diff mbox series

[v2,36/37] powerpc: Finally remove _PAGE_USER

Message ID 76ebe74fdaed4297a1d8203a61174650c1d8d278.1695659959.git.christophe.leroy@csgroup.eu (mailing list archive)
State Accepted
Commit 163a72fa89161b57b05d848aedfbd5103fac9dd7
Headers show
Series Implement execute-only protection on powerpc | expand

Commit Message

Christophe Leroy Sept. 25, 2023, 6:31 p.m. UTC
_PAGE_USER is now gone on all targets. Remove it completely.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/include/asm/nohash/pgtable.h | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index aba56fe3b1c6..f922c84b23eb 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -183,18 +183,14 @@  static inline int pte_young(pte_t pte)
 }
 
 /*
- * Don't just check for any non zero bits in __PAGE_USER, since for book3e
+ * Don't just check for any non zero bits in __PAGE_READ, since for book3e
  * and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in
- * _PAGE_USER.  Need to explicitly match _PAGE_BAP_UR bit in that case too.
+ * _PAGE_READ.  Need to explicitly match _PAGE_BAP_UR bit in that case too.
  */
 #ifndef pte_read
 static inline bool pte_read(pte_t pte)
 {
-#ifdef _PAGE_READ
 	return (pte_val(pte) & _PAGE_READ) == _PAGE_READ;
-#else
-	return (pte_val(pte) & _PAGE_USER) == _PAGE_USER;
-#endif
 }
 #endif
 
@@ -206,7 +202,7 @@  static inline bool pte_read(pte_t pte)
 static inline bool pte_access_permitted(pte_t pte, bool write)
 {
 	/*
-	 * A read-only access is controlled by _PAGE_USER bit.
+	 * A read-only access is controlled by _PAGE_READ bit.
 	 * We have _PAGE_READ set for WRITE and EXECUTE
 	 */
 	if (!pte_present(pte) || !pte_read(pte))