On Wed, Mar 22, 2017 at 08:54:21AM +0100, Martin Husemann wrote: > On Wed, Mar 22, 2017 at 04:35:21PM +0900, Masanobu SAITOH wrote: > > So what should we do? > > > > A) modify pci_mapreg_map(). Stop setting BUS_SPACE_MAP_PREFETCHABLE > > by defalut when prefetchable bit is set. If a driver really know > > the whole area of the BAR is prefetchable, set > > BUS_SPACE_MAP_PREFETCHABLE > > in the 4th argument(busflags) of pci_mapreg_map(). pci_mapreg_map() > > check for both the 4th argument and the prefetchable bit, it sets > > BUS_SPACE_MAP_PREFETCHABLE only when both bits are set. > [..] > > I prefer A. > > This gets my vote too.
Same here. -- Manuel Bouyer <bou...@antioche.eu.org> NetBSD: 26 ans d'experience feront toujours la difference --