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2010-06-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (28 commits) drivers/isdn/hardware/mISDN: Use GFP_ATOMIC when a lock is held ksz884x: Add missing validate_addr hook ksz884x: convert to netdev_tx_t virtio-net: pass gfp to add_buf be2net: convert hdr.timeout in be_cmd_loopback_test() to le32 can: mpc5xxx_can.c: Fix build failure net/ipv4/tcp_input.c: fix compilation breakage when FASTRETRANS_DEBUG > 1 net: sock_queue_err_skb() dont mess with sk_forward_alloc netfilter: xtables: stackptr should be percpu netfilter: don't xt_jumpstack_alloc twice in xt_register_table greth: Fix build after OF device conversions. net: fix sk_forward_alloc corruptions Phonet: listening socket lock protects the connected socket list caif: unlock on error path in cfserl_receive() be2net: remove superfluous externs be2net: add unlock on error path net/rds: Add missing mutex_unlock drivers/isdn/hardware/mISDN: Add missing spin_unlock fs_enet: Adjust BDs after tx error skb: make skb_recycle_check() return a bool value ...
2010-06-01binfmt_elf_fdpic: Fix clear_user() error handlingTakuya Yoshikawa
clear_user() returns the number of bytes that could not be copied rather than an error code. So we should return -EFAULT rather than directly returning the results. Without this patch, positive values may be returned to elf_fdpic_map_file() and the following error handlings do not function as expected. 1. ret = elf_fdpic_map_file_constdisp_on_uclinux(params, file, mm); if (ret < 0) return ret; 2. ret = elf_fdpic_map_file_by_direct_mmap(params, file, mm); if (ret < 0) return ret; Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Mike Frysinger <vapier@gentoo.org> CC: Alexander Viro <viro@zeniv.linux.org.uk> CC: Andrew Morton <akpm@linux-foundation.org> CC: Daisuke HATAYAMA <d.hatayama@jp.fujitsu.com> CC: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-01Merge branch 'master' into for-linusJens Axboe
Conflicts: fs/pipe.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01block: disable preemption before using sched_clock()Jens Axboe
Commit 9195291e5f05e01d67f9a09c756b8aca8f009089 added calls to sched_clock() from preemptible code. sched_clock() is both the wrong interface AND cannot be called without preempt disabled. Apply a temporary fix to get rid of the warnings, a real patch is in the works. Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01cciss: call BUG() earlierDan Carpenter
I moved the range check after the increment. The current code would write past the end of the array once before calling BUG(). Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01Merge branch 'amd-iommu/2.6.35' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
2010-06-01perf scripts python: Give field dict to unhandled callbackPierre Tardy
trace_unhandled() callback does not allow to access event fields, this patch resolves the problem. It can also been used as a more pythonic and flexible way for script writters to demux event types This will for example greatly simplify pytimechart event demux. Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Tom Zanussi <tzanussi@gmail.com> Cc: Ingo Molnar <mingo@elte.hu>, Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <1275340329-2397-1-git-send-email-tardyp@gmail.com> Signed-off-by: Pierre Tardy <tardyp@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-06-01Preparing 8.3.8rc2Philipp Reisner
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: Reduce verbosityPhilipp Reisner
The "Local READ/WRITE failed" messages are too verbose. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: use drbd specific ratelimit instead of global printk_ratelimitLars Ellenberg
using the global printk_ratelimit() may mask other messages. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: fix hang on local read errors while disconnectedLars Ellenberg
"canceled" w_read_retry_remote never completed, if they have been canceled after drbd_disconnect connection teardown cleanup has already run (or we are currently not connected anyways). Fixed by not queueing a remote retry if we already know it won't work (pdsk not uptodate), and cleanup ourselves on "cancel", in case we hit a race with drbd_disconnect. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: Removed the now empty w_io_error() functionPhilipp Reisner
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: removed duplicated #includesAndrea Gelmini
drbd/drbd_receiver.c: linux/mm.h is included more than once. Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: improve usage of MSG_MORELars Ellenberg
It seems to improve performance if we allow the "p_data" header in its own frame (no MSG_MORE), but sendpage all but the last page with MSG_MORE. This is also in preparation of a later zero copy receive implementation. Suggested by Eduard.Guzovsky@stratus.com on drbd-dev. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: need to set socket bufsize early to take effectLars Ellenberg
quoting tcp(7): On individual connections, the socket buffer size must be set prior to the listen(2) or connect(2) calls in order to have it take effect. This adds a wrapper to do so, and uses it appropriately. Improves performance in certain situations. Note that because we cannot easily determine which socket will be "meta" and wich "data" (bulk) socket, we adjust both sockets. Previously, DRBD only adjusted the bufsizes of the "data" socket. Thanks again to Eduard.Guzovsky@stratus.com. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: improve network latency, TCP_QUICKACKLars Ellenberg
On Thu, Apr 29, 2010 at 04:00:50PM -0400, Eduard.Guzovsky@stratus.com wrote on drbd-dev@lists.linbit.com Subject: [Drbd-dev] DRBD small synchronous writes performance improvements > 1. TCP_QUICKACK option is set incorrectly. The goal was force TCP to > send and ACK as a "one time" event. Instead the code permanently sets > connection in the QUICKACK mode. He is right, we actually want to use an even val with TCP_QUICKACK. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01drbd: Revert "drbd: Create new current UUID as late as possible"Philipp Reisner
The late-UUID writing is delayed until the next release. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01brd: support discardNick Piggin
Support discard requests in brd by zeroing or deleting the underlying backing pages. This is simply to help with testing and documentation nature of brd code. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2010-06-01Revert "writeback: fix WB_SYNC_NONE writeback from umount"Jens Axboe
This reverts commit e913fc825dc685a444cb4c1d0f9d32f372f59861. We are investigating a hang associated with the WB_SYNC_NONE changes, so revert them for now. Conflicts: fs/fs-writeback.c mm/page-writeback.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01Revert "writeback: ensure that WB_SYNC_NONE writeback with sb pinned is sync"Jens Axboe
This reverts commit 7c8a3554c683f512dbcee26faedb42e4c05f12fa. We are investigating a hang associated with the WB_SYNC_NONE changes, so revert them for now. Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-06-01perf hist: fix objdump output parsingKonstantin Stepanyuk
hist_entry__annotate() runs objdump with -S option so the output may contain lines of any format. If a line starts with a colon strtoull() returns 0 and calculated offset will be negative. This causes perf annotate segfaults. Make sure that strtoull() has parsed at least one digit. Cc: David S. Miller <davem@davemloft.net> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Konstantin Stepanyuk <konstantin.stepanyuk@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-06-01x86/amd-iommu: Fall back to GART if initialization failsJoerg Roedel
This patch implements a fallback to the GART IOMMU if this is possible and the AMD IOMMU initialization failed. Otherwise the fallback would be nommu which is very problematic on machines with more than 4GB of memory or swiotlb which hurts io-performance. Cc: stable@kernel.org Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2010-06-01x86/amd-iommu: Fix crash when request_mem_region failsJoerg Roedel
When request_mem_region fails the error path tries to disable the IOMMUs. This accesses the mmio-region which was not allocated leading to a kernel crash. This patch fixes the issue. Cc: stable@kernel.org Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2010-06-01Merge commit 'v2.6.35-rc1' into amd-iommu/2.6.35Joerg Roedel
2010-06-01sched, trace: Fix sched_switch() prev_state argumentPeter Zijlstra
For CONFIG_PREEMPT=y kernels the sched_switch(.prev_state) argument isn't useful because we can get preempted with current->state != TASK_RUNNING without actually getting removed from the runqueue. Cure this by treating all preempted tasks as runnable from the tracer's point of view. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cautiously-acked-by: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <1275322715.27810.23323.camel@twins> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-06-01sched: Fix wake_affine() vs RT tasksPeter Zijlstra
Mike reports that since e9e9250b (sched: Scale down cpu_power due to RT tasks), wake_affine() goes funny on RT tasks due to them still having a !0 weight and wake_affine() still subtracts that from the rq weight. Since nobody should be using se->weight for RT tasks, set the value to zero. Also, since we now use ->cpu_power to normalize rq weights to account for RT cpu usage, add that factor into the imbalance computation. Reported-by: Mike Galbraith <efault@gmx.de> Tested-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1275316109.27810.22969.camel@twins> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-06-01drivers/isdn/hardware/mISDN: Use GFP_ATOMIC when a lock is heldJulia Lawall
The function inittiger is only called from nj_init_card, where a lock is held. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @gfp exists@ identifier fn; position p; @@ fn(...) { ... when != spin_unlock_irqrestore when any GFP_KERNEL@p ... when any } @locked@ identifier gfp.fn; @@ spin_lock_irqsave(...) ... when != spin_unlock_irqrestore fn(...) @depends on locked@ position gfp.p; @@ - GFP_KERNEL@p + GFP_ATOMIC // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01ksz884x: Add missing validate_addr hookDenis Kirjanov
Add missing validate_addr hook Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01ksz884x: convert to netdev_tx_tDenis Kirjanov
Convert TX hook to netdev_tx_t type Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01virtio-net: pass gfp to add_bufMichael S. Tsirkin
virtio-net bounces buffer allocations off to a thread if it can't allocate buffers from the atomic pool. However, if posting buffers still requires atomic buffers, this is unlikely to succeed. Fix by passing in the proper gfp_t parameter. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01be2net: convert hdr.timeout in be_cmd_loopback_test() to le32Sathya Perla
The current code fails on ppc as hdr.timeout is not being converted to le32. Signed-off-by: Sathya Perla <sathyap@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01can: mpc5xxx_can.c: Fix build failureAnatolij Gustschin
Fixes build error caused by the OF device_node pointer being moved into struct device. Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Wolfgang Grandegger <wg@grandegger.com> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31net/ipv4/tcp_input.c: fix compilation breakage when FASTRETRANS_DEBUG > 1Joe Perches
Commit: c720c7e8383aff1cb219bddf474ed89d850336e3 missed these. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2010-05-31net: sock_queue_err_skb() dont mess with sk_forward_allocEric Dumazet
Correct sk_forward_alloc handling for error_queue would need to use a backlog of frames that softirq handler could not deliver because socket is owned by user thread. Or extend backlog processing to be able to process normal and error packets. Another possibility is to not use mem charge for error queue, this is what I implemented in this patch. Note: this reverts commit 29030374 (net: fix sk_forward_alloc corruptions), since we dont need to lock socket anymore. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01ALSA: hda: Use LPIB for ASUS M2VDaniel T Chen
BugLink: https://launchpad.net/bugs/587546 Symptom: On the reporter's ASUS M2V, using PulseAudio in Ubuntu 10.04 LTS results in the PA daemon crashing shortly after attempting playback of an audio file. Test case: Using Ubuntu 10.04 LTS (Linux 2.6.32.12), Linux 2.6.33, or Linux 2.6.34, attempt playback of an audio file while PulseAudio is active. Resolution: add SSID for this machine to the position_fix quirk table, explicitly specifying the LPIB method. Reported-and-Tested-By: D Tangman Cc: <stable@kernel.org> Signed-off-by: Daniel T Chen <crimsun@ubuntu.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-01usb/gadget: Replace the old USB audio FU definitions in f_audio.cTakashi Iwai
The USB audio FU definitions were renewed by the commit 65f25da44b51f55e3a74301c25f29263be2bf1ba ALSA: usb-audio: unify constants from specification Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-06-01V4L/DVB: ivtv: Timing tweaks and code re-order to try and improve stabilityIan Armstrong
Added small delay on device open & close to allow hardware to settle. Move yuv register restore to before the decoder firmware call to stop playback. Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: ivtv: Avoid accidental video standard changeIan Armstrong
For yuv video output, pass fake values to avoid firmware trying to change video standard. Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: ivtvfb : Module load / unload fixesIan Armstrong
Check firmware state when loading module & if firmware is not responding exit with an error. When module is unloaded, only disable the framebuffer & not all decoder output. Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: cx2341x: Report correct temporal setting for log-statusIan Armstrong
[Andy Walls comment:] This patch from Ian removes the cx2341x module lying about the setting of the temporal filter for the log status ioctl(). Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: cx18, cx23885, v4l2 doc, MAINTAINERS: Update Andy Walls' email addressAndy Walls
A trivial change to update my email address from my dead awalls@radix.net address to my current awalls@md.metrocast.net address. Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: drivers/media: Eliminate a NULL pointer dereferenceJulia Lawall
In each case, the print involves dereferencing a value that is NULL or is near NULL. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E,E1; identifier f; statement S1,S2,S3; @@ if ((E == NULL && ...) || ...) { ... when != if (...) S1 else S2 when != E = E1 * E->f ... when any return ...; } else S3 // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: dvb-core: Fix ULE decapsulation bugAng Way Chuang
Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame ULE (Unidirectional Lightweight Encapsulation RFC 4326) decapsulation code has a bug that incorrectly treats ULE SNDU packed into the remaining 2 or 3 bytes of a MPEG2-TS frame as having invalid pointer field on the subsequent MPEG2-TS frame. Signed-off-by: Ang Way Chuang <wcang@nav6.org> Acked-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: Bug fix: make IR work again for dm1105Igor M. Liplianin
It makes IR to work again for dm1105 and, possibly, others. Signed-off-by: Igor M. Liplianin <liplianin@me.by> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: media/IR: nec-decoder needs to select BITREVRandy Dunlap
Fix ir-nec-decoder build: it uses bitrev library code, so select BITREVERSE in its Kconfig. ir-nec-decoder.c:(.text+0x1a2517): undefined reference to `byte_rev_table' ir-nec-decoder.c:(.text+0x1a2526): undefined reference to `byte_rev_table' ir-nec-decoder.c:(.text+0x1a2530): undefined reference to `byte_rev_table' ir-nec-decoder.c:(.text+0x1a2539): undefined reference to `byte_rev_table' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: video/saa7134: change dprintk() to i2cdprintk()Dan Carpenter
The problem is that dprintk() dereferences "dev" which is null here. The i2cdprintk() uses "ir" so that's OK. Also Jean Delvare pointed out a typo in the comment so we may as well fix that. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: video/saa7134: remove duplicate breakDan Carpenter
The original code had two break statements in a row. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: IR/imon: add auto-config for 0xffdc rf deviceJarod Wilson
Add auto-config support for iMON 2.4G LT RF device, based on debug output from Giulio Amodeo in Red Hat bugzilla #572288. Also flips the switch on only setting up the rf associate sysfs attr only if we think we're looking at an RF device, vs. previously, setting up the attr for all 0xffdc devices, so its possible (but a bit unlikely) there's another iMON RF device we'll have to fix up. Nb: should be applied after "IR/imon: clean up usage of bools", or there will be a slight contextual mismatch. Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-06-01V4L/DVB: IR/imon: clean up usage of boolsJarod Wilson
There was a mix of 0/1 and false/true. Pick one convention and stick with it (I picked false/true). Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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