WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 		  
Home Products Support Community News
 
   
 

xen-devel

[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

Re: [Xen-devel] [RFC][PATCH 07/10] xen/hybrid: Add PV timer support

from [Jeremy Fitzhardinge] [Permanent Link][Original]
To: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [RFC][PATCH 07/10] xen/hybrid: Add PV timer support
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Wed, 16 Sep 2009 13:25:30 -0700
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Eddie Dong <eddie.dong@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>
Delivery-date: Wed, 16 Sep 2009 13:25:53 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <1253090551-7969-8-git-send-email-sheng@xxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <1253090551-7969-1-git-send-email-sheng@xxxxxxxxxxxxxxx> <1253090551-7969-8-git-send-email-sheng@xxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Lightning/1.0pre Thunderbird/3.0b3 
On 09/16/09 01:42, Sheng Yang wrote:
> If we have event channel, we can use VIRQ_TIMER to deliver timer interrupt,
> otherwise we would reuse IRQ0.
>   

What's the purpose of this?  Why can we get a timer virq via event
channel as usual?  I'm very dubious about having any platform
interrupts/apic interaction in this code.

    J

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
[More with this subject...]
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  Re: [Xen-devel] [RFC][PATCH 03/10] xen/hybrid: Xen Hybrid Extension initialization, Jeremy Fitzhardinge
Next by Date:  Re: [Xen-devel] [RFC][PATCH 09/10] xen/hybrid: Make event channel work with QEmu emulated devices, Jeremy Fitzhardinge
Previous by Thread:  [Xen-devel] [RFC][PATCH 07/10] xen/hybrid: Add PV timer support, Sheng Yang
Next by Thread:  Re: [Xen-devel] [RFC][PATCH 07/10] xen/hybrid: Add PV timer support, Sheng Yang
Indexes:  [Date] [Thread] [Top] [All Lists]
 
   

Copyright , Citrix Systems Inc. All rights reserved. Legal and Privacy