Re: [PATCH v2] LoongArch: rethook: Do not restore percpu base register in trampoline
From: Wentao Guan
Date: Mon Aug 24 2026 - 05:53:15 EST
> > ---
> > changelog v2:
> > according sashiko report, keep cfi_st u0, PT_R21
> > Link: https://sashiko.dev/#/patchset/20260824082524.3801394-1-guanwentao%40uniontech.com
> I don't think AI is correct here, if "leaking" a random stack value is
> unacceptable, then "leaking" $r21 is better?
Right, in the place are secret to unprivileged users, so delete the pair is tidy.
BRs
Wentao Guan