Am Mittwoch, 24. Februar 2010 22:12:34 schrieb Benjamin Herrenschmidt: > On Wed, 2010-02-24 at 08:16 +0100, Oliver Neukum wrote: > > I don't know. The issue seems quite complex. It would seem better to > > centralize it as far as practical. Do you have a wrapper drivers could > > call? > > flush_dcache_page() ? :-) Will this do anything on arches that don't need it? Secondly, can we have a wrapper that you can pass a pointer and an offset? > Now, the subsystem might be the one to know whether something is mapped > into userspace or not (v4l in our case) in which case a wrapper could be > created. If possible, I'd like to centralize this. Drivers are likely to get this wrong. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
