On Wed, 2013-06-05 at 16:41 +0100, David Laight wrote:
> > ptep = pte_offset_kernel(&pmd, addr);
> > do {
> > - pte_t pte = *ptep;
> > + pte_t pte = ACCESS_ONCE(*ptep);
>
> Why not just define ptep as a 'pointer to volatile'?ACCESS_ONCE is the proper way to do it in Linux. pointer to volatile can have ... interesting semantics. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
