Messages in this thread | | | Date | Tue, 19 May 2015 22:27:32 +0200 | From | "Luis R. Rodriguez" <> | Subject | Re: [PATCH v3] fusion: remove dead MTRR code |
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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@do-not-panic.com> wrote: > > From: "Luis R. Rodriguez" <mcgrof@suse.com> > > > > 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
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