linux-kernel - Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2: hang in atomic copy)

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Message-ID: <20070426124102.GA8030@ucw.cz>
Date:	Thu, 26 Apr 2007 12:41:03 +0000
From:	Pavel Machek <pavel@....cz>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Johannes Berg <johannes@...solutions.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Con Kolivas <kernel@...ivas.org>,
	suspend2-devel@...ts.suspend2.net,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2: hang in atomic copy)

Hi!

> > > The interface isn't even 64/32-bit compatible...
> > 
> > It's not .  And it's one of the worst interface I've seen lately. Did 
> > anyone actually review this crap before it went in?  I completely 
> > agree with Linus that these kind of boundaries that lead to horribly 
> > complex ioctl interface are totally wrong.
> 
> it's a bit hard to see the point of it anyway: the resume binary (much 
> of the focus of the ioctls) fundamentally lives as an 'initrd binary' - 
> and most of the stuff that wants to execute in an initrd is 
> fundamentally tied to the kernel anyway.

Typically... yes, it needs to be in initrd.

And yes, klibc would help here.

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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