Message ID | 20171016152623.1177-1-mika.kuoppala@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Mon, 2017-10-16 at 18:26 +0300, Mika Kuoppala wrote: > It is easier to categorize and debug bugs if the failed condition > is in plain sight in the actual dmesg output. Make it so. > > Cc: Chris Wilson <chris@chris-wilson.co.uk> > Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> > Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> <SNIP> That's one off my TODO list. This would make life easier for CI people. > @@ -28,7 +28,10 @@ > #include <linux/bug.h> > > #ifdef CONFIG_DRM_I915_DEBUG_GEM > -#define GEM_BUG_ON(expr) BUG_ON(expr) > +#define GEM_BUG_ON(condition) do { if (unlikely(condition)) { \ > + printk(KERN_ERR "GEM_BUG: %s\n", __stringify(condition)); BUG(); \ > + } \ > + } while(0) To keep style consistent with WARN_ON make it; printk(KERN_ERR "GEM_BUG_ON(%s)\n", __stringify(condition)) Then, this is; Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Regards, Joonas
diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h index ee54597465b6..37ddc3f1f194 100644 --- a/drivers/gpu/drm/i915/i915_gem.h +++ b/drivers/gpu/drm/i915/i915_gem.h @@ -28,7 +28,10 @@ #include <linux/bug.h> #ifdef CONFIG_DRM_I915_DEBUG_GEM -#define GEM_BUG_ON(expr) BUG_ON(expr) +#define GEM_BUG_ON(condition) do { if (unlikely(condition)) { \ + printk(KERN_ERR "GEM_BUG: %s\n", __stringify(condition)); BUG(); \ + } \ + } while(0) #define GEM_WARN_ON(expr) WARN_ON(expr) #define GEM_DEBUG_DECL(var) var
It is easier to categorize and debug bugs if the failed condition is in plain sight in the actual dmesg output. Make it so. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> --- drivers/gpu/drm/i915/i915_gem.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)