On Mon, May 04, 2015 at 02:23:03PM +0200, Borislav Petkov wrote: > On Wed, Apr 29, 2015 at 02:44:07PM -0700, Luis R. Rodriguez wrote: > > From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx> > > > > As part of the effort to phase out MTRR use document > > write-combining MTRR effects on pages with different > > non-PAT page attributes flags and different PAT entry > > values. Extend arch_phys_wc_add() documentation to > > clarify power of two sizes / boundary requirements as > > we phase out mtrr_add() use. > > > > Lastly hint towards ioremap_uc() for corner cases on > > device drivers working with devices with mixed regions > > where MTRR size requirements would otherwise not > > enable write-combining effective memory types. > > > > Cc: Toshi Kani <toshi.kani@xxxxxx> > > Cc: Jonathan Corbet <corbet@xxxxxxx> > > Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > > Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx> > > 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: 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> > > --- > > Documentation/x86/mtrr.txt | 18 +++++++++++++++--- > > Documentation/x86/pat.txt | 40 +++++++++++++++++++++++++++++++++++++++- > > arch/x86/kernel/cpu/mtrr/main.c | 3 +++ > > 3 files changed, 57 insertions(+), 4 deletions(-) > > > > diff --git a/Documentation/x86/mtrr.txt b/Documentation/x86/mtrr.txt > > index cc071dc..a111a6c 100644 > > --- a/Documentation/x86/mtrr.txt > > +++ b/Documentation/x86/mtrr.txt > > @@ -1,7 +1,19 @@ > > MTRR (Memory Type Range Register) control > > -3 Jun 1999 > > -Richard Gooch > > -<rgooch@xxxxxxxxxxxxx> > > + > > +Richard Gooch <rgooch@xxxxxxxxxxxxx> - 3 Jun 1999 > > +Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx> - April 9, 2015 > > + > > +=============================================================================== > > +Phasing MTRR use > > "Phasing out...". Fixed all, will send another version. 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