KVM: Introduce __KVM_HAVE_IRQ_LINE

This is a preparatory patch for the KVM/ARM implementation. KVM/ARM will use
the KVM_IRQ_LINE ioctl, which is currently conditional on
__KVM_HAVE_IOAPIC, but ARM obviously doesn't have any IOAPIC support and we
need a separate define.

Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h
index b9f82c8..ec6c6b3 100644 (file)
--- a/arch/ia64/include/asm/kvm.h
+++ b/arch/ia64/include/asm/kvm.h
@@ -26,6 +26,7 @@
 
 /* Select x86 specific features in <linux/kvm.h> */
 #define __KVM_HAVE_IOAPIC
+#define __KVM_HAVE_IRQ_LINE
 #define __KVM_HAVE_DEVICE_ASSIGNMENT
 
 /* Architectural interrupt line count. */

diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index e7d1c19..246617e 100644 (file)
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -12,6 +12,7 @@
 /* Select x86 specific features in <linux/kvm.h> */
 #define __KVM_HAVE_PIT
 #define __KVM_HAVE_IOAPIC
+#define __KVM_HAVE_IRQ_LINE
 #define __KVM_HAVE_DEVICE_ASSIGNMENT
 #define __KVM_HAVE_MSI
 #define __KVM_HAVE_USER_NMI

diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index 3df5925..7ef9e75 100644 (file)
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -37,7 +37,7 @@ TRACE_EVENT(kvm_userspace_exit,
                  __entry->errno < 0 ? -__entry->errno : __entry->reason)
 );
 
-#if defined(__KVM_HAVE_IOAPIC)
+#if defined(__KVM_HAVE_IRQ_LINE)
 TRACE_EVENT(kvm_set_irq,
        TP_PROTO(unsigned int gsi, int level, int irq_source_id),
        TP_ARGS(gsi, level, irq_source_id),
@@ -57,7 +57,9 @@ TRACE_EVENT(kvm_set_irq,
        TP_printk("gsi %u level %d source %d",
                  __entry->gsi, __entry->level, __entry->irq_source_id)
 );
+#endif
 
+#if defined(__KVM_HAVE_IOAPIC)
 #define kvm_deliver_mode               \
        {0x0, "Fixed"},                 \
        {0x1, "LowPrio"},               \