[rtems-libbsd commit] Use _SMP_Unicast_action()

[Sebastian Huber]

Module:    rtems-libbsd
Branch:    5-freebsd-12
Commit:    b5f8d4831d66364b7391e3660560cb9bbecada2e
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=b5f8d4831d66364b7391e3660560cb9bbecada2e

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri May 17 10:21:58 2019 +0200

Use _SMP_Unicast_action()

It is a bit more efficient.

---

 rtemsbsd/powerpc/include/linux/smp.h | 5 +----
 rtemsbsd/rtems/rtems-kernel-epoch.c  | 5 +----
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/rtemsbsd/powerpc/include/linux/smp.h b/rtemsbsd/powerpc/include/linux/smp.h
index bf8e60e..67d368f 100644
--- a/rtemsbsd/powerpc/include/linux/smp.h
+++ b/rtemsbsd/powerpc/include/linux/smp.h
@@ -41,12 +41,9 @@ typedef void (*smp_call_func_t)(void *arg);
 static inline int
 smp_call_function_single(int cpu, smp_call_func_t func, void *arg, int wait)
 {
-	cpu_set_t set;
 
 	(void)wait;
-	CPU_ZERO(&set);
-	CPU_SET(cpu, &set);
-	_SMP_Multicast_action(sizeof(set), &set, func, arg);
+	_SMP_Unicast_action((uint32_t)cpu, func, arg);
 	return (0);
 }
 
diff --git a/rtemsbsd/rtems/rtems-kernel-epoch.c b/rtemsbsd/rtems/rtems-kernel-epoch.c
index 229f265..48c0cf6 100644
--- a/rtemsbsd/rtems/rtems-kernel-epoch.c
+++ b/rtemsbsd/rtems/rtems-kernel-epoch.c
@@ -278,10 +278,7 @@ epoch_block_handler_preempt(struct ck_epoch *g __unused,
 
 #ifdef RTEMS_SMP
 	if (cpu_self_index != er->er_cpuid) {
-		Processor_mask targets;
-
-		_Processor_mask_From_index(&targets, er->er_cpuid);
-		_SMP_Multicast_action(&targets, epoch_register_mutex, &etm);
+		_SMP_Unicast_action(er->er_cpuid, epoch_register_mutex, &etm);
 	} else {
 		epoch_register_mutex(&etm);
 	}