powerpc: Disable IRQs off tracer in ppc64 defconfig

The IRQs off tracer enables mcount which has a big impact on
performance. Disable it.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2011-07-06 13:13:15 +00:00 • committed by Benjamin Herrenschmidt
commit 241590c35f