Fix interrupt race condition on arm64 and riscv64

src/arch/aarch64/interrupt/mod.rs

@@ -26,7 +26,7 @@ pub unsafe fn disable() {
 #[inline(always)]
 pub unsafe fn enable_and_halt() {
     unsafe {
-        asm!("msr daifclr, #2", "wfi");
+        asm!("wfi", "msr daifclr, #2", "nop");
     }
 }
 

src/arch/riscv64/interrupt/mod.rs

@@ -26,7 +26,7 @@ pub unsafe fn enable() {
 /// Performing enable followed by halt is not guaranteed to be atomic, use this instead!
 #[inline(always)]
 pub unsafe fn enable_and_halt() {
-    unsafe { asm!("csrsi sstatus, 1 << 1", "wfi") }
+    unsafe { asm!("wfi", "csrsi sstatus, 1 << 1", "nop") }
 }
 
 /// Set interrupts and nop