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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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/

Content of type "application/pgp-signature" skipped