linux-kernel - Re: [PATCH] kbuild: mkcompile_h: Include $LD version in /proc/version

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Date:   Fri, 3 Apr 2020 21:02:41 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kbuild@...r.kernel.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kbuild: mkcompile_h: Include $LD version in /proc/version

On Thu, Apr 02, 2020 at 01:18:37AM -0700, Kees Cook wrote:
> When doing Clang builds of the kernel, it is possible to link with
> either ld.bfd (binutils) or ld.lld (LLVM), but it is not possible to
> discover this from a running kernel. Add the "$LD -v" output to
> /proc/version.
> 
> Signed-off-by: Kees Cook <keescook@...omium.org>

With this patch + Masahiro's fold in:

Reviewed-by: Nathan Chancellor <natechancellor@...il.com>
Tested-by: Nathan Chancellor <natechancellor@...il.com>