Kernel

[PATCHv5 14/15] writeback: add new tracepoints
From: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com> Add 2 new trace points to the periodic write-back wake up case, just like we do in the 'bdi_queue_work()' function. Namely, introduce: 1. trace_writeback_wake_thread(bdi) 2. trace_writeback_wake_forker_thread(bdi) The first event is triggered every time we ... 25 Jul 2010 05:28

[PATCHv5 12/15] writeback: optimize periodic bdi thread wakeups
From: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com> Whe the first inode for a bdi is marked dirty, we wake up the bdi thread which should take care of the periodic background write-out. However, the write-out will actually start only 'dirty_writeback_interval' centisecs later, so we can delay the wake-up. This... 25 Jul 2010 05:28

[PATCHv5 00/15] kill unnecessary bdi wakeups + cleanups
Hi, here is v5 of the patch series which clean-ups bdi threads and substantially lessens amount of unnecessary kernel wake-ups, which is very important on battery-powered devices. This patch-set is also available at: git://git.infradead.org/users/dedekind/misc-2.6.git flushers_v5 Changes since v4 Most patc... 25 Jul 2010 05:28

[PATCHv5 10/15] writeback: move bdi threads exiting logic to the forker thread
From: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com> Currently, bdi threads can decide to exit if there were no useful activities for 5 minutes. However, this causes nasty races: we can easily oops in the 'bdi_queue_work()' if the bdi thread decides to exit while we are waking it up. And even if we do not oops, ... 25 Jul 2010 05:28

nconfig: Fix segfault when help contains special characters
2010/7/23 Michal Marek <mmarek(a)suse.cz>: On 23.7.2010 09:04, Stephen Boyd wrote: nconfig segfaults when help text contains the character '%'. For a quick example, navigate to the kernel compression options and get the help for bzip2. Doing so triggers a call to mvwprintw() with a string containing '%... 25 Jul 2010 05:28

[PATCHv5 05/15] writeback: do not lose wake-ups in bdi threads
From: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com> Currently, bdi threads ('bdi_writeback_thread()') can lose wake-ups. For example, if 'bdi_queue_work()' is executed after the bdi thread have had finished 'wb_do_writeback()' but before it called 'schedule_timeout_interruptible()'. To fix this issue, we have ... 25 Jul 2010 05:28

[PATCH] Update for saa7134 driver. Radio support for ENLTV-FM53
Fix radio support for Encore ENLTV-FM v5.3 card --- linux/drivers/media/video/saa7134/saa7134-cards.c.orig 2010-07-24 18:21:30.000000000 -0300 +++ linux/drivers/media/video/saa7134/saa7134-cards.c 2010-07-24 18:21:44.000000000 -0300 @@ -3651,7 +3651,7 @@ struct saa7134_board saa7134_boards[] = .radio = { ... 25 Jul 2010 03:21

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x86, mrst: remove unused mrst_identify_cpu()
Jacob, is this obsolete or something that will be needed in future versions? It seems that either __mrst_cpu_chip should be killed off, or read-only users should be using the inline instead of __mrst_cpu_chip directly. -hpa On 07/24/2010 09:50 PM, Javier Martinez Canillas wrote: mrst_identify_cpu() functi... 25 Jul 2010 15:07

[PATCH] x86, mrst: remove unused mrst_identify_cpu()
mrst_identify_cpu() function is not been used anymore (at today linux-next). This patch removes it. Signed-off-by: Javier Martinez Canillas <martinez.javier(a)gmail.com> --- arch/x86/include/asm/mrst.h | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/mrst.h b/arch/... 25 Jul 2010 01:13