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



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

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