linux-kernel - Re: [RFC PATCH 5/8] sched: introduce common topology level init function

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: <20131220140451.GV16438@laptop.programming.kicks-ass.net>
Date:	Fri, 20 Dec 2013 15:04:51 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	dietmar.eggemann@....com
Cc:	mingo@...hat.com, vincent.guittot@...aro.org,
	morten.rasmussen@....com, chris.redpath@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 5/8] sched: introduce common topology level init
 function

> +/*
> + * SD_flags allowed in topology descriptions.
> + *
> + * SD_SHARE_CPUPOWER      - describes SMT topologies
> + * SD_SHARE_PKG_RESOURCES - describes shared caches
> + * SD_NUMA                - describes NUMA topologies
> + *
> + * Odd one out:
> + * SD_ASYM_PACKING        - describes SMT quirks
> + *
> + * SD_PREFER_SIBLING      - describes preference for sibling domain
> + */
> +#define TOPOLOGY_SD_FLAGS         \
> +	(SD_SHARE_CPUPOWER |      \
> +	 SD_SHARE_PKG_RESOURCES | \
> +	 SD_NUMA |                \
> +	 SD_ASYM_PACKING |        \
> +	 SD_PREFER_SIBLING)

See SD_PREFER_SIBLING is behavioural, the exact kinda thing we want to
keep out of this mask,
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/