linux-kernel - Re: [PATCH v5 13/16] selftests/resctrl: Convert ctrlgrp & mongrp to pointers

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Date: Mon, 3 Jun 2024 09:42:08 +0300 (EEST)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Reinette Chatre <reinette.chatre@...el.com>
cc: linux-kselftest@...r.kernel.org, Shuah Khan <shuah@...nel.org>, 
    Babu Moger <babu.moger@....com>, 
    Maciej Wieczór-Retman <maciej.wieczor-retman@...el.com>, 
    LKML <linux-kernel@...r.kernel.org>, Fenghua Yu <fenghua.yu@...el.com>, 
    Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v5 13/16] selftests/resctrl: Convert ctrlgrp & mongrp to
 pointers

On Fri, 31 May 2024, Reinette Chatre wrote:
> On 5/31/24 6:11 AM, Ilpo Järvinen wrote:
> > The struct resctrl_val_param has control and monitor groups as char
> > arrays but they are not supposed to be mutated within resctrl_val().
> > 
> > Convert the ctrlgrp and mongrp char array within resctrl_val_param to
> > plain const char pointers and adjust the strlen() based checks to
> > check NULL instead.
> > 
> > Convert !grp_name check in create_grp() into internal sanity check by
> > returning error if the caller asked to create a group but doesn't
> > provide a name for the group. The existing code already abides this by
> > only calling create_grp() if mongrp is non-NULL so the error should
> > never be returned with the current selftests (ctrlgrp is never NULL).
> 
> This paragraph is no longer relevant and can be dropped.

Thanks for catching this. I'm absolutely sure I had this open one in 
my editor and removed it but it seems I did not, no idea what happened.

-- 
 i.