Define smp_call_function_many for UP Otherwise those using it in transition patches (eg. kvm) can't compile with CONFIG_SMP=n: arch/x86/kvm/../../../virt/kvm/kvm_main.c: In function 'make_all_cpus_request': arch/x86/kvm/../../../virt/kvm/kvm_main.c:380: error: implicit declaration of function 'smp_call_function_many' Signed-off-by: Rusty Russell --- include/linux/smp.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/smp.h b/include/linux/smp.h --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -146,6 +147,8 @@ static inline void smp_send_reschedule(i }) #define smp_call_function_mask(mask, func, info, wait) \ (up_smp_call_function(func, info)) +#define smp_call_function_many(mask, func, info, wait) \ + (up_smp_call_function(func, info)) static inline void init_call_single_data(void) { }