Kernel

perf: Drop the skip argument from perf_arch_fetch_regs_caller
On Fri, May 21, 2010 at 12:24:37PM +0200, Peter Zijlstra wrote: On Fri, 2010-05-21 at 10:11 +0200, Frederic Weisbecker wrote: +static inline void perf_fetch_caller_regs(struct pt_regs *regs) { - unsigned long ip; - memset(regs, 0, sizeof(*regs)); btw, do we really need ... 21 May 2010 07:18

perf: Drop the skip argument from perf_arch_fetch_regs_caller
On Fri, 2010-05-21 at 10:11 +0200, Frederic Weisbecker wrote: +static inline void perf_fetch_caller_regs(struct pt_regs *regs) { - unsigned long ip; - memset(regs, 0, sizeof(*regs)); btw, do we really need that memset? As long as we don't actually copy out to userspace, it really doe... 21 May 2010 07:18

misc: don't use sig->count
Oleg Nesterov <oleg(a)redhat.com> wrote: According to grep, get_nr_threads() becomes the only user of sig->count. Are these two patches going upstream in this window? David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More ... 24 May 2010 11:13

perf, trace: Use per-tracepoint-per-cpu hlist to track events
On Fri, 2010-05-21 at 11:40 +0200, Frederic Weisbecker wrote: On Fri, May 21, 2010 at 11:02:03AM +0200, Peter Zijlstra wrote: Also, avoid conditionals on the fast path by ordering with probe unregister so that we should never get on the callback path without the data being there. \ ... 21 May 2010 10:35

cfq-iosched: remove dead_key from cfq_io_context
On Thu, May 20 2010, Konstantin Khlebnikov wrote: Remove ->dead_key field from cfq_io_context to shrink its size to 128 bytes. (64 bytes for 32-bit hosts) Use lower bit in ->key as dead-mark, instead of moving key to separate field. After this for dead cfq_io_context we got cic->key != cfqd automaticall... 21 May 2010 13:55

perf, trace: Use per-tracepoint-per-cpu hlist to track events
On Fri, May 21, 2010 at 11:02:03AM +0200, Peter Zijlstra wrote: Avoid the swevent hash-table by using per-tracepoint hlists. Also, avoid conditionals on the fast path by ordering with probe unregister so that we should never get on the callback path without the data being there. Signed-off-by: Peter... 21 May 2010 07:18

tracing: add compat syscall support v3
Hi Jason, I'm currently in the process of implementing syscall tracepoints for PowerPC, and a considerable amount of my work is going to end up requiring these patches of yours. I've reviewed and tested your patches (and spent a good chunk of time rebasing them on top of tip/tracing/core) and they all seem prett... 17 Jun 2010 12:18

[rfc] 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, nodes, memor... 21 May 2010 06:13

[RFC][PATCH v6 11/19] Use callback to deal with skb_release_data() specially.
From: Xin Xiaohui <xiaohui.xin(a)intel.com> If buffer is external, then use the callback to destruct buffers. Signed-off-by: Xin Xiaohui <xiaohui.xin(a)intel.com> Signed-off-by: Zhao Yu <yzhao81new(a)gmail.com> Reviewed-by: Jeff Dike <jdike(a)linux.intel.com> --- net/core/skbuff.c | 11 +++++++++++ 1 files chang... 21 May 2010 06:13

[RFC][PATCH v6 06/19] Add a function to indicate if device use external buffer.
From: Xin Xiaohui <xiaohui.xin(a)intel.com> Signed-off-by: Xin Xiaohui <xiaohui.xin(a)intel.com> Signed-off-by: Zhao Yu <yzhao81new(a)gmail.com> Reviewed-by: Jeff Dike <jdike(a)linux.intel.com> --- include/linux/netdevice.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/include/linux/ne... 21 May 2010 06:13