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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] megaraid_old: fix READ_CAPACITY
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Gurudas Pai reports kernel BUG at arch/i386/mm/highmem.c:15! below
sys_remap_file_pages, while running Oracle database test on x86 in 6GB
RAM: kunmap thinks we're in_interrupt because the preempt count has
wrapped.
That's because __do_fault expected to unmap page_table, but one of its
two callers do_nonlinear_fault already unmapped it: let do_linear_fault
unmap it first too, and then there's no need to pass the page_table arg
down.
Why have we been so slow to notice this? Probably through forgetting
that the mapping_cap_account_dirty test means that sys_remap_file_pages
nowadays only goes the full nonlinear vma route on a few memory-backed
filesystems like ramfs, tmpfs and hugetlbfs.
[ It also depends on CONFIG_HIGHPTE, so it becomes even harder to
trigger in practice. Many who have need of large memory have probably
migrated to x86-64..
Problem introduced by commit d0217ac04ca6591841e5665f518e38064f4e65bd
("mm: fault feedback #1") -- Linus ]
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: gurudas pai <gurudas.pai@oracle.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The bulk transfer mode got eleminated by
3f6270ef76f2ce5c134615a470685d6c2a66c07e. Unfortunately, this mode is
required for READ_CAPACITY commands on certain cards, so put it back
again. This fixes a boot failure regression reported by Burton
Windle.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The PCI-E slot on T1000 connects directly to the Fire PCI chip with no
intervening bridges visible in the OBP tree.
Unfortunately the bus numbering of the device in that slot is
different (2) from the PCI host controller (0), and thus the
pci_bus_{read,write}_config_*() calls don't work out.
Complicating things further the Fire PCI controller has no config
space it responds to either.
For now treat this case specially so that devices in the slot work.
Longer term we need to perhaps cons up a dummy bridge between the Fire
and the PCI-E slot so that the bus hierarchy is complete inside of the
kernel and thus the bus numbering all works out right.
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no reason this should be KERN_ERR, KERN_INFO is
just fine.
Signed-off-by: David S. Miller <davem@davemloft.net>
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We should only use ports underneath "domain-services", other DS ports
in the MDESC aren't for us to use.
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/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
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master.kernel.org:/pub/scm/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_
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* '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
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master.kernel.org:/pub/scm/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
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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>
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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>
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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>
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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>
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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>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
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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>
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chip ethernet mac driver
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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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>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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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>
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CC net/ieee80211/softmac/ieee80211softmac_wx.o
/home/kernel/src/net/ieee80211/softmac/ieee80211softmac_wx.c: In function âieee80211softmac_wx_set_essidâ:
/home/kernel/src/net/ieee80211/softmac/ieee80211softmac_wx.c:117: warning: label âoutâ 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>
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It doesn't matter for use in 64-bit objects, but when used in
32-bit environments the top 32-bits of the local and in
registers will get chopped off on the next register window
spill/restore which leads to difficult to track down and
subtle bugs.
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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master.kernel.org:/pub/scm/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
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master.kernel.org:/pub/scm/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.
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master.kernel.org:/pub/scm/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
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* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
sched: fix profile=sleep
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master.kernel.org:/pub/scm/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.
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master.kernel.org:/pub/scm/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.
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Fix xics set_affinity code
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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>
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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>
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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>
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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>
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Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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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>
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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>
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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>
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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>
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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>
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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>
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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.
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] vmlinux.lds.S: Handle note sections
[MIPS] Fix value of O_TRUNC
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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>
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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>
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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>
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git://git.kernel.org/pub/scm/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
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] Resolve PCI section warnings
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ssh://master.kernel.org/pub/scm/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
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