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

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Message-ID: <20201130115222.GC24563@willie-the-truck>
Date:   Mon, 30 Nov 2020 11:52:22 +0000
From:   Will Deacon <will@...nel.org>
To:     Sami Tolvanen <samitolvanen@...gle.com>
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@...glegroups.com,
        kernel-hardening@...ts.openwall.com, linux-arch@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v7 14/17] arm64: vdso: disable LTO

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" ?

> 
> Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>
> Reviewed-by: Kees Cook <keescook@...omium.org>
> ---
>  arch/arm64/kernel/vdso/Makefile | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

With the typo fixed:

Acked-by: Will Deacon <will@...nel.org>

Will