From: Avi Kivity <avi@redhat.com>
To: Sheng Yang <sheng@linux.intel.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org, Alex Williamson <alex.williamson@redhat.com>
Subject: Re: [PATCH 2/2][RFC] KVM: Emulate MSI-X table and PBA in kernel
Date: Thu, 30 Dec 2010 11:28:20 +0200 [thread overview]
Message-ID: <4D1C50B4.4020907@redhat.com> (raw)
In-Reply-To: <201012301532.42341.sheng@linux.intel.com>
On 12/30/2010 09:32 AM, Sheng Yang wrote:
> >
> > I don't think it's going to work: we are not
> > in the context of the right process. Further
> > I think we should keep the option of
> > reading the PBA status from the device or host kernel open.
> > And generally having an interface
> > for functionality we don't implement is not a good idea:
> > you don't know whether you really can support the interface you promised.
>
> Well, I don't know if we want to read PBA from device directly. To me it's not a
> good idea because the real device has nothing to do with the one we show to the
> guest.
Right. vPBA.bit = pPBA.bit |
recorded_pending_bit_from_lazy_masked_interrupt.
> At least direct accessing the mask bits of real device would be very
> dangerous. Avi?
Agree.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-12-30 9:28 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-22 8:44 [PATCH 0/2 v6] MSI-X mask bit support for KVM Sheng Yang
2010-12-22 8:44 ` [PATCH 1/2] KVM: Move struct kvm_io_device to kvm_host.h Sheng Yang
2010-12-22 8:44 ` [PATCH 2/2][RFC] KVM: Emulate MSI-X table and PBA in kernel Sheng Yang
2010-12-28 12:26 ` Avi Kivity
2010-12-29 7:18 ` Sheng Yang
2010-12-29 8:31 ` Michael S. Tsirkin
2010-12-29 8:55 ` Sheng Yang
2010-12-29 9:28 ` Michael S. Tsirkin
2010-12-30 7:32 ` Sheng Yang
2010-12-30 7:47 ` Michael S. Tsirkin
2010-12-30 7:55 ` Sheng Yang
2010-12-30 8:15 ` Michael S. Tsirkin
2010-12-30 8:24 ` Sheng Yang
2010-12-30 8:52 ` Michael S. Tsirkin
2010-12-30 9:13 ` Sheng Yang
2010-12-30 9:30 ` Avi Kivity
2010-12-30 10:32 ` Michael S. Tsirkin
2010-12-30 10:37 ` Avi Kivity
2010-12-30 11:07 ` Michael S. Tsirkin
2010-12-30 11:27 ` Avi Kivity
2010-12-30 12:17 ` Michael S. Tsirkin
2010-12-31 3:05 ` Sheng Yang
2011-01-02 9:26 ` Michael S. Tsirkin
2011-01-02 10:26 ` Avi Kivity
2011-01-02 10:39 ` Michael S. Tsirkin
2011-01-02 10:58 ` Avi Kivity
2011-01-02 11:51 ` Michael S. Tsirkin
2011-01-02 13:34 ` Avi Kivity
2011-01-02 13:57 ` Michael S. Tsirkin
2010-12-30 9:28 ` Avi Kivity [this message]
2010-12-30 10:03 ` Michael S. Tsirkin
2010-12-28 4:05 ` [PATCH 0/2 v6] MSI-X mask bit support for KVM Sheng Yang
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