ARM: CPU hotplug: ensure correct ordering of unplug

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Don't call idle_task_exit() with interrupts disabled, and ensure
that we have a memory barrier after interrupts are disabled but
before signalling that this CPU has shut down.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Russell King 2010-11-30 12:21:30 +00:00

parent bbc81fd432

commit f36d340122

1 changed files with 3 additions and 1 deletions

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arch/arm/kernel/smp.c

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