linux-kernel - Re: [PATCH] TIF_NOTSC and SECCOMP prctl

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Message-ID: <20060726080739.GA10574@elte.hu>
Date:	Wed, 26 Jul 2006 10:07:39 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	andrea@...share.com
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Chuck Ebbert <76306.1226@...puserve.com>,
	"bruce@...rew.cmu.edu" <bruce@...rew.cmu.edu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Arjan van de Ven <arjan@...radead.org>,
	Adrian Bunk <bunk@...sta.de>,
	Lee Revell <rlrevell@...-job.com>,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: [PATCH] TIF_NOTSC and SECCOMP prctl


* andrea@...share.com <andrea@...share.com> wrote:

> Here a repost of the last seccomp patch against current mainline 
> including the preempt fix. This changes the seccomp API from 
> /proc/<pid>/seccomp to a prctl (this will produce a smaller kernel) 
> and it adds a TIF_NOTSC that seccomp sets. Only the current task can 
> call disable_TSC (obviously because it hasn't a task_t param). This 
> includes Chuck's patch to give zero runtime cost to the notsc feature.

please send a patch-queue that is properly split-up: the bugfix, the API 
change and the TIF_NOTSC improvement.

	Ingo
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