Re: [PATCH v2 0/5] perf, bts: Fallout from the fuzzer for perf/urgent

From: Alexander Shishkin
Date: Wed Sep 07 2016 - 11:20:51 EST


Ingo Molnar <mingo@xxxxxxxxxx> writes:

> * Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> wrote:
>
>> Hi,
>>
>> There were more bugs since the previous version, plus the BTS barriers got
>> fixed. With these patches, my testcase keeps running and no spurious NMI
>> warnings pop up any more.
>
> Could you please also run the fuzzer that Vince uses, does it now pass on hardware
> you have access to?

Sure. And yes, I did catch a warning, which calls for one more patch
(below). Also one unrelated thing in PEBS that Peter fixed.

> I'd like to make "passes the fuzzer" a standard requirement before new changes are
> accepted to perf core.

Let's make it so.

For the sake of consistency, this one needs to go before 3/5. I'll
re-send the whole series, though, if need be. I've got 2 perf_fuzzers
running on this meanwhile.