linux-kernel - Re: [PATCH] kbuild: lto: fix module versionings mismatch in incremental build

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Message-ID: <202106160942.A89674E54@keescook>
Date:   Wed, 16 Jun 2021 09:43:28 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Lecopzer Chen <lecopzer.chen@...iatek.com>
Cc:     clang-built-linux@...glegroups.com, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, masahiroy@...nel.org,
        michal.lkml@...kovi.net, nathan@...nel.org,
        ndesaulniers@...gle.com, samitolvanen@...gle.com,
        yj.chiang@...iatek.com
Subject: Re: [PATCH] kbuild: lto: fix module versionings mismatch in
 incremental build

On Wed, Jun 16, 2021 at 04:02:52PM +0800, Lecopzer Chen wrote:
> Yes, We can imitate how CLANG_VERSION was implemented in Kconfig.
> 
> Accroding to GNU make release page[1], I've only tested for 3.81,
> 4.2 and 4.3.
> 4.2 was released in 2016, I think it's fine for LTO lowest version.

Okay, sounds good. Are you able to build a patch for this?

Thanks for figuring it out!

-- 
Kees Cook