On Thu, May 27, 2021 at 10:04:51AM +0000, Rantala, Tommi T. (Nokia - FI/Espoo) wrote:
> Hi Greg,
>
> Please apply these two commits to 5.4.y
> (other LTSes are probably fine too, but I didn't test):
>
>
> 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
>
>
> 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
>
> [...]
>
> Fixes: bf53fc6b5f41 ("perf unwind: Fix separate debug info files
> when using elfutils' libdw's unwinder")
>
>
> These commits fix some broken backtraces when using the perf tool.
Also queued up for the 5.10.y tree as you do not want to move to a newer
kernel and have a regression.
thanks,
greg k-h
