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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-05-12 01:08:07 -0700
committerIngo Molnar <mingo@elte.hu>2011-05-19 23:25:29 +0200
commit80d02085d99039b3b7f3a73c8896226b0cb1ba07 (patch)
treec310902423ecb00effadcb59c60cbf118d4037cb /init/Kconfig
parent11c476f31a0fabc6e604da5b09a6590b57c3fb20 (diff)
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Revert "rcu: Decrease memory-barrier usage based on semi-formal proof"
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>
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