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(parent: 13a73a2) | patch
powerpc: Make decrementer interrupt robust against offlined CPUs
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 29 Mar 2011 03:51:10 +0000 (14:51 +1100)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 1 Apr 2011 04:37:07 +0000 (15:37 +1100)
commitbcfe56d72c2c8b2e107552d19611b1b2638b5718
tree323acf4be02bddfebc9fe0a415b9e709fb8f5bf5tree | snapshot
parent13a73a2b8443c475b969d7024a10c399358127b9commit | diff
powerpc: Make decrementer interrupt robust against offlined CPUs

With some implementations, it is possible that a timer interrupt
occurs every few seconds on an offline CPU. In this case, just
re-arm the decrementer and return immediately

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/time.c diff | blob | history
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