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authorYong Zhang <yong.zhang0@gmail.com>2010-01-11 14:21:25 +0800
committerIngo Molnar <mingo@elte.hu>2010-01-21 13:39:04 +0100
commit6d558c3ac9b6508d26fd5cadccce51fc9d726b1c (patch)
treedbad2aa9c5874ea7ee5fff1f9f32b0be208c3df6 /arch/x86/power/hibernate_asm_32.S
parent50b926e439620c469565e8be0f28be78f5fca1ce (diff)
sched: Reassign prev and switch_count when reacquire_kernel_lock() fail
Assume A->B schedule is processing, if B have acquired BKL before and it need reschedule this time. Then on B's context, it will go to need_resched_nonpreemptible for reschedule. But at this time, prev and switch_count are related to A. It's wrong and will lead to incorrect scheduler statistics. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <2674af741001102238w7b0ddcadref00d345e2181d11@mail.gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/power/hibernate_asm_32.S')
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