linux-kernel - Re: [PATCH 00 of 10] x86: unify asm/pgtable.h

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]

Message-ID: <20080109013754.GF25945@bingen.suse.de>
Date:	Wed, 9 Jan 2008 02:37:55 +0100
From:	Andi Kleen <ak@...e.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andi Kleen <ak@...e.de>, Jeremy Fitzhardinge <jeremy@...p.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Glauber de Oliveira Costa <glommer@...il.com>,
	Jan Beulich <jbeulich@...ell.com>
Subject: Re: [PATCH 00 of 10] x86: unify asm/pgtable.h

On Wed, Jan 09, 2008 at 02:22:57AM +0100, Ingo Molnar wrote:
> 
> * Andi Kleen <ak@...e.de> wrote:
> 
> > On Wed, Jan 09, 2008 at 02:16:09AM +0100, Ingo Molnar wrote:
> > > 
> > > * Jeremy Fitzhardinge <jeremy@...p.org> wrote:
> > > 
> > > > This isn't correct, because it will set _PAGE_GLOBAL on 32-bit 
> > > > unconditionally.  It needs to be something like:
> > > 
> > > hm, why is that a problem?
> > 
> > Not so ancient 32bit CPUs didn't support global.
> 
> 'not so ancient' like: pre-PPro ones? But we mark the ptes PAGE_GLOBAL 

AMD K6 at least AFAIK -- that's not ancient. I still got one of those.

-Andi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/