diff options
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/events.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index a58ac435a9a4..c8b9d9fc77b5 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -56,6 +56,7 @@ #include <xen/interface/hvm/params.h> #include <xen/interface/physdev.h> #include <xen/interface/sched.h> +#include <xen/interface/vcpu.h> #include <asm/hw_irq.h> /* @@ -1212,7 +1213,15 @@ EXPORT_SYMBOL_GPL(evtchn_put); void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector) { - int irq = per_cpu(ipi_to_irq, cpu)[vector]; + int irq; + + if (unlikely(vector == XEN_NMI_VECTOR)) { + int rc = HYPERVISOR_vcpu_op(VCPUOP_send_nmi, cpu, NULL); + if (rc < 0) + printk(KERN_WARNING "Sending nmi to CPU%d failed (rc:%d)\n", cpu, rc); + return; + } + irq = per_cpu(ipi_to_irq, cpu)[vector]; BUG_ON(irq < 0); notify_remote_via_irq(irq); } |