Re: [PATCH 3/4] dma-fence: Refactor signaling for manual invocation

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Quoting Koenig, Christian (2019-08-12 15:50:59)
> Am 12.08.19 um 16:43 schrieb Chris Wilson:
> > Quoting Koenig, Christian (2019-08-12 15:34:32)
> >> Am 10.08.19 um 17:34 schrieb Chris Wilson:
> >>> Move the duplicated code within dma-fence.c into the header for wider
> >>> reuse. In the process apply a small micro-optimisation to only prune the
> >>> fence->cb_list once rather than use list_del on every entry.
> >>>
> >>> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> >>> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> >>> ---
> >>>    drivers/dma-buf/Makefile                    |  10 +-
> >>>    drivers/dma-buf/dma-fence-trace.c           |  28 +++
> >>>    drivers/dma-buf/dma-fence.c                 |  33 +--
> >>>    drivers/gpu/drm/i915/gt/intel_breadcrumbs.c |  32 +--
> >>>    include/linux/dma-fence-impl.h              |  83 +++++++
> >>>    include/linux/dma-fence-types.h             | 258 ++++++++++++++++++++
> >>>    include/linux/dma-fence.h                   | 228 +----------------
> >> Mhm, I don't really see the value in creating more header files.
> >>
> >> Especially I'm pretty sure that the types should stay in dma-fence.h
> > iirc, when I included the trace.h from dma-fence.h or dma-fence-impl.h
> > without separating the types, amdgpu failed to compile (which is more
> > than likely to be simply due to be first drm in the list to compile).
> 
> Ah, but why do you want to include trace.h in a header in the first place?
> 
> That's usually not something I would recommend either.

The problem is that we do emit a tracepoint as part of the sequence I
want to put into the reusable chunk of code.
-Chris
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