Kernel

[patch] pipe: add support for shrinking and growing pipes
This is a forward port to 2.6.34 of this patch from Jens: http://git.kernel.dk/?p=linux-2.6-block.git;a=commitdiff_plain;h=24547ac4d97bebb58caf9ce58bd507a95c812a3f One issue I see is that it's possible to grow pipes indefinitely. Should this be restricted to privileged users? Thanks, Miklos From: Jens... 19 May 2010 13:47

MM: Fix NR_SECTION_ROOTS == 0 when using using sparsemem extreme.
On Wed, 5 May 2010 18:02:46 -0300, Marcelo Roberto Jimenez <mroberto(a)cpti.cetuc.puc-rio.br> wrote: Got this while compiling for ARM/SA1100: mm/sparse.c: In function '__section_nr': mm/sparse.c:135: warning: 'root' is used uninitialized in this function This patch follows Russell King's suggestion f... 19 May 2010 13:47

[PATCH -tip v3 2/5] [CLEANUP] kprobes: Remove redundant text_mutex lock in optimize
Remove text_mutex locking in optimize_all_kprobes, because this function doesn't modify text. It simply queues probes on optimization list for kprobe_optimizer worker thread. Changes in v2: - Update changelog. - Add comments for (un)optimize_all_kprobes. - Update kprobe_mutex comment. Signed-off-by: Masam... 19 May 2010 13:47

[PATCH] msm_serial: fix serial on trout
All targets report the correct uartclk except trout. For trout force mnd counter values as if uartclk was fed by tcxo/4. For other targets set the mnd counter based on uartclk. Signed-off-by: Abhijeet Dharmapurikar <adharmap(a)codeaurora.org> --- drivers/serial/msm_serial.c | 33 ++++++++++++++++++++++++++++---... 19 May 2010 12:41

linux-next: build failure after merge of the slabh tree
Hi Gregory, On Mon, 29 Mar 2010 17:07:27 +1100 Stephen Rothwell <sfr(a)canb.auug.org.au> wrote: After merging the slabh tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/vbus/bus-proxy.c: In function 'vbus_driver_ioq_release': drivers/vbus/bus-proxy.c:192: error: implici... 19 May 2010 12:40

[PATCH 00/13] jump label v8
Hi, updates for -v8: *converted jump labels to use a numeric key instead of a string to identify sets of related jump labels. this saves space, since we no longer store all the strings. It also simplifies the jump label call as: -# define JUMP_LABEL(tag, label, cond) +# define JUMP_LABEL(key, label) ... 19 May 2010 12:40

[PATCH 08/13] jump label v8: initialize workqueue tracepoints *before* they are registered
Initialize the workqueue data structures *before* they are registered so that they are ready for callbacks. Signed-off-by: Jason Baron <jbaron(a)redhat.com> --- kernel/trace/trace_workqueue.c | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/trace/trace_workqueue.c b/kerne... 19 May 2010 12:40

KVM: MMU: split kvm_sync_page() function
On 05/15/2010 01:51 PM, Xiao Guangrong wrote: Split kvm_sync_page() into kvm_sync_page() and kvm_sync_page_transient() to clarify the code address Avi's suggestion kvm_sync_page_transient() function only update shadow page but not mark it sync and not write protect sp->gfn. it will be used by later patch... 19 May 2010 12:40

timer/hrtimer: how do they work
Hi I am trying to understand how timer/hrtimer work. I am not yet clear about the following points. Please help. I understand that there are two types of timer queues: - timer wheel - hrtimer I also understand that there are separate sets of APIs for adding and removing timers into those queues. N... 19 May 2010 12:40

acpi: update gfp/slab.h includes
Hi Len, On Tue, 30 Mar 2010 02:52:44 +0900 Tejun Heo <tj(a)kernel.org> wrote: Implicit slab.h inclusion via percpu.h is about to go away. Make sure gfp.h or slab.h is included as necessary. Please apply this to the acpi tree (patch reposted below). From: Tejun Heo <tj(a)kernel.org> To: sfr(a)canb.auug.org... 19 May 2010 12:40