linux-kernel - Re: [PATCH 6/6] [RESEND] drm/amdgpu: work around llvm bug #42576

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20191002165137.15726-1-ndesaulniers@google.com>
Date:   Wed,  2 Oct 2019 09:51:37 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     arnd@...db.de
Cc:     David1.Zhou@....com, Hawking.Zhang@....com, airlied@...ux.ie,
        alexander.deucher@....com, amd-gfx@...ts.freedesktop.org,
        christian.koenig@....com, clang-built-linux@...glegroups.com,
        daniel@...ll.ch, dri-devel@...ts.freedesktop.org, le.ma@....com,
        linux-kernel@...r.kernel.org, ray.huang@....com
Subject: Re: [PATCH 6/6] [RESEND] drm/amdgpu: work around llvm bug #42576

> Apparently this bug is still present in both the released clang-9
> and the current development version of clang-10.
> I was hoping we would not need a workaround in clang-9+, but
> it seems that we do.

I think I'd rather:
1. mark AMDGPU BROKEN if CC_IS_CLANG. There are numerous other issues building
   a working driver here.
2. Fix the compiler bug.