linux-kernel - Re: [PATCH v2 2/4] x86/resctrl: Add sparse

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] [day] [month] [year] [list]

Message-ID: <uzaij5sjnxv2oz5frdsh55xm5injcxuqcxqcuooz4e6cyr356w@5dy4kmfe7w22>
Date:   Fri, 29 Sep 2023 08:22:41 +0200
From:   Maciej Wieczór-Retman 
        <maciej.wieczor-retman@...el.com>
To:     Reinette Chatre <reinette.chatre@...el.com>
CC:     Fenghua Yu <fenghua.yu@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, <x86@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/4] x86/resctrl: Add sparse_masks file in info

On 2023-09-28 at 13:47:30 -0700, Reinette Chatre wrote:
>Hi Maciej,
>
>On 9/22/2023 1:48 AM, Maciej Wieczor-Retman wrote:
>> From: Fenghua Yu <fenghua.yu@...el.com>
>> 
>> Add the interface in resctrl FS to show if sparse cache allocations
>
>Should this maybe be "cache allocation"?

That does sound a bit better. I'll change it, thanks.

>> bit masks are supported on the platform. Reading the file returns
>> either a "1" if non-contiguous 1s are supported and "0" otherwise.
>> The file path is /sys/fs/resctrl/info/{resource}/sparse_masks, where
>> {resource} can be either "L2" or "L3".
>> 
>
>Reinette

-- 
Kind regards
Maciej Wieczór-Retman