On Mon, Jun 18, 2018 at 01:03:03PM +0100, Mark Rutland wrote: > We can zero GPRs x0 - x29 upon entry from EL0 to make it harder for > userspace to control values consumed by speculative gadgets. > > We don't blat x30, since this is stashed much later, and we'll blat it > before invoking C code. > > Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will.deacon@xxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
