On Wed, Apr 29, 2015 at 12:50:40PM -0700, Luis R. Rodriguez wrote: > On Tue, Apr 21, 2015 at 1:46 PM, Luis R. Rodriguez > <mcgrof@xxxxxxxxxxxxxxxx> wrote: > > From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx> > > > > If and when this gets enabled the driver could should split > > up IO memory space properly and that is quite a bit of work. > > Just remove the uncommented dead MTRR code then. > > > > There are a few motivations for this: > > > > a) Take advantage of PAT when available > > > > b) Help bury MTRR code away, MTRR is architecture specific and on > > x86 its replaced by PAT > > > > c) Help with the goal of eventually using _PAGE_CACHE_UC over > > _PAGE_CACHE_UC_MINUS on x86 on ioremap_nocache() (see commit > > de33c442e titled "x86 PAT: fix performance drop for glx, > > use UC minus for ioremap(), ioremap_nocache() and > > pci_mmap_page_range()") > > Hey folks, who's tree should this go through if agreeable? Hey folks, can this be applied? Thanks. Luis -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html