On Wed, Dec 11, 2019 at 03:42:04PM +0000, Mark Brown wrote: > From: Dave Martin <Dave.Martin@xxxxxxx> > > Since normal execution of any non-branch instruction resets the > PSTATE BTYPE field to 0, so do the same thing when emulating a > trapped instruction. > > Branches don't trap directly, so we should never need to assign a > non-zero value to BTYPE here. > > Signed-off-by: Dave Martin <Dave.Martin@xxxxxxx> > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> > --- > arch/arm64/kernel/traps.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c > index bf79d8024fbe..9fc05ae500e6 100644 > --- a/arch/arm64/kernel/traps.c > +++ b/arch/arm64/kernel/traps.c > @@ -332,6 +332,8 @@ void arm64_skip_faulting_instruction(struct pt_regs *regs, unsigned long size) > > if (regs->pstate & PSR_MODE32_BIT) Same comment as on a previous patch, compat_user_mode() could be used. Other than this: Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>
