From: Olaf Dabrunz <Olaf.Dabrunz@gmx.net>
To: Avi Kivity <avi@redhat.com>
Cc: Olaf Dabrunz <Olaf.Dabrunz@gmx.net>,
Alexander Graf <agraf@suse.de>,
Stefan Assmann <sassmann@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 1/2] Route PC irqs to ISA bus instead of i8259 directly
Date: Mon, 10 Aug 2009 15:20:47 +0200 [thread overview]
Message-ID: <20090810132047.GC14714@santana.dyndns.org> (raw)
In-Reply-To: <4A7FEDF3.1060608@redhat.com>
On 10-Aug-09, Avi Kivity wrote:
> On 08/10/2009 12:45 PM, Stefan Assmann wrote:
>> Does qemu support multiple IO-APICs? I guess not so no need for boot
>> interrupts. (If yes then there would be the question how close you
>> really want to be to existing hardware.)
>
>
> Not at present. We've considered adding IOAPICs to reduce interrupt
> sharing, but MSI solves the problem much more neatly.
Yes, all modern operating systems that come to my mind support MSIs, so
as long as you do not want to run some old system, this is ok. I also
guess that you do not try to emulate one of the chipsets that has a
broken MSI implementation.
--
Olaf Dabrunz (Olaf.Dabrunz <at> gmx.net)
next prev parent reply other threads:[~2009-08-10 13:20 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-09 16:44 [Qemu-devel] [PATCH 0/2] Disentagle ISA IRQs Avi Kivity
2009-08-09 16:44 ` [Qemu-devel] [PATCH 1/2] Route PC irqs to ISA bus instead of i8259 directly Avi Kivity
2009-08-10 8:34 ` Gerd Hoffmann
2009-08-10 8:46 ` Avi Kivity
2009-08-10 9:04 ` Alexander Graf
2009-08-10 9:43 ` Avi Kivity
2009-08-10 9:45 ` Stefan Assmann
2009-08-10 9:52 ` Avi Kivity
2009-08-10 13:20 ` Olaf Dabrunz [this message]
2009-08-10 13:14 ` Olaf Dabrunz
2009-08-09 16:44 ` [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus Avi Kivity
2009-08-10 8:38 ` Gerd Hoffmann
2009-08-26 16:03 ` Gerd Hoffmann
2009-08-26 16:06 ` Avi Kivity
2009-08-26 16:30 ` Gerd Hoffmann
2009-08-26 19:09 ` Gleb Natapov
2009-08-27 7:40 ` Gerd Hoffmann
2009-08-27 7:57 ` Gleb Natapov
2009-08-27 8:18 ` Jamie Lokier
2009-08-27 8:24 ` Gleb Natapov
2009-08-27 8:55 ` Gerd Hoffmann
2009-08-27 10:35 ` Isaku Yamahata
2009-08-27 21:07 ` [Qemu-devel] " Bjørn Mork
2009-08-27 4:53 ` [Qemu-devel] " Avi Kivity
2009-08-27 7:35 ` Gerd Hoffmann
2009-08-27 7:57 ` Avi Kivity
2009-08-27 8:13 ` Gerd Hoffmann
2009-08-27 8:26 ` Avi Kivity
2009-08-28 2:20 ` Beth Kon
2009-08-29 17:47 ` Avi Kivity
2009-08-30 2:09 ` Beth Kon
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