linux-kernel - Re: [PATCH RFC v2] selftests/nolibc: don't embed initramfs into kernel image

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Message-ID: <ZQh44i/Kev91looW@1wt.eu>
Date:   Mon, 18 Sep 2023 18:20:50 +0200
From:   Willy Tarreau <w@....eu>
To:     Thomas Weißschuh <linux@...ssschuh.net>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        Shuah Khan <shuah@...nel.org>, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH RFC v2] selftests/nolibc: don't embed initramfs into
 kernel image

Hi Thomas,

On Sun, Sep 17, 2023 at 05:21:38PM +0200, Thomas Weißschuh wrote:
> When the initramfs is embedded into the kernel each rebuild of it will
> trigger a full kernel relink and all the expensive postprocessing steps.
> 
> Currently nolibc-test and therefore the initramfs are always rebuild,
> even without source changes, leading to lots of slow kernel relinks.
> 
> Instead of linking the initramfs into the kernel assemble it manually
> and pass it explicitly to qemu.
> This avoids all of the kernel relinks.
> 
> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>

OK, let's try it!

thanks,
Willy