linux-kernel - Re: [PATCH] x86: fix pte_flags() to only return flags, fix lguest.

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Message-Id: <20080722143800.d392994f.sfr@canb.auug.org.au>
Date:	Tue, 22 Jul 2008 14:38:00 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Ingo Molnar <mingo@...e.hu>, Jeremy Fitzhardinge <jeremy@...p.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: fix pte_flags() to only return flags, fix lguest.

Hi Rusty,

On Tue, 22 Jul 2008 14:31:58 +1000 Rusty Russell <rusty@...tcorp.com.au> wrote:
>
> +++ b/include/asm-x86/page.h	Tue Jul 22 14:09:33 2008 +1000
> @@ -144,6 +144,18 @@ static inline pteval_t native_pte_val(pt
>  	return pte.pte;
>  }
>  
> +/* This belongs in pgtable.h, but our includes are too much of a mess. */
> +#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
> +#define PTE_FLAGS	_AC(0x8000000000000FFF, ULL)

Just a small point:  You don't actually need the _AC() because this is
already in a #ifndef __ASSEMBLY__ section of the file.  But better safe
than sorry, I guess.  :-)

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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