Re: [PATCH 14/18] arm64: efi: restore x18 if it was corrupted

Sami Tolvanen
2019-10-21T22:40:16Z

On Sun, Oct 20, 2019 at 11:20 PM Ard Biesheuvel
<ard.biesheuvel@linaro.org> wrote:
> You'll have to elaborate a bit here and explain that this is
> sufficient, given that we run EFI runtime services with interrupts
> enabled.

I can add a note about this in v2. This is called with preemption
disabled and we have a separate interrupt shadow stack, so as far as I
can tell, this should be sufficient. Did you have concerns about this?

Sami