Re: [PATCH] coresight: do not use the BIT() macro in the UAPI header

From: Greg Kroah-Hartman
Date: Thu Mar 26 2020 - 10:10:18 EST


On Tue, Mar 24, 2020 at 09:31:15AM -0600, Mathieu Poirier wrote:
> On Mon, 23 Mar 2020 at 22:22, Eugene Syromiatnikov <esyr@xxxxxxxxxx> wrote:
> >
> > The BIT() macro definition is not available for the UAPI headers
> > (moreover, it can be defined differently in the user space); replace
> > its usage with the _BITUL() macro that is defined in <linux/const.h>.
> >
> > Fixes: 237483aa5cf4 ("coresight: stm: adding driver for CoreSight STM component")
> > Signed-off-by: Eugene Syromiatnikov <esyr@xxxxxxxxxx>
> > ---
> > include/uapi/linux/coresight-stm.h | 6 ++++--
> > 1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/uapi/linux/coresight-stm.h b/include/uapi/linux/coresight-stm.h
> > index aac550a..8847dbf 100644
> > --- a/include/uapi/linux/coresight-stm.h
> > +++ b/include/uapi/linux/coresight-stm.h
> > @@ -2,8 +2,10 @@
> > #ifndef __UAPI_CORESIGHT_STM_H_
> > #define __UAPI_CORESIGHT_STM_H_
> >
> > -#define STM_FLAG_TIMESTAMPED BIT(3)
> > -#define STM_FLAG_GUARANTEED BIT(7)
> > +#include <linux/const.h>
> > +
> > +#define STM_FLAG_TIMESTAMPED _BITUL(3)
> > +#define STM_FLAG_GUARANTEED _BITUL(7)
>
> Greg, if you want to pick this up right away:
>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
>
> Otherwise let me know and I'll add it to my next tree.

I'll take it now, thanks.

greg k-h