linux-kernel - Re: [PATCH 5.4 044/158] compiler.h: fix barrier

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Message-ID: <CAKwvOdnrMdMjuJcRuPg6CgeGZds_td2DNrPNaReFuyg9NEMExQ@mail.gmail.com>
Date:   Mon, 23 Nov 2020 10:57:23 -0800
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arvind Sankar <nivedita@...m.mit.edu>,
        Randy Dunlap <rdunlap@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "# 3.4.x" <stable@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>,
        Palmer Dabbelt <palmerdabbelt@...gle.com>
Subject: Re: [PATCH 5.4 044/158] compiler.h: fix barrier_data() on clang

On Mon, Nov 23, 2020 at 10:50 AM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> On Mon, Nov 23, 2020 at 10:31:10AM -0800, Nick Desaulniers wrote:
> > Doesn't this depend on a v2 of
> > https://lore.kernel.org/lkml/fe040988-c076-8dec-8268-3fbaa8b39c0f@infradead.org/
> > ? Oh, looks like v1 got picked up:
> > https://lore.kernel.org/lkml/mhng-8c56f671-512a-45e7-9c94-fa39a80451da@palmerdabbelt-glaptop1/.
> > Won't this break RISCV VDSO?
>
> Oops, let me drop this, I did so in the past for 5.9.y and it looks like
> Sasha missed that and added the fixed patch to 5.4.y...

No worries, I plan to email backports directly to stable with the
dependencies sorted out. Probably after Thanksgiving. Thanks Greg!

-- 
Thanks,
~Nick Desaulniers