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Change idle task to lowest priority

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This commit is contained in:
Yuke Peng
2024-09-10 10:32:41 +08:00
committed by Tate, Hongliang Tian
parent 1186fb7ca9
commit 63364813a8
3 changed files with 41 additions and 10 deletions
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9
kernel/src/lib.rs
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@ -37,6 +37,7 @@ use ostd::{
arch::qemu::{exit_qemu, QemuExitCode},
boot,
cpu::PinCurrentCpu,
task::Priority,
};
use process::Process;
@ -90,7 +91,7 @@ pub fn main() {
ostd::boot::smp::register_ap_entry(ap_init);
// Spawn the first kernel thread on BSP.
Thread::spawn_kernel_thread(ThreadOptions::new(init_thread));
Thread::spawn_kernel_thread(ThreadOptions::new(init_thread).priority(Priority::lowest()));
// Spawning functions in the bootstrap context will not return.
unreachable!()
}
@ -122,7 +123,11 @@ fn ap_init() -> ! {
let cpu_id = preempt_guard.current_cpu();
drop(preempt_guard);
Thread::spawn_kernel_thread(ThreadOptions::new(ap_idle_thread).cpu_affinity(cpu_id.into()));
Thread::spawn_kernel_thread(
ThreadOptions::new(ap_idle_thread)
.cpu_affinity(cpu_id.into())
.priority(Priority::lowest()),
);
// Spawning functions in the bootstrap context will not return.
unreachable!()
}