Instead of having to edit include/xen/lib.h for making debugtrace
available make it configurable via Kconfig.
Default is off, it is available only in expert mode or in debug builds.
Signed-off-by: Juergen Gross <jgr...@suse.com>
Acked-by: Jan Beulich <jbeul...@suse.com>
---
xen/Kconfig.debug | 7 +++++++
xen/drivers/char/console.c | 2 +-
xen/include/xen/lib.h | 3 +--
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/xen/Kconfig.debug b/xen/Kconfig.debug
index 4d5d7f87cb..daacf85141 100644
--- a/xen/Kconfig.debug
+++ b/xen/Kconfig.debug
@@ -98,6 +98,13 @@ config UBSAN
If unsure, say N here.
+config DEBUG_TRACE
+ bool "Debug trace support"
+ ---help---
+ Debug trace enables to record debug trace messages which are printed
+ either directly to the console or are printed to console in case of
+ a system crash.
+
endif # DEBUG || EXPERT
endmenu
diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
index 4315588f05..41ec13ce52 100644
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -1157,7 +1157,7 @@ int printk_ratelimit(void)
* **************************************************************
*/
-#ifdef DEBUG_TRACE_DUMP
+#ifdef CONFIG_DEBUG_TRACE
/* Send output direct to console, or buffer it? */
static volatile int debugtrace_send_to_console;
diff --git a/xen/include/xen/lib.h b/xen/include/xen/lib.h
index 89939f43c8..e0b7bcb6b7 100644
--- a/xen/include/xen/lib.h
+++ b/xen/include/xen/lib.h
@@ -86,8 +86,7 @@ int parse_boolean(const char *name, const char *s, const char
*e);
*/
int cmdline_strcmp(const char *frag, const char *name);
-/*#define DEBUG_TRACE_DUMP*/
-#ifdef DEBUG_TRACE_DUMP
+#ifdef CONFIG_DEBUG_TRACE
extern void debugtrace_dump(void);
extern void debugtrace_printk(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
--
2.16.4
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