Aug 2, 2011 - This report single mode was wroted in Chip's I2C programming manual. But in fact, at least in my touch panel, the event type(buf[0]) was. Download Eeti Egalax I2c Programming Manual free. 9/8/2016 0 Comments EETI Projected Capacitive EXC3. 0 is the master chip working with slave EX5. 2 sensing chip which provides a high performance of projected capacitive touch solution and be able to be cascaded to support up to 4.

Commit: sched: Remove get_online_cpus() usage tries to do sync_sched/rcu() inside _cpu_down() but triggers: INFO: task swapper/0:1 blocked for more than 120 seconds. [] synchronize_rcu+0x2c/0x30 [] _cpu_down+0x2b2/0x340. It was caused by that in the rcu boost case we rely on smpboot thread to finish the rcu callback, which has already been parked before sync in here and leads to the endless sync_sched/rcu(). This patch exchanges the sequence of smpboot_park_threads() and sync_sched/rcu() to fix the bug. Reported-by: Fengguang Wu Tested-by: Fengguang Wu Signed-off-by: Michael Wang Signed-off-by: Peter Zijlstra Link: Signed-off-by: Ingo Molnar. The cpusets code can split up the scheduler's domain tree into smaller domains. Some of those smaller domains may not cross NUMA nodes at all, leading to a NULL pointer dereference on the per-cpu sd_numa pointer.

Tasks cannot be migrated out of their domain, so the patch also sets p->numa_preferred_nid to whereever they are, to prevent the migration from being retried over and over again. Reported-by: Prarit Bhargava Signed-off-by: Rik van Riel Signed-off-by: Peter Zijlstra Cc: Mel Gorman Link: Signed-off-by: Ingo Molnar. Because we're completely unserialized against hotplug its well possible to try and generate numa stats for an offlined node. Bail out early (and avoid a /0) in this case. The resulting stats are all 0 which should result in an undesirable balance target -- not to mention that actually trying to migrate to an offline CPU will fail.

Reported-by: Prarit Bhargava Signed-off-by: Peter Zijlstra Cc: Mel Gorman Link: Signed-off-by: Ingo Molnar. Marble game getter for sale. Large multi-threaded apps like to hit this using do_sys_times() and then queue up on the rq->lock.

Avoid when possible. Larry reported ~20% performance increase his test case. Reported-by: Larry Woodman Suggested-by: Paul Turner Signed-off-by: Peter Zijlstra Cc: KOSAKI Motohiro Cc: Linus Torvalds Cc: Andrew Morton Link: Signed-off-by: Ingo Molnar. Now that seqcounts are lockdep enabled objects, we need to explicitly initialize runtime allocated seqcounts so that lockdep can track them. Without this patch, Fengguang was seeing: [ 4.127282] INFO: trying to register non-static key.

[ 4.128027] the code is fine but needs lockdep annotation. [ 4.128027] turning off the locking correctness validator. [ 4.128027] CPU: 0 PID: 96 Comm: kworker/u4:1 Not tainted 3.12.0-next-2011-gbad570d [ 4.128027] Hardware name: Bochs Bochs, BIOS Bochs [.

] [ 4.128027] Call Trace: [ 4.128027] []? Console_unlock+0x353/0x380 [ 4.128027] [] dump_stack+0x48/0x60 [ 4.128027] [] __lock_acquire.isra.26+0x7e3/0xceb [ 4.128027] [] lock_acquire+0x71/0x9a [ 4.128027] []?

Blk_throtl_bio+0x1c3/0x485 [ 4.128027] [] throtl_update_dispatch_stats+0x7c/0x153 [ 4.128027] []? Blk_throtl_bio+0x1c3/0x485 [ 4.128027] [] blk_throtl_bio+0x1c3/0x485. Use u64_stats_init() for all affected data structures, which initializes the seqcount. Reported-and-Tested-by: Fengguang Wu Cc: Vivek Goyal Cc: Jens Axboe Signed-off-by: Peter Zijlstra [ Folded in another fix from the mailing list as well as a fix to that fix.

Tweaked commit message. ] Signed-off-by: John Stultz Signed-off-by: Peter Zijlstra Link: [ So I actually think that the two SOBs from PeterZ are the right depiction of the patch route. ] Signed-off-by: Ingo Molnar. Snd_hda_codec_reset() is called either in resetting the whole setup at error paths or hwdep clear/reconfig sysfs triggers.

But all of these don't assume that the power has to be off, rather they want to keep the power state unchanged (e.g. Reconfig_codec() calls the power up/down by itself). Thus, unconditionally clearing the power state in snd_hda_codec_reset() leads to the inconsistency, confuses the further operation. This patch gets rid of the lines doing that bad thing. Cc: Signed-off-by: Takashi Iwai. Now that we have 64-bits for PMDs we can stop using special encodings for the huge PMD values, and just put real PTEs in there. We allocate a _PAGE_PMD_HUGE bit to distinguish between plain PMDs and huge ones.

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