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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2008-08-21 15:14:55 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-21 16:01:02 +0200
commit275a89bdd3868af3008852594d2e169eaf69441b (patch)
tree81ad2537fe871a3e583013dabf6fdba539773332 /mm/quicklist.c
parentrcuclassic: fix compilation NG (diff)
downloadlinux-275a89bdd3868af3008852594d2e169eaf69441b.tar.xz
linux-275a89bdd3868af3008852594d2e169eaf69441b.zip
rcu: use irq-safe locks
Some earlier tip/core/rcu patches caused RCU to incorrectly enable irqs too early in boot. This caused Yinghai's repeated-kexec testing to hit oopses, presumably due to so that device interrupts left over from the prior kernel instance (which would oops the newly booting kernel before it got a chance to reset said devices). This patch therefore converts all the local_irq_disable()s in rcuclassic.c to local_irq_save(). Besides, I never did like local_irq_disable() anyway. ;-) Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/quicklist.c')
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