linux-kernel - Re: [PATCH 05/12] kvm/svm: copy only necessary parts of the control area on vmrun/vmexit

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:	Wed, 29 Jul 2009 15:47:14 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	Alexander Graf <agraf@...e.de>
CC:	Avi Kivity <avi@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/12] kvm/svm: copy only necessary parts of the
 control area on vmrun/vmexit

On Wed, Jul 29, 2009 at 03:30:01PM +0200, Alexander Graf wrote:
> Joerg Roedel wrote:
> > Signed-off-by: Joerg Roedel <joerg.roedel@....com>
> >   
> 
> What's the reason behind this?
> 
> Acked-by: Alexander Graf <agraf@...e.de>

Reason is to not copy the reserved fields of the control area. These
fields sum up to size of 899 bytes which are unnecessarily copied.

	Joerg


--
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/