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authorPaul E. McKenney <[email protected]>2008-09-03 09:15:30 +0000
committerDavid S. Miller <[email protected]>2008-09-03 09:15:30 +0000
commit4d084617fb0d025c42c242362d1f27d337e2d407 (patch)
tree8bc8a49447713d712aa0f66dd5c9c1e6d44a33b6 /fs/proc/array.c
parentsparc64: Fix IPI call locking. (diff)
downloadkernel-4d084617fb0d025c42c242362d1f27d337e2d407.tar.gz
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sparc64: Prevent sparc64 from invoking irq handlers on offline CPUs
Make sparc64 refrain from clearing a given to-be-offlined CPU's bit in the cpu_online_mask until it has processed pending irqs. This change prevents other CPUs from being blindsided by an apparently offline CPU nevertheless changing globally visible state. Signed-off-by: Paul E. McKenney <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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