On Fri, Sep 25, 2020 at 7:58 AM Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> wrote: > > From: "H.J. Lu" <hjl.tools@xxxxxxxxx> > > When Indirect Branch Tracking (IBT) is enabled, vDSO functions may be > called indirectly, and must have ENDBR32 or ENDBR64 as the first > instruction. The compiler must support -fcf-protection=branch so that it > can be used to compile vDSO. Acked-by: Andy Lutomirski <luto@xxxxxxxxxx>
