On Wed, May 20, 2015 at 2:02 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > On Tue, Apr 21, 2015 at 01:20:31PM -0700, Luis R. Rodriguez wrote: >> From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx> >> >> This lets drivers take advantage of PAT when available. This >> should help with the transition of converting video drivers over >> to ioremap_wc() to help with the goal of eventually using >> _PAGE_CACHE_UC over _PAGE_CACHE_UC_MINUS on x86 on >> ioremap_nocache() (de33c442e titled "x86 PAT: fix performance >> drop for glx, use UC minus for ioremap(), ioremap_nocache() and >> pci_mmap_page_range()") >> >> Cc: Toshi Kani <toshi.kani@xxxxxx> >> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> >> Cc: Suresh Siddha <sbsiddha@xxxxxxxxx> >> Cc: Ingo Molnar <mingo@xxxxxxx> >> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> >> Cc: Juergen Gross <jgross@xxxxxxxx> >> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> >> Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx> >> Cc: Dave Airlie <airlied@xxxxxxxxxx> >> Cc: Antonino Daplas <adaplas@xxxxxxxxx> >> Cc: Jean-Christophe Plagniol-Villard <plagnioj@xxxxxxxxxxxx> >> Cc: Tomi Valkeinen <tomi.valkeinen@xxxxxx> >> Cc: Ville Syrjälä <syrjala@xxxxxx> >> Cc: Mel Gorman <mgorman@xxxxxxx> >> Cc: Vlastimil Babka <vbabka@xxxxxxx> >> Cc: Borislav Petkov <bp@xxxxxxx> >> Cc: Davidlohr Bueso <dbueso@xxxxxxx> >> Cc: linux-fbdev@xxxxxxxxxxxxxxx >> Cc: linux-kernel@xxxxxxxxxxxxxxx >> Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxx> > > I don't have any objection to this, and I can apply the follow-on patches > as well, given the appropriate acks and prerequisite patches (ioremap_wc() > implementation). OK great, ioremap_wc() has been upstream for a long time. So I'll wait for Tomi's review of the fbdev changes. Once I get those I can resend in a series bundled together with the other pending pci / fbdev changes we just discussed to make things clear. Luis -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
