RE: rdhi, rdlo and rm must all be different: say what??

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Hi Dave,

> Subject: Re: rdhi, rdlo and rm must all be different: say what??
> 
> On Thursday 13 March 2008, Felipe Balbi wrote:
> > >   sched_clock:
> > >   16:     umull   r0, r1, r0, r3  @ tmp136, jiffies.371, tmp137
> > >
> > >   sched_slice:
> > >           ...
> > >   1243:   umull   r0, r1, r0, r2  @ slice.2262, slice,
> > > <variable>.load.weight

Thanks for digging into that.  I noticed it recently also on some builds.  

Maybe this umull comes from do_div() which has some inline assembly for this.  I recall that in used in sched_clock.  The inline asm might need a tweak.

Regards,
Richard W.

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