From: Petr Vorel <pvorel@suse.cz>
To: Cyril Hrubis <chrubis@suse.cz>
Cc: Linux Test Project <ltp@lists.linux.it>
Subject: Re: [LTP] [PATCH] lib: Check minimal supported kernel version
Date: Fri, 4 Sep 2026 11:51:55 +0200 [thread overview]
Message-ID: <20260904095155.GB1206368@pevik> (raw)
In-Reply-To: <apqNcb103ZVuzpIf@yuki.lan>
> Hi!
> > LTP does not support kernels older than 4.4, but this requirement was
> > only documented in static text without automated runtime validation.
> > Define the minimal supported kernel version in tst_kvercmp.h so that
> > the documentation fetches it dynamically and the core library aborts
> > unsupported kernels with TCONF during test setup.
> Great idea, but I wouldn't tst_brk() on older kernels, I would just
> print a message that there may be failures becuase older kernels are not
> supported or tested.
Yes, exactly, tst_brk() is way too aggressive. tst_res(TINFO) is good enough
to give the information without deliberately break all the tests.
> LTP has been historically used for many different purposes, e.g. for
> testing BSD compatibility layout for running Linux binaries and I fear
> that hard stop on older kernel versions would break these usecases.
+1.
Kind regards,
Petr
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2026-09-04 9:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-04 8:07 [LTP] [PATCH] lib: Check minimal supported kernel version Andrea Cervesato
2026-09-04 9:20 ` [LTP] " linuxtestproject.agent
2026-09-04 9:20 ` [LTP] [PATCH] " Cyril Hrubis
2026-09-04 9:25 ` Andrea Cervesato via ltp
2026-09-04 9:51 ` Petr Vorel [this message]
2026-09-07 8:32 ` Kubaj, Piotr
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