linux-kernel - Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

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Message-Id: <201005272317.59481.rjw@sisk.pl>
Date:	Thu, 27 May 2010 23:17:59 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-pm@...ts.linux-foundation.org,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Arve@...p1.linux-foundation.org,
	Florian Mickler <florian@...kler.org>,
	Linux@...p1.linux-foundation.org, felipe.balbi@...ia.com,
	List <linux-omap@...r.kernel.org>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

On Thursday 27 May 2010, Alan Cox wrote:
> > > Heck, for all I care, simply SIGKILL the thing and report it once the
> > > user starts looking at his screen again.
> > 
> > Provide incentive for Joe Clicker to improve his app, instead of cope
> > with the shit he created.
> 
> That isn't helpful. But if you feel like that I suggest you run with your
> memory management protection disabled, it's really on there to deal with
> crap code and its giving the wrong incentives. Come to think of it
> you might want to remove your seatbelts and any safety catches or airbags
> - it only encourages carelessness.
> 
> The reality is you need a sane, generic, race free way to express your
> requirements (eg for hard RT) and ditto for constraining the expression
> (for 'crapplications')
> 
> Arguing that you don't need to do this isn't useful. Android has
> demonstrated a need to do this. RT has a need to do some of this.
> Virtualisation wants elements of this etc.
> 
> The question is how you do it right.

I violently agree, thanks Alan!

Rafael
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