On Wed, 2016-11-16 at 15:35 +1100, Benjamin Herrenschmidt wrote:
> On Wed, 2016-11-16 at 15:18 +1100, Michael Neuling wrote:
> > + asm volatile("isync \n"
> > + PPC_SLBIA(0x7)
> > + : : :"memory");
> > return;
> > }
> >
>
> We probably don't need the isync's
Yep, testing confirms that too. I'll resend.
Thanks,
Mikey
>
> > @@ -83,6 +87,10 @@ static inline void _tlbiel_va(unsigned long va,
> > unsigned long pid,
> > asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1)
> > : : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(rs)
> > : "memory");
> > asm volatile("ptesync": : :"memory");
> > + if (cpu_has_feature(CPU_FTR_POWER9_DD1))
> > + asm volatile("isync \n"
> > + PPC_SLBIA(0x7)
> > + : : :"memory");
> > }
>
>
