mirror of https://gitee.com/openkylin/linux.git
drm/i915: Repeat the GEM_BUG_ON message in the ftrace log
As the ftrace log is overflowing the pstore capture, we lose the last gasps from dmesg which includes the GEM_BUG_ON function:line and condition that failed. Vital information for tracking down the bug, so append it to the frace log as well. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180227211816.5546-1-chris@chris-wilson.co.uk
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@ -29,7 +29,10 @@
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#ifdef CONFIG_DRM_I915_DEBUG_GEM
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#define GEM_BUG_ON(condition) do { if (unlikely((condition))) { \
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printk(KERN_ERR "GEM_BUG_ON(%s)\n", __stringify(condition)); \
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pr_err("%s:%d GEM_BUG_ON(%s)\n", \
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__func__, __LINE__, __stringify(condition)); \
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GEM_TRACE("%s:%d GEM_BUG_ON(%s)\n", \
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__func__, __LINE__, __stringify(condition)); \
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BUG(); \
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} \
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} while(0)
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