diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2020-05-21 16:55:54 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-28 23:24:35 +1000 |
| commit | 4e1df545e2fae53e07c93b835c3dcc9d4917c849 (patch) | |
| tree | 2aabc3979d24f31690fe7c515c9c6825361f755b | |
| parent | 2c74e2586bb96012ffc05f1c819b05d9cad86d6e (diff) | |
powerpc/pgtable: Drop PTE_ATOMIC_UPDATES
40x was the last user of PTE_ATOMIC_UPDATES.
Drop everything related to PTE_ATOMIC_UPDATES.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/dbe8438fd1ed3e500132c8ab70269d4e6cc84531.1590079968.git.christophe.leroy@csgroup.eu
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/pgtable.h | 15 |
1 files changed, 0 insertions, 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)) |