[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <578d0b55-c51a-49d1-8f54-989215a3a4b8@intel.com>
Date: Wed, 20 Mar 2024 08:20:23 -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>, Babu Moger
<babu.moger@....com>, Maciej Wieczór-Retman
<maciej.wieczor-retman@...el.com>
CC: Fenghua Yu <fenghua.yu@...el.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 11/13] selftests/resctrl: Convert ctrlgrp & mongrp to
pointers
Hi Ilpo,
On 3/11/2024 6:52 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.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
> ---
> tools/testing/selftests/resctrl/resctrl.h | 4 ++--
> tools/testing/selftests/resctrl/resctrlfs.c | 8 ++++----
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
> index 52769b075233..54e5bce4c698 100644
> --- a/tools/testing/selftests/resctrl/resctrl.h
> +++ b/tools/testing/selftests/resctrl/resctrl.h
> @@ -89,8 +89,8 @@ struct resctrl_test {
> */
> struct resctrl_val_param {
> char *resctrl_val;
> - char ctrlgrp[64];
> - char mongrp[64];
> + const char *ctrlgrp;
> + const char *mongrp;
> char filename[64];
> unsigned long mask;
> int num_of_runs;
> diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c
> index 79cf1c593106..dbe0cc6d74fa 100644
> --- a/tools/testing/selftests/resctrl/resctrlfs.c
> +++ b/tools/testing/selftests/resctrl/resctrlfs.c
> @@ -469,7 +469,7 @@ static int create_grp(const char *grp_name, char *grp, const char *parent_grp)
> * length of grp_name == 0, it means, user wants to use root con_mon
> * grp, so do nothing
> */
Could you please confirm that the comments are still accurate?
> - if (strlen(grp_name) == 0)
> + if (!grp_name)
> return 0;
>
Reinette
Powered by blists - more mailing lists