linux-kernel - Re: Use CPUID to communicate with the hypervisor.

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:	Mon, 29 Sep 2008 11:08:10 +0200
From:	Bernd Eckenfels <ecki@...a.inka.de>
To:	linux-kernel@...r.kernel.org
Subject: Re: Use CPUID to communicate with the hypervisor.

In article <48E085B3.1080507@...hat.com> you wrote:
> In theory it can, but it would be a bad idea.  cpuid is best used to 
> communicate cpu features; ACPI and DMI are (mostly) system features.

Besides that, nobody stops a Hypervisor to offer valid and usefull DMI and
ACPI tables in the first place. I dont see a need to tunnel those through
CPUID.

Gruss
Bernd
--
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/