linux-kernel - Re: Linux 3.19-rc5

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Message-ID: <CA+55aFyokpjniYCLAM8sj_EVztfQh45wKfMSAkSxD75GgAaBSg@mail.gmail.com>
Date:	Fri, 6 Feb 2015 08:46:15 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Bruno Prémont <bonbons@...ux-vserver.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Hurley <peter@...leysoftware.com>,
	Davidlohr Bueso <dave@...olabs.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ilya Dryomov <ilya.dryomov@...tank.com>,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	Oleg Nesterov <oleg@...hat.com>
Subject: Re: Linux 3.19-rc5

On Fri, Feb 6, 2015 at 8:39 AM, Peter Zijlstra <peterz@...radead.org> wrote:
>
> I like the macro one though; I worry a wee bit about non-documented
> cases through. If someone is doing something way subtle we'll break it
> :/

Yeah, I agree. And I wonder how much we should even care. People who
do this thing by hand - rather than using the wait-event model - are
*likely* legacy stuff or just random drivers, or simply stuff that
isn't all that performance-sensitive.

So I dunno how worthwhile this all is.

                     Linus
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