arm64: process: Fix context switching MTE store-only tag check

SCTLR_EL1.TCSO0 is set when user opt-in for MTE store-only tag check
mode. However, it is not part of SCTLR_USER_MASK which imply that on
context switch we never clear SCTLR_EL1.TCSO0, so we are leaking that
setting into another task.

Fix that by including SCTLR_EL1_TCSO0_MASK into SCTLR_USER_MASK

Fixes: 4d51ff5bba00 ("arm64/kernel: Support store-only mte tag check")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Yeoreum Yun <yeoreum.yun@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>

0 files changed, 0 insertions, 0 deletions