4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Michael Ellerman <m...@ellerman.id.au>
The back port of commit c7305645eb0c ("powerpc/64s: Convert
slb_miss_common to use RFI_TO_USER/KERNEL") missed a hunk needed to
restore cr6.
Fixes: 48cc95d4e4d6 ("powerpc/64s: Convert slb_miss_common to use
RFI_TO_USER/KERNEL")
Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/powerpc/kernel/exceptions-64s.S | 1 +
1 file changed, 1 insertion(+)
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -680,6 +680,7 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_TYPE_R
.machine push
.machine "power4"
mtcrf 0x80,r9
+ mtcrf 0x02,r9 /* I/D indication is in cr6 */
mtcrf 0x01,r9 /* slb_allocate uses cr0 and cr7 */
.machine pop
