Re: LTS perf unwind fix

[Rantala, Tommi T. (Nokia - FI/Espoo)]

2021-05-25 15:06 +0200, gregkh@xxxxxxxxxxxxxxxxxxx:
> On Tue, May 25, 2021 at 12:41:15PM +0000, Rantala, Tommi T. (Nokia -
> FI/Espoo) wrote:
> > Can you please cherry-pick this to LTS:
> > 
> > commit bf53fc6b5f415cddc7118091cb8fd6a211b2320d
> > Author: Jan Kratochvil <jan.kratochvil@xxxxxxxxxx>
> > Date:   Fri Dec 4 09:17:02 2020 -0300
> > 
> >     perf unwind: Fix separate debug info files when using elfutils'
> > libdw's unwinder
> 
> What exact kernel(s) do you want it backported to?

5.4.y please, tested Jan's and Dave's patches with it, and they cure
some broken backtraces.


  commit 4e1481445407b86a483616c4542ffdc810efb680
  Author: Dave Rigby <d.rigby@xxxxxx>
  Date:   Thu Feb 18 16:56:54 2021 +0000

    perf unwind: Set userdata for all __report_module() paths