On Fri, Jan 14, 2022 at 06:58:57PM +0800, Xiongfeng Wang wrote: > After using io_stop_wc(), drivers reports following compile error when > compiled on X86. > > drivers/net/ethernet/hisilicon/hns3/hns3_enet.c: In function ‘hns3_tx_push_bd’: > drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:2058:12: error: expected ‘;’ before ‘(’ token > io_stop_wc(); > ^ > It is because I missed to add the brackets after io_stop_wc macro. So > let's add the missing brackets. > > Fixes: d5624bb29f49 ("asm-generic: introduce io_stop_wc() and add implementation for ARM64") > Reported-by: Guangbin Huang <huangguangbin2@xxxxxxxxxx> > Signed-off-by: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx> > --- > include/asm-generic/barrier.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h > index 3d503e74037f..fd7e8fbaeef1 100644 > --- a/include/asm-generic/barrier.h > +++ b/include/asm-generic/barrier.h > @@ -285,7 +285,7 @@ do { \ > * write-combining memory accesses before this macro with those after it. > */ > #ifndef io_stop_wc > -#define io_stop_wc do { } while (0) > +#define io_stop_wc() do { } while (0) Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> Arnd, do you plan to take this fix or you'd like me to? Thanks. -- Catalin