Re: [kvm-unit-tests PATCH v3 5/9] s390x: Library resources for CSS tests

[Thomas Huth <thuth@redhat.com>]

On 06/12/2019 17.26, Pierre Morel wrote:
> These are the include and library utilities for the css tests patch
> series.
> 
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
> ---
>  lib/s390x/css.h      | 259 +++++++++++++++++++++++++++++++++++++++++++
>  lib/s390x/css_dump.c | 156 ++++++++++++++++++++++++++
>  2 files changed, 415 insertions(+)
>  create mode 100644 lib/s390x/css.h
>  create mode 100644 lib/s390x/css_dump.c
> 
> diff --git a/lib/s390x/css.h b/lib/s390x/css.h
> new file mode 100644
> index 0000000..6f19bb5
> --- /dev/null
> +++ b/lib/s390x/css.h
[...]
> +/* Debug functions */
> +char *dump_pmcw_flags(uint16_t f);
> +char *dump_scsw_flags(uint32_t f);
> +#undef DEBUG
> +#ifdef DEBUG
> +void dump_scsw(struct scsw *);
> +void dump_irb(struct irb *irbp);
> +void dump_schib(struct schib *sch);
> +struct ccw *dump_ccw(struct ccw *cp);
> +#else
> +static inline void dump_scsw(struct scsw *scsw) {}
> +static inline void dump_irb(struct irb *irbp) {}
> +static inline void dump_pmcw(struct pmcw *p) {}
> +static inline void dump_schib(struct schib *sch) {}
> +static inline void dump_orb(struct orb *op) {}
> +static inline struct ccw *dump_ccw(struct ccw *cp)
> +{
> +	return NULL;
> +}
> +#endif

I'd prefer to not have a "#undef DEBUG" (or "#define DEBUG") statement
in the header here - it could trigger unexpected behavior with other
files that also use a DEBUG macro.

Could you please declare the prototypes here and move the "#else" part
to the .c file instead? Thanks!

 Thomas