On Mon, Aug 24, 2020 at 5:30 PM 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. > > Signed-off-by: H.J. Lu <hjl.tools@xxxxxxxxx> > Signed-off-by: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> > Acked-by: Andy Lutomirski <luto@xxxxxxxxxx> I revoke my Ack. Please don't repeat the list of object files. Maybe add the option to CFL? --Andy
