) strategy would be to do the change below, and to not
evaluate the _PPC object in the acpi_processor_get_performance_info() call,
but only evaluate it if _PPC is present during CPU object init, or if it's
notified during an asynchronous event.  This change is more permissive than
the previous logic, so it definitely shouldnt break any existing system.

This also happens to fix my laptop, which is merrily chugging along at
1.83 GHz now. Yay!

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Dave Jones <davej@redhat.com>
Acked-by: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] SPI: alternative fix for spi_busnum_to_master
Atsushi Nemoto [Fri, 26 Jan 2007 08:56:54 +0000 (00:56 -0800)]
[PATCH] SPI: alternative fix for spi_busnum_to_master

If a SPI master device exists, udev (udevtrigger) causes kernel crash, due
to wrong kobj pointer in kobject_uevent_env().  This problem was not in
2.6.19.

The backtrace (on MIPS) was:
[<8024db6c>] kobject_uevent_env+0x54c/0x5e8
[<802a8264>] store_uevent+0x1c/0x3c  (in drivers/class.c)
[<801cb14c>] subsys_attr_store+0x2c/0x50
[<801cb80c>] flush_write_buffer+0x38/0x5c
[<801cb900>] sysfs_write_file+0xd0/0x190
[<80181444>] vfs_write+0xc4/0x1a0
[<80181cdc>] sys_write+0x54/0xa0
[<8010dae4>] stack_done+0x20/0x3c

flush_write_buffer() passes kobject of spi_master_class.subsys to
subsys_addr_store(), then subsys_addr_store() passes a pointer to a struct
subsystem to store_uevent() which expects a pointer to a struct
class_device.  The problem seems subsys_attr_store() called instead of
class_device_attr_store().

This mismatch was caused by commit
3bd0f6943520e459659d10f3282285e43d3990f1, which overrides kset of master
class.  This made spi_master_class.subsys.kset.ktype NULL so
subsys_sysfs_ops is used instead of class_dev_sysfs_ops.

The commit was to fix spi_busnum_to_master().  Here is a patch fixes
this function in other way, just searching children list of
class_device.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Fix NULL ->nsproxy dereference in /proc/*/mounts
Alexey Dobriyan [Fri, 26 Jan 2007 08:56:53 +0000 (00:56 -0800)]
[PATCH] Fix NULL ->nsproxy dereference in /proc/*/mounts

/proc/*/mounstats was fixed, all right, but...

To reproduce:

while true; do
find /proc -type f 2>/dev/null | xargs cat 1>/dev/null 2>/dev/null;
done

BUG: unable to handle kernel NULL pointer dereference at virtual address 0000000c
 printing eip:
c01754df
*pde = 00000000
Oops: 0000 [#28]
Modules linked in: af_packet ohci_hcd e1000 ehci_hcd uhci_hcd usbcore xfs
CPU:    0
EIP:    0060:[<c01754df>]    Not tainted VLI
EFLAGS: 00010286   (2.6.20-rc5 #1)
EIP is at mounts_open+0x1c/0xac
eax: 00000000   ebx: d5898ac0   ecx: d1d27b18   edx: d1d27a50
esi: e6083e10   edi: d3c87f38   ebp: d5898ac0   esp: d3c87ef0
ds: 007b   es: 007b   ss: 0068
Process cat (pid: 18071, ti=d3c86000 task=f7d5f070 task.ti=d3c86000)
Stack: d5898ac0 e6083e10 d3c87f38 c01754c3 c0147c91 c18c52c0 d343f314 d5898ac0
       00008000 d3c87f38 ffffff9c c0147e09 d5898ac0 00000000 00000000 c0147e4b
       00000000 d3c87f38 d343f314 c18c52c0 c015e53e 00001000 08051000 00000101
Call Trace:
 [<c01754c3>] mounts_open+0x0/0xac
 [<c0147c91>] __dentry_open+0xa1/0x18c
 [<c0147e09>] nameidata_to_filp+0x31/0x3a
 [<c0147e4b>] do_filp_open+0x39/0x40
 [<c015e53e>] seq_read+0x128/0x2aa
 [<c0147e8c>] do_sys_open+0x3a/0x6d
 [<c0147efa>] sys_open+0x1c/0x20
 [<c0102b76>] sysenter_past_esp+0x5f/0x85
 [<c02a0033>] unix_stream_recvmsg+0x3bf/0x4bf
 =======================
Code: 5d c3 89 d8 e8 06 e0 f9 ff eb bd 0f 0b eb fe 55 57 56 53 89 d5 8b 40 f0 31 d2 e8 02 c1 fa ff 89 c2 85 c0 74 5c 8b 80 48 04 00 00 <8b> 58 0c 85 db 74 02 ff 03 ff 4a 08 0f 94 c0 84 c0 75 74 85 db
EIP: [<c01754df>] mounts_open+0x1c/0xac SS:ESP 0068:d3c87ef0

A race with do_exit()'s call to exit_namespaces().

Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] x86_64 ia32 vDSO: define arch_vma_name
Roland McGrath [Fri, 26 Jan 2007 08:56:52 +0000 (00:56 -0800)]
[PATCH] x86_64 ia32 vDSO: define arch_vma_name

This patch makes x86_64 define arch_vma_name for CONFIG_IA32_EMULATION.  This
makes the ia32 vDSO mapping appear in /proc/PID/maps with "[vdso]" for ia32
processes, as it does on native i386.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] powerpc vDSO: use VM_ALWAYSDUMP
Roland McGrath [Fri, 26 Jan 2007 08:56:51 +0000 (00:56 -0800)]
[PATCH] powerpc vDSO: use VM_ALWAYSDUMP

This patch fixes core dumps to include the vDSO vma, which is left out now.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] x86_64 ia32 vDSO: use VM_ALWAYSDUMP
Roland McGrath [Fri, 26 Jan 2007 08:56:50 +0000 (00:56 -0800)]
[PATCH] x86_64 ia32 vDSO: use VM_ALWAYSDUMP

This patch fixes ia32 core dumps on x86_64 to include just one phdr for the
vDSO vma.  Currently it writes a confused format with two phdrs for the
address, one without contents and one with.  This patch removes the
special-case core writing macros for the ia32 vDSO.  Instead, it uses
VM_ALWAYSDUMP in the vma.  This changes core dumps so they no longer include
the non-PT_LOAD phdrs from the vDSO, consistent with fixed native i386 core
dumps.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] i386 vDSO: use VM_ALWAYSDUMP
Roland McGrath [Fri, 26 Jan 2007 08:56:49 +0000 (00:56 -0800)]
[PATCH] i386 vDSO: use VM_ALWAYSDUMP

This patch fixes core dumps to include the vDSO vma, which is left out now.
It removes the special-case core writing macros, which were not doing the
right thing for the vDSO vma anyway.  Instead, it uses VM_ALWAYSDUMP in the
vma; there is no need for the fixmap page to be installed.  It handles the
CONFIG_COMPAT_VDSO case by making elf_core_dump use the fake vma from
get_gate_vma after real vmas in the same way the /proc/PID/maps code does.

This changes core dumps so they no longer include the non-PT_LOAD phdrs from
the vDSO.  I made the change to add them in the first place, but in turned out
that nothing ever wanted them there since the advent of NT_AUXV.  It's cleaner
to leave them out, and just let the phdrs inside the vDSO image speak for
themselves.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Add VM_ALWAYSDUMP
Roland McGrath [Fri, 26 Jan 2007 08:56:48 +0000 (00:56 -0800)]
[PATCH] Add VM_ALWAYSDUMP

This patch adds the VM_ALWAYSDUMP flag for vm_flags in vm_area_struct.  This
provides a clean explicit way to have a vma always included in core dumps, as
is needed for vDSO's.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Fix gate_vma.vm_flags
Roland McGrath [Fri, 26 Jan 2007 08:56:47 +0000 (00:56 -0800)]
[PATCH] Fix gate_vma.vm_flags

This patch fixes the initialization of gate_vma.vm_flags and
gate_vma.vm_page_prot to reflect reality.  This makes the "[vdso]" line in
/proc/PID/maps correctly show r-xp instead of ---p, when gate_vma is used
(CONFIG_COMPAT_VDSO on i386).

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] Fix CONFIG_COMPAT_VDSO
Roland McGrath [Fri, 26 Jan 2007 08:56:46 +0000 (00:56 -0800)]
[PATCH] Fix CONFIG_COMPAT_VDSO

I wouldn't mind if CONFIG_COMPAT_VDSO went away entirely.  But if it's there,
it should work properly.  Currently it's quite haphazard: both real vma and
fixmap are mapped, both are put in the two different AT_* slots, sysenter
returns to the vma address rather than the fixmap address, and core dumps yet
are another story.

This patch makes CONFIG_COMPAT_VDSO disable the real vma and use the fixmap
area consistently.  This makes it actually compatible with what the old vdso
implementation did.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] spi: fix error setting the spi mode in pxa2xx_spi.c
Justin Clacherty [Fri, 26 Jan 2007 08:56:44 +0000 (00:56 -0800)]
[PATCH] spi: fix error setting the spi mode in pxa2xx_spi.c

Currently the spi mode can be set to the wrong mode if you are switching
from any mode other than mode 0.  This is because the mode is set using a
bitwise or on uncleared bits.  The following patch clears the mode bits
before setting the new mode.  I've also modified it to use the appropriate
defines from pxa-regs.h for readability.

Signed-off-by: Justin Clacherty <justin@redfish-group.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] S3C24XX: fix passing spi chipselect to select routine
Ben Dooks [Fri, 26 Jan 2007 08:56:43 +0000 (00:56 -0800)]
[PATCH] S3C24XX: fix passing spi chipselect to select routine

It turns out that the spi chipselect was not being passed to the set_cs
routine if one was specified in the platform data.

As part of the fix, change to using a set_cs field in the controller state,
and put a default gpio routine in if the data passed does not specify it.

Also remove the //#define DEBUG

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] KVM: SVM: Propagate cpu shutdown events to userspace
Joerg Roedel [Fri, 26 Jan 2007 08:56:42 +0000 (00:56 -0800)]
[PATCH] KVM: SVM: Propagate cpu shutdown events to userspace

This patch implements forwarding of SHUTDOWN intercepts from the guest on to
userspace on AMD SVM.  A SHUTDOWN event occurs when the guest produces a
triple fault (e.g.  on reboot).  This also fixes the bug that a guest reboot
actually causes a host reboot under some circumstances.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] KVM: MMU: Report nx faults to the guest
Avi Kivity [Fri, 26 Jan 2007 08:56:41 +0000 (00:56 -0800)]
[PATCH] KVM: MMU: Report nx faults to the guest

With the recent guest page fault change, we perform access checks on our
own instead of relying on the cpu.  This means we have to perform the nx
checks as well.

Software like the google toolbar on windows appears to rely on this
somehow.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] KVM: MMU: Perform access checks in walk_addr()
Avi Kivity [Fri, 26 Jan 2007 08:56:41 +0000 (00:56 -0800)]
[PATCH] KVM: MMU: Perform access checks in walk_addr()

Check pte permission bits in walk_addr(), instead of scattering the checks all
over the code.  This has the following benefits:

1. We no longer set the accessed bit for accessed which fail permission checks.
2. Setting the accessed bit is simplified.
3. Under some circumstances, we used to pretend a page fault was fixed when
   it would actually fail the access checks.  This caused an unnecessary
   vmexit.
4. The error code for guest page faults is now correct.

The fix helps netbsd further along booting, and allows kvm to pass the new mmu
testsuite.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] KVM: Emulate IA32_MISC_ENABLE msr
Avi Kivity [Fri, 26 Jan 2007 08:56:40 +0000 (00:56 -0800)]
[PATCH] KVM: Emulate IA32_MISC_ENABLE msr

This allows netbsd 3.1 i386 to get further along installing.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[PATCH] KVM: SVM: Fix SVM idt confusion
Leonard Norrgard [Fri, 26 Jan 2007 08:56:38 +0000 (00:56 -0800)]
[PATCH] KVM: SVM: Fix SVM idt confusion

There's an obvious typo in svm_{get,set}_idt, causing it to access the ldt
instead.

Because these functions are only called for save/load on AMD, the bug does not
impact normal operation.  With the fix, save/load works as expected on AMD
hosts.

Signed-off-by: Uri Lublin <uril@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoWrite back inode data pages even when the inode itself is locked
Linus Torvalds [Fri, 26 Jan 2007 20:53:20 +0000 (12:53 -0800)]
Write back inode data pages even when the inode itself is locked

In __writeback_single_inode(), when we find a locked inode and we're not
doing a data-integrity sync, we used to just skip writing entirely,
since we didn't want to wait for the inode to unlock.

However, there's really no reason to skip writing the data pages, which
are likely to be the the bulk of the dirty state anyway (and the main
reason why writeback was started for the non-data-integrity case, of
course!)

Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andrew Morton <akpm@osdl.org>,
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoResurrect 'try_to_free_buffers()' VM hackery
Linus Torvalds [Fri, 26 Jan 2007 20:47:06 +0000 (12:47 -0800)]
Resurrect 'try_to_free_buffers()' VM hackery

It's not pretty, but it appears that ext3 with data=journal will clean
pages without ever actually telling the VM that they are clean.  This,
in turn, will result in the VM (and balance_dirty_pages() in particular)
to never realize that the pages got cleaned, and wait forever for an
event that already happened.

Technically, this seems to be a problem with ext3 itself, but it used to
be hidden by 'try_to_free_buffers()' noticing this situation on its own,
and just working around the filesystem problem.

This commit re-instates that hack, in order to avoid a regression for
the 2.6.20 release. This fixes bugzilla 7844:

http://bugzilla.kernel.org/show_bug.cgi?id=7844

Peter Zijlstra points out that we should probably retain the debugging
code that this removes from cancel_dirty_page(), and I agree, but for
the imminent release we might as well just silence the warning too
(since it's not a new bug: anything that triggers that warning has been
around forever).

Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[AVR32] Update ATSTK1000 defconfig: Enable macb by default
Haavard Skinnemoen [Fri, 26 Jan 2007 12:19:48 +0000 (13:19 +0100)]
[AVR32] Update ATSTK1000 defconfig: Enable macb by default

Enable the Atmel MACB ethernet driver by default on ATSTK1000.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
14 years ago[AVR32] Export clear_page symbol
Haavard Skinnemoen [Fri, 26 Jan 2007 12:12:25 +0000 (13:12 +0100)]
[AVR32] Export clear_page symbol

Add missing EXPORT_SYMBOL(clear_page), allowing ext3 to be compiled
as a module.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
14 years ago[NETFILTER]: nf_conntrack_pptp: fix NAT setup of expected GRE connections
Patrick McHardy [Fri, 26 Jan 2007 09:07:59 +0000 (01:07 -0800)]
[NETFILTER]: nf_conntrack_pptp: fix NAT setup of expected GRE connections

When an expected connection arrives, the NAT helper should be called to
set up NAT similar to the master connection. The PPTP conntrack helper
incorrectly checks whether the _expected_ connection has NAT setup before
calling the NAT helper (which is never the case), instead of checkeing
whether the _master_ connection is NATed.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[NETFILTER]: nf_nat_pptp: fix expectation removal
Patrick McHardy [Fri, 26 Jan 2007 09:07:30 +0000 (01:07 -0800)]
[NETFILTER]: nf_nat_pptp: fix expectation removal

When removing the expectation for the opposite direction, the PPTP NAT
helper initializes the tuple for lookup with the addresses of the
opposite direction, which makes the lookup fail.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[NETFILTER]: nf_nat: fix ICMP translation with statically linked conntrack
Patrick McHardy [Fri, 26 Jan 2007 09:06:47 +0000 (01:06 -0800)]
[NETFILTER]: nf_nat: fix ICMP translation with statically linked conntrack

When nf_nat/nf_conntrack_ipv4 are linked statically, nf_nat is initialized
before nf_conntrack_ipv4, which makes the nf_ct_l3proto_find_get(AF_INET)
call during nf_nat initialization return the generic l3proto instead of
the AF_INET specific one. This breaks ICMP error translation since the
generic protocol always initializes the IPs in the tuple to 0.

Change the linking order and put nf_conntrack_ipv4 first.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[TCP]: Restore SKB socket owner setting in tcp_transmit_skb().
David S. Miller [Fri, 26 Jan 2007 09:04:55 +0000 (01:04 -0800)]
[TCP]: Restore SKB socket owner setting in tcp_transmit_skb().

Revert 931731123a103cfb3f70ac4b7abfc71d94ba1f03

We can't elide the skb_set_owner_w() here because things like certain
netfilter targets (such as owner MATCH) need a socket to be set on the
SKB for correct operation.

Thanks to Jan Engelhardt and other netfilter list members for
pointing this out.

Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[AF_PACKET]: Check device down state before hard header callbacks.
David S. Miller [Fri, 26 Jan 2007 03:30:36 +0000 (19:30 -0800)]
[AF_PACKET]: Check device down state before hard header callbacks.

If the device is down, invoking the device hard header callbacks
is not legal, so check it early.

Based upon a shaper OOPS report from Frederik Deweerdt.

Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[PATCH] x86_64: fix put_user for 64-bit constant
Roland McGrath [Fri, 26 Jan 2007 01:19:51 +0000 (17:19 -0800)]
[PATCH] x86_64: fix put_user for 64-bit constant

On x86-64, a put_user call using a 64-bit pointer and a constant value that
is > 0xffffffff will produce code that doesn't assemble.  This patch fixes
the asm construct to use the Z constraint for 32-bit constants.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years ago[DECNET]: Handle a failure in neigh_parms_alloc (take 2)
Eric W. Biederman [Thu, 25 Jan 2007 23:51:51 +0000 (15:51 -0800)]
[DECNET]: Handle a failure in neigh_parms_alloc (take 2)

While enhancing the neighbour code to handle multiple network
namespaces I noticed that decnet is assuming neigh_parms_alloc
will allways succeed, which is clearly wrong.  So handle the
failure.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Steven Whitehouse <steve@chygwyn.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[BNX2]: Fix 2nd port's MAC address.
Michael Chan [Thu, 25 Jan 2007 23:49:56 +0000 (15:49 -0800)]
[BNX2]: Fix 2nd port's MAC address.

On the 5709, we need to add the proper offset to calculate the shared
memory base address of the 2nd port correctly.  Otherwise, the 2nd
port's MAC address and other information will be the same as the 1st
port.

Update version to 1.5.4.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years agolibata-sff: Don't call bmdma_stop on non DMA capable controllers
Alan [Thu, 25 Jan 2007 15:09:05 +0000 (15:09 +0000)]
libata-sff: Don't call bmdma_stop on non DMA capable controllers

Fixes bogus accesses to ports 0-15 with a non DMA capable controller.
This I think should go in for 2.6.20

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
14 years agolibata: implement ATA_FLAG_IGN_SIMPLEX and use it in sata_uli
Tejun Heo [Thu, 25 Jan 2007 10:40:05 +0000 (19:40 +0900)]
libata: implement ATA_FLAG_IGN_SIMPLEX and use it in sata_uli

Some uli controllers have stuck SIMPLEX bit which can't be cleared
with ata_pci_clear_simplex(), but the controller is capable of doing
DMAs on both channels simultaneously.  Implement ATA_FLAG_IGN_SIMPLEX
which makes libata ignore the simplex bit and use it in sata_uli.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
14 years agoahci: improve and limit spurious interrupt messages, take#3
Tejun Heo [Thu, 25 Jan 2007 10:16:28 +0000 (19:16 +0900)]
ahci: improve and limit spurious interrupt messages, take#3

We're still seeing a lot of issues with NCQ implementation in drive
firmwares.  Sprious FISes during NCQ command phase occur on many
drives and some of them seem potentially dangerous (at least to me).
Until we find the solution, spurious messages can give us more info.
Improve and limit them such that more info can be reported while not
disturbing users too much.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
14 years agosata_via: don't diddle with ATA_NIEN in ->freeze
Tejun Heo [Thu, 25 Jan 2007 11:46:59 +0000 (20:46 +0900)]
sata_via: don't diddle with ATA_NIEN in ->freeze

vt6420 completely loses its ability to raise IRQ for ATAPI devices if
ATA_NIEN is diddled with in ->freeze.  Further investigation is
necessary to determine whether this problem is shared on other
controllers but it doesn't seem to be at this point.

Make vt6420's ->freeze only clear IRQ to fix this problem.  This makes
vt6420 relatively more prone to IRQ storms but the controller is way
too braindamaged to worry about that anyway.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
14 years ago[TCP]: Fix sorting of SACK blocks.
Baruch Even [Thu, 25 Jan 2007 21:35:06 +0000 (13:35 -0800)]
[TCP]: Fix sorting of SACK blocks.

The sorting of SACK blocks actually munges them rather than sort,
causing the TCP stack to ignore some SACK information and breaking the
assumption of ordered SACK blocks after sorting.

The sort takes the data from a second buffer which isn't moved causing
subsequent data moves to occur from the wrong location. The fix is to
use a temporary buffer as a normal sort does.

Signed-off-By: Baruch Even <baruch@ev-en.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
14 years ago[ARM] 4111/1: Allow VFP to work with thread migration on SMP
Catalin Marinas [Wed, 24 Jan 2007 17:47:08 +0000 (18:47 +0100)]
[ARM] 4111/1: Allow VFP to work with thread migration on SMP

The current lazy saving of the VFP registers is no longer possible
with thread migration on SMP. This patch implements a per-CPU
vfp-state pointer and the saving of the VFP registers at every context
switch. The registers restoring is still performed in a lazy way.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years ago[ARM] 4112/1: Only ioremap to supersections if DOMAIN_IO is zero
Catalin Marinas [Thu, 25 Jan 2007 13:16:47 +0000 (14:16 +0100)]
[ARM] 4112/1: Only ioremap to supersections if DOMAIN_IO is zero

Supersections do not have a field for the domain and it is always
0. This patch prevents the creation of supersections during ioremap
when DOMAIN_IO is not zero (i.e. !defined(CONFIG_IO_36)).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoLinux 2.6.20-rc6 v2.6.20-rc6
Linus Torvalds [Thu, 25 Jan 2007 02:19:28 +0000 (18:19 -0800)]
Linux 2.6.20-rc6

14 years agolibata: set_mode, Fix the FIXME
Alan [Wed, 24 Jan 2007 11:47:07 +0000 (11:47 +0000)]
libata: set_mode, Fix the FIXME

When set_mode() changed ->set_mode didn't adapt. This makes the needed
changes and removes the relevant FIXME case.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>