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 Message-ID: <20170831160525.GT1700@kib.kiev.ua> In-Reply-To: <201708302116.v7ULGWge035544@repo.freebsd.org> References: <201708302116.v7ULGWge035544@repo.freebsd.org>
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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 ?
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