mmu: add pause instruction while waiting for other cpus to invalidate page

2026-10-27 12:48:22 +00:00 · 2022-09-13 20:28:28 -03:00
parent e7517468c7
commit 5e92b8cabd
1 changed files with 1 additions and 1 deletions
@@ -46,7 +46,7 @@ static void invalidate(void* addr){
 	sem.count += 2;
 	inv = addr;
 	arch_smp_sendipi(0, VECTOR_MMUINVAL, IPI_CPU_ALLBUTSELF);
-	while(!sem_tryacquire(&sem));
+	while(!sem_tryacquire(&sem)) asm("pause");
 }