Re: [Xen-devel] [PATCH v2 03/18] argo: define argo_dprintk for subsystem debugging

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.12.18 at 07:39, <christopher.w.clark@xxxxxxxxx> wrote:
> --- a/xen/common/argo.c
> +++ b/xen/common/argo.c
> @@ -19,6 +19,19 @@
>  #include <xen/errno.h>
>  #include <xen/guest_access.h>
>  
> +/*
> + * Debug
> + */
> +
> +/* Set ARGO_DEBUG to 1 here to enable more debug messages */
> +#define ARGO_DEBUG 0
> +
> +#ifdef ARGO_DEBUG

Well, either the way to switch between modes is replacing the
0 by a 1 above (in which case you mean #if here) or you mean
#ifdef here and want to switch by toggling between #define
and #undef.

Jan



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