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Turn GS.base validity into a global invariant

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This commit is contained in:
Ruihan Li
2024-12-29 23:53:55 +08:00
committed by Tate, Hongliang Tian
parent b52d841ac1
commit 5651b93af0
11 changed files with 243 additions and 242 deletions
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8
ostd/src/lib.rs
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@ -84,11 +84,13 @@ unsafe fn init() {
logger::init();
// SAFETY: They are only called once on BSP and ACPI has been initialized.
// No CPU local objects have been accessed by this far.
// SAFETY:
// 1. They are only called once in the boot context of the BSP.
// 2. The number of CPUs are available because ACPI has been initialized.
// 3. No CPU-local objects have been accessed yet.
unsafe {
cpu::init_num_cpus();
cpu::local::init_on_bsp();
cpu::local::copy_bsp_for_ap();
cpu::set_this_cpu_id(0);
}