linux-kernel - RE: [PATCH] x86/resctrl: Refactor to make adding extra MBM events easy

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: <SJ1PR11MB60835DB5419267BCD736E183FCD22@SJ1PR11MB6083.namprd11.prod.outlook.com>
Date: Fri, 14 Mar 2025 20:45:55 +0000
From: "Luck, Tony" <tony.luck@...el.com>
To: Fenghua Yu <fenghuay@...dia.com>, "Chatre, Reinette"
	<reinette.chatre@...el.com>, "Wieczor-Retman, Maciej"
	<maciej.wieczor-retman@...el.com>, Peter Newman <peternewman@...gle.com>,
	James Morse <james.morse@....com>, Babu Moger <babu.moger@....com>, "Drew
 Fustini" <dfustini@...libre.com>, Dave Martin <Dave.Martin@....com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"patches@...ts.linux.dev" <patches@...ts.linux.dev>
Subject: RE: [PATCH] x86/resctrl: Refactor to make adding extra MBM events
 easy

> I wrote this to play with some experimental MBM-like events
> that may or may not ever see the light of day. I'm amused that
> this refactor reduced the number of lines of code by enough
> that the patch to support the new events basically just got
> back to parity with current code size.
>
> While the resulting code looks cleaner that the original, I'm
> not sure there is much motivation to apply this change at the
> moment. Just posting for casual reading and to archive it in
> case I do need it someday.
>
> Based on TIP x86/cache.

N.B. I must have messed up while porting from v6.14-rc6
to TIP x86/cache because my system just hung while
running resctrl tests :-(

-Tony