xref: /DragonOS/kernel/src/arch/x86_64/mm/barrier.rs (revision 59a6bcf6aee15a11a16431bdf875905c5ecf9157)

#![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");
    }
}