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fix: vspace: entry: PTEFlags -> MapAttr: RWX must all be empty when indicating a page table

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This commit is contained in:
Paul Pan 2024-06-14 21:06:09 +08:00
parent 42a7ea89c5
commit c451aa4c76
1 changed files with 4 additions and 1 deletions
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5
kernel/src/arch/riscv/vspace/entry.rs
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@ -36,7 +36,10 @@ impl From<PTEFlags> for MapAttr {
if flags.contains(PTEFlags::USER_ACCESSIBLE) {
attr.insert(Self::USER_ACCESSIBLE);
}
if flags.contains(PTEFlags::VALID) && !flags.contains(PTEFlags::READABLE | PTEFlags::WRITABLE | PTEFlags::EXECUTABLE)
if flags.contains(PTEFlags::VALID)
&& !flags.contains(PTEFlags::READABLE)
&& !flags.contains(PTEFlags::WRITABLE)
&& !flags.contains(PTEFlags::EXECUTABLE)
{
attr.insert(Self::PAGE_TABLE);
}