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From: Marcelo Tosatti <mtosatti@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Gleb Natapov <gleb@redhat.com>, kvm <kvm@vger.kernel.org>,
	"Nadav Har'El" <nyh@math.technion.ac.il>,
	"Nakajima, Jun" <jun.nakajima@intel.com>
Subject: Re: [PATCH] KVM: nVMX: Fix switching of debug state
Date: Mon, 4 Mar 2013 21:37:40 -0300	[thread overview]
Message-ID: <20130305003740.GA19148@amt.cnet> (raw)
In-Reply-To: <51333C98.4050806@web.de>

On Sun, Mar 03, 2013 at 01:05:44PM +0100, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@siemens.com>
> 
> First of all, do not blindly overwrite GUEST_DR7 on L2 entry. The host
> may have guest debugging enabled. Then properly reset DR7 and DEBUG_CTL
> on L2->L1 switch as specified in the SDM.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>  arch/x86/kvm/vmx.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)

Applied, thanks.


      reply	other threads:[~2013-03-05  0:45 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-03 12:05 [PATCH] KVM: nVMX: Fix switching of debug state Jan Kiszka
2013-03-05  0:37 ` Marcelo Tosatti [this message]

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