[PATCH v8 16/30] powerpc: Define and use __get_user_instr{, inatomic}()

[Jordan Niethe]

Hi mpe, could you please take this.

 arch/powerpc/include/asm/uaccess.h | 3 +++
 arch/powerpc/kernel/vecemu.c       | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/uaccess.h
b/arch/powerpc/include/asm/uaccess.h
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -105,6 +105,9 @@ static inline int __access_ok(unsigned long addr,
unsigned long size,
 #define __put_user_inatomic(x, ptr) \
     __put_user_nosleep((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))

+#define get_user_instr(x, ptr) \
+    get_user((x).val, (u32 *)(ptr))
+
 #define __get_user_instr(x, ptr) \
     __get_user_nocheck((x).val, (u32 *)(ptr), sizeof(u32), true)

diff --git a/arch/powerpc/kernel/vecemu.c b/arch/powerpc/kernel/vecemu.c
index 60ed5aea8d4e..ae632569446f 100644
--- a/arch/powerpc/kernel/vecemu.c
+++ b/arch/powerpc/kernel/vecemu.c
@@ -266,7 +266,7 @@ int emulate_altivec(struct pt_regs *regs)
     unsigned int va, vb, vc, vd;
     vector128 *vrs;

-    if (__get_user_instr(instr, (void __user *)regs->nip))
+    if (get_user_instr(instr, (void __user *)regs->nip))
         return -EFAULT;

     word = ppc_inst_val(instr);