linux-kernel - Re: [PATCH v2] x86: fix early boot crash on gcc-10

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Message-ID: <CAKwvOdnpZuNG66gR0kqeG3v2x3rQSV+bZU8NK+vRcQ9FS9pNbw@mail.gmail.com>
Date:   Fri, 17 Apr 2020 12:53:22 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Jakub Jelinek <jakub@...hat.com>
Cc:     Borislav Petkov <bp@...en8.de>,
        Sergei Trofimovich <slyfox@...too.org>,
        Michael Matz <matz@...e.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH v2] x86: fix early boot crash on gcc-10

On Fri, Apr 17, 2020 at 12:49 PM Nick Desaulniers
<ndesaulniers@...gle.com> wrote:
>
> Ah seems we do have __attribute__((no_selector))

Sigh, can't type today.  __attribute__((no_stack_protector)).  I'll
send a patch along for that.

> (https://reviews.llvm.org/D46300,
> https://releases.llvm.org/7.0.0/tools/clang/docs/AttributeReference.html#no-stack-protector-clang-no-stack-protector-clang-no-stack-protector)
> which differs from GCC attribute name.
-- 
Thanks,
~Nick Desaulniers