From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: M A Young <m.a.young@durham.ac.uk>
Cc: xen-devel@lists.xensource.com
Subject: Re: xen 4 only seeing one keyboard and mouse
Date: Mon, 23 Aug 2010 10:24:24 -0400 [thread overview]
Message-ID: <20100823142424.GA5955@phenom.dumpdata.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1008212010490.25583@vega3.dur.ac.uk>
On Sat, Aug 21, 2010 at 10:00:37PM +0100, M A Young wrote:
> On Mon, 16 Aug 2010, Konrad Rzeszutek Wilk wrote:
>
> >The one thing that is odd is that in 4.0 we start with vector 0x28 while
> >in 3.4 it is with 0x20.
> >
> >It looks as if one vector is getten eaten. But that should not be such
> >an issue as the internal mapping of vector->irq is still proper...
>
> I can tell you why that happens.
> For 3.4 new vectors are allocated in the order 32,40,...,216 then
> 33,41,... etc. in assign_irq_vector from xen/arch/x86/irq.c
> For 4.0 new vectors are allocated in the order 40,48,...,216 then
> 33,41,... etc. in __assign_irq_vector from xen/arch/x86/irq.c
> So for 4.0 the allocation of vector 32 is never attempted, but as it
> is already reserved for IRQ_MOVE_CLEANUP_VECTOR this shouldn't
> matter.
Argh. So red-heering then.
prev parent reply other threads:[~2010-08-23 14:24 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-21 20:27 xen 4 only seeing one keyboard and mouse M A Young
2010-07-21 20:40 ` Pasi Kärkkäinen
2010-07-21 21:16 ` M A Young
2010-07-21 21:41 ` Pasi Kärkkäinen
2010-07-21 22:10 ` M A Young
2010-07-22 17:51 ` Konrad Rzeszutek Wilk
2010-07-22 18:54 ` M A Young
2010-07-23 14:27 ` Konrad Rzeszutek Wilk
2010-08-08 18:50 ` M A Young
2010-08-08 20:16 ` M A Young
2010-08-09 4:42 ` Konrad Rzeszutek Wilk
2010-08-16 15:46 ` Konrad Rzeszutek Wilk
2010-08-16 21:05 ` M A Young
2010-08-16 22:33 ` Konrad Rzeszutek Wilk
2010-08-18 23:25 ` Konrad Rzeszutek Wilk
2010-08-20 21:59 ` M A Young
2010-08-22 20:03 ` M A Young
2010-08-23 15:18 ` Konrad Rzeszutek Wilk
2010-08-23 19:34 ` M A Young
2010-08-23 20:37 ` M A Young
2010-08-24 17:10 ` Konrad Rzeszutek Wilk
2010-08-24 19:06 ` M A Young
2010-08-24 19:47 ` Keir Fraser
2010-08-24 20:31 ` M A Young
2010-08-24 21:16 ` Konrad Rzeszutek Wilk
2010-08-24 22:40 ` M A Young
2010-08-25 14:28 ` Konrad Rzeszutek Wilk
2010-08-25 21:32 ` M A Young
2010-08-26 14:04 ` Konrad Rzeszutek Wilk
2010-08-26 14:08 ` Keir Fraser
2010-08-26 20:53 ` M A Young
2010-08-26 22:15 ` M A Young
2010-08-26 22:24 ` M A Young
2010-08-27 7:34 ` Keir Fraser
2010-08-31 15:00 ` Konrad Rzeszutek Wilk
2010-09-03 18:50 ` M A Young
2010-09-08 15:44 ` Konrad Rzeszutek Wilk
2010-09-08 21:36 ` M A Young
2010-09-08 23:17 ` Konrad Rzeszutek Wilk
2010-09-17 22:49 ` M A Young
2010-09-20 14:51 ` Konrad Rzeszutek Wilk
2010-09-20 15:05 ` xen 4 only seeing one keyboard and mouse, fixed in xen 4.0.2-rc-pre Pasi Kärkkäinen
2010-08-21 21:00 ` xen 4 only seeing one keyboard and mouse M A Young
2010-08-23 14:24 ` Konrad Rzeszutek Wilk [this message]
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