[Mesa-dev] [PATCH] util/ralloc: Remove double zero'ing of rzalloc buffers

[Kenneth Graunke]

On Monday, February 1, 2016 10:50:31 AM PST Juha-Pekka Heikkila wrote:
> On 23.01.2016 01:22, Nicolai Hähnle wrote:
> > On 22.01.2016 16:02, Kenneth Graunke wrote:
> >> On Friday, January 22, 2016 12:09:18 PM PST Nicolai Hähnle wrote:
> >>> On 22.01.2016 02:53, Jordan Justen wrote:
> >>>> Juha-Pekka found this back in May 2015:
> >>>> <1430915727-28677-1-git-send-email-juhapekka.heikkila at gmail.com>
> >>>> 
> >>>>   From the discussion, obviously it would be preferable to make
> >>>> 
> >>>> ralloc_size no longer return zeroed memory, but Juha-Pekka found that
> >>>> it would break Mesa.
> 
> Hi, just to comment here. I did make set of patches which fixed all the
> breaking places for Mesa. Tapani then pointed the problem I can only
> test my patches on Intel HW, more so I have only SNB and IVB on my desk.
> 
> Making real fix here would be source of all kind of really nasty bugs on
> different HW for some time to come thus I dropped the ball on the fixes.
> In the end for Mesa on Intel HW there was not so much to fix but to find
> all the correct places to fix require running lot of Valgrind.
> 
> I seem to have missed the patch where I was cc'd, sorry about that.
> 
> /Juha-Pekka

I don't recall seeing those patches on the mailing list...did I just
miss them?  Or, are you planning to send them out?

--Ken
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