[Intel-gfx] [PATCH igt v3] igt/gem_busy: Replace arbitrary busy batch with indefinite spinbatch

[Joonas Lahtinen]

On Sat, 2017-12-02 at 08:47 +0000, Chris Wilson wrote:
> In CI, we were observing situations where the busy blt would complete
> before the very next instruction (in userspace) to assert that it was
> busy. This is entirely possible if the process was scheduled away and
> slept for longer than the arbitrary batch. Instead replace arbitrariness
> with a precise infinity.
> 
> v2: Be respectful to UP!
> v3: Move spinbatch to owning process to avoid serialisation delays.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103829
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Even the variable names were good.

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation