Ingo, Thomas,
Please pull the timers/posix-timers-for-tip branch that can be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
timers/posix-timers-for-tip
HEAD: 239dd62b5c41bf606f3a3b3adb9e70341a62dbd3
It passed through 0-day testing.
This is another series of posix cpu timers cleanups. Note it's essentially the
same
as: "posix-timers: Various cleanups" at http://lkml.org/lkml/2013/10/12/107
which
Peter Zijlstra had a look into. He told me that it looked ok. This version
brings
almost no code change (just fix a NULL check ommitted somewhere), it's mostly a
rebase
against 2.6.12 with refined changelogs.
It's a first pile but more is to come, as I have some more cleanups in mind.
Plus
I plan to integrate more fixes from Kosaki Motohiro.
Changes:
* Remove a few irrelevant optimizations that were complicating the code a lot
* Consolidate local and remote clock read
* Remove dead leftovers
* Optimize the locking by removing unnecessary uses of tasklist lock
* Various other cleanups...
Thanks,
Frederic
---
Frederic Weisbecker (10):
posix-timers: Remove dead thread posix cpu timers caching
posix-timers: Remove dead process posix cpu timers caching
posix-timers: Cleanup reaped target handling
posix-timers: Remove dead task special case
posix-timers: Remove useless clock sample on timers cleanup
posix-timers: Consolidate posix_cpu_clock_get()
posix-timers: Use sighand lock instead of tasklist_lock for task clock
sample
posix-timers: Use sighand lock instead of tasklist_lock on timer deletion
posix-timers: Remove remaining uses of tasklist_lock
posix-timers: Convert abuses of BUG_ON to WARN_ON
kernel/posix-cpu-timers.c | 309 +++++++++++++++++++---------------------------
1 file changed, 129 insertions(+), 180 deletions(-)
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