[Intel-gfx] [RFC] algorithm for handling bad cachelines

Chris Wilson chris at chris-wilson.co.uk
Tue Mar 27 16:34:53 CEST 2012


On Tue, 27 Mar 2012 07:19:43 -0700, Ben Widawsky <ben at bwidawsk.net> wrote:
> Any feedback is highly appreciated. I couldn't really find much
> precedent for doing this in other drivers, so pointers to similar
> things would also be highly welcome.

badblocks and badram (memmap) both seem to be similar situations. A
comma-separated list works when the number is quite small, otherwise an
ioctl. Of course that requires us to be able to reprogram the cache on
the fly.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



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