Re: [RFC PATCH v5 0/2] sysret_rip update for the Intel FRED architecture

From: Ammar Faizi
Date: Wed Feb 15 2023 - 02:51:19 EST


On Wed, Feb 15, 2023 at 07:42:47AM +0000, Li, Xin3 wrote:
> Hi Faizi,
>
> Any update on this patch set?

Xin,

Before I send the next version, I need an answer for this one:
https://lore.kernel.org/lkml/Y9LfmQ%2Fr1%2FpEP+uv@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/

I don't think the redzone problem is handled correctly here. Using
"+r" (rsp) constraint doesn't solve the redzone problem.

HPA, Andrew, anybody?

--
Ammar Faizi