diff options
| author | Liu Shixin <liushixin2@huawei.com> | 2022-11-22 20:31:37 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2023-01-05 15:05:22 +0000 |
| commit | 730a11f982e61aaef758ab552dfb7c30de79e99b (patch) | |
| tree | 0cacabd3fff182cb7e07f99661ad8d4320352002 /arch/arm64 | |
| parent | 74c2f81054510d45b813548cb0a1c4ebf87cdd5f (diff) | |
| download | linux-730a11f982e61aaef758ab552dfb7c30de79e99b.tar.bz2 | |
arm64/mm: add pud_user_exec() check in pud_user_accessible_page()
Add check for the executable case in pud_user_accessible_page() too
like what we did for pte and pmd.
Fixes: 42b2547137f5 ("arm64/mm: enable ARCH_SUPPORTS_PAGE_TABLE_CHECK")
Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20221122123137.429686-1-liushixin2@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 67fc6fdb03fd..780973a6cbb6 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -681,7 +681,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd) #define pud_leaf(pud) (pud_present(pud) && !pud_table(pud)) #define pud_valid(pud) pte_valid(pud_pte(pud)) #define pud_user(pud) pte_user(pud_pte(pud)) - +#define pud_user_exec(pud) pte_user_exec(pud_pte(pud)) static inline void set_pud(pud_t *pudp, pud_t pud) { @@ -867,7 +867,7 @@ static inline bool pmd_user_accessible_page(pmd_t pmd) static inline bool pud_user_accessible_page(pud_t pud) { - return pud_leaf(pud) && pud_user(pud); + return pud_leaf(pud) && (pud_user(pud) || pud_user_exec(pud)); } #endif |