linux-kernel - Re: [PATCH v2] selftests/livepatch: adopt to newer sysctl error format

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Message-ID: <alpine.LSU.2.21.2007141557420.5393@pobox.suse.cz>
Date:   Tue, 14 Jul 2020 15:57:57 +0200 (CEST)
From:   Miroslav Benes <mbenes@...e.cz>
To:     Petr Mladek <pmladek@...e.com>
cc:     Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Shuah Khan <shuah@...nel.org>, live-patching@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] selftests/livepatch: adopt to newer sysctl error
 format

On Tue, 14 Jul 2020, Petr Mladek wrote:

> With procfs v3.3.16, the sysctl command doesn't print the set key and
> value on error.  This change breaks livepatch selftest test-ftrace.sh,
> that tests the interaction of sysctl ftrace_enabled:
> 
> Make it work with all sysctl versions using '-q' option.
> 
> Explicitly print the final status on success so that it can be verified
> in the log. The error message is enough on failure.
> 
> Reported-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
> Signed-off-by: Petr Mladek <pmladek@...e.com>

Acked-by: Miroslav Benes <mbenes@...e.cz>

M