linux-kernel - Re: [PATCH] bpf: Fix undeclared function 'barrier

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Message-ID: <CAHk-=wg8E68rT2X1fHjxxn0GQhmz7vSVOmmY4Kk1W0VEYjFjnA@mail.gmail.com>
Date:   Wed, 22 Feb 2023 10:05:40 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Dave Hansen <dave.hansen@...el.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        John Fastabend <john.fastabend@...il.com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        bpf <bpf@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Huacai Chen <chenhuacai@...ngson.cn>
Subject: Re: [PATCH] bpf: Fix undeclared function 'barrier_nospec' warning

On Wed, Feb 22, 2023 at 8:29 AM Alexei Starovoitov
<alexei.starovoitov@...il.com> wrote:
>
> Linus,
> Since the blast radius is big, may be apply the fix directly ?

Yup, done. Of the different patches I picked the same location you had
taken so that there shouldn't be any conflicts if that ends making it
to me later.

                  Linus