Signed-off-by: Thomas Gleixner --- arch/x86/kernel/apic/apic_noop.c | 2 ++ 1 file changed, 2 insertions(+) Index: linux/arch/x86/kernel/apic/apic_noop.c =================================================================== --- linux.orig/arch/x86/kernel/apic/apic_noop.c +++ linux/arch/x86/kernel/apic/apic_noop.c @@ -30,6 +30,7 @@ #include static void noop_init_apic_ldr(void) { } +static void noop_send_IPI(int cpu, int vector) { } static void noop_send_IPI_mask(const struct cpumask *cpumask, int vector) { } static void noop_send_IPI_mask_allbutself(const struct cpumask *cpumask, int vector) { } static void noop_send_IPI_allbutself(int vector) { } @@ -144,6 +145,7 @@ struct apic apic_noop = { .cpu_mask_to_apicid_and = flat_cpu_mask_to_apicid_and, + .send_IPI = noop_send_IPI, .send_IPI_mask = noop_send_IPI_mask, .send_IPI_mask_allbutself = noop_send_IPI_mask_allbutself, .send_IPI_allbutself = noop_send_IPI_allbutself,