linux-kernel - Re: [PATCH v9 4/8] x86/resctrl: Split the rdt_domain and rdt_hw

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 for Android: free password hash cracker in your pocket

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

Message-ID: <967f9b61-41d6-4a4a-adc4-0b3c742bcddc@intel.com>
Date:   Mon, 30 Oct 2023 14:21:28 -0700
From:   Reinette Chatre <reinette.chatre@...el.com>
To:     Tony Luck <tony.luck@...el.com>, Fenghua Yu <fenghua.yu@...el.com>,
        "Peter Newman" <peternewman@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        "Shuah Khan" <skhan@...uxfoundation.org>, <x86@...nel.org>
CC:     Shaopeng Tan <tan.shaopeng@...itsu.com>,
        James Morse <james.morse@....com>,
        Jamie Iles <quic_jiles@...cinc.com>,
        Babu Moger <babu.moger@....com>,
        Randy Dunlap <rdunlap@...radead.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <patches@...ts.linux.dev>
Subject: Re: [PATCH v9 4/8] x86/resctrl: Split the rdt_domain and
 rdt_hw_domain structures

Hi Tony,

On 10/20/2023 2:30 PM, Tony Luck wrote:
> The same rdt_domain structure is used for both control and monitor
> functions. But this results in wasted memory as some of the fields are
> only used by control functions, while most are only used for monitor
> functions.
> 
> Split into separate rdt_ctrl_domain and rdt_mon_domain structures with
> just the fields required for control and monitoring respectively.

Sounds like a motivation for the cpumask to form part of the
common header?

Reinette