From: Avi Kivity <avi@redhat.com>
To: Marek Olszewski <mareko@csail.mit.edu>
Cc: kvm-devel <kvm@vger.kernel.org>
Subject: Re: KVM Page Fault Question
Date: Thu, 22 Apr 2010 09:52:49 +0300 [thread overview]
Message-ID: <4BCFF241.4080206@redhat.com> (raw)
In-Reply-To: <4BCFDE1C.7080209@csail.mit.edu>
On 04/22/2010 08:26 AM, Marek Olszewski wrote:
> Under VMX without EPT, I do not seeing any VM Exits due to task
> switches. Is there a way to enable these? I'm looking to intercept
> the guest whenever it does a iret.
See EXIT_REASON_TASK_SWITCH. However, that won't fire on any iret, only
irets that generate task switches. You can ask for exits on irets by
setting CPU_BASED_VIRTUAL_NMI_PENDING and GUEST_INTR_STATE_NMI, and
looking for EXIT_REASON_NMI_WINDOW.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-04-22 6:52 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-10 4:57 Shadow page table questions Marek Olszewski
2010-03-10 9:47 ` Avi Kivity
2010-03-11 0:06 ` Marek Olszewski
2010-03-11 6:39 ` Avi Kivity
2010-03-11 16:14 ` Marek Olszewski
2010-03-13 8:51 ` Avi Kivity
2010-03-18 23:50 ` KVM Page Fault Question Marek Olszewski
2010-03-19 8:39 ` Avi Kivity
2010-04-02 4:41 ` Marek Olszewski
2010-04-02 6:39 ` Avi Kivity
[not found] ` <4BB614BC.9080608@csail.mit.edu>
2010-04-04 16:59 ` Avi Kivity
2010-04-22 5:26 ` Marek Olszewski
2010-04-22 6:52 ` Avi Kivity [this message]
[not found] ` <4BD0DFBE.1090103@csail.mit.edu>
2010-04-26 5:42 ` Marek Olszewski
2010-05-20 2:24 ` Shadow MMU state preserved across kvm_mmu_zap_all? Marek Olszewski
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