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Date: Thu, 31 Aug 2017 19:05:25 +0300
From: Konstantin Belousov <kostikbel@gmail.com>
To: Alexander Motin <mav@FreeBSD.org>
Cc: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: Re: svn commit: r323032 - in head: share/man/man4 sys/amd64/conf
 sys/conf sys/dev/ntb/ntb_hw sys/i386/conf sys/modules/ntb
 sys/modules/ntb/ntb_hw sys/modules/ntb/ntb_hw_intel
 sys/modules/ntb/ntb_hw_plx
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On Wed, Aug 30, 2017 at 09:16:32PM +0000, Alexander Motin wrote:
> Author: mav
> Date: Wed Aug 30 21:16:32 2017
> New Revision: 323032
> URL: https://svnweb.freebsd.org/changeset/base/323032
> 
> Log:
>   Add NTB driver for PLX/Avago/Broadcom PCIe switches.
>   
In ntb_plx_attach(), BAR 0 and all found BARs 2-5 are explicitely
remapped as uncacheable.  Why is it needed ?  Does rman on x86
ever map any resource as not non-cacheable ?