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

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Date:	Thu, 26 Apr 2007 09:27:20 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Chris Friesen <cfriesen@...tel.com>
cc:	Johannes Berg <johannes@...solutions.net>,
	Pavel Machek <pavel@....cz>, 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, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2:
 hang in atomic copy)

On Thu, 26 Apr 2007, Chris Friesen wrote:
> 
> I disagree...it's quite common.  I think its the standard way of doing things
> for ppc64, for instance.

It is, although most x86-64 installations seem to be 64-bit user space 
*if*you*install*from*scatch*.

Of course, at least some users (yeah, I've done it) started with a 32-bit 
CD they had lying around, and upgraded just the kernel. And I'm sure some 
distro out there just defaults to 32-bit binaries just because (in 
practice, you have to use a 32-bit firefox anyway if you want flash etc, 
so you need all the 32-bit libraries, so the argument might go that you 
might as well use 32-bit stuff for all the common stuff, and only 64-bit 
binaries when actually needed).

		Linus
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