linux-kernel - Re: [PATCH v4 03/19] selftests/resctrl: Unmount resctrl FS if child fails to run benchmark

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Message-ID: <b4fe2ca1-aba7-cc0b-b8a8-751181e11ee8@intel.com>
Date:   Thu, 13 Jul 2023 15:51:11 -0700
From:   Reinette Chatre <reinette.chatre@...el.com>
To:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        <linux-kselftest@...r.kernel.org>, Shuah Khan <shuah@...nel.org>,
        "Shaopeng Tan" <tan.shaopeng@...fujitsu.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        "Babu Moger" <babu.moger@....com>,
        Sai Praneeth Prakhya <sai.praneeth.prakhya@...el.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 03/19] selftests/resctrl: Unmount resctrl FS if child
 fails to run benchmark

Hi Ilpo,

On 7/13/2023 6:19 AM, Ilpo Järvinen wrote:
> A child calls PARENT_EXIT() when it fails to run a benchmark to kill
> the parent process. PARENT_EXIT() lacks unmount for the resctrl FS and
> the parent won't be there to unmount it either after it gets killed.
> 
> Add the resctrl FS unmount also to PARENT_EXIT().
> 
> Fixes: 591a6e8588fc ("selftests/resctrl: Add basic resctrl file system operations and data")
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>

Thank you.

Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>

Reinette