[Intel-gfx] [PATCH] Another flavour of for_each_engine_masked()

[Chris Wilson]

On Thu, Sep 01, 2016 at 03:17:44PM +0100, Dave Gordon wrote:
> This macro was recently updated to skip testing for non-existent or
> uninteresting engines by using ffs() to directly find the next engine of
> interest. However, it required the introduction of a caller-provided
> temporary variable, which some people regard as inelegant. So, this
> patch provides another variant, which still uses the fast-skip mechanism
> but without requiring the temporary, for the cost of a slight increase
> in code size (~20 bytes per callsite).

Slight? Next.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre