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[PATCH linux v2 6/9] xen/events: use xen_vcpu_id mapping in events_base

From Vitaly Kuznetsov <vkuznets@redhat.com>
Newsgroups linux.kernel
Subject [PATCH linux v2 6/9] xen/events: use xen_vcpu_id mapping in events_base
Date 2016-06-30 18:00 +0200
Message-ID <rPMxJ-2YZ-43@gated-at.bofh.it> (permalink)
References <rPMxH-2YZ-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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EVTCHNOP_bind_ipi and EVTCHNOP_bind_virq pass vCPU id as a parameter and
Xen's idea of vCPU id should be used. Use the newly introduced xen_vcpu_id
mapping to convert it from Linux's id.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
Changes since v1:
- Use xen_vcpu_nr() helper [David Vrabel]
---
 drivers/xen/events/events_base.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 8fb7cbf..d5dbdb9 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -895,7 +895,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
 		irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
 					      handle_percpu_irq, "ipi");
 
-		bind_ipi.vcpu = cpu;
+		bind_ipi.vcpu = xen_vcpu_nr(cpu);
 		if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_ipi,
 						&bind_ipi) != 0)
 			BUG();
@@ -991,7 +991,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu, bool percpu)
 						      handle_edge_irq, "virq");
 
 		bind_virq.virq = virq;
-		bind_virq.vcpu = cpu;
+		bind_virq.vcpu = xen_vcpu_nr(cpu);
 		ret = HYPERVISOR_event_channel_op(EVTCHNOP_bind_virq,
 						&bind_virq);
 		if (ret == 0)
@@ -1319,7 +1319,7 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
 
 	/* Send future instances of this interrupt to other vcpu. */
 	bind_vcpu.port = evtchn;
-	bind_vcpu.vcpu = tcpu;
+	bind_vcpu.vcpu = xen_vcpu_nr(tcpu);
 
 	/*
 	 * Mask the event while changing the VCPU binding to prevent
@@ -1459,7 +1459,7 @@ static void restore_cpu_virqs(unsigned int cpu)
 
 		/* Get a new binding from Xen. */
 		bind_virq.virq = virq;
-		bind_virq.vcpu = cpu;
+		bind_virq.vcpu = xen_vcpu_nr(cpu);
 		if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_virq,
 						&bind_virq) != 0)
 			BUG();
@@ -1483,7 +1483,7 @@ static void restore_cpu_ipis(unsigned int cpu)
 		BUG_ON(ipi_from_irq(irq) != ipi);
 
 		/* Get a new binding from Xen. */
-		bind_ipi.vcpu = cpu;
+		bind_ipi.vcpu = xen_vcpu_nr(cpu);
 		if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_ipi,
 						&bind_ipi) != 0)
 			BUG();
-- 
2.5.5

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Thread

[PATCH linux v2 0/9] xen: pvhvm: support bootup on secondary vCPUs Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-06-30 18:00 +0200
  [PATCH linux v2 9/9] xen/pvhvm: run xen_vcpu_setup() for the boot CPU Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-06-30 18:00 +0200
  [PATCH linux v2 4/9] x86/xen: use xen_vcpu_id mapping for HYPERVISOR_vcpu_op Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-06-30 18:00 +0200
  [PATCH linux v2 6/9] xen/events: use xen_vcpu_id mapping in events_base Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-06-30 18:00 +0200
  [PATCH linux v2 8/9] xen/evtchn: use xen_vcpu_id mapping Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-06-30 18:00 +0200
  [PATCH linux v2 2/9] x86/acpi: store ACPI ids from MADT for future usage Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-06-30 18:10 +0200
  [PATCH linux v2 3/9] xen: introduce xen_vcpu_id mapping Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-06-30 18:10 +0200

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