tree 87e14bf51dfa65e3eac3f53528fb6036b0f46de6
parent 422b9b9684db3c511e65c91842275c43f5910ae9
author Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> 1394515578 +0530
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1395616569 +1100

powerpc/book3s: Fix CFAR clobbering issue in machine check handler.

While checking powersaving mode in machine check handler at 0x200, we
clobber CFAR register. Fix it by saving and restoring it during beq/bgt.

Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>