linux-kernel - Re: [PATCH v10 01/10] x86/resctrl: Add multiple tasks to the resctrl group at once

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <dc1281bd-68ce-18f8-e4fe-d2d07535f047@intel.com>
Date:   Wed, 27 Sep 2023 11:30:57 -0700
From:   Reinette Chatre <reinette.chatre@...el.com>
To:     Babu Moger <babu.moger@....com>, <corbet@....net>,
        <tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>
CC:     <fenghua.yu@...el.com>, <dave.hansen@...ux.intel.com>,
        <x86@...nel.org>, <hpa@...or.com>, <paulmck@...nel.org>,
        <akpm@...ux-foundation.org>, <quic_neeraju@...cinc.com>,
        <rdunlap@...radead.org>, <damien.lemoal@...nsource.wdc.com>,
        <songmuchun@...edance.com>, <peterz@...radead.org>,
        <jpoimboe@...nel.org>, <pbonzini@...hat.com>,
        <chang.seok.bae@...el.com>, <pawan.kumar.gupta@...ux.intel.com>,
        <jmattson@...gle.com>, <daniel.sneddon@...ux.intel.com>,
        <sandipan.das@....com>, <tony.luck@...el.com>,
        <james.morse@....com>, <linux-doc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <bagasdotme@...il.com>,
        <eranian@...gle.com>, <christophe.leroy@...roup.eu>,
        <jarkko@...nel.org>, <adrian.hunter@...el.com>,
        <quic_jiles@...cinc.com>, <peternewman@...gle.com>
Subject: Re: [PATCH v10 01/10] x86/resctrl: Add multiple tasks to the resctrl
 group at once

Hi Babu,

On 9/15/2023 3:42 PM, Babu Moger wrote:
> The resctrl task assignment for monitor or control group needs to be
> done one at a time. For example:
> 
>   $mount -t resctrl resctrl /sys/fs/resctrl/
>   $mkdir /sys/fs/resctrl/ctrl_grp1
>   $echo 123 > /sys/fs/resctrl/ctrl_grp1/tasks
>   $echo 456 > /sys/fs/resctrl/ctrl_grp1/tasks
>   $echo 789 > /sys/fs/resctrl/ctrl_grp1/tasks
> 
> This is not user-friendly when dealing with hundreds of tasks.
> 
> Support multiple task assignment in one command with tasks ids separated
> by commas. For example:
>   $echo 123,456,789 > /sys/fs/resctrl/ctrl_grp1/tasks
> 
> Reviewed-by: Tan Shaopeng <tan.shaopeng@...fujitsu.com>
> Tested-by: Tan Shaopeng <tan.shaopeng@...fujitsu.com>
> Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>
> Reviewed-by: Fenghua Yu <fenghua.yu@...el.com>
> Signed-off-by: Babu Moger <babu.moger@....com>

x86 area aims to have a uniform view of commit tags.
Please review the "Ordering of commit tags" section within
Documentation/process/maintainer-tip.rst and apply that
custom to this whole series.

Reinette