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[PATCH tip/core/rcu 0/6] Fixes for 3.8
Hello! This patch contains fixes as follows: 1. Reinstate a grace-period acceleration that permits invoking the first callback registered on an idle system in one grace period rather than two. The previous version of this acceleration was ...
Message posted on the October 30th, 2012 - 11:50 AM ET
[PATCH tip/core/rcu 0/4] Documentation updates for 3.8
Hello! This patch series contains documentation updates as follows: 1. Fix a broken example in memory-barriers.txt. 2. Fix a paper title in RTFP.txt. (Courtesy of Dhaval Giani.) 3. Mention kfree_rcu() in the whatisRCU.txt section covering ...
Message posted on the October 30th, 2012 - 11:10 AM ET
[PATCH tip/core/rcu 0/6] rcutorture and documentation patches for 3.6
Hello! This patch series updates documentation and rcutorture: 1. Update documentation to allow for the new call_srcu() and srcu_barrier() functions. 2. Fix ordering of the torture_ops list. 3. Make rcutorture actually test the new srcu_barrier() ...
Message posted on the June 15th, 2012 - 3:00 PM ET
[PATCH tip/core/rcu 0/N] Additional RCU commits queued for 2.6.37
Hello! This patchset shows additional patches queued for 2.6.37, over and above those posted at http://lkml.org/lkml/2010/7/14/334. These are all minor fixes, with the exception of patch #8, which adds TINY_PREEMPT_RCU. The patches are as follows: ...
Message posted on the August 9th, 2010 - 6:20 PM ET
[PATCH tip/core/rcu 0/2] SRCU changes for 3.11
Hello! This series provides some SRCU changes: 1. Remove srcu_read_lock_raw() and srcu_read_unlock_raw(). These never did get used, and have not been used for some time, so it is time for them to go. 2. Fix a bug where srcu_read_lock() is not ...
Message posted on the April 12th, 2013 - 7:40 PM ET
[PATCH tip/core/rcu 0/2] Documentation changes for 3.11
Hello! A pair of documentation changes. These are not directly related to RCU, but if no one adopts them, I will send them up with the RCU commits. The patches are as follows: 1. Changes to the new Documentation/timers/NO_HZ.txt documentation ...
Message posted on the May 20th, 2013 - 10:50 AM ET
[PATCH tip/core/rcu 0/8] v2 RCU callback-numbering simplifications for 3.11
Hello! This series takes advantage of callback numbering to simplify RCU's grace-period machinery, in some cases also reducing the number of lock acquisitions (though the resulting change in performance is not perceptible). The individual patches ...
Message posted on the May 20th, 2013 - 10:40 AM ET
[PATCH tip/core/rcu 0/7] Fixes for 3.9
Hello! This series contains the following fixes for RCU: 1. Whitespace fix courtesy of Jiang Fang. 2. Avoid raising softirq from CPUs going offline. 3. Remove obsolete CPU-hotplug comment, courtesy of Srivatsa Bhat. 4. Delete unused ...
Message posted on the March 18th, 2013 - 4:20 PM ET
[PATCH tip/core/rcu 0/2] v2 Add callback-free CPUs
Hello! RCU callback execution can add significant OS jitter and also can degrade scheduling latency. This commit therefore adds the ability for selected CPUs ("rcu_nocbs=" boot parameter) to have their callbacks offloaded to kthreads, ...
Message posted on the October 30th, 2012 - 10:50 PM ET
[PATCH tip/core/rcu 0/8] random RCU fixes and updates
Hello! This patchset contains fixes for problems identified in -next testing and some statistics and documentation updates. The patches are as follows: 1. Update stallwarn.txt to include stall warnings caused by real-time processes (yes, even in ...
Message posted on the September 22nd, 2010 - 9:00 PM ET
[PATCH tip/core/rcu 0/7] Yet more RCU commits queued for 2.6.37
Hello! This patchset shows additional patches queued for 2.6.37, over and above those posted at http://lkml.org/lkml/2010/7/14/334 and at http://lkml.org/lkml/2010/8/9/332. These are all trivial fixes. The patches are as follows: 1. Allow kernel ...
Message posted on the August 20th, 2010 - 2:50 PM ET
[PATCH tip/core/rcu 0/16] rcu: v2 patches queued for 2.6.35
Hello! RFC preview of RCU patches queued for 2.6.35, take 2. Take 1 is at http://lkml.org/lkml/2010/4/5/134. Changes to old patches noted in "[]", new patches flagged with "New". 1. substitute set_need_resched for sending ...
Message posted on the April 15th, 2010 - 2:20 PM 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/core/rcu 0/4] v2 Documentation and rcutorture changes for 3.9
Hello! The following are changes to documentation and rcutorture: 1. Export trace_clock_local() in order to allow rcutorture event tracing to emit the time of the beginning of the RCU read-side critical section at the point where a failure is ...
Message posted on the January 26th, 2013 - 7:10 PM ET