powerpc: Perform an isync to synchronize CPUs coming out of secondary_hold
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 5 Apr 2011 04:34:58 +0000 (14:34 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 20 Apr 2011 01:03:25 +0000 (11:03 +1000)
commitdd797738643cd3c2dd9cdff7e4c3a04d318ab23a
treef8980e617597c0438da133e529656e0b5489db00
parent948cf67c4726cca2fc57533dccadfb54d890689d
powerpc: Perform an isync to synchronize CPUs coming out of secondary_hold

We need to do that to guarantee they see any code change done by
dynamic patching during boot.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/head_64.S