linux-kernel - Re: [PATCH 5/5] selftests/nolibc: always keep test kernel configuration up to date

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <feb6f196-a6f0-4a42-9b04-6d0083629d40@t-8ch.de>
Date: Wed, 22 Jan 2025 20:00:28 +0100
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Willy Tarreau <w@....eu>
Cc: Shuah Khan <shuah@...nel.org>, linux-kselftest@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] selftests/nolibc: always keep test kernel
 configuration up to date

Hi Willy!

On 2025-01-22 19:52:06+0100, Willy Tarreau wrote:
> On Wed, Jan 22, 2025 at 07:41:48PM +0100, Thomas Weißschuh wrote:
> > @@ -173,7 +170,7 @@ test_arch() {
> >  			exit 1
> >  	esac
> >  	printf '%-15s' "$arch:"
> > -	swallow_output "${MAKE[@]}" CFLAGS_EXTRA="$CFLAGS_EXTRA" "$test_target" V=1
> > +	swallow_output "${MAKE[@]}" CFLAGS_EXTRA="$CFLAGS_EXTRA" defconfig "$test_target" V=1
> 
> Just a question, are you certain that dependencies between $test_target
> and defconfig are always properly handled ? I'm asking because "make -j"
> is something valid, and we wouldn't want defconfig to run in parallel
> with test_target.

"make -j" is not only valid but used by run-tests.sh always.
The sequencing is explicitly enforced in patch 4.

> For real sequencing (and making sure targets run in the
> correct order), I normally prefer to run them one at a time. Here you could
> simply prepend the defconfig line before the original one and get these
> guarantees (and also make them explicit). That's also less edit when
> copy-pasting from the terminal to the shell when trying to debug.

Sounds fine to me, too.
That would remove the need for patch 4, but I'd like to keep it anyways.


Thomas