On Wed, Jan 13, 2021 at 06:40:20AM +0000, Christophe Leroy wrote:
This is backport for 5.10(cherry picked from commit 98bf2d3f4970179c702ef64db658e0553bc6ef3a) When we have VMAP stack, exception prolog 1 sets r1, not r11. When it is not an RTAS machine check, don't trash r1 because it is needed by prolog 1. Fixes: da7bb43ab9da ("powerpc/32: Fix vmap stack - Properly set r1 before activating MMU") Cc: [email protected] # v5.10+ Signed-off-by: Christophe Leroy <[email protected]> [mpe: Squash in fixup for RTAS machine check from Christophe] Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/bc77d61d1c18940e456a2dee464f1e2eda65a3f0.1608621048.git.christophe.le...@csgroup.eu
Queued up, thanks! -- Thanks, Sasha

