[Intel-gfx] [PATCH] drm/i915: move i915_trace_irq_get() out of the tracing macro

[Chris Wilson]

On Fri, Jun 21, 2013 at 12:15:53PM +0200, Sebastian Andrzej Siewior wrote:
> There is a report on RT about "BUG: scheduling while atomic" because the
> sleeping lock is taken in tracing context. This patch simply moves
> locking operation out of the tracing macro.

No. This enables the IRQ, as well as making a number of
very expensively serialised read, unconditionally.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre