Blackfin: flush caches on SMP when one core calls another via IPI

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Sometimes a SMP system will randomly panic at boot.  This is due to caches
being out of sync when one core tries to signal the other.  So when one
core calls another via IPI, flush the data caches.

Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

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Yi Li 2009-12-04 06:56:21 +00:00 • committed by Mike Frysinger

parent 3630ac34b0

commit c9784ebb23

1 changed files with 24 additions and 2 deletions

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arch/blackfin/mach-common/smp.c

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