Documentation and rcutorture changes for 3.9
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- v1 Latest3 patches 1 replyIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | tracing: Export trace_clock_local()kernel/ | +1 | 0 replies | |
| 2/3 | rcu: Reduce rcutorture tracinginclude/ include/ kernel/ +1 more | +54 | 0 replies | |
| 3/3 | Documentation: Memory barrier semantics of atomic_xchg()Documentation/ Documentation/ | +3 | 0 replies |
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None of the 3 patches has a Reviewed-by or Acked-by of their own; the series has one for all of them.
| Patch | Josh Triplett |
|---|---|
| Series | R-b |
| 1/3 | |
| 2/3 | |
| 3/3 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH tip/core/rcu 0/3] 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 detected.
2. Reduce rcutorture's read-side tracing to include only failures,
thus cutting the number of events down to something reasonable (normally zero, in fact!).
3. Add atomic_xchg() to the list of atomic operations and memory
barriers, courtesy of Richard Braun.
Thanx, Paul
Documentation/atomic_ops.txt | 2 ++ Documentation/memory-barriers.txt | 1 + include/linux/rcupdate.h | 13 ++++++++++--- include/trace/events/rcu.h | 19 ++++++++++++++----- kernel/rcupdate.c | 9 ++++++--- kernel/rcutorture.c | 31 ++++++++++++++++++++++++------- kernel/trace/trace_clock.c | 1 + 7 files changed, 58 insertions(+), 18 deletions(-)