Re: perf: weird si_code results on overflow signal

From: Vince Weaver
Date: Tue Sep 19 2017 - 07:40:41 EST

On Wed, 13 Sep 2017, Vince Weaver wrote:

> I just compiled up a fresh git kernel and all of the perf_event_test
> overflow tests are failing.
> The reason is that instead of getting POLL_IN or POLL_HUP sources as
> expected, they are getting weird results in si_code of "-5".
> I haven't had time to bisect this, but I do notice that some major changes
> to si_code handling went in with
> 64a76d0d64bea159da997c002a916ffc03f98bfc

resending in case everyone was away at plumbers...