From: "Michael S. Tsirkin" <mst@redhat.com>
To: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH RFC 1/3] vmx: allow ioeventfd for EPT violations
Date: Mon, 31 Aug 2015 17:57:05 +0300 [thread overview]
Message-ID: <20150831175300-mutt-send-email-mst@redhat.com> (raw)
In-Reply-To: <55E45541.5010206@linux.intel.com>
On Mon, Aug 31, 2015 at 09:23:13PM +0800, Xiao Guangrong wrote:
> I have another question, the eventfd memory is never read by guest and it's always
> a write MMIO VM-exit, why you build it on RO memslot? Why not just use normal MMIO page
> instead?
We do that at the moment, that's slower than PIO.
--
MST
next prev parent reply other threads:[~2015-08-31 14:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-30 9:12 [PATCH RFC 0/3] kvm add ioeventfd pf capability Michael S. Tsirkin
2015-08-30 9:12 ` [PATCH RFC 1/3] vmx: allow ioeventfd for EPT violations Michael S. Tsirkin
2015-08-31 2:53 ` Xiao Guangrong
2015-08-31 7:46 ` Michael S. Tsirkin
2015-08-31 8:32 ` Xiao Guangrong
2015-08-31 11:27 ` Michael S. Tsirkin
2015-08-31 13:23 ` Xiao Guangrong
2015-08-31 14:57 ` Michael S. Tsirkin [this message]
2015-09-01 3:37 ` Jason Wang
2015-09-01 4:36 ` Michael S. Tsirkin
2015-09-01 4:49 ` Jason Wang
2015-09-01 6:55 ` Michael S. Tsirkin
2015-08-30 9:12 ` [PATCH RFC 2/3] svm: allow ioeventfd for NPT page faults Michael S. Tsirkin
2015-08-30 9:12 ` [PATCH RFC 3/3] kvm: add KVM_CAP_IOEVENTFD_PF capability Michael S. Tsirkin
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