Re: [PATCH v2 4/5] x86/bpf: Fix 64-bit JIT frame pointer usage

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On Fri, Jun 14, 2019 at 2:19 PM Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
>
> On Fri, Jun 14, 2019 at 02:05:56PM -0700, Alexei Starovoitov wrote:
> > Have you tested it ?
> > I really doubt, since in my test both CONFIG_UNWINDER_ORC and
> > CONFIG_UNWINDER_FRAME_POINTER failed to unwind through such odd frame.
>
> Hm, are you seeing selftest failures?  They seem to work for me.
>
> > Here is much simple patch that I mentioned in the email yesterday,
> > but you failed to listen instead of focusing on perceived 'code readability'.
> >
> > It makes one proper frame and both frame and orc unwinders are happy.
>
> I'm on my way out the door and I just skimmed it, but it looks fine.
>
> Some of the code and patch description look familiar, please be sure to
> give me proper credit.

credit means something positive.
your contribution to bpf jit fix was negative.
I'm going to rewrite the fix from relying on patch 3.



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