linux-kernel - Re: [RFC 6/8] x86_64: Define the macros and tables for the basic UV infrastructure.

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Date:	Tue, 25 Mar 2008 22:03:38 -0500
From:	Jack Steiner <steiner@....com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>, mingo@...e.hu,
	tglx@...utronix.de, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC 6/8] x86_64: Define the macros and tables for the basic UV infrastructure.

On Tue, Mar 25, 2008 at 08:09:30PM -0400, Christoph Hellwig wrote:
> On Tue, Mar 25, 2008 at 11:11:11AM +0100, Andi Kleen wrote:
> > Not sure what physical mode is.
> > 
> > > +#ifdef __BIOS__
> > > +#define UV_ADDR(x)		((unsigned long *)(x))
> > > +#else
> > > +#define UV_ADDR(x)		((unsigned long *)__va(x))
> > > +#endif
> > 
> > But it it would be cleaner if your BIOS just supplied a suitable __va()
> > and then you remove these macros.
> 
> the bios should just have headers of it's own instead of placing this
> burden on kernel code.

See mail from earlier today. The UV_ADDR macro has been eliminated.


--- jack
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