Re: [RFC PATCH 4/5] selftest/x86: Fix sysret_rip with ENDBR

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On Thu, 2020-05-21 at 23:34 +0200, Thomas Gleixner wrote:
> Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> writes:
> 
> > Insert endbr64 to assembly code of sysret_rip.
> 
> This changelog explains what the patch does, but not the WHY. It also
> lacks any information why this is harmless for !CET enabled systems.
> 
> > Signed-off-by: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx>
> > ---
> 
> Please consult Dave Hansen about the void between your Signed-off-by
> and the '---' line.
> 
> Thanks,
> 
>         tglx

Thanks!  I will work on it.

Yu-cheng




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