Messages in this thread | | | From | Andy Lutomirski <> | Date | Wed, 10 Sep 2014 11:30:40 -0700 | Subject | Re: [PATCH v2 6/6] x86, pat: Update documentation for WT changes |
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On Wed, Sep 10, 2014 at 9:51 AM, Toshi Kani <toshi.kani@hp.com> wrote: > +Drivers may map the entire NV-DIMM range with ioremap_cache and then change > +a specific range to wt with set_memory_wt.
That's mighty specific :)
It's also not all that informative. Are you supposed to set the memory back before iounmapping? Can you do this with set_memory_wc on an uncached mapping?
--Andy
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