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-ia64-devel

Re: [Xen-ia64-devel] [PATCH 0/3] p2m table exposure patch

To: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Subject: Re: [Xen-ia64-devel] [PATCH 0/3] p2m table exposure patch
From: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Date: Tue, 3 Oct 2006 19:29:01 +0900
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 03 Oct 2006 03:30:10 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <200610031159.58692.Tristan.Gingold@xxxxxxxx>
List-help: <mailto:xen-ia64-devel-request@lists.xensource.com?subject=help>
List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
List-post: <mailto:xen-ia64-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=unsubscribe>
References: <20061003094131.GA23165%yamahata@xxxxxxxxxxxxx> <200610031159.58692.Tristan.Gingold@xxxxxxxx>
Sender: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.4.2.1i
On Tue, Oct 03, 2006 at 11:59:58AM +0200, Tristan Gingold wrote:
> Le Mardi 03 Octobre 2006 11:41, Isaku Yamahata a écrit :
> > These patches are for p2m table expsure to domain.
> > With this patch, p2m conversion hypercall overhead is eliminated.
> >
> > Subject: [PATCH 1/3] p2m table expsosure xen side
> > Subject: [PATCH 2/3] p2m table expsosure linux side
> > Subject: [PATCH 3/3] p2m table exposure test module
> Hi,
> 
> Does the DTR optimization works with vcpu hot-plug ?
> I am not sure the TR is inserted when a vcpu is awaken.

Yes. the following part does.
Have you seen anything wrong?

diff -r 6e7b70b0d937 -r 8a8af531c68b 
linux-2.6-xen-sparse/arch/ia64/kernel/setup.c
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c     Tue Oct 03 14:48:06 
2006 +0900
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c     Tue Oct 03 17:25:43 
2006 +0900
@@ -955,6 +955,7 @@ cpu_init (void)
        /* Need to be moved into platform_cpu_init later */
        if (is_running_on_xen()) {
                extern void xen_smp_intr_init(void);
+               p2m_expose_dtr_init();
                xen_smp_intr_init();
        }
 #endif

-- 
yamahata

_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel

<Prev in Thread] Current Thread [Next in Thread>