ARM: SMP: ensure smp_send_stop() waits for CPUs to stop

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Wait for CPUs to indicate that they've stopped, after sending the
stop IPI, rather than blindly continuing on and hoping that they've
stopped in time.  Print a warning if we fail to stop the other CPUs.

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

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Russell King 2010-12-02 09:53:54 +00:00

parent 0eb0511d17

commit 28e18293cf

1 changed files with 15 additions and 3 deletions

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arch/arm/kernel/smp.c

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