From: Christopher Clark <christopher.w.clark@gmail.com>
Date: Wed, 6 Feb 2019 08:55:00 +0000 (+0100)
Subject: argo: define argo_dprintk for subsystem debugging
X-Git-Tag: xen-pt-allocation-1.1-base~24
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=c452c85f6fe6ad09c0b46b77c45216863f12c5b4;p=people%2Fliuw%2Fxen.git

argo: define argo_dprintk for subsystem debugging

A convenience for working on development of the argo subsystem:
setting a #define variable enables additional debug messages.

Signed-off-by: Christopher Clark <christopher.clark6@baesystems.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
---

diff --git a/xen/common/argo.c b/xen/common/argo.c
index dd2390d3f3..ada1aaf937 100644
--- a/xen/common/argo.c
+++ b/xen/common/argo.c
@@ -19,6 +19,15 @@
 #include <xen/errno.h>
 #include <xen/guest_access.h>
 
+/* Change this to #define ARGO_DEBUG here to enable more debug messages */
+#undef ARGO_DEBUG
+
+#ifdef ARGO_DEBUG
+#define argo_dprintk(format, args...) printk("argo: " format, ## args )
+#else
+#define argo_dprintk(format, ... ) ((void)0)
+#endif
+
 long
 do_argo_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg1,
            XEN_GUEST_HANDLE_PARAM(void) arg2, unsigned long raw_arg3,