linux-kernel - Re: [PATCH v7 14/17] arm64: vdso: disable LTO

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Message-ID: <CABCJKueSjSdpztOsDExCaLyQ+Pip+r6bY=Y1hR=VTOODmoSZMQ@mail.gmail.com>
Date:   Mon, 30 Nov 2020 15:44:32 -0800
From:   Sami Tolvanen <samitolvanen@...gle.com>
To:     Will Deacon <will@...nel.org>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        linux-arch <linux-arch@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, linux-pci@...r.kernel.org
Subject: Re: [PATCH v7 14/17] arm64: vdso: disable LTO

On Mon, Nov 30, 2020 at 3:52 AM Will Deacon <will@...nel.org> wrote:
>
> On Wed, Nov 18, 2020 at 02:07:28PM -0800, Sami Tolvanen wrote:
> > Disable LTO for the vDSO by filtering out CC_FLAGS_LTO, as there's no
> > point in using link-time optimization for the small about of C code.
>
> "about" => "amount" ?

Oops, I'll fix that in v8. Thanks!

Sami