On Wed, Feb 10, 2021 at 08:49:56PM +0000, Ken Moffat wrote:
> > 
> > Looks like I need to change the Frame pointer unwinder to the
> > ORC unwinder to have the same config as you.
> > 
> 
> The benefits of the ORC unwinder are mentioned at
> https://www.kernel.org/doc/html/latest/x86/orc-unwinder.html
> 
> It has been around for quite some time, but I probably picked it
> up when it first appeared (test an -rc kernel, pick up new options
> which might be useful).  I guess that old configs from before its
> introduction still default to the old unwinder.
> 
In fact it caused trouble about 3 years ago, there are links to the
-dev archive from around January 2018 when elfutils was still in
BLFS, and at that time LFS had to use the frame pointer.  So when
libelf arrived in LFS I started to use it (or use it again, not sure
which).

ĸen
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