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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)
This reverts commit e59fb3120becfb36b22ddb8bd27d065d3cdca499.

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>

No differences found
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