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Make current_cpu_racy a method of CpuId

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This commit is contained in:
Ruihan Li
2025-05-19 15:58:00 +08:00
committed by Jianfeng Jiang
parent 758c80c321
commit 56e9824dd1
5 changed files with 39 additions and 35 deletions
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17
kernel/src/lib.rs
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@ -33,7 +33,7 @@ use kcmdline::KCmdlineArg;
use ostd::{
arch::qemu::{exit_qemu, QemuExitCode},
boot::boot_info,
cpu::{CpuId, CpuSet, PinCurrentCpu},
cpu::{CpuId, CpuSet},
};
use process::{spawn_init_process, Process};
use sched::SchedPolicy;
@ -104,22 +104,21 @@ pub fn init() {
fn ap_init() {
fn ap_idle_thread() {
let preempt_guard = ostd::task::disable_preempt();
let cpu_id = preempt_guard.current_cpu();
drop(preempt_guard);
log::info!("Kernel idle thread for CPU #{} started.", cpu_id.as_usize());
log::info!(
"Kernel idle thread for CPU #{} started.",
// No races because `ap_idle_thread` runs on a certain AP.
CpuId::current_racy().as_usize(),
);
loop {
crate::thread::Thread::yield_now();
ostd::cpu::sleep_for_interrupt();
}
}
let preempt_guard = ostd::task::disable_preempt();
let cpu_id = preempt_guard.current_cpu();
drop(preempt_guard);
ThreadOptions::new(ap_idle_thread)
.cpu_affinity(cpu_id.into())
// No races because `ap_init` runs on a certain AP.
.cpu_affinity(CpuId::current_racy().into())
.sched_policy(SchedPolicy::Idle)
.spawn();
}