|| ||Ingo Molnar <email@example.com>|
|| ||"K.R. Foley" <firstname.lastname@example.org>|
|| ||[patch] voluntary-preempt-2.6.9-rc2-mm1-S3|
|| ||Wed, 22 Sep 2004 12:33:40 +0200|
|| ||email@example.com, Lee Revell <firstname.lastname@example.org>,
i've released the -S3 VP patch:
most importantly, -S3 fixes the SMP+PREEMPT bug reported by K.R. Foley.
It was a bug in BKL-preemption: forced preemption still caused automatic
dropping of the BKS - this is bad and broke fs/locks.c. (The race could
occur on UP+PREEMPT too but it has never been reproduced there.)
other changes since -S2:
- introduced a CONFIG_PREEMPT_BKL - just in case there are other
problems. This can be used to turn BKL preemption on/off. Can be
useful for performance tests as well.
- fixed a couple of more smp_processor_id() false positives.
- cleaned up hardirq.c some more
To get a 2.6.9-rc2-mm1-VP-S3 kernel, the patching order is:
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