Re: [patch V4 part 3 01/29] x86/traps: Mark fixup_bad_iret() noinstr

Andy Lutomirski
2020-05-09T00:39:14Z

On Tue, May 5, 2020 at 7:15 AM Thomas Gleixner <tglx@linutronix.de> wrote:
>
> This is called from deep entry ASM in a situation where instrumentation
> will cause more harm than providing useful information.
>

Acked-by: Andy Lutomirski <luto@kernel.org>

Maybe add to changelog:

Switch from memmove() to memcpy() because memmove() can't be called
from noinstr code.