Add memory barrier to the blas_lock implementation for Linux

as recommended by cparrott73 in #2760
2020-08-09 19:17:04 +02:00 · 2020-08-09 19:17:04 +02:00 · c9d32674ea
parent 9eb897cc01
commit c9d32674ea
1 changed files with 1 additions and 0 deletions
--- a/common_power.h
+++ b/common_power.h
@ -105,6 +105,7 @@ static void INLINE blas_lock(volatile unsigned long *address){
 	   "	bne- 1f\n"
 	   "	stwcx. %2,0, %1\n"
 	   "	bne- 0b\n"
+	   "    isync\n"
 	   "1:    "
 	: "=&r"(ret)
 	: "r"(address), "r" (val)