linux-kernel - Re: [PATCH] tools/testing/selftests/livepatch: define max test-syscall processes

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Message-ID: <ZlmNX78SCFX2Kj3O@pathway.suse.cz>
Date: Fri, 31 May 2024 10:42:07 +0200
From: Petr Mladek <pmladek@...e.com>
To: Ryan Sullivan <rysulliv@...hat.com>
Cc: live-patching@...r.kernel.org, linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org, mpdesouza@...e.com,
	jpoimboe@...nel.org, jikos@...nel.org, mbenes@...e.cz,
	joe.lawrence@...hat.com, shuah@...nel.org
Subject: Re: [PATCH] tools/testing/selftests/livepatch: define max
 test-syscall processes

On Wed 2024-05-29 16:19:41, Ryan Sullivan wrote:
> Define a maximum allowable number of pids that can be livepatched in
> test-syscall.sh as with extremely large machines the output from a
> large number of processes overflows the dev/kmsg "expect" buffer in
> the "check_result" function and causes a false error.
> 
> Reported-by: CKI Project <cki-project@...hat.com>
> Signed-off-by: Ryan Sullivan <rysulliv@...hat.com>

Looks reasonable.

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr

PS: I am going to queue it for 6.11. I will add it into
    a pull request for 6.10-rcX if there will be another more
    critical fix which would need such a pull request.