On Mon, 2019-06-17 at 21:42:14 UTC, Christophe Leroy wrote: > Previously, only IBAT1 and IBAT2 were used to map kernel linear mem. > Since commit 63b2bc619565 ("powerpc/mm/32s: Use BATs for > STRICT_KERNEL_RWX"), we may have all 8 BATs used for mapping > kernel text. But the suspend/restore functions only save/restore > BATs 0 to 3, and clears BATs 4 to 7. > > Make suspend and restore functions respectively save and reload > the 8 BATs on CPUs having MMU_FTR_USE_HIGH_BATS feature. > > Reported-by: Andreas Schwab <sch...@linux-m68k.org> > Cc: sta...@vger.kernel.org > Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/6ecb78ef56e08d2119d337ae23cb951a640dc52d cheers