[RFC 03/13] xen: use new for_each_online_cpu_mask_nr function

[Mike Travis]

  * Change the send_IPI_mask function in xen to not require a local
    cpumask_t variable.

Applies to linux-2.6.tip/master.

Signed-off-by: Mike Travis <travis@xxxxxxx>
---
 arch/x86/xen/smp.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

--- linux-2.6.tip.orig/arch/x86/xen/smp.c
+++ linux-2.6.tip/arch/x86/xen/smp.c
@@ -358,15 +358,11 @@ static void xen_smp_send_reschedule(int 
 	xen_send_IPI_one(cpu, XEN_RESCHEDULE_VECTOR);
 }
 
-static void xen_send_IPI_mask(const cpumask_t *inmask, enum ipi_vector vector)
+static void xen_send_IPI_mask(const cpumask_t *mask, enum ipi_vector vector)
 {
 	unsigned cpu;
-	cpumask_t mask;
 
-	mask = *inmask;
-	cpus_and(mask, mask, cpu_online_map);
-
-	for_each_cpu_mask_nr(cpu, mask)
+	for_each_online_cpu_mask_nr(cpu, *mask)
 		xen_send_IPI_one(cpu, vector);
 }
 

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