[ARM SMP] Ensure secondary CPUs see their pen release
authorRussell King <rmk@dyn-67.arm.linux.org.uk>
Fri, 29 Jul 2005 15:36:48 +0000 (16:36 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Fri, 29 Jul 2005 15:36:48 +0000 (16:36 +0100)
commit7ac5ae4b122f9415948c642b945a26938aa8f347
treed925c9b022866bfac4e1e0ddaff76cbe158bdbbf
parente7ec02938dbe8ca35b750f29eaa4b12de0b52754
[ARM SMP] Ensure secondary CPUs see their pen release

Since the secondary CPUs will not be operating in symetric mode
while they are held in the pen, we need to ensure that the write
to pen_release is visible to them, by flushing the cache.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mach-integrator/platsmp.c