linux-kernel - Re: [PATCH] kvm/vmx: EPTP switching test

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: <20151116181838.GB17144@potion.brq.redhat.com>
Date:	Mon, 16 Nov 2015 19:18:38 +0100
From:	=?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= <rkrcmar@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
	Wanpeng Li <wanpeng.li@...ux.intel.com>,
	Andy Lutomirski <luto@...nel.org>,
	Xiao Guangrong <guangrong.xiao@...ux.intel.com>,
	Kai Huang <kai.huang@...ux.intel.com>,
	=?UTF-8?q?Mihai=20Don=C8=9Bu?= 
	<mdontu@...defender.com>, kvm@...r.kernel.org
Subject: Re: [PATCH] kvm/vmx: EPTP switching test

2015-11-16 19:59+0200, Michael S. Tsirkin:
> On Mon, Nov 16, 2015 at 06:51:06PM +0100, =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= wrote:
>> 2015-11-15 18:00+0200, Michael S. Tsirkin:
>> (And I think that eptp switching is expected to be used in conjuction
>>  with #VE, so it'd then make sense to implement a nop for it as well.)
> 
> No idea how would I even test it, so I'm not interested in #VE at this
> point.  If you are - go ahead and post a patch for that on top though,
> why not.

I thought that it's going to be simpler to provide functionality (that
utilizes eptp switching) to the guest through #VE, which probably isn't
true as I think more about it.  (Not interested in implementing it :])
--
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/