]> git.baikalelectronics.ru Git - kernel.git/commit
Revert "rcu: Decrease memory-barrier usage based on semi-formal proof"
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 12 May 2011 08:08:07 +0000 (01:08 -0700)
committerIngo Molnar <mingo@elte.hu>
Thu, 19 May 2011 21:25:29 +0000 (23:25 +0200)
commitec8ca4f548a01f89ed2abb79a3fedae927aaf495
treec310902423ecb00effadcb59c60cbf118d4037cb
parent7d82e6c5f8633eb5c37902eeac1adeb8e30133b0
Revert "rcu: Decrease memory-barrier usage based on semi-formal proof"

This reverts commit c9d149b5d56e36c32153ec24afd08352f8442feb.

This reversion was due to (extreme) boot-time slowdowns on SPARC seen by
Yinghai Lu and on x86 by Ingo
.
This is a non-trivial reversion due to intervening commits.

Conflicts:

Documentation/RCU/trace.txt
kernel/rcutree.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Documentation/RCU/trace.txt
kernel/rcutree.c
kernel/rcutree.h
kernel/rcutree_plugin.h
kernel/rcutree_trace.c