On Mon, Jul 6, 2015 at 5:44 PM, Luis R. Rodriguez <mcgrof@xxxxxxxx> wrote: > If we really wanted to we could consider arch_phys_wc_add() I mean adding a __arch_phys_wc_add() which does not check for pat_enabled(). > and > deal with that this will not check for pat_enabled() and forces MTRR... > I think Andy Luto won't like that very much though ? I at least don't > like it since we did all this work to finally leave only 1 piece of > code with direct MTRR access... Seems a bit sad. Since ipath will > be removed we'd have only ivtv driver using this API, I am not sure if > its worth it. Since ipath is going away soon we'd just have one driver with the icky #ifdef code. I'd rather see that and then require semantics / grammer rules to require ioremap_wc() when used with arch_phys_wc_add(). I don't think ivtv is worth to consider breaking the semantics and requirements. > Thoughts? Luis -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html