mirror of
https://github.com/rd-stuffs/msm-4.14.git
synced 2025-02-20 11:45:48 +08:00
091bc3a404
After writing the appropriate mask to the cop0 PageMask register, read the register back & check it matches what we want. If it doesn't then the MMU does not support the page size the kernel is configured for and we're better off bailing than continuing to do odd things with TLB exceptions. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Steven J. Hill <Steven.Hill@imgtec.com> Cc: Joshua Kinard <kumba@gentoo.org> Cc: Rafał Miłecki <zajec5@gmail.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10691/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>