From: Christophe Leroy <christophe.le...@c-s.fr>
40x was the last user of PTE_ATOMIC_UPDATES.
Drop everything related to PTE_ATOMIC_UPDATES.
Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
---
v5: Rebased on top of the 8xx hugepage series
Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
arch/powerpc/include/asm/nohash/32/pgtable.h | 15 ---------------
1 file changed, 15 deletions(-)
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h
b/arch/powerpc/include/asm/nohash/32/pgtable.h
index 717f995d21b8..46cd5428fc52 100644
--- a/arch/powerpc/include/asm/nohash/32/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
@@ -259,25 +259,10 @@ static inline pte_basic_t pte_update(struct mm_struct
*mm, unsigned long addr, p
static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr,
pte_t *p,
unsigned long clr, unsigned long set, int
huge)
{
-#if defined(PTE_ATOMIC_UPDATES) && !defined(CONFIG_PTE_64BIT)
- unsigned long old, tmp;
-
- __asm__ __volatile__("\
-1: lwarx %0,0,%3\n\
- andc %1,%0,%4\n\
- or %1,%1,%5\n"
- PPC405_ERR77(0,%3)
-" stwcx. %1,0,%3\n\
- bne- 1b"
- : "=&r" (old), "=&r" (tmp), "=m" (*p)
- : "r" (p), "r" (clr), "r" (set), "m" (*p)
- : "cc" );
-#else /* PTE_ATOMIC_UPDATES */
pte_basic_t old = pte_val(*p);
pte_basic_t new = (old & ~(pte_basic_t)clr) | set;
*p = __pte(new);
-#endif /* !PTE_ATOMIC_UPDATES */
#ifdef CONFIG_44x
if ((old & _PAGE_USER) && (old & _PAGE_EXEC))
--
2.25.0
