linux-kernel - Re: [PATCH v2 1/4] selftests/livepatch: simplify test-klp-callbacks busy target tests

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] [day] [month] [year] [list]

Message-ID: <20200608102703.GA3728@linux-b0ei>
Date:   Mon, 8 Jun 2020 12:27:03 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Miroslav Benes <mbenes@...e.cz>
Cc:     Yannick Cote <ycote@...hat.com>, live-patching@...r.kernel.org,
        linux-kselftest@...r.kernel.org, joe.lawrence@...hat.com,
        linux-kernel@...r.kernel.org, kamalesh@...ux.vnet.ibm.com
Subject: Re: [PATCH v2 1/4] selftests/livepatch: simplify test-klp-callbacks
 busy target tests

On Fri 2020-06-05 15:05:55, Miroslav Benes wrote:
> On Wed, 3 Jun 2020, Yannick Cote wrote:
> 
> > From: Joe Lawrence <joe.lawrence@...hat.com>
> > 
> > The test-klp-callbacks script includes a few tests which rely on kernel
> > task timings that may not always execute as expected under system load.
> > These may generate out of sequence kernel log messages that result in
> > test failure.
> > 
> > Instead of using sleep timing windows to orchestrate these tests, add a
> > block_transition module parameter to communicate the test purpose and
> > utilize flush_queue() to serialize the test module's task output.
> > 
> > Suggested-by: Petr Mladek <pmladek@...e.com>
> > Signed-off-by: Joe Lawrence <joe.lawrence@...hat.com>
> 
> Acked-by: Miroslav Benes <mbenes@...e.cz>

JFYI, this patchset is committed in livepatching.git, branch
for-5.9/selftests-cleanup.

Best Regards,
Petr