Re: [PATCH 4/6] drm/amd/display: fix dcn21 Makefile for clang

From: Nick Desaulniers
Date: Wed Oct 02 2019 - 17:27:51 EST


On Wed, Oct 2, 2019 at 2:24 PM Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
>
> On Wed, Oct 2, 2019 at 5:19 PM Nick Desaulniers <ndesaulniers@xxxxxxxxxx> wrote:
> >
> > Alex, do you know why the AMDGPU driver uses a different stack
> > alignment (16B) than the rest of the x86 kernel? (see
> > arch/x86/Makefile which uses 8B stack alignment).
>
> Not sure. Maybe Harry can comment. I think it was added for the
> floating point stuff. Not sure if it's strictly required or not.

Can you find out for me please who knows more about this and setup a
chat with all of us? (I don't want to deride this patch's review
thread, so let's start a new thread once we know more) We're facing
some interesting runtime issues when built with Clang.

--
Thanks,
~Nick Desaulniers