Re: [PATCH] powerpc: inline current_stack_pointer()

From: Christophe Leroy
Date: Tue May 24 2016 - 01:40:17 EST

Le 23/05/2016 à 22:22, Segher Boessenkool a écrit :
On Mon, May 23, 2016 at 10:46:02AM +0200, Christophe Leroy wrote:
+static inline unsigned long current_stack_pointer(void)
+ register unsigned long *ptr asm("r1");
+ return *ptr;
Register asm is only guaranteed to work as input to inline asm. NAK.

Does it mean that the following declaration in arch/powerpc/include/asm/paca.h is wrong too ?

register struct paca_struct *local_paca asm("r13");