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-rw-r--r--arch/x86/xen/time.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index dfd6db69ead..d083ff5ef08 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -105,6 +105,12 @@ static void get_runstate_snapshot(struct vcpu_runstate_info *res)
} while (get64(&state->state_entry_time) != state_time);
}
+/* return true when a vcpu could run but has no real cpu to run on */
+bool xen_vcpu_stolen(int vcpu)
+{
+ return per_cpu(runstate, vcpu).state == RUNSTATE_runnable;
+}
+
static void setup_runstate_info(int cpu)
{
struct vcpu_register_runstate_memory_area area;