[PATCH linux v3 8/9] xen/evtchn: use xen_vcpu_id mapping

From: Vitaly Kuznetsov
Date: Tue Jul 26 2016 - 08:31:35 EST


Use the newly introduced xen_vcpu_id mapping to get Xen's idea of vCPU id
for CPU0.

Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
Changes since v1:
- Use xen_vcpu_nr() helper [David Vrabel]
---
drivers/xen/evtchn.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index f4edd6df..7c3113e 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -55,6 +55,7 @@
#include <xen/xen.h>
#include <xen/events.h>
#include <xen/evtchn.h>
+#include <xen/xen-ops.h>
#include <asm/xen/hypervisor.h>

struct per_user_data {
@@ -448,7 +449,7 @@ static long evtchn_ioctl(struct file *file,
break;

bind_virq.virq = bind.virq;
- bind_virq.vcpu = 0;
+ bind_virq.vcpu = xen_vcpu_nr(0);
rc = HYPERVISOR_event_channel_op(EVTCHNOP_bind_virq,
&bind_virq);
if (rc != 0)
--
2.7.4