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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-06-01 12:49:16 +0400
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-06-01 12:52:54 +0400
commite269f90f3d3f7c70cf661c660bf445597261f54a (patch)
treef09685517e9efa7d675dad8fd13694157ce50521 /include/linux/dynamic_debug.h
parent112abd291db7d47974f166e742104d761bc76977 (diff)
parent63bc620b45af8c743ac291c8725933278c712692 (diff)
downloadlinux-e269f90f3d3f7c70cf661c660bf445597261f54a.tar.xz
Merge remote-tracking branch 'airlied/drm-prime-vmap' into drm-intel-next-queued
We need the latest dma-buf code from Dave Airlie so that we can pimp the backing storage handling code in drm/i915 with Chris Wilson's unbound tracking and stolen mem backed gem object code. Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/linux/dynamic_debug.h')
-rw-r--r--include/linux/dynamic_debug.h22
1 files changed, 20 insertions, 2 deletions
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index 7e3c53a900d8..c18257b0fa72 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -17,8 +17,8 @@ struct _ddebug {
const char *format;
unsigned int lineno:18;
/*
- * The flags field controls the behaviour at the callsite.
- * The bits here are changed dynamically when the user
+ * The flags field controls the behaviour at the callsite.
+ * The bits here are changed dynamically when the user
* writes commands to <debugfs>/dynamic_debug/control
*/
#define _DPRINTK_FLAGS_NONE 0
@@ -44,6 +44,9 @@ extern int ddebug_remove_module(const char *mod_name);
extern __printf(2, 3)
int __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...);
+extern int ddebug_dyndbg_module_param_cb(char *param, char *val,
+ const char *modname);
+
struct device;
extern __printf(3, 4)
@@ -94,11 +97,26 @@ do { \
#else
+#include <linux/string.h>
+#include <linux/errno.h>
+
static inline int ddebug_remove_module(const char *mod)
{
return 0;
}
+static inline int ddebug_dyndbg_module_param_cb(char *param, char *val,
+ const char *modname)
+{
+ if (strstr(param, "dyndbg")) {
+ /* avoid pr_warn(), which wants pr_fmt() fully defined */
+ printk(KERN_WARNING "dyndbg param is supported only in "
+ "CONFIG_DYNAMIC_DEBUG builds\n");
+ return 0; /* allow and ignore */
+ }
+ return -EINVAL;
+}
+
#define dynamic_pr_debug(fmt, ...) \
do { if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); } while (0)
#define dynamic_dev_dbg(dev, fmt, ...) \