[igt-dev] [PATCH] [PATCH i-g-t]test/i915/gem_pipe_control_store_loop: Removal of test

Chris Wilson chris at chris-wilson.co.uk
Thu Feb 20 09:04:17 UTC 2020


Quoting Kumar, Ranjeet1 (2020-02-20 08:50:42)
> Hi Chris , 
> 
> This OUT_RELLOC instruction are covered in gem_exec_bad_domains, gem_write_read_ring_switch test too. 
>  I tried replacing OUT_RELLOC with OUT_RELLOC_FENCED and successfully tests got passed. 

The test is a regression test developed because we found a bug in the
kernel that was not being exercised (a race condition during retire). We
need to be certain that we retain such coverage. E.g. if we were to
reintroduce such a bug, would CI pick it up? [Always a useful exercise
to determine the efficacy of CI.]
-Chris


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