On Sat, May 30, 2020 at 3:11 PM Brian Gerst <brge...@gmail.com> wrote:
>
> The "e" constraint represents a constant, but the XADD instruction doesn't
> accept immediate operands.
>
> Signed-off-by: Brian Gerst <brge...@gmail.com>
Yep, as we discussed in v1.
Reviewed-by: Nick Desaulniers <ndesaulni...@google.com>
> ---
> arch/x86/include/asm/percpu.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
> index 2a24f3c795eb..9bb5440d98d3 100644
> --- a/arch/x86/include/asm/percpu.h
> +++ b/arch/x86/include/asm/percpu.h
> @@ -220,7 +220,7 @@ do {
> \
> break; \
> case 8: \
> asm qual ("xaddq %0, "__percpu_arg(1) \
> - : "+re" (paro_ret__), "+m" (var) \
> + : "+r" (paro_ret__), "+m" (var) \
> : : "memory"); \
> break; \
> default: __bad_percpu_size(); \
> --
> 2.25.4
>
--
Thanks,
~Nick Desaulniers
