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As reported by Jules Villard <jvillard@ens-lyon.fr> and some others, the
recent GART aperture start reconfiguration causes problems on some
setups.
What I _think_ might be happening is that the X server is also trying to
muck around with the card memory map and is forcing it back into a wrong
setting that also happens to no longer match what the DRM wants to do
and blows up. There are bugs all over the place in that code (and still
some bugs in the DRM as well anyway).
This patch attempts to avoid that by using the largest of the 2 values,
which I think will cause it to behave as it used to for you and will
still fix the problem with machines that have an aperture size smaller
than the video memory.
Acked-by: Jules Villard <jvillard@ens-lyon.fr>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The below "jumbo" patch fixes the following problems in MLDv2.
1) Add necessary "ntohs" to recent "pskb_may_pull" check [breaks
all nonzero source queries on little-endian (!)]
2) Add locking to source filter list [resend of prior patch]
3) fix "mld_marksources()" to
a) send nothing when all queried sources are excluded
b) send full exclude report when source queried sources are
not excluded
c) don't schedule a timer when there's nothing to report
NOTE: RFC 3810 specifies the source list should be saved and each
source reported individually as an IS_IN. This is an obvious DOS
path, requiring the host to store and then multicast as many sources
as are queried (e.g., millions...). This alternative sends a full,
relevant report that's limited to number of sources present on the
machine.
4) fix "add_grec()" to send empty-source records when it should
The original check doesn't account for a non-empty source
list with all sources inactive; the new code keeps that
short-circuit case, and also generates the group header
with an empty list if needed.
5) fix mca_crcount decrement to be after add_grec(), which needs
its original value
These issues (other than item #1 ;-) ) were all found by Yan Zheng,
much thanks!
Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the checks are scattered all over and this leads
to inconsistencies and even cases where the check is not made.
Based upon a patch from Kris Katterjohn.
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to release idev->lcok before we call addrconf_dad_stop().
It calls ipv6_addr_del(), which will hold idev->lock.
Bug spotted by Yasuyuki KOZAKAI <yasuyuki.kozakai@toshiba.co.jp>.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We only want the received character without the status bits for
sysrq handling.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Call nf_bridge_put() before allocating a new nf_bridge structure and
potentially overwriting the pointer to a previously allocated one.
This fixes a memory leak which can occur when the bridge topology
allows for an skb to traverse more than one bridge.
Signed-off-by: David Kimdon <david.kimdon@devicescape.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The existing default of 10 is just way too low.
Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The oops is characteristic of the underlying device being removed from
visibility before the class device, and sure enough we do device_del()
before transport_unregister() in the scsi_target_reap() routines. I've
no idea why this is suddenly showing up, since the code has been in
there since that function was first invented. However, I've confirmed
this fixes Andrew Vasquez's boot oops.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Ho ho ho.
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Fix n_r3964 timeouts (hardcoded for 100Hz)
Also the include of <asm/termios.h> in 'n_r3964.h' is unnecessary and
prevents using the header file in any application that has to include
<termios.h> due to duplicate definition of 'struct termio'.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
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Based on __build_read_lock_const, this looked like a bug.
[ Indeed. Maybe nobody uses this version? Worth fixing up anyway ]
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fixes a compiler error in node_to_first_cpu, __ffs expects unsigned long as
a parameter; instead cpumask_t was being passed. The macro
node_to_first_cpu was not yet used in x86_64 and ia64 arches, and so we never
hit this. This patch replaces __ffs with first_cpu macro, similar to other
arches.
Signed-off-by: Alok N Kataria <alokk@calsoftinc.com>
Signed-off-by: Ravikiran G Thirumalai <kiran@scalex86.org>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Introduced by commit 6003a93e7bf6c02f33c02976ff364785d4273295
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Fix a memory ordering problem that occurs on IA64. The "store" to q->lock_ptr
in wake_futex() can become visible before wake_up_all() clears the lock in the
futex_q.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Two smp_wmb() statements are missing in the sysv sem code: This could
cause stack corruptions.
The attached patch adds them.
Signed-Off-By: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The COW semantics just do not make any sense especially
with the physically discontiguous I/O mappings possible
here.
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
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Two critical bugs were found in forcedeth 0.47:
- TSO doesn't work.
- pci_map_single() for the rx buffers is called with size==0. This bug
is critical, it causes random memory corruptions on systems with an
iommu.
Below is a minimal fix for both bugs, for 2.6.15.
TSO will be fixed properly in the next version. Tested on x86-64.
Signed-Off-By: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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[patch 3/3] s390: remove redundant and useless code in qeth
From: Frank Pavlic <pavlic@de.ibm.com>
- remove redundant and useless code in qeth for
procfs operations.
- update Revision numbers
Signed-off-by: Frank Pavlic <pavlic@de.ibm.com>
diffstat:
qeth_main.c | 6 -
qeth_mpc.c | 2
qeth_mpc.h | 2
qeth_proc.c | 250 ++++++------------------------------------------------------
qeth_sys.c | 4
qeth_tso.h | 4
6 files changed, 38 insertions(+), 230 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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[patch 2/3] s390: minor qeth network driver fixes
From: Frank Pavlic <pavlic@de.ibm.com>
- use netif_carrier_on/off calls to tell network stack
link carrier state
- fix possible kfree on NULL
- PDU_LEN2 is at offset 0x29 otherwise OSN chpid won't initialize
Signed-off-by: Frank Pavlic <pavlic@de.ibm.com>
diffstat:
qeth_eddp.c | 3 ++-
qeth_main.c | 17 +++++++----------
qeth_mpc.h | 2 +-
3 files changed, 10 insertions(+), 12 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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[patch 1/3] s390: some minor qeth driver fixes
From: Frank Pavlic <pavlic@de.ibm.com>
- let's have just one function for both ,input and output queue
to check qdio errors
- add /proc/s390dbf/qeth_qerr entries for outbound processing
- check removed for layer2 device in qeth_add_multicast_ipv6
- NULL pointer dereference with bonding and VLAN device fixed
- minimum length check for portname fixed
Signed-off-by: Frank Pavlic <pavlic@de.ibm.com>
diffstat:
qeth_main.c | 42 +++++++++++++++++++++---------------------
qeth_sys.c | 6 +++---
2 files changed, 24 insertions(+), 24 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Andy,
libphy has no license tag. Something like the attached (untested!) patch
is needed. Hopefully such a change finds its way into 2.6.15.
filename: /lib/modules/2.6.15-rc5-3-ppc64/kernel/drivers/net/phy/libphy.ko
vermagic: 2.6.15-rc5-3-ppc64 SMP gcc-4.1
depends:
srcversion: ACC921B5E82701BE1E6F603
drivers/net/phy/phy_device.c | 4 ++++
1 files changed, 4 insertions(+)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Add ID for Symbol LA-4123. Reported by Tomas Novak <tap@post.cz>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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orinoco_nortel was broken during conversion to iomem API. Wrong PCI BAR
is used for chipset registers. Reported by Tomas Novak <tap@post.cz>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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The following patch prevents libata from incorrectly modifying inquiry
VPD pages and command support data from ATAPI devices. I have tested
the patch with a SATA ATAPI tape drive on an AHCI controller.
Patch is against kernel 2.4.32 with 2.4.32-libata1.patch applied.
Anthony J. Battersby
Cybernetics
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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From: Hiroyuki YAMAMORI <h-yamamo@db3.so-net.ne.jp>
Since regen_count is stored in the public address, we need to reset it
when we start renewing temporary address.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to relesae ifp->lock before we call addrconf_dad_stop(),
which will hold ifp->lock.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It's definition is wrong (-1 means "no limit" not 999),
only the Sparc SunOS/Solaris compat code uses it, so
let's just kill it off completely from limits.h and
all referencing code.
Noticed by Ulrich Drepper.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce a Kconfig symbol SPARC that is defined on both the sparc and
sparc64 architectures.
This symbol makes some dependencies more readable.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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gem_remove_one() is called from the __devinit gem_init_one().
Therefore, gem_remove_one() mustn't be __devexit.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Len Brown <len.brown@intel.com>
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Return logic was inverted.
Going for changing the return value to not return zero as it is makes
more sense regarding the naming of the function (cpu_has_cpufreq()).
http://bugzilla.kernel.org/show_bug.cgi?id=3410
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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We were passing set_capacity() the capacity we calculated in terms of
the number of blocks on the card, which happened to be the right units
for 512-byte block cards. However, with 1024-byte block cards, we
end up setting the capacity to half the number of blocks. Fix this
by shifting by the appropriate amount.
Thanks to Todd Blumer for pointing this out.
Use get_capacity() to report the card capacity, rather than
recalculating it from the CSD information.
Finally, use our chosen IO block size for the SET_BLOCKLEN command
rather than the CSD read block size. Currently these are equivalent,
but will not be in the future.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb
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NFS client prevents mandatory lock, but there is a flaw on it; Locks are
possibly left if the mode is changed while locking.
This permits unlocking even if the mandatory lock bits are set.
Signed-off-by: ASANO Masahiro <masano@tnes.nec.co.jp>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Currently a simple
void foo(void) { preempt_enable(); }
produces the following code on ARM:
foo:
bic r3, sp, #8128
bic r3, r3, #63
ldr r2, [r3, #4]
ldr r1, [r3, #0]
sub r2, r2, #1
tst r1, #4
str r2, [r3, #4]
blne preempt_schedule
mov pc, lr
The problem is that the TIF_NEED_RESCHED flag is loaded _before_ the
preemption count is stored back, hence any interrupt coming within that
3 instruction window causing TIF_NEED_RESCHED to be set won't be
seen and scheduling won't happen as it should.
Nothing currently prevents gcc from performing that reordering. There
is already a barrier() before the decrement of the preemption count, but
another one is needed between this and the TIF_NEED_RESCHED flag test
for proper code ordering.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The problem is that when new policies are inserted, sockets do not see
the update (but all new route lookups do).
This bug is related to the SA insertion stale route issue solved
recently, and this policy visibility problem can be fixed in a similar
way.
The fix is to flush out the bundles of all policies deeper than the
policy being inserted. Consider beginning state of "outgoing"
direction policy list:
policy A --> policy B --> policy C --> policy D
First, realize that inserting a policy into a list only potentially
changes IPSEC routes for that direction. Therefore we need not bother
considering the policies for other directions. We need only consider
the existing policies in the list we are doing the inserting.
Consider new policy "B'", inserted after B.
policy A --> policy B --> policy B' --> policy C --> policy D
Two rules:
1) If policy A or policy B matched before the insertion, they
appear before B' and thus would still match after inserting
B'
2) Policy C and D, now "shadowed" and after policy B', potentially
contain stale routes because policy B' might be selected
instead of them.
Therefore we only need flush routes assosciated with policies
appearing after a newly inserted policy, if any.
Signed-off-by: David S. Miller <davem@davemloft.net>
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It turns out that commit f9bd170a87948a9e077149b70fb192c563770fdf
broke the cascade from XICS to i8259 on pSeries machines; specifically
we ended up not ever doing the EOI on the XICS for the cascade. The
result was that interrupts from the serial ports (and presumably any
other devices using ISA interrupts) didn't get through. This fixes
it and also simplifies the code, by doing the EOI on the XICS in the
xics_get_irq routine after reading and acking the interrupt on the
i8259.
Signed-off-by: Paul Mackerras <paulus@samba.org>
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- CC data was swapped the wrong way around.
- Enabling CC disabled XDS and vice versa: these two should
be independent from one another.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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- When ALSA or OSS are loaded, check if the other is present
Fixed hotplug notifiers cleanup on module removal
- The saa7134 DMA sound modules now have their own Kconfig entries, and
if built statically enforce exclusivity
- SND_PCM_OSS isn't necessary for the OSS driver
Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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