Date: Sun, 04 Dec 2016 13:43:54 -0800 From: John Baldwin <jhb@freebsd.org> To: Michal Meloun <mmel@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r309531 - head/sys/arm/include Message-ID: <1605461.LLfnXX4YB2@ralph.baldwin.cx> In-Reply-To: <201612041527.uB4FRduc064051@repo.freebsd.org> References: <201612041527.uB4FRduc064051@repo.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sunday, December 04, 2016 03:27:39 PM Michal Meloun wrote: > Author: mmel > Date: Sun Dec 4 15:27:39 2016 > New Revision: 309531 > URL: https://svnweb.freebsd.org/changeset/base/309531 > > Log: > Implement fake pmap_mapdev_attr() for ARMv6. > This function is referenced, but never called from DRM2 code. Also, > real behavior of pmap_mapdev_attr() in ARM world is unclear as we don't > have any additional attribute for a device memory type. You have VM_MEMATTR constants on ARM though. Some devices might want a WB mapping (e.g. for a prefetchable memory BAR) rather than UC. -- John Baldwin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1605461.LLfnXX4YB2>