diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c
index 2b0cfce24a619af5105e11705adb771f5298c0a1..21dc1bbb806722bf26bf5d4348d01d386b72d7ce 100644
--- a/arch/i386/kernel/crash.c
+++ b/arch/i386/kernel/crash.c
@@ -114,7 +114,8 @@ static int crash_nmi_callback(struct pt_regs *regs, int cpu)
 	atomic_dec(&waiting_for_crash_ipi);
 	/* Assume hlt works */
 	halt();
-	for(;;);
+	for (;;)
+		cpu_relax();
 
 	return 1;
 }
diff --git a/arch/i386/kernel/doublefault.c b/arch/i386/kernel/doublefault.c
index 5edb1d379add9d24bd353e2ade6c176d0a3cdca5..b4d14c2eb345299db3366b1829332d9765260e14 100644
--- a/arch/i386/kernel/doublefault.c
+++ b/arch/i386/kernel/doublefault.c
@@ -44,7 +44,8 @@ static void doublefault_fn(void)
 		}
 	}
 
-	for (;;) /* nothing */;
+	for (;;)
+		cpu_relax();
 }
 
 struct tss_struct doublefault_tss __cacheline_aligned = {