From: Avi Kivity <avi@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>, kvm <kvm@vger.kernel.org>,
Alex Williamson <alex.williamson@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH v4] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices
Date: Wed, 07 Mar 2012 12:23:42 +0200 [thread overview]
Message-ID: <4F57372E.8010701@redhat.com> (raw)
In-Reply-To: <4F4CD47A.3080708@siemens.com>
On 02/28/2012 03:19 PM, Jan Kiszka wrote:
> PCI 2.3 allows to generically disable IRQ sources at device level. This
> enables us to share legacy IRQs of such devices with other host devices
> when passing them to a guest.
>
> The new IRQ sharing feature introduced here is optional, user space has
> to request it explicitly. Moreover, user space can inform us about its
> view of PCI_COMMAND_INTX_DISABLE so that we can avoid unmasking the
> interrupt and signaling it if the guest masked it via the virtualized
> PCI config space.
>
>
Applied, thanks.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2012-03-07 10:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-28 13:19 [PATCH v4] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices Jan Kiszka
2012-02-29 15:22 ` Alex Williamson
2012-02-29 15:38 ` Jan Kiszka
2012-02-29 16:27 ` Alex Williamson
2012-03-06 15:34 ` Avi Kivity
2012-03-06 15:41 ` Jan Kiszka
2012-03-06 15:53 ` Avi Kivity
2012-03-06 16:06 ` Michael S. Tsirkin
2012-03-07 10:23 ` Avi Kivity [this message]
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