[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] PATCH: console.c: use ioremap instead of __va to map video memory
On Fri, Apr 14, 2006 at 07:38:18PM +0100, Keir Fraser wrote: > > On 14 Apr 2006, at 15:46, Muli Ben-Yehuda wrote: > > >The comment in asm-x86/io.h says "we don't need a real ioremap on > >Xen/x86", but I think we do need it for the IOMMU work on x86-64, > >since the hypervisor will need to map the IOMMU's internal register > >area for things like cache flushing. Is there a fundamental objection > >to a real ioremap for x86? > > No, it got removed as it wasn't used, but it can easily be added back. > It's particularly easy since we probably don't need iounmap(). Hmm, looking at the hg logs, it looks like ioremap() was added for x86-64 with the current __va() implementation. Can you please point me at the old version? Thanks, Muli -- Muli Ben-Yehuda http://www.mulix.org | http://mulix.livejournal.com/ _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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