linux-kernel - Re: [PATCH 9/20] x86_64: 64bit PIC SMP trampoline

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Message-ID: <20061118003847.GB9187@elf.ucw.cz>
Date:	Sat, 18 Nov 2006 01:38:47 +0100
From:	Pavel Machek <pavel@....cz>
To:	Vivek Goyal <vgoyal@...ibm.com>
Cc:	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Reloc Kernel List <fastboot@...ts.osdl.org>,
	ebiederm@...ssion.com, akpm@...l.org, ak@...e.de, hpa@...or.com,
	magnus.damm@...il.com, lwang@...hat.com, dzickus@...hat.com,
	rjw@...k.pl
Subject: Re: [PATCH 9/20] x86_64: 64bit PIC SMP trampoline

On Fri 2006-11-17 19:33:52, Vivek Goyal wrote:
> On Sat, Nov 18, 2006 at 01:27:10AM +0100, Pavel Machek wrote:
> > Hi!
> > 
> > > that long mode is supported.  Asking if long mode is implemented is
> > > down right silly but we have traditionally had some of these checks,
> > > and they can't hurt anything.  So when the totally ludicrous happens
> > > we just might handle it correctly.
> > 
> > Well, it is silly, and it is 50 lines of dense assembly. can we get
> > rid of it or get it shared with bootup version?
> > 
> 
> Hi Pavel,
> 
> Last patch in the series (patch 20)  already does that. That patch just
> puts all the assembly at one place which everybody shares. 
> 
> I know it is bad to introduce and delete your own code, but I kept that
> patch as last patch as all the other patches have got fair bit of testing
> in RHEL kernels and I wanted to make sure that if last patch breaks something
> problem can be isolated relatively easily.

Ahha, okay. ACK, then.
								Pavel

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