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authorJoe Perches <joe@perches.com>2016-09-25 19:18:34 -0700
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-10-04 08:23:14 +0200
commit6bd488db80a4264669a7d612a1be1a91cb941cf6 (patch)
tree1929c0eea0eda1fd54e43a3623b0bb662c27a528
parent8cadab0a2adc612692c7ad8a176881732fa25e2a (diff)
downloadlinux-6bd488db80a4264669a7d612a1be1a91cb941cf6.tar.bz2
drm: Simplify drm_printk to reduce object size quite a bit
Remove function name and special " *ERROR*" from argument list $ size drivers/gpu/drm/built-in.o* (x86-32 defconfig, most drm selected) text data bss dec hex filename 5635366 182579 14328 5832273 58fe51 drivers/gpu/drm/built-in.o.new 5779552 182579 14328 5976459 5b318b drivers/gpu/drm/built-in.o.old Using "%ps", __builtin_return_address(0) is the same as "%s", __func__ except for static inlines, but it's more or less the same output. Miscellanea: o Convert args... to ##__VA_ARGS__ o The equivalent DRM_DEV_<FOO> macros are rarely used and not worth conversion Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/01f976d5ab93c985756fc1b2e83656fb0a2a28c8.1474856262.git.joe@perches.com
-rw-r--r--drivers/gpu/drm/drm_drv.c5
-rw-r--r--include/drm/drmP.h30
2 files changed, 17 insertions, 18 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 80c7f25b5b74..6efdba4993fc 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -89,7 +89,6 @@ void drm_dev_printk(const struct device *dev, const char *level,
EXPORT_SYMBOL(drm_dev_printk);
void drm_printk(const char *level, unsigned int category,
- const char *function_name, const char *prefix,
const char *format, ...)
{
struct va_format vaf;
@@ -102,7 +101,9 @@ void drm_printk(const char *level, unsigned int category,
vaf.fmt = format;
vaf.va = &args;
- printk("%s" DRM_PRINTK_FMT, level, function_name, prefix, &vaf);
+ printk("%s" "[" DRM_NAME ":%ps]%s %pV",
+ level, __builtin_return_address(0),
+ strcmp(level, KERN_ERR) == 0 ? " *ERROR*" : "", &vaf);
va_end(args);
}
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 289207f12adb..0e99669159c1 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -141,9 +141,8 @@ void drm_dev_printk(const struct device *dev, const char *level,
unsigned int category, const char *function_name,
const char *prefix, const char *format, ...);
-extern __printf(5, 6)
+extern __printf(3, 4)
void drm_printk(const char *level, unsigned int category,
- const char *function_name, const char *prefix,
const char *format, ...);
/***********************************************************************/
@@ -199,8 +198,7 @@ void drm_printk(const char *level, unsigned int category,
drm_dev_printk(dev, KERN_ERR, DRM_UT_NONE, __func__, " *ERROR*",\
fmt, ##__VA_ARGS__)
#define DRM_ERROR(fmt, ...) \
- drm_printk(KERN_ERR, DRM_UT_NONE, __func__, " *ERROR*", fmt, \
- ##__VA_ARGS__)
+ drm_printk(KERN_ERR, DRM_UT_NONE, fmt, ##__VA_ARGS__)
/**
* Rate limited error output. Like DRM_ERROR() but won't flood the log.
@@ -242,38 +240,38 @@ void drm_printk(const char *level, unsigned int category,
#define DRM_DEV_DEBUG(dev, fmt, args...) \
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_CORE, __func__, "", fmt, \
##args)
-#define DRM_DEBUG(fmt, args...) \
- drm_printk(KERN_DEBUG, DRM_UT_CORE, __func__, "", fmt, ##args)
+#define DRM_DEBUG(fmt, ...) \
+ drm_printk(KERN_DEBUG, DRM_UT_CORE, fmt, ##__VA_ARGS__)
#define DRM_DEV_DEBUG_DRIVER(dev, fmt, args...) \
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_DRIVER, __func__, "", \
fmt, ##args)
-#define DRM_DEBUG_DRIVER(fmt, args...) \
- drm_printk(KERN_DEBUG, DRM_UT_DRIVER, __func__, "", fmt, ##args)
+#define DRM_DEBUG_DRIVER(fmt, ...) \
+ drm_printk(KERN_DEBUG, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
#define DRM_DEV_DEBUG_KMS(dev, fmt, args...) \
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_KMS, __func__, "", fmt, \
##args)
-#define DRM_DEBUG_KMS(fmt, args...) \
- drm_printk(KERN_DEBUG, DRM_UT_KMS, __func__, "", fmt, ##args)
+#define DRM_DEBUG_KMS(fmt, ...) \
+ drm_printk(KERN_DEBUG, DRM_UT_KMS, fmt, ##__VA_ARGS__)
#define DRM_DEV_DEBUG_PRIME(dev, fmt, args...) \
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_PRIME, __func__, "", \
fmt, ##args)
-#define DRM_DEBUG_PRIME(fmt, args...) \
- drm_printk(KERN_DEBUG, DRM_UT_PRIME, __func__, "", fmt, ##args)
+#define DRM_DEBUG_PRIME(fmt, ...) \
+ drm_printk(KERN_DEBUG, DRM_UT_PRIME, fmt, ##__VA_ARGS__)
#define DRM_DEV_DEBUG_ATOMIC(dev, fmt, args...) \
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_ATOMIC, __func__, "", \
fmt, ##args)
-#define DRM_DEBUG_ATOMIC(fmt, args...) \
- drm_printk(KERN_DEBUG, DRM_UT_ATOMIC, __func__, "", fmt, ##args)
+#define DRM_DEBUG_ATOMIC(fmt, ...) \
+ drm_printk(KERN_DEBUG, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
#define DRM_DEV_DEBUG_VBL(dev, fmt, args...) \
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_VBL, __func__, "", fmt, \
##args)
-#define DRM_DEBUG_VBL(fmt, args...) \
- drm_printk(KERN_DEBUG, DRM_UT_VBL, __func__, "", fmt, ##args)
+#define DRM_DEBUG_VBL(fmt, ...) \
+ drm_printk(KERN_DEBUG, DRM_UT_VBL, fmt, ##__VA_ARGS__)
#define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, level, fmt, args...) \
({ \