12 years ago[CPUFREQ] move policy's governor initialisation out of low-level drivers into cpufreq...
Thomas Renninger [Tue, 2 Oct 2007 20:28:09 +0000]
[CPUFREQ] move policy's governor initialisation out of low-level drivers into cpufreq core

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Andi Kleen <ak@suse.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>

12 years ago[CPUFREQ] Longhaul - Add support for PM133 northbridge
Rafał Bilski [Wed, 26 Sep 2007 15:08:14 +0000]
[CPUFREQ] Longhaul - Add support for PM133 northbridge

Add support for PM133 northbridge. Tested by Sylvain Ferrand.

Signed-off-by: Rafal Bilski <rafalbilski@interia.pl>
Signed-off-by: Dave Jones <davej@redhat.com>

12 years ago[CPUFREQ] x86: use num_online_nodes to get physical cpus numbers for
Yinghai Lu [Thu, 23 Aug 2007 01:44:20 +0000]
[CPUFREQ] x86: use num_online_nodes to get physical cpus numbers for
powernow_k8

[PATCH] x86: use num_online_nodes to get physical cpus numbers for powernow_k8

For opteron based system, don't assume all physical cpus have the same booted cpus even same cores. esp for downcore case.

Signed-off-by: Yinghai Lu <yinghai.sun.com>
Signed-off-by: Dave Jones <davej@redhat.com>

12 years agoMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
Linus Torvalds [Wed, 3 Oct 2007 22:44:10 +0000]
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:
  drivers/ata/pata_ixp4xx_cf.c: ioremap return code check
  Ata: pata_marvell, use ioread* for iomap-ped memory
  libata: fix for sata_mv >64KB DMA segments

12 years agoMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
Linus Torvalds [Wed, 3 Oct 2007 22:43:36 +0000]
Merge branch 'upstream-linus' of /linux/kernel/git/jgarzik/netdev-2.6

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  sky2: jumbo frame regression fix
  [PATCH] softmac: Fix compiler-warning
  [PATCH] bcm43xx: Correct printk with PFX before KERN_

12 years agoMerge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Linus Torvalds [Wed, 3 Oct 2007 22:43:17 +0000]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Terminally fix local_{dec,sub}_if_positive
  [MIPS] Type proof reimplementation of cmpxchg.
  [MIPS] pg-r4k.c: Fix a typo in an R4600 v2 erratum workaround

12 years agoMerge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney...
Linus Torvalds [Wed, 3 Oct 2007 22:34:07 +0000]
Merge branch 'for-linus' of /linux/kernel/git/cooloney/blackfin-2.6

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6:
  Blackfin arch: fix PORT_J BUG for BF537/6 EMAC driver reported by Kalle Pokki <kalle.pokki@iki.fi>
  Blackfin arch: gpio pinmux and resource allocation API required by BF537 on chip ethernet mac driver
  Blackfin arch: add some missing syscall
  binfmt_flat: checkpatch fixing minimum support for the blackfin relocations
  Binfmt_flat: Add minimum support for the Blackfin relocations

12 years agodrivers/ata/pata_ixp4xx_cf.c: ioremap return code check
Scott Thompson [Tue, 2 Oct 2007 20:53:01 +0000]
drivers/ata/pata_ixp4xx_cf.c: ioremap return code check

Add missing ioremap return checks.

Signed-off-by: Scott Thompson <postfail <at> hushmail.com>
Acked-by: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agoAta: pata_marvell, use ioread* for iomap-ped memory
Jiri Slaby [Tue, 2 Oct 2007 20:53:01 +0000]
Ata: pata_marvell, use ioread* for iomap-ped memory

pata_marvell, use ioread* for iomap-ped memory

read* on pci_iomapped memory is incorrect, fix it

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agolibata: fix for sata_mv >64KB DMA segments
Olof Johansson [Wed, 3 Oct 2007 01:45:27 +0000]
libata: fix for sata_mv >64KB DMA segments

Fix bug in sata_mv for cases where the IOMMU layer has merged SG entries
to larger than 64KB. They need to be split up before being sent to
the driver.

Just for simplicity's sake, split up at 64K boundary instead of 64K size,
since that's what the common code does anyway.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agoocfs2: Unlock mutex in local alloc failure case
Sunil Mushran [Fri, 21 Sep 2007 18:41:43 +0000]
ocfs2: Unlock mutex in local alloc failure case

The fs was not unlocking the local alloc inode mutex in the code path in
which it failed to find a window of free bits in the global bitmap.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

12 years agosky2: jumbo frame regression fix
Stephen Hemminger [Wed, 3 Oct 2007 01:02:09 +0000]
sky2: jumbo frame regression fix

Remove unneeded check that caused problems with jumbo frame sizes.
The check was recently added and is wrong.
When using jumbo frames the sky2 driver does fragmentation, so
rx_data_size is less than mtu.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agoMerge branch 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/kernel/git/linvill...
Jeff Garzik [Wed, 3 Oct 2007 17:39:16 +0000]
Merge branch 'fixes-jgarzik' of git://git./linux/kernel/git/linville/wireless-2.6 into upstream-fixes

12 years agoBlackfin arch: fix PORT_J BUG for BF537/6 EMAC driver reported by Kalle Pokki <kalle...
Michael Hennerich [Wed, 3 Oct 2007 16:36:18 +0000]
Blackfin arch: fix PORT_J BUG for BF537/6 EMAC driver reported by Kalle Pokki <kalle.pokki@iki.fi>

Cc: Kalle Pokki <kalle.pokki@iki.fi>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

12 years agoBlackfin arch: gpio pinmux and resource allocation API required by BF537 on chip...
Michael Hennerich [Wed, 3 Oct 2007 16:35:05 +0000]
Blackfin arch: gpio pinmux and resource allocation API required by BF537 on chip ethernet mac driver

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

12 years ago[MIPS] Terminally fix local_{dec,sub}_if_positive
Ralf Baechle [Wed, 3 Oct 2007 13:29:19 +0000]
[MIPS] Terminally fix local_{dec,sub}_if_positive

They contain 64-bit instructions so wouldn't work on 32-bit kernels or
32-bit hardware.  Since there are no users, blow them away.  They
probably were only ever created because there are atomic_sub_if_positive
and atomic_dec_if_positive which exist only for sake of semaphores.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[MIPS] Type proof reimplementation of cmpxchg.
Ralf Baechle [Mon, 1 Oct 2007 03:15:00 +0000]
[MIPS] Type proof reimplementation of cmpxchg.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[MIPS] pg-r4k.c: Fix a typo in an R4600 v2 erratum workaround
Maciej W. Rozycki [Tue, 2 Oct 2007 13:47:22 +0000]
[MIPS] pg-r4k.c: Fix a typo in an R4600 v2 erratum workaround

Restore a load from KSEG1 done as a workaround for an R4600 v2
erratum, dropped with 211be16de99a7424e66c0b6c0d00e2c970508ac2.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[PATCH] softmac: Fix compiler-warning
Richard Knutsson [Mon, 1 Oct 2007 00:24:38 +0000]
[PATCH] softmac: Fix compiler-warning

CC net/ieee80211/softmac/ieee80211softmac_wx.o
/home/kernel/src/net/ieee80211/softmac/ieee80211softmac_wx.c: In function â\200\230ieee80211softmac_wx_set_essidâ\200\231:
/home/kernel/src/net/ieee80211/softmac/ieee80211softmac_wx.c:117: warning: label â\200\230outâ\200\231 defined but not used

due to commit: efe870f9f4ad74410a18ecbf0d9ba7c14b50a0fb. Removing the label.

Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

12 years ago[PATCH] bcm43xx: Correct printk with PFX before KERN_
Joe Perches [Tue, 2 Oct 2007 19:57:11 +0000]
[PATCH] bcm43xx: Correct printk with PFX before KERN_

Correct printk with PFX before KERN_ in bcm43xx_wx.c

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

12 years agoMerge branch 'sas-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6
Linus Torvalds [Tue, 2 Oct 2007 17:41:06 +0000]
Merge branch 'sas-fixes' of /linux/kernel/git/jgarzik/misc-2.6

* 'sas-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
  aic94xx: fix DMA data direction for SMP requests

12 years agoMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
Linus Torvalds [Tue, 2 Oct 2007 17:40:40 +0000]
Merge branch 'upstream-linus' of /linux/kernel/git/jgarzik/netdev-2.6

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  dm9601: Fix receive MTU
  mv643xx_eth: Do not modify struct netdev tx_queue_len
  qla3xxx: bugfix: Fix VLAN rx completion handling.
  qla3xxx: bugfix: Add memory barrier before accessing rx completion.

12 years agoMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
Linus Torvalds [Tue, 2 Oct 2007 17:40:20 +0000]
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:
  ata_piix: add another TECRA M3 entry to broken suspend list

12 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched
Linus Torvalds [Tue, 2 Oct 2007 17:38:13 +0000]
Merge git://git./linux/kernel/git/mingo/linux-2.6-sched

* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
  sched: fix profile=sleep

12 years agoMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Linus Torvalds [Tue, 2 Oct 2007 17:35:28 +0000]
Merge branch 'master' of /linux/kernel/git/davem/sparc-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Fix missing load-twin usage in Niagara-1 memcpy.
  [SPARC64]: Fix put_user() calls in binfmt_aout32.c
  [SPARC]: Fix EBUS use of uninitialized variable.

12 years agoMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Tue, 2 Oct 2007 17:34:49 +0000]
Merge branch 'master' of /linux/kernel/git/davem/net-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [IEEE80211]: avoid integer underflow for runt rx frames
  [TCP]: secure_tcp_sequence_number() should not use a too fast clock
  [SFQ]: Remove artificial limitation for queue limit.

12 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
Linus Torvalds [Tue, 2 Oct 2007 17:33:49 +0000]
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 xics set_affinity code

12 years agoaic94xx: fix DMA data direction for SMP requests
Jeff Garzik [Tue, 2 Oct 2007 17:16:10 +0000]
aic94xx: fix DMA data direction for SMP requests

DMA-mapped SMP (scsi management protocol) requests going /to/ the device
need the PCI DMA data direction to indicate such.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

12 years agodm9601: Fix receive MTU
Peter Korsgaard [Mon, 1 Oct 2007 11:36:07 +0000]
dm9601: Fix receive MTU

dm9601 didn't take the ethernet header into account when calculating
RX MTU, causing packets bigger than 1486 to fail.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agomv643xx_eth: Do not modify struct netdev tx_queue_len
Dale Farnsworth [Mon, 1 Oct 2007 23:02:18 +0000]
mv643xx_eth: Do not modify struct netdev tx_queue_len

This driver erroneously zeros dev->tx_queue_len, since
mp->tx_ring_size has not yet been initialized.  Actually,
the driver shouldn't modify tx_queue_len at all and should
leave the value set by alloc_etherdev(), currently 1000.

Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agoqla3xxx: bugfix: Fix VLAN rx completion handling.
Ron Mercer [Mon, 1 Oct 2007 18:43:23 +0000]
qla3xxx: bugfix: Fix VLAN rx completion handling.

Fix 4032 chip undocumented "feature" where bit-8 is set
if the inbound completion is for a VLAN.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agoqla3xxx: bugfix: Add memory barrier before accessing rx completion.
Ron Mercer [Mon, 1 Oct 2007 18:43:22 +0000]
qla3xxx: bugfix: Add memory barrier before accessing rx completion.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agoata_piix: add another TECRA M3 entry to broken suspend list
Tejun Heo [Sun, 30 Sep 2007 08:11:20 +0000]
ata_piix: add another TECRA M3 entry to broken suspend list

There's a different version of DMI table for TECRA M3 where it has
proper vendor and product name entry.  Add the entry to the broken
suspend list.

Angus Turnbull reported and provided initial patch.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Angus Turnbull <angus@twinhelix.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agosched: fix profile=sleep
Ingo Molnar [Tue, 2 Oct 2007 12:13:08 +0000]
sched: fix profile=sleep

fix sleep profiling - we lost this chunk in the CFS merge.

Found-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

12 years ago[SPARC64]: Fix missing load-twin usage in Niagara-1 memcpy.
David S. Miller [Tue, 2 Oct 2007 08:03:09 +0000]
[SPARC64]: Fix missing load-twin usage in Niagara-1 memcpy.

For the case where the source is not aligned modulo 8
we don't use load-twins to suck the data in and this
kills performance since normal loads allocate in the
L1 cache (unlike load-twin) and thus big memcpys swipe
the entire L1 D-cache.

We need to allocate a register window to implement this
properly, but that actually simplifies a lot of things
as a nice side-effect.

Signed-off-by: David S. Miller <davem@davemloft.net>

12 years ago[IEEE80211]: avoid integer underflow for runt rx frames
John W. Linville [Tue, 2 Oct 2007 04:03:54 +0000]
[IEEE80211]: avoid integer underflow for runt rx frames

Reported by Chris Evans <scarybeasts@gmail.com>:

> The summary is that an evil 80211 frame can crash out a victim's
> machine. It only applies to drivers using the 80211 wireless code, and
> only then to certain drivers (and even then depends on a card's
> firmware not dropping a dubious packet). I must confess I'm not
> keeping track of Linux wireless support, and the different protocol
> stacks etc.
>
> Details are as follows:
>
> ieee80211_rx() does not explicitly check that "skb->len >= hdrlen".
> There are other skb->len checks, but not enough to prevent a subtle
> off-by-two error if the frame has the IEEE80211_STYPE_QOS_DATA flag
> set.
>
> This leads to integer underflow and crash here:
>
> if (frag != 0)
>    flen -= hdrlen;
>
> (flen is subsequently used as a memcpy length parameter).

How about this?

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

12 years ago[TCP]: secure_tcp_sequence_number() should not use a too fast clock
Eric Dumazet [Mon, 1 Oct 2007 20:58:36 +0000]
[TCP]: secure_tcp_sequence_number() should not use a too fast clock

TCP V4 sequence numbers are 32bits, and RFC 793 assumed a 250 KHz clock.
In order to follow network speed increase, we can use a faster clock, but
we should limit this clock so that the delay between two rollovers is
greater than MSL (TCP Maximum Segment Lifetime : 2 minutes)

Choosing a 64 nsec clock should be OK, since the rollovers occur every
274 seconds.

Problem spotted by Denys Fedoryshchenko

[ This bug was introduced by f85958151900f9d30fa5ff941b0ce71eaa45a7de ]

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

12 years ago[SFQ]: Remove artificial limitation for queue limit.
Alexey Kuznetsov [Mon, 1 Oct 2007 00:51:33 +0000]
[SFQ]: Remove artificial limitation for queue limit.

This is followup to Patrick's patch. A little optimization to enqueue
routine allows to remove artificial limitation on queue length.

Plus, testing showed that hash function used by SFQ is too bad or even worse.
It does not even sweep the whole range of hash values.
Switched to Jenkins' hash.

Signed-off-by: Alexey Kuznetsov <kaber@ms2.inr.ac.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

12 years agoLinux 2.6.23-rc9
Linus Torvalds [Tue, 2 Oct 2007 03:24:52 +0000]
Linux 2.6.23-rc9

No, I didn't want to do this, but we had more stuff go in after -rc8
than we had in the previous -rc. Gaah.

12 years agoMerge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Linus Torvalds [Tue, 2 Oct 2007 03:15:45 +0000]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] vmlinux.lds.S: Handle note sections
  [MIPS] Fix value of O_TRUNC

12 years agox86_64: increase VDSO_TEXT_OFFSET for ancient binutils
Andi Kleen [Mon, 1 Oct 2007 08:20:08 +0000]
x86_64: increase VDSO_TEXT_OFFSET for ancient binutils

For some reason old binutils genertate larger headers so increase the text
offset of the vdso to avoid linker errors.

Roland McGrath explains:
  "There are extra symbols in the '.dynsym' section that are responsible
   for the size difference (They also cause corresponding inflation in
   '.gnu.version')

   Older ld's wrongly generated these unneeded symbols in .dynsym.  This
   was fixed not all that long ago (2006); binutils-2.17.50.0.6 might be
   the first fixed version, but I have not verified for sure where the
   cutoff was.

   The unneeded symbols et al from old ld add almost 700 bytes excess.
   This limits fairly tightly the amount by which the actual text and
   data in the vDSO can grow in the future without pushing the whole
   file over 4kb.  If it does grow later on, we should consider changing
   the layout with a config option or something to pack it better
   without that padding, when building the kernel with newer binutils."

Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Roland McGrath <roland@redhat.com>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years ago[POWERPC] Fix xics set_affinity code
Anton Blanchard [Sun, 30 Sep 2007 21:45:55 +0000]
[POWERPC] Fix xics set_affinity code

On a POWER6 machine running 2.6.23-rc8 I sometimes see the following error:

xics_set_affinity: No online cpus in the mask 00000000,00000000,00000000,00000001 for irq 20

In a desperate attempt to get a changelog entry in 2.6.23, I took a look
into it.

It turns out we are passing a real and not a virtual irq into
get_irq_server.  This works for the case where hwirq < NR_IRQS and we
set virq = hwirq.  In my case however hwirq = 590082 and we try and
access irq_desc[590082], slightly past the end at 512 entries.

Lucky we ship lots of memory with our machines.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

12 years agoFix possible splice() mmap_sem deadlock
Linus Torvalds [Mon, 1 Oct 2007 20:17:28 +0000]
Fix possible splice() mmap_sem deadlock

Nick Piggin points out that splice isn't being good about the mmap
semaphore: while two readers can nest inside each others, it does leave
a possible deadlock if a writer (ie a new mmap()) comes in during that
nesting.

Original "just move the locking" patch by Nick, replaced by one by me
based on an optimistic pagefault_disable().  And then Jens tested and
updated that patch.

Reported-by: Nick Piggin <npiggin@suse.de>
Tested-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoMerge branch 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/kernel/git/linvill...
Linus Torvalds [Mon, 1 Oct 2007 20:11:48 +0000]
Merge branch 'fixes-jgarzik' of git://git./linux/kernel/git/linville/wireless-2.6

* 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6:
  [PATCH] libertas: build problems when partially modular

12 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Mon, 1 Oct 2007 20:08:22 +0000]
Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] Resolve PCI section warnings

12 years agoMerge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Mon, 1 Oct 2007 15:02:57 +0000]
Merge branch 'master' of ssh:///linux/kernel/git/mchehab/v4l-dvb

* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
  V4L/DVB (6052): ivtv: fix udma yuv bug

12 years agoMerge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6
Linus Torvalds [Mon, 1 Oct 2007 14:59:39 +0000]
Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6

* 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6:
  Revert "[XFS] Avoid replaying inode buffer initialisation log items if ..

[ Fixed it and added some commit messages by hand to that branch   - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoRevert "[XFS] Avoid replaying inode buffer initialisation log items if on-disk versio...
Tim Shimmin [Mon, 1 Oct 2007 06:39:37 +0000]
Revert "[XFS] Avoid replaying inode buffer initialisation log items if on-disk version is newer."

This reverts commit b394e43e995d08821588a22561c6a71a63b4ff27.

Lachlan McIlroy says:
    It tried to fix an issue where log replay is replaying an inode cluster
    initialisation transaction that should not be replayed because the inode
    cluster on disk is more up to date.  Since we don't log file sizes (we
    rely on inode flushing to get them to disk) then we can't just replay
    all the transations in the log and expect the inode to be completely
    restored.  We lose file size updates.  Unfortunately this fix is causing
    more (serious) problems than it is fixing.

SGI-PV: 969656
SGI-Modid: xfs-linux-melb:xfs-kern:29804a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

12 years agorobust futex thread exit race
Martin Schwidefsky [Mon, 1 Oct 2007 08:20:13 +0000]
robust futex thread exit race

Calling handle_futex_death in exit_robust_list for the different robust
mutexes of a thread basically frees the mutex.  Another thread might grab
the lock immediately which updates the next pointer of the mutex.
fetch_robust_entry over the next pointer might therefore branch into the
robust mutex list of a different thread.  This can cause two problems: 1)
some mutexes held by the dead thread are not getting freed and 2) some
mutexs held by a different thread are freed.

The next point need to be read before calling handle_futex_death.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoVT ioctl race fix
Samuel Ortiz [Mon, 1 Oct 2007 08:20:12 +0000]
VT ioctl race fix

When calling the RELDISP VT ioctl, we are reading vt_newvt while the
console workqueue could be messing with it (through change_console()).  We
fix this race by taking the console semaphore before reading vt_newvt.

Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Acked-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoFix SMP poweroff hangs
Mark Lord [Mon, 1 Oct 2007 08:20:10 +0000]
Fix SMP poweroff hangs

We need to disable all CPUs other than the boot CPU (usually 0) before
attempting to power-off modern SMP machines.  This fixes the
hang-on-poweroff issue on my MythTV SMP box, and also on Thomas Gleixner's
new toybox.

Signed-off-by: Mark Lord <mlord@pobox.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agohugetlb: fix clear_user_highpage arguments
Ralf Baechle [Mon, 1 Oct 2007 08:20:10 +0000]
hugetlb: fix clear_user_highpage arguments

The virtual address space argument of clear_user_highpage is supposed to be
the virtual address where the page being cleared will eventually be mapped.
 This allows architectures with virtually indexed caches a few clever
tricks.  That sort of trick falls over in painful ways if the virtual
address argument is wrong.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoAdd /dev/oldmem to devices.txt documentation
Dave Jones [Mon, 1 Oct 2007 08:20:09 +0000]
Add /dev/oldmem to devices.txt documentation

Signed-off-by: Dave Jones <davej@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <device@lanana.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years ago[MIPS] vmlinux.lds.S: Handle note sections
Maciej W. Rozycki [Mon, 1 Oct 2007 12:24:04 +0000]
[MIPS] vmlinux.lds.S: Handle note sections

Store any note sections after the exception tables like the other
architectures do.  This is required for .note.gnu.build-id emitted from
binutils 2.18 onwards if nothing else.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[MIPS] Fix value of O_TRUNC
Ralf Baechle [Sat, 29 Sep 2007 23:45:08 +0000]
[MIPS] Fix value of O_TRUNC

A "cleanup" almost two years ago deleted the old definition from
<asm/fcntl.h>, so asm-generic/fcntl.h defaulted it to the the same
value as FASYNC ...   which happened to be the wrong thing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[PATCH] libertas: build problems when partially modular
Randy Dunlap [Mon, 1 Oct 2007 00:35:39 +0000]
[PATCH] libertas: build problems when partially modular

Fix missing symbols in libertas USB driver when it is modular and rest
of libertas is built-in.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

12 years ago[SPARC64]: Fix put_user() calls in binfmt_aout32.c
David S. Miller [Mon, 1 Oct 2007 00:00:34 +0000]
[SPARC64]: Fix put_user() calls in binfmt_aout32.c

argv and envp are pointers to u32's in userspace, so don't
try to put_user() a NULL to them.

Aparently gcc-4.2.x now warns about this, and since we use
-Werror for arch/sparc64 code, this breaks the build.

Signed-off-by: David S. Miller <davem@davemloft.net>

12 years ago[ARM] Resolve PCI section warnings
Russell King [Sun, 30 Sep 2007 16:36:22 +0000]
[ARM] Resolve PCI section warnings

Fix the following (valid) section warnings:

WARNING: vmlinux.o(.text+0xf7b5c): Section mismatch: reference to .init.text:pcibios_fixup_bus (between 'pci_scan_child_bus' and 'pci_scan_bridge')
WARNING: vmlinux.o(.text+0xfc5f4): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_map_rom' and 'pci_unmap_rom')
WARNING: vmlinux.o(.text+0xfc824): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_update_resource' and 'pci_claim_resource')
WARNING: vmlinux.o(.text+0xfd6d8): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_setup_cardbus' and 'find_free_bus_resource')
WARNING: vmlinux.o(.text+0xfd730): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_setup_cardbus' and 'find_free_bus_resource')
WARNING: vmlinux.o(.text+0xfd788): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_setup_cardbus' and 'find_free_bus_resource')
WARNING: vmlinux.o(.text+0xfd7e0): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_setup_cardbus' and 'find_free_bus_resource')
WARNING: vmlinux.o(.text+0xfe024): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_bus_assign_resources' and 'sys_pciconfig_read')
WARNING: vmlinux.o(.text+0xfe0f4): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_bus_assign_resources' and 'sys_pciconfig_read')
WARNING: vmlinux.o(.text+0xfe17c): Section mismatch: reference to .init.text:pcibios_resource_to_bus (between 'pci_bus_assign_resources' and 'sys_pciconfig_read')

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

12 years agoV4L/DVB (6052): ivtv: fix udma yuv bug
Ian Armstrong [Sat, 18 Aug 2007 18:58:51 +0000]
V4L/DVB (6052): ivtv: fix udma yuv bug

Using udma yuv causes the driver becomes locked into that mode. This prevents
use of the mpeg decoder & non-udma yuv output. This patch clears the
operating mode when the device is closed.

Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

12 years agofix console change race exposed by CFS
Jan Lübbe [Sat, 29 Sep 2007 16:47:51 +0000]
fix console change race exposed by CFS

The new behaviour of CFS exposes a race which occurs if a switch is
requested when vt_mode.mode is VT_PROCESS.

The process with vc->vt_pid is signaled before vc->vt_newvt is set.
This causes the switch to fail when triggered by the monitoing process
because the target is still -1.

[ If the signal sending fails, the subsequent "reset_vc(vc)" will then
  reset vt_newvt to -1, so this works for that case too.   - Linus ]

Signed-off-by: Jan Lübbe <jluebbe@lasnet.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
Linus Torvalds [Sat, 29 Sep 2007 16:25:55 +0000]
Merge branch 'upstream-linus' of /linux/kernel/git/jgarzik/netdev-2.6

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  mv643xx_eth: Check ETH_INT_CAUSE_STATE bit

12 years agoi386: remove bogus comment about memory barrier
Nick Piggin [Sat, 29 Sep 2007 13:28:48 +0000]
i386: remove bogus comment about memory barrier

The comment being removed by this patch is incorrect and misleading.

In the following situation:

1. load  ...
2. store 1 -> X
3. wmb
4. rmb
5. load  a <- Y
6. store ...

4 will only ensure ordering of 1 with 5.
3 will only ensure ordering of 2 with 6.

Further, a CPU with strictly in-order stores will still only provide that
2 and 6 are ordered (effectively, it is the same as a weakly ordered CPU
with wmb after every store).

In all cases, 5 may still be executed before 2 is visible to other CPUs!

The additional piece of the puzzle that mb() provides is the store/load
ordering, which fundamentally cannot be achieved with any combination of
rmb()s and wmb()s.

This can be an unexpected result if one expected any sort of global ordering
guarantee to barriers (eg. that the barriers themselves are sequentially
consistent with other types of barriers).  However sfence or lfence barriers
need only provide an ordering partial ordering of memory operations -- Consider
that wmb may be implemented as nothing more than inserting a special barrier
entry in the store queue, or, in the case of x86, it can be a noop as the store
queue is in order. And an rmb may be implemented as a directive to prevent
subsequent loads only so long as their are no previous outstanding loads (while
there could be stores still in store queues).

I can actually see the occasional load/store being reordered around lfence on
my core2. That doesn't prove my above assertions, but it does show the comment
is wrong (unless my program is -- can send it out by request).

So:
   mb() and smp_mb() always have and always will require a full mfence
   or lock prefixed instruction on x86.  And we should remove this comment.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Paul McKenney <paulmck@us.ibm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agomv643xx_eth: Check ETH_INT_CAUSE_STATE bit
Dale Farnsworth [Fri, 28 Sep 2007 13:30:43 +0000]
mv643xx_eth: Check ETH_INT_CAUSE_STATE bit

Commit 468d09f8946d40228c56de26fe4874b2f98067ed masked the "state"
interrupt (bit 20 of the cause register). This results in Radstone's
PPC7D repeatedly re-entering the interrupt routine, locking up the
board. The following patch returns the required handling for this
interrupt.

Signed-off-by: Martyn Welch <martyn.welch@radstone.co.uk>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agoFix bogus PCI quirk for e100
Benjamin Herrenschmidt [Fri, 28 Sep 2007 23:06:21 +0000]
Fix bogus PCI quirk for e100

Linas reported me that some machines were crashing at boot in
quirk_e100_interrupt. It appears that this quirk is doing an ioremap
directly on a PCI BAR value, which isn't legal and will cause all sorts
of bad things to happen on architectures where PCI BARs don't directly
match processor bus addresses.

This fixes it by using the proper PCI resources instead which is possible
since the quirk has been moved by a previous commit to happen late enough
for that.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Fri, 28 Sep 2007 22:44:44 +0000]
Merge branch 'master' of /linux/kernel/git/davem/net-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [TCP]: Fix MD5 signature handling on big-endian.
  [NET]: Zero length write() on socket should not simply return 0.

12 years agoInput: xpad - fix dependancy on LEDS class
Dmitry Torokhov [Thu, 27 Sep 2007 04:09:29 +0000]
Input: xpad - fix dependancy on LEDS class

Input: xpad - fix dependancy on LEDS class

The driver can not be built-in when LEDS class is a module.

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

12 years agoNFS: Fix an Oops in encode_lookup()
Trond Myklebust [Fri, 28 Sep 2007 16:27:41 +0000]
NFS: Fix an Oops in encode_lookup()

It doesn't look as if the NFS file name limit is being initialised correctly
in the struct nfs_server. Make sure that we limit whatever is being set in
nfs_probe_fsinfo() and nfs_init_server().

Also ensure that readdirplus and nfs4_path_walk respect our file name
limits.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoMerge branch 'for-2.6.23' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
Linus Torvalds [Fri, 28 Sep 2007 22:33:03 +0000]
Merge branch 'for-2.6.23' of /linux/kernel/git/galak/powerpc

* 'for-2.6.23' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc:
  [POWERPC] mpc8349emitx.dts: Setup USB-DR for peripheral mode.
  [POWERPC] Fix mpc834x USB-MPH configuration.
  [POWERPC] Fix cpm_uart driver for cpm1 machines
  [PPC] Fix cpm_dpram_addr returning phys mem instead of virt mem
  [POWERPC] Fix copy'n'paste typo in commproc.c

12 years agoMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
Linus Torvalds [Fri, 28 Sep 2007 22:32:29 +0000]
Merge branch 'upstream-linus' of /linux/kernel/git/jgarzik/netdev-2.6

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  e1000: Add device IDs of blade version of the 82571 quad port
  sky2: fix transmit state on resume
  sky2: FE+ vlan workaround
  sky2: sky2 FE+ receive status workaround

12 years ago[TCP]: Fix MD5 signature handling on big-endian.
David S. Miller [Fri, 28 Sep 2007 22:18:35 +0000]
[TCP]: Fix MD5 signature handling on big-endian.

Based upon a report and initial patch by Peter Lieven.

tcp4_md5sig_key and tcp6_md5sig_key need to start with
the exact same members as tcp_md5sig_key.  Because they
are both cast to that type by tcp_v{4,6}_md5_do_lookup().

Unfortunately tcp{4,6}_md5sig_key use a u16 for the key
length instead of a u8, which is what tcp_md5sig_key
uses.  This just so happens to work by accident on
little-endian, but on big-endian it doesn't.

Instead of casting, just place tcp_md5sig_key as the first member of
the address-family specific structures, adjust the access sites, and
kill off the ugly casts.

Signed-off-by: David S. Miller <davem@davemloft.net>

12 years agoMerge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Linus Torvalds [Fri, 28 Sep 2007 19:02:25 +0000]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Fix fallocate on o32 binary compat ABI
  [MIPS] Fix CONFIG_BUILD_ELF64 kernels with symbols in CKSEG0.
  [MIPS] IP32: Fix initialization of UART base addresses.

12 years ago[MIPS] Fix fallocate on o32 binary compat ABI
Kyle McMartin [Fri, 28 Sep 2007 17:15:20 +0000]
[MIPS] Fix fallocate on o32 binary compat ABI

MIPS was mistakenly forgetting to use the fallocate compat wrapper, which
I noticed while cleaning up all the duplicate fallocate wrappers.

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[MIPS] Fix CONFIG_BUILD_ELF64 kernels with symbols in CKSEG0.
Ralf Baechle [Tue, 11 Sep 2007 07:50:40 +0000]
[MIPS] Fix CONFIG_BUILD_ELF64 kernels with symbols in CKSEG0.

The __pa() for those did assume that all symbols have XKPHYS values and
the math fails for any other address range.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[MIPS] IP32: Fix initialization of UART base addresses.
Ralf Baechle [Wed, 26 Sep 2007 12:01:37 +0000]
[MIPS] IP32: Fix initialization of UART base addresses.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux...
Linus Torvalds [Fri, 28 Sep 2007 18:24:20 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/hpa/linux-2.6-x86setup

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup:
  [x86 setup] Correct the SMAP check for INT 0x15, AX=0xe820

12 years ago[x86 setup] Correct the SMAP check for INT 0x15, AX=0xe820
H. Peter Anvin [Fri, 28 Sep 2007 00:17:12 +0000]
[x86 setup] Correct the SMAP check for INT 0x15, AX=0xe820

The e820 probe code was checking %edx, not %eax, for the SMAP
signature on return.  This worked on *almost* all systems, since %edx
still contained SMAP from the call on entry, but on a handful of
systems it failed -- plus, we would have missed real mismatches.

The error output is "=d" to make sure gcc knows %edx is clobbered
here.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

12 years ago[POWERPC] mpc8349emitx.dts: Setup USB-DR for peripheral mode.
jacmet@sunsite.dk [Fri, 28 Sep 2007 14:21:15 +0000]
[POWERPC] mpc8349emitx.dts: Setup USB-DR for peripheral mode.

Setup dr_mode for USB-DR to peripheral as the default (host mode) doesn't make
much sense for the mini-AB connector on the ITX board.

Peripheral mode is preferable to OTG as the fsl_usb2_udc.c driver doesn't yet
properly support it.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

12 years ago[POWERPC] Fix mpc834x USB-MPH configuration.
jacmet@sunsite.dk [Fri, 28 Sep 2007 14:21:14 +0000]
[POWERPC] Fix mpc834x USB-MPH configuration.

mpc834x USB-MPH configuration got broken by commit
6f442560021aecf08658e26ed9a37e6928ef0fa1. The selection bits in SICRL
should be cleared rather than set to configure the USB MUXes for the MPH.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

12 years ago[POWERPC] Fix cpm_uart driver for cpm1 machines
Jochen Friedrich [Mon, 24 Sep 2007 17:15:43 +0000]
[POWERPC] Fix cpm_uart driver for cpm1 machines

in cpm_uart_cpm1.h, DPRAM_BASE is assigned an address derived from cpmp.
On ARC=ppc, this is a physical address with 1:1 DMA mapping which can't
be used for arithmetric compare operations with virtual addresses
returned by cpm_dpram_addr. This patch changes the assignment to use
cpm_dpram_addr as well, like in cpm_uart_cpm2.h.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

12 years ago[PPC] Fix cpm_dpram_addr returning phys mem instead of virt mem
Jochen Friedrich [Mon, 24 Sep 2007 17:14:57 +0000]
[PPC] Fix cpm_dpram_addr returning phys mem instead of virt mem

cpm_dpram_addr returns physical memory of the DP RAM instead of
iomapped virtual memory. As there usually is a 1:1 MMU map of
the IMMR area, this is often not noticed. However, cpm_dpram_phys
assumes this iomapped virtual memory and returns garbage on the
1:1 mapped memory causing CPM1 uart console to fail.

This patch fixes the problem (copied from the powerpc tree).

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

12 years ago[POWERPC] Fix copy'n'paste typo in commproc.c
Jochen Friedrich [Mon, 24 Sep 2007 17:13:46 +0000]
[POWERPC] Fix copy'n'paste typo in commproc.c

The powerpc version of commproc.c exports cpm_dpram_addr twice
and cpm_dpram_phys not at all due to a typo. This patch fixes this
problem.

CC arch/powerpc/sysdev/commproc.o
arch/powerpc/sysdev/commproc.c:398: error: redefinition of '__kcrctab_cpm_dpram_addr'
arch/powerpc/sysdev/commproc.c:392: error: previous definition of '__kcrctab_cpm_dpram_addr' was here
arch/powerpc/sysdev/commproc.c:398: error: redefinition of '__kstrtab_cpm_dpram_addr'
arch/powerpc/sysdev/commproc.c:392: error: previous definition of '__kstrtab_cpm_dpram_addr' was here
arch/powerpc/sysdev/commproc.c:398: error: redefinition of '__ksymtab_cpm_dpram_addr'
arch/powerpc/sysdev/commproc.c:392: error: previous definition of '__ksymtab_cpm_dpram_addr' was here
make[1]: *** [arch/powerpc/sysdev/commproc.o] Error 1
make: *** [arch/powerpc/sysdev] Error 2

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

12 years agoe1000: Add device IDs of blade version of the 82571 quad port
Auke Kok [Thu, 30 Aug 2007 18:23:58 +0000]
e1000: Add device IDs of blade version of the 82571 quad port

This blade-specific board form factor is identical to the 82571EB
board.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agosky2: fix transmit state on resume
Stephen Hemminger [Thu, 27 Sep 2007 19:38:12 +0000]
sky2: fix transmit state on resume

This should fix http://bugzilla.kernel.org/show_bug.cgi?id=8667

After resume, driver has reset the chip so the current state
of transmit checksum offload state machine and DMA state machine
will be undefined.

The fix is to set the state so that first Tx will set MSS and offset
values.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agosky2: FE+ vlan workaround
Stephen Hemminger [Thu, 27 Sep 2007 19:32:44 +0000]
sky2: FE+ vlan workaround

The FE+ workaround means the driver can no longer trust the status register
to indicate VLAN tagged frames.  The fix for this is to just disable VLAN
acceleration for that chip version. Tested and works fine.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agosky2: sky2 FE+ receive status workaround
Stephen Hemminger [Thu, 27 Sep 2007 00:58:47 +0000]
sky2: sky2 FE+ receive status workaround

The Yukon FE+ chip appears to have a hardware glitch that causes bogus
receive status values to be posted. The data in the packet is good, but
the status value is random garbage.  As a temporary workaround until the
problem is better understood, implement the workaround the vendor driver
used of ignoring the status value on this chip.

Since this means trusting dodgy hardware values; add additional checking
of the receive packet length.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

12 years agoMerge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Linus Torvalds [Fri, 28 Sep 2007 02:47:53 +0000]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Fix CONFIG_BUILD_ELF64 kernels with symbols in CKSEG0.
  [MIPS] IP32: Fix initialization of UART base addresses.

12 years agoi915: make vbl interrupts work properly on i965g/gm hw.
Dave Airlie [Fri, 28 Sep 2007 01:46:28 +0000]
i915: make vbl interrupts work properly on i965g/gm hw.

This code is ported from the DRM git tree and allows the vblank interrupts
to function on the i965 hw. It also requires a change in Mesa's 965 driver
to actually use them.

[ Without this patch, my 965GM drops vblank interrupts  - Jesse ]

Signed-off-by: Dave Airlie <airlied@linux.ie>
Acked-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years ago[MIPS] Fix CONFIG_BUILD_ELF64 kernels with symbols in CKSEG0.
Ralf Baechle [Tue, 11 Sep 2007 07:50:40 +0000]
[MIPS] Fix CONFIG_BUILD_ELF64 kernels with symbols in CKSEG0.

The __pa() for those did assume that all symbols have XKPHYS values and
the math fails for any other address range.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[MIPS] IP32: Fix initialization of UART base addresses.
Ralf Baechle [Wed, 26 Sep 2007 12:01:37 +0000]
[MIPS] IP32: Fix initialization of UART base addresses.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

12 years ago[NET]: Zero length write() on socket should not simply return 0.
David S. Miller [Thu, 27 Sep 2007 20:52:00 +0000]
[NET]: Zero length write() on socket should not simply return 0.

This fixes kernel bugzilla #5731

It should generate an empty packet for datagram protocols when the
socket is connected, for one.

The check is doubly-wrong because all that a write() can be is a
sendmsg() call with a NULL msg_control and a single entry iovec.  No
special semantics should be assigned to it, therefore the zero length
check should be removed entirely.

This matches the behavior of BSD and several other systems.

Alan Cox notes that SuSv3 says the behavior of a zero length write on
non-files is "unspecified", but that's kind of useless since BSD has
defined this behavior for a quarter century and BSD is essentially
what application folks code to.

Based upon a patch from Stephen Hemminger.

Signed-off-by: David S. Miller <davem@davemloft.net>

12 years ago[SPARC]: Fix EBUS use of uninitialized variable.
David S. Miller [Thu, 27 Sep 2007 20:09:28 +0000]
[SPARC]: Fix EBUS use of uninitialized variable.

If of_get_property() fails, it returns NULL and the 'len'
parameter is undefined.  So we need to explicitly set len
to zero in such cases.

Noticed by Al Viro.

Signed-off-by: David S. Miller <davem@davemloft.net>

12 years agoRevert "[PATCH] x86-64: fix x86_64-mm-sched-clock-share"
Linus Torvalds [Wed, 26 Sep 2007 22:52:17 +0000]
Revert "[PATCH] x86-64: fix x86_64-mm-sched-clock-share"

This reverts commit 184c44d2049c4db7ef6ec65794546954da2c6a0e.

As noted by Dave Jones:
   "Linus, please revert the above cset.  It doesn't seem to be
    necessary (it was added to fix a miscompile in 'make allnoconfig'
    which doesn't seem to be repeatable with it reverted) and actively
   breaks the ARM SA1100 framebuffer driver."

Requested-by: Dave Jones <davej@redhat.com>
Cc: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux...
Linus Torvalds [Wed, 26 Sep 2007 22:43:55 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/hpa/linux-2.6-x86setup

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup:
  [x86 setup] Handle case of improperly terminated E820 chain

12 years agoRevert "x86-64: Disable local APIC timer use on AMD systems with C1E"
Linus Torvalds [Wed, 26 Sep 2007 22:21:33 +0000]
Revert "x86-64: Disable local APIC timer use on AMD systems with C1E"

This reverts commit e66485d747505e9d960b864fc6c37f8b2afafaf0, since
Rafael Wysocki noticed that the change only works for his in -mm, not in
mainline (and that both "noapictimer" _and_ "apicmaintimer" are broken
on his hardware, but that's apparently not a regression, just a symptom
of the same issue that causes the automatic apic timer disable to not
work).

It turns out that it really doesn't work correctly on x86-64, since
x86-64 doesn't use the generic clock events for timers yet.

Thanks to Rafal for testing, and here's the ugly details on x86-64 as
per Thomas:

  "I just looked into the code and the logic vs.  noapictimer on SMP is
   completely broken.

   On i386 the noapictimer option not only disables the local APIC
   timer, it also registers the CPUs for broadcasting via IPI on SMP
   systems.

   The x86-64 code uses the broadcast only when the local apic timer is
   active, i.e.  "noapictimer" is not on the command line.  This defeats
   the whole purpose of "noapictimer".  It should be there to make boxen
   work, where the local APIC timer actually has a hardware problem,
   e.g.  the nx6325.

   The current implementation of x86_64 only fixes the ACPI c-states
   related problem where the APIC timer stops in C3(2), nothing else.

   On nx6325 and other AMD X2 equipped systems which have the C1E
   enabled we run into the following:

   PIT keeps jiffies (and the system) running, but the local APIC timer
   interrupts can get out of sync due to this C1E effect.

   I don't think this is a critical problem, but it is wrong
   nevertheless.

   I think it's safe to revert the C1E patch and postpone the fix to the
   clock events conversion."

On further reflection, Thomas noted:

   "It's even worse than I thought on the first check:

    "noapictimer" on the command line of an SMP box prevents _ONLY_ the
    boot CPU apic timer from being used.  But the secondary CPU is still
    unconditionally setting up the APIC timer and uses the non
    calibrated variable calibration_result, which is of course 0, to
    setup the APIC timer.  Wreckage guaranteed."

so we'll just have to wait for the x86 merge to hopefully fix this up
for x86-64.

Tested-and-requested-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years ago[x86 setup] Handle case of improperly terminated E820 chain
H. Peter Anvin [Wed, 26 Sep 2007 21:11:43 +0000]
[x86 setup] Handle case of improperly terminated E820 chain

At least one system (a Geode system with a Digital Logic BIOS) has
been found which suddenly stops reporting the SMAP signature when
reading the E820 memory chain.  We can't know what, exactly, broke in
the BIOS, so if we detect this situation, declare the E820 data
unusable and fall back to E801.

Also, revert to original behavior of always probing all memory
methods; that way all the memory information is available to the
kernel.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Jordan Crouse <jordan.crouse@amd.com>
Cc: Joerg Pommnitz <pommnitz@yahoo.com>

12 years agoxen: execve's error paths don't pin the mm before unpinning
Jeremy Fitzhardinge [Tue, 25 Sep 2007 18:50:00 +0000]
xen: execve's error paths don't pin the mm before unpinning

execve's error paths don't activate (and therefore pin) the mm before
calling exit_mmap to free it up, so don't try to unpin unless it is
actually pinned.  This prevents a BUG_ON from triggering.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Christian Ostheimer <osth@freesurf.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agox86-64: Disable local APIC timer use on AMD systems with C1E
Thomas Gleixner [Tue, 25 Sep 2007 19:37:01 +0000]
x86-64: Disable local APIC timer use on AMD systems with C1E

commit 3556ddfa9284a86a59a9b78fe5894430f6ab4eef titled

 [PATCH] x86-64: Disable local APIC timer use on AMD systems with C1E

solves a problem with AMD dual core laptops e.g. HP nx6325 (Turion 64
X2) with C1E enabled:

When both cores go into idle at the same time, then the system switches
into C1E state, which is basically the same as C3. This stops the local
apic timer.

This was debugged right after the dyntick merge on i386 and despite the
patch title it fixes only the 32 bit path.

x86_64 is still missing this fix. It seems that mainline is not really
affected by this issue, as the PIT is running and keeps jiffies
incrementing, but that's just waiting for trouble.

-mm suffers from this problem due to the x86_64 high resolution timer
patches.

This is a quick and dirty port of the i386 code to x86_64.

I spent quite a time with Rafael to debug the -mm / hrt wreckage until
someone pointed us to this. I really had forgotten that we debugged this
half a year ago already.

Sigh, is it just me or is there something yelling arch/x86 into my ear?

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agoSilent drivers/char/hpet.c build warnings on i386
S.Çağlar Onur [Wed, 26 Sep 2007 09:15:33 +0000]
Silent drivers/char/hpet.c build warnings on i386

Following patch silents;

...
drivers/char/hpet.c:72: warning: 'clocksource_hpet' defined but not used
drivers/char/hpet.c:81: warning: 'hpet_clocksource' defined but not used
...

build warnings on i386, they appeared after commit 3b2b64fd311c92f2137eb7cee7025794cd854057

Signed-off-by: S.Çağlar Onur <caglar@pardus.org.tr>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
--
 drivers/char/hpet.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

12 years agoNLM: Fix a circular lock dependency in lockd
Trond Myklebust [Tue, 25 Sep 2007 19:55:03 +0000]
NLM: Fix a circular lock dependency in lockd

The problem is that the garbage collector for the 'host' structures
nlm_gc_hosts(), holds nlm_host_mutex while calling down to
nlmsvc_mark_resources, which, eventually takes the file->f_mutex.

We cannot therefore call nlmsvc_lookup_host() from within
nlmsvc_create_block, since the caller will already hold file->f_mutex, so
the attempt to grab nlm_host_mutex may deadlock.

Fix the problem by calling nlmsvc_lookup_host() outside the file->f_mutex.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

12 years agolguest example launcher truncates block device file to 0 length on problems
Chris Malley [Wed, 26 Sep 2007 04:19:18 +0000]
lguest example launcher truncates block device file to 0 length on problems

The function should also use ftruncate64() rather than ftruncate() to prevent
files over 4GB (not uncommon for a root filesystem) being zeroed.

Signed-off-by: Chris Malley <mail@chrismalley.co.uk>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>