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Allow the page table un-mapper to flush the TLB precisely

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This commit is contained in:
Zhang Junyang
2024-08-08 03:14:37 +00:00
committed by Tate, Hongliang Tian
parent e597a10088
commit 9a6e1b03e3
7 changed files with 167 additions and 104 deletions
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7
ostd/src/mm/page_table/mod.rs
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@ -213,11 +213,6 @@ where
Ok(())
}
pub unsafe fn unmap(&self, vaddr: &Range<Vaddr>) -> Result<(), PageTableError> {
self.cursor_mut(vaddr)?.unmap(vaddr.len());
Ok(())
}
pub unsafe fn protect(
&self,
vaddr: &Range<Vaddr>,
@ -296,7 +291,7 @@ pub(super) unsafe fn page_walk<E: PageTableEntryTrait, C: PagingConstsTrait>(
) -> Option<(Paddr, PageProperty)> {
use super::paddr_to_vaddr;
let preempt_guard = crate::task::disable_preempt();
let _guard = crate::trap::disable_local();
let mut cur_level = C::NR_LEVELS;
let mut cur_pte = {