linux-kernel - Re: [PATCH v15-RFC 5/8] x86/resctrl: Add "NODE" as an option for resource scope

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]

Date: Mon, 12 Feb 2024 11:16:05 -0600
From: "Moger, Babu" <babu.moger@....com>
To: Tony Luck <tony.luck@...el.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>,
 Reinette Chatre <reinette.chatre@...el.com>,
 Peter Newman <peternewman@...gle.com>, Jonathan Corbet <corbet@....net>,
 Shuah Khan <skhan@...uxfoundation.org>, x86@...nel.org,
 Shaopeng Tan <tan.shaopeng@...itsu.com>, James Morse <james.morse@....com>,
 Jamie Iles <quic_jiles@...cinc.com>, Randy Dunlap <rdunlap@...radead.org>,
 Drew Fustini <dfustini@...libre.com>, linux-kernel@...r.kernel.org,
 linux-doc@...r.kernel.org, patches@...ts.linux.dev
Subject: Re: [PATCH v15-RFC 5/8] x86/resctrl: Add "NODE" as an option for
 resource scope

Hi Tony,

On 2/9/24 13:23, Tony Luck wrote:
> On Fri, Feb 09, 2024 at 09:29:03AM -0600, Moger, Babu wrote:
>> Hi Tony,
>>
>> This patch probably needs to be merged with with patch 7.
> 
> If it just added RESCTRL_NODE to the enum and the switch() I'd
> agree (as patch 7 is where RESCTRL_NODE first used). But this
> patch also adds the sanity checks on scope where it has to be
> a cache level.
> 
> Patch 7 is already on the big side (119 lines added to core.c).
> 
> If you really think this series needs to cut back the
> number of patches, I could move the sanity check pieces
> from here to patch 3 (where the enum is introduced) and
> just the RESCTRL_NODE bits to patch 7.

No. You dont have to cut back on number of patches. I think it is easy to
review if these changes are merged with patch 7.


-- 
Thanks
Babu Moger