[PATCH 0/8] 8xx: Misc fixes for buggy insn

Joakim Tjernlund joakim.tjernlund at transmode.com
Thu Nov 12 20:10:30 EST 2009


Scott Wood <scottwood at freescale.com> wrote on 11/11/2009 16:26:53:
>
> On Wed, Nov 11, 2009 at 01:06:10AM +0100, Joakim Tjernlund wrote:
> > Scott Wood <scottwood at freescale.com> wrote on 11/11/2009 00:21:18:
> > > Where would you put the dcbi?  How do you regain control after that
> > > cache line has been refilled, but before code flows back to the bad branch?
> >
> > The dcbi would replace the current CPU15 tlbie.
>
> But that only works if you take an ITLB miss at the right time.

Yeah, I misread the CPU15 errata so my ideas will not work.

Anyhow, will you send a patch that make TLB pinning mandatory?
After that my series can go in.

        Jocke



More information about the Linuxppc-dev mailing list