Kernel

Describe events in a structured way via sysfs
* Peter Zijlstra <peterz(a)infradead.org> wrote: On Thu, 2010-05-20 at 16:12 -0700, Greg KH wrote: How deep in the device tree are you really going to be caring about? It sounds like the large majority of events are only going to be coming from the "system" type objects (cpu,... 20 Jul 2010 17:58

linux-next: build failure after merge of the sound tree
Hi Takashi, After merging the sound tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from drivers/usb/gadget/audio.c:37: drivers/usb/gadget/f_audio.c:104: error: 'UAC_MUTE_CONTROL' undeclared here (not in a function) drivers/usb/gadget/f_audio.c:113: error: 'UAC_VOLUME_CO... 1 Jun 2010 02:11

[PATCH] Documentation/timers/hpet_example.c: only build on X64
From: Randy Dunlap <randy.dunlap(a)oracle.com> We should only build hpet_example on X64, where it is implemented. It can cause build errors on other arch-es. Signed-off-by: Randy Dunlap <randy.dunlap(a)oracle.com> Reported-by: Heiko Carstens <heiko.carstens(a)de.ibm.com> Cc: Heiko Carstens <heiko.carstens(a)de.ibm.co... 31 May 2010 22:56

linux-next: build failure after merge of the shtree
Hi Paul, After merging the sh tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from drivers/usb/gadget/r8a66597-udc.c:35: drivers/usb/gadget/r8a66597-udc.h: In function 'r8a66597_read_fifo': drivers/usb/gadget/r8a66597-udc.h:147: error: implicit declaration of function 'r... 1 Jun 2010 00:02

oom: select_bad_process: PF_EXITING check should take ->mm into account
Hi --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -287,7 +287,7 @@ static struct task_struct *select_bad_process(unsigned long *ppoints, * the process of exiting and releasing its resources. * Otherwise we could get an easy OOM deadlock. */ - if (p->flags & PF_EXITING) { ... 31 May 2010 21:52

oom: introduce find_lock_task_mm() to fix !mm false positives
On Mon, 31 May 2010 18:36:34 +0900 (JST) KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> wrote: From: Oleg Nesterov <oleg(a)redhat.com> Subject: [PATCH 3/5] oom: introduce find_lock_task_mm() to fix !mm false positives Almost all ->mm == NUL checks in oom_kill.c are wrong. The current code assumes... 3 Jun 2010 03:29

module: fix bne2 "gave up waiting for init of module libcrc32c"
On Tue, 1 Jun 2010 02:18:34 am Andrew Morton wrote: On Mon, 31 May 2010 21:32:27 +0930 Rusty Russell <rusty(a)rustcorp.com.au> wrote: Problem: it's hard to avoid an init routine stumbling over a request_module these days. And it's not clear it's always a bad idea: for example, a module like kvm wit... 4 Jun 2010 22:28

Article in Phoronix about loss of performance in 2.6.35 release candidates
On Tue, Jun 1, 2010 at 10:46 AM, Alex Buell <alex.buell(a)munted.org.uk> wrote: On Mon, 2010-05-31 at 17:39 -0600, Robert Hancock wrote: On 05/31/2010 05:19 PM, Alex Buell wrote: http://www.phoronix.com/vr.php?view=14976 Question: Why? Good question.. I guess it would too much to ask of t... 1 Jun 2010 02:11

oom: select_bad_process: check PF_KTHREAD instead of !mm to skip kthreads
On Mon, 31 May 2010 18:33:06 +0900 (JST) KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com> wrote: From: Oleg Nesterov <oleg(a)redhat.com> Subject: oom: select_bad_process: check PF_KTHREAD instead of !mm to skip kthreads select_bad_process() thinks a kernel thread can't have ->mm != NULL, this is not tr... 3 Jun 2010 16:46

[PATCH v2] printk: fix delayed messages from CPU hotplug events
When a secondary CPU is being brought up, it is not uncommon for printk() to be invoked when cpu_online(smp_processor_id()) == 0. The case that I witnessed personally was on MIPS: http://lkml.org/lkml/2010/5/30/4 If (can_use_console() == 0), printk() will spool its output to log_buf and it will be visible in ... 31 May 2010 20:46