On Mon, Jun 18, 2007 at 02:23:06AM -0400, Mike Frysinger wrote:
> Since asm-s390/ptrace.h is exported to userspace, we need to make sure we use
> __asm__() rather than asm() as the latter is disabled when gcc compiles with
> GNU extensions turned off (like -std=c99).
>
> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
> ---
> diff --git a/include/asm-s390/ptrace.h b/include/asm-s390/ptrace.h
> index fa6ca87..4add355 100644
> --- a/include/asm-s390/ptrace.h
> +++ b/include/asm-s390/ptrace.h
> @@ -475,7 +475,7 @@ extern void show_regs(struct pt_regs * regs);
> static inline void
> psw_set_key(unsigned int key)
> {
> - asm volatile("spka 0(%0)" : : "d" (key));
> + __asm__ __volatile__("spka 0(%0)" : : "d" (key));
> }
>
> #endif /* __ASSEMBLY__ */
Hmm.. spka is a sort of priviledged instruction and shouldn't be
user space visible.
I will move it so it's under #ifdef __KERNEL__.
-
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