From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Avi Kivity <avi@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>, kvm <kvm@vger.kernel.org>,
Alex Williamson <alex.williamson@redhat.com>,
Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: Re: [PATCH] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices
Date: Tue, 10 Jan 2012 22:44:26 +0200 [thread overview]
Message-ID: <20120110204425.GK17105@redhat.com> (raw)
In-Reply-To: <4F0C944B.7040101@web.de>
On Tue, Jan 10, 2012 at 08:40:59PM +0100, Jan Kiszka wrote:
> On 2012-01-10 20:04, Michael S. Tsirkin wrote:
> >>> But IMO this
> >>> shows it is a more generic interface.
> >>
> >> I'm worried about adding something new that will soon become obsolete
> >> again. That's wasted effort IMHO unless we say today that there will be
> >> no in-kernel MSI-X support.
> >>
> >> Jan
> >
> > Yes. But as we are adding a new interface maybe it's better to add a
> > more generic one? I don't insist as I don't have a specific proposal,
> > just something to consider.
>
> I could imagine defining an extensible IRQ masking interface, e.g. with
> flags that select the type, but only implementing it for INTx for now.
>
> Jan
>
I guess if we pass in the IRQ# the type can be inferred and does not
need to be passed in.
--
MST
next prev parent reply other threads:[~2012-01-10 20:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-09 14:03 [PATCH] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices Jan Kiszka
2012-01-09 19:45 ` Alex Williamson
2012-01-09 21:25 ` Jan Kiszka
2012-01-09 22:05 ` Alex Williamson
2012-01-09 22:26 ` Jan Kiszka
2012-01-10 13:47 ` Jan Kiszka
2012-01-10 23:41 ` Alex Williamson
2012-01-11 9:47 ` Michael S. Tsirkin
2012-01-10 16:17 ` Michael S. Tsirkin
2012-01-10 17:29 ` Jan Kiszka
2012-01-10 18:10 ` Michael S. Tsirkin
2012-01-10 18:21 ` Jan Kiszka
2012-01-10 18:31 ` Michael S. Tsirkin
2012-01-10 18:43 ` Jan Kiszka
2012-01-10 19:04 ` Michael S. Tsirkin
2012-01-10 19:40 ` Jan Kiszka
2012-01-10 20:44 ` Michael S. Tsirkin [this message]
2012-01-10 21:18 ` Jan Kiszka
2012-01-10 21:36 ` Michael S. Tsirkin
2012-01-12 15:49 ` [PATCH v2] " Jan Kiszka
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