[PATCH -tip v2 0/5] kprobes: batch (un)optimization support - patch tip - order by pertinence

[PATCH tip/urgent] rcu: add rcu_access_pointer and rcu_dereference_protected

This patch adds variants of rcu_dereference() that handle situations where the RCU-protected data structure cannot change, perhaps due to our holding the update-side lock, or where the RCU-protected pointer is only to be fetched, not dereferenced. ...

Message posted on the April 7th, 2010 - 12:30 PM ET

Re: [PATCH tip/core/urgent] rcu: protect fork-time cgroup access

On Mon, Mar 29, 2010 at 11:42:55PM +0200, Peter Zijlstra wrote: > On Mon, 2010-03-29 at 14:34 -0700, Paul E. McKenney wrote: > > > And it appears that my patch is at best insufficient: > > http://paste.ubuntu.com/406189/ > > ...

Message posted on the March 30th, 2010 - 6:10 AM ET

[PATCH tip/core/rcu] rcu: make rcu_read_lock_bh_held() allow for disabled BH

Disabling BH can stand in for rcu_read_lock_bh(), and this patch updates rcu_read_lock_bh_held() to allow for this. In order to avoid include-file hell, this function is moved out of line to kernel/rcupdate.c. Reported-by: Arnd Bergmann ...

Message posted on the March 15th, 2010 - 7:10 PM ET

[PATCH -tip v5 0/5] perf script: add BTS analysis features

Hi Frederic, David, This patch series adds the functions to analyze BTS logs to perf-script and, makes perf-script more informative version 5. The patches add the following functions. - Unify the expression to "[unknown]" - Fix BTS record ...

Message posted on the January 29th, 2012 - 11:50 PM ET

[PATCH -tip v4 0/5] perf script: add BTS analysis features

Hi Frederic, David, This patch series adds the functions to analyze BTS logs to perf-script and, makes perf-script more informative version 4. The patches add the following functions. - Unify the expression to "[unknown]" - Fix BTS record ...

Message posted on the January 16th, 2012 - 12:30 AM ET

[PATCH tip/core/rcu 0/N] v2 RCU commits for 3.4

Hello! This is v2 of this patchset. Earlier versions may be found at https://lkml.org/lkml/2012/2/1/354 and https://lkml.org/lkml/2012/2/2/575. A big "thank you" to all the reviewers, particularly Josh Triplett, for the excellent ...

Message posted on the February 3rd, 2012 - 8:50 PM ET

[PATCH -tip] kvm_tools: fix build fail

Commit e5fd47bfab2df0c2184cc0bf4245d8e1bb7724fb in -tip tree adds a "bool set_pm_idle_to_default(void);" to system.h which causes kvm_tool build fail: In file included from include/kvm/barrier.h:13:0, from virtio/core.c:5: ...

Message posted on the December 8th, 2011 - 4:00 AM ET

[PATCH -tip v2 0/9]perf probe bugfixes

Hi, Here is the updated version of bugfix series for perf probe. I've added some bugfixes which come up with newer gcc. Changes: - Update against recent changes on tip tree. - Add several actual outputs of the command for explaining the bugfix. - ...

Message posted on the August 11th, 2011 - 7:30 AM ET

[PATCH tip/core/rcu 0/3] Fixes for lockdep and out-of-tree-module build problem

Hello! These patches fix some bugs found in -tip testing: 1. Avoid a build error for some compiler arguments for out-of-tree modules. 2. Add a generic atomic_or(). 3. Use atomic_or() to avoid a lockdep splat. Following this will be specific ...

Message posted on the May 11th, 2011 - 5:00 PM ET

[PATCH tip/core/rcu 0/13] v2 TINY_RCU changes for 3.11

Hello! This series removes TINY_PREEMPT_RCU, as promised/threatened at http://lwn.net/Articles/541037/ and https://lkml.org/lkml/2012/11/12/545. 1. Remove TINY_PREEMPT_RCU. This is a straight syntactic removal, with no attempt at cleanup. The ...

Message posted on the May 20th, 2013 - 11:00 AM ET

[PATCH tip/core/rcu 0/14] v2 RCU idle/no-CB changes for 3.9

Hello! This series contains changes to RCU_FAST_NO_HZ idle entry/exit and also removes restrictions on no-CBs CPUs. This series contains some commits that are still a bit on experimental side, so you should avoid using these patches unless you ...

Message posted on the January 27th, 2013 - 12:20 AM ET

[PATCH tip/core/rcu 0/14] RCU idle/no-CB changes for 3.9

Hello! This series contains changes to RCU_FAST_NO_HZ idle entry/exit and also removes restrictions on no-CBs CPUs. This series contains some commits that are still rather experimental, so you should avoid using these patches unless you would like ...

Message posted on the January 5th, 2013 - 12:50 PM ET

[PATCH tip/core/rcu 0/3] CPU-hotplug changes

Hello! This patch series contains fixes and improvements related to CPU hotplug: 1. Remove _rcu_barrier() dependency on __stop_machine(). 2. Disallow callback registry on offline CPUs. 3. Fix load avg vs cpu-hotplug (with Peter Zijlstra). Thanx, ...

Message posted on the August 30th, 2012 - 5:50 PM ET

[PATCH tip/core/rcu 0/23] Improvements to RT response on big systems and expedited functions

Hello! This patch series contains additional improvements to latency for large systems (beyond those in 3.6), along with improvements to synchronize_rcu_expedited(). It also fixes one race introduced by the latency improvements and another that ...

Message posted on the August 30th, 2012 - 2:20 PM ET