On 01/03/2019 19.59, Jason J. Herne wrote: > Introduce inline functions to convert between pointers and unsigned 32-bit > ints. These are used to hide the ugliness required to avoid compiler > warnings. > > Signed-off-by: Jason J. Herne <jjhe...@linux.ibm.com> > Acked-by: Cornelia Huck <coh...@redhat.com> > --- > pc-bios/s390-ccw/helper.h | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > create mode 100644 pc-bios/s390-ccw/helper.h > > diff --git a/pc-bios/s390-ccw/helper.h b/pc-bios/s390-ccw/helper.h > new file mode 100644 > index 0000000..b8bc61b > --- /dev/null > +++ b/pc-bios/s390-ccw/helper.h > @@ -0,0 +1,16 @@ > +#ifndef S390_CCW_HELPER_H > +#define S390_CCW_HELPER_H > + > +/* Avoids compiler warnings when casting a pointer to a u32 */ > +static inline uint32_t ptr2u32(void *ptr) > +{
Would it make sense to add an IPL_assert(ptr <= 0xffffffff) here? > + return (uint32_t)(uint64_t)ptr; > +} > + > +/* Avoids compiler warnings when casting a u32 to a pointer */ > +static inline void *u32toptr(uint32_t n) > +{ > + return (void *)(uint64_t)n; > +} > + > +#endif Reviewed-by: Thomas Huth <th...@redhat.com>