Date: 12 Jul 2003 03:39:59 -0700 From: Eric Anholt <eta@lclark.edu> To: John Baldwin <jhb@FreeBSD.org> Cc: Peter Wemm <peter@freebsd.org> Subject: RE: PERFORCE change 33663 for review Message-ID: <1058006399.1464.52.camel@leguin> In-Reply-To: <XFMail.20030626135736.jhb@FreeBSD.org> References: <XFMail.20030626135736.jhb@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, 2003-06-26 at 10:57, John Baldwin wrote: > On 25-Jun-2003 Peter Wemm wrote: > > http://perforce.freebsd.org/chv.cgi?CH=33663 > > > > Change 33663 by peter@peter_hammer on 2003/06/25 15:05:09 > > > > Port sym to amd64 > > This is possibly not correct. Do all hammer's support the P3+ > SFENCE and related instructions? Even i386 should probably be > using what bus_space_barrier() uses. Heck, sym should probably > just be using bus_space_barrier anyways. It would sure be nice to have an MI call for the bus_space_barrier() calls that don't need a bus_space_tag. The DRM unfortunately doesn't (and won't ever, I think) do bus_space, so we have to have platform-specific ifdefs for read, write, and read/write barriers. -- Eric Anholt eta@lclark.edu http://people.freebsd.org/~anholt/ anholt@FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1058006399.1464.52.camel>