linux-kernel - Re: [linux-pm] [PATCH 0/8] Suspend block api (version 6)

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Date:	Thu, 20 May 2010 07:15:28 +0200
From:	Florian Mickler <florian@...kler.org>
To:	felipe.balbi@...ia.com
Cc:	ext James Bottomley <James.Bottomley@...e.de>,
	"me@...ipebalbi.com" <me@...ipebalbi.com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Alan Stern <stern@...land.harvard.edu>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"Theodore Ts'o" <tytso@....edu>,
	Geoff Smith <geoffx.smith@...el.com>,
	Brian Swetland <swetland@...gle.com>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Tejun Heo <tj@...nel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	Matthew Garrett <mjg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 6)

On Wed, 19 May 2010 09:59:34 +0300
Felipe Balbi <felipe.balbi@...ia.com> wrote:


> >The corollary is that real world systems have to operate in the face of
> >misbehaving hardware *and* software.
> 
> I still think the kernel shouldn't deal with broken applications and we 
> shouldn't try to fix them in kernel space. We can, of course, try to 
> find them and have all sorts of bells and whistles shouting 'process 
> %s is preventing CPU from sleeping for %llu nanoseconds' or something 
> like that.
> 

But with that, you still shift the burden of exchanging that app with
an feature-equivalent non-broken version to the user. 
which is not user friendly and not necessary if you have a "smart"
enough kernel.

Cheers,
Flo 
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