X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fpower.h;h=f161c698f40ebf14f261d4b77323138e45f98cfb;hb=485f68165577f92d04057771bd11e969be9a2c7c;hp=93c40c0394936d09552074b905eb423e9b4113aa;hpb=b7be39427a8d818c10da11295bd28ba9b00e0628;p=bertos.git

diff --git a/bertos/cpu/power.h b/bertos/cpu/power.h
index 93c40c03..f161c698 100644
--- a/bertos/cpu/power.h
+++ b/bertos/cpu/power.h
@@ -40,6 +40,8 @@
 #include "cfg/cfg_proc.h"
 #include "cfg/cfg_wdt.h"
 
+#include <cfg/compiler.h>
+
 #if CONFIG_KERN
 	#include <kern/proc.h>
 #endif
@@ -66,8 +68,10 @@
  */
 INLINE void cpu_relax(void)
 {
+	MEMORY_BARRIER;
 #if CONFIG_KERN
-	proc_yield();
+	if (proc_preemptAllowed())
+		proc_yield();
 #endif
 
 #if CONFIG_WATCHDOG