linux-kernel - Re: [PATCH] x86,APIC: Detect lapic_is_integrated() once

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: <4A170713.402@zytor.com>
Date:	Fri, 22 May 2009 13:12:03 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Cyrill Gorcunov <gorcunov@...il.com>
CC:	Rakib Mullick <rakib.mullick@...il.com>,
	Ingo Molnar <mingo@...e.hu>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, Yinghai Lu <yhlu.kernel@...il.com>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>
Subject: Re: [PATCH] x86,APIC: Detect lapic_is_integrated() once - use on
 and on.

Cyrill Gorcunov wrote:
> 
> Hi Rakib,
> 
> actually this change could be dangerous. I don't
> remember if I saw mixed configuration at all but
> I would not be that sure that we will never met it.
> 
> Peter? Ingo? Yinghai? Maciej?
> 

That seems unlikely in the extreme.  To the best of my knowledge, only
486s ever used the external APICs.

	-hpa
--
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/