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Implement the stray marking in PT to ensure serializability

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Zhang Junyang
2025-03-24 11:58:03 +08:00
committed by Tate, Hongliang Tian
parent 5b7637eac3
commit 54fbdcf059
10 changed files with 167 additions and 126 deletions
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13
kernel/src/vm/vmar/mod.rs
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@ -355,9 +355,16 @@ impl Vmar_ {
/// Clears all content of the root VMAR.
fn clear_root_vmar(&self) -> Result<()> {
self.vm_space.clear();
let mut inner = self.inner.write();
inner.vm_mappings.clear();
{
let full_range = 0..MAX_USERSPACE_VADDR;
let mut cursor = self.vm_space.cursor_mut(&full_range).unwrap();
cursor.unmap(full_range.len());
cursor.flusher().sync_tlb_flush();
}
{
let mut inner = self.inner.write();
inner.vm_mappings.clear();
}
Ok(())
}