linux-kernel - Re: [PATCH 6/10] lguest code: the little linux 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]

Message-Id: <200702091250.06482.ak@muc.de>
Date:	Fri, 9 Feb 2007 12:50:06 +0100
From:	Andi Kleen <ak@....de>
To:	virtualization@...ts.osdl.org
Cc:	Zachary Amsden <zach@...are.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Paul Mackerras <paulus@...ba.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/10] lguest code: the little linux hypervisor.


> Yes, it is a bit, umm, innovative.  If it is going to be kept, even if 
> just for devel logging, you should disable interrupts around it.  
> Changing segments is not a normal thing to do.

Actually that wouldn't be needed because interrupts are not allowed to do any 
user accesses. And contrary to the name it doesn't actually change
the segment registers, only state used by *_user.

-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/