xref: /DragonOS/kernel/src/arch/x86_64/mm/barrier.rs (revision 06b09f34ed64a006a80ae8df383e3c8b176f02e0)

#![allow(dead_code)]
use core::arch::asm;

#[inline(always)]
pub fn mfence() {
    unsafe {
        asm!("mfence");
    }
}

#[inline(always)]
pub fn lfence() {
    unsafe {
        asm!("lfence");
    }
}

#[inline(always)]
pub fn sfence() {
    unsafe {
        asm!("sfence");
    }
}