linux-kernel - Re: [RFC] [PATCH 10/16] x86

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Date:	Tue, 14 Nov 2006 00:01:56 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	Andi Kleen <ak@...e.de>
Cc:	vgoyal@...ibm.com,
	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Reloc Kernel List <fastboot@...ts.osdl.org>,
	ebiederm@...ssion.com, akpm@...l.org, hpa@...or.com,
	magnus.damm@...il.com, lwang@...hat.com, dzickus@...hat.com,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [RFC] [PATCH 10/16] x86_64: 64bit PIC ACPI wakeup

Hi!

> > - Killed lots of dead code
> > - Improve the cpu sanity checks to verify long mode
> >   is enabled when we wake up.
> > - Removed the need for modifying any existing kernel page table.
> > - Moved wakeup_level4_pgt into the wakeup routine so we can
> >   run the kernel above 4G.
> > - Increased the size of the wakeup routine to 8K.
> > - Renamed the variables to use the 64bit register names.
> > - Lots of misc cleanups to match trampoline.S
> > 
> > I don't have a configuration I can test this but it compiles cleanly
> > and it should work, the code is very similar to the SMP trampoline,
> > which I have tested.  At least now the comments about still running in
> > low memory are actually correct.
> > 
> > Vivek has tested this patch for suspend to memory and it works fine.
> 
> Suspend is unfortunately quite fragile.
> 
> pavel, rafael can you please test and review this patch? 

> (full patch is on l-k)

Based on comments, it looks like there'll be new version of patch,
anyway? Vivek, would you cc me?
								Pavel

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