Messages in this thread | | | Date | Sat, 27 Nov 2004 08:51:59 -0800 | From | "Randy.Dunlap" <> | Subject | Re: [4/7] Xen VMM patch set : /dev/mem io_remap_page_range for CONFIG_XEN |
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Ian Pratt wrote: >>>>@@ -42,7 +42,12 @@ extern void tapechar_init(void); >>>> */ >>>> static inline int uncached_access(struct file *file, unsigned long addr) >>> >>>Any chance you could just move uncached_access() to some asm/ header for >>>all arches instead of making the ifdef mess even worse? >> >>I suppose a generic definition could go in asm-generic/iomap.h >>with per-architecture definitions in asm/io.h. However, I think >>it would make sense to wait until PAT support gets added and then >>think through exactly what needs doing rather than reorganising >>things now. > > > What do people think about this? Should I stick with the current > patch that adds another #ifdef to uncached_access, or should I > try pulling it out into asm-generic/iomap.h with per-arch > definitions in asm/io.h ? > > Is there anyone working on PAT support? It would be good to have > their input.
Someone from NVidia has posted some PAT patches a few times. (Terence Ripperda) There's a thread beginning here: http://marc.theaimsgroup.com/?l=linux-kernel&m=108180930118848&w=2
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