svn commit: r290130 - head/sys/dev/ntb/ntb_hw

[Conrad Meyer]

On Thu, 29 Oct 2015 09:53:43 +0200
Konstantin Belousov <kostikbel at gmail.com> wrote:

> On Thu, Oct 29, 2015 at 04:16:28AM +0000, Conrad E. Meyer
> wrote:
> > Author: cem
> > Date: Thu Oct 29 04:16:28 2015
> > New Revision: 290130
> > URL: https://svnweb.freebsd.org/changeset/base/290130
> > 
> > Log:
> >   ntb: Do not attempt to set write-combining on MWs
> >   
> >   AMD64 pmap assumes ranges will be in the DMAP, which
> > isn't necessarily true for NTB memory windows (especially
> > 64-bit BARs).
> I am not sure what do you mean.  pmap_change_attr() handles
> either DMAP or kernel mapped memory.

What JHB said -- the blind attempts to fixup DMAP memory
types fixed in r290156.

Best,
Conrad