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drm/i915: Redefine WARN_ON to include the condition 

When looking at the bug report logs with triggered
WARN_ON, the person doing bug triaging will have to
find exact kernel source and match file/line.

Attach the condition that triggered the WARN_ON
to kernel log. In most cases the context is self
evident and this way we can save developer time.

The drawback is ~16kbytes bigger i915.ko

Signed-off-by: Mika Kuoppala <miku@iki.fi>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2014-10-28 17:32:30 +02:00 committed by Daniel Vetter
parent 49e6bc51bc
commit c883ef1b1c
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_drv.h
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@ -57,6 +57,9 @@
#define DRIVER_DESC "Intel Graphics"
#define DRIVER_DATE "20141024"
#undef WARN_ON
#define WARN_ON(x) WARN(x, "WARN_ON(" #x ")")
enum pipe {
INVALID_PIPE = -1,
PIPE_A = 0,