[PATCH 3/3] powerpc/uaccess: Remove __put_user_asm() and __put_user_asm2()

From: Christophe Leroy
Date: Fri Sep 04 2020 - 07:04:38 EST


__put_user_asm() and __put_user_asm2() are not used anymore.

Remove them.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/powerpc/include/asm/uaccess.h | 41 ++++--------------------------
1 file changed, 5 insertions(+), 36 deletions(-)

diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 96d1c144f92b..26781b044932 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -151,42 +151,6 @@ static inline int __access_ok(unsigned long addr, unsigned long size,

extern long __put_user_bad(void);

-/*
- * We don't tell gcc that we are accessing memory, but this is OK
- * because we do not write to any memory gcc knows about, so there
- * are no aliasing issues.
- */
-#define __put_user_asm(x, addr, err, op) \
- __asm__ __volatile__( \
- "1: " op "%U2%X2 %1,%2 # put_user\n" \
- "2:\n" \
- ".section .fixup,\"ax\"\n" \
- "3: li %0,%3\n" \
- " b 2b\n" \
- ".previous\n" \
- EX_TABLE(1b, 3b) \
- : "=r" (err) \
- : "r" (x), "m<>" (*addr), "i" (-EFAULT), "0" (err))
-
-#ifdef __powerpc64__
-#define __put_user_asm2(x, ptr, retval) \
- __put_user_asm(x, ptr, retval, "std")
-#else /* __powerpc64__ */
-#define __put_user_asm2(x, addr, err) \
- __asm__ __volatile__( \
- "1: stw%X2 %1,%2\n" \
- "2: stw%X2 %L1,%L2\n" \
- "3:\n" \
- ".section .fixup,\"ax\"\n" \
- "4: li %0,%3\n" \
- " b 3b\n" \
- ".previous\n" \
- EX_TABLE(1b, 4b) \
- EX_TABLE(2b, 4b) \
- : "=r" (err) \
- : "r" (x), "m" (*addr), "i" (-EFAULT), "0" (err))
-#endif /* __powerpc64__ */
-
#define __put_user_size_allowed(x, ptr, size, retval) \
do { \
__label__ __pu_failed; \
@@ -249,6 +213,11 @@ do { \
})


+/*
+ * We don't tell gcc that we are accessing memory, but this is OK
+ * because we do not write to any memory gcc knows about, so there
+ * are no aliasing issues.
+ */
#define __put_user_asm_goto(x, addr, label, op) \
asm volatile goto( \
"1: " op "%U1%X1 %0,%1 # put_user\n" \
--
2.25.0