> The patch only implements it for "server/classic" processors, not BookE,
> thus it should probably only advertise it for these :-)
>
> Though it wouldn't be too hard to implement it for BookE using DBCR0:BRT
> (Branch Taken debug event) though it might need some careful fixups such
> as the one we have for single step regarding hitting exception entry
> code.

In that case, this code seems fairly mysterious:

> > +#if defined(CONFIG_40x) || defined(CONFIG_BOOKE)
> > +           task->thread.dbcr0 = DBCR0_IDM | DBCR0_BT;
> > +           regs->msr |= MSR_DE;

That doesn't already do whatever it is you described?

Can we assume now that you or someone else who knows what all that means
will take this up?


Thanks,
Roland
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