Messages in this thread | | | Subject | Re: [patch 09/11] PAT x86: Add ioremap_wc support | From | Andi Kleen <> | Date | Thu, 10 Jan 2008 20:08:40 +0100 |
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venkatesh.pallipadi@intel.com writes: > Index: linux-2.6.git/include/asm-generic/iomap.h > =================================================================== > --- linux-2.6.git.orig/include/asm-generic/iomap.h 2008-01-08 03:31:37.000000000 -0800 > +++ linux-2.6.git/include/asm-generic/iomap.h 2008-01-08 05:15:56.000000000 -0800 > @@ -65,4 +65,8 @@ > extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); > extern void pci_iounmap(struct pci_dev *dev, void __iomem *); > > +#ifndef ioremap_wc > +#define ioremap_wc ioremap_nocache > +#endif
I don't think that's a good idea. Drivers should be able to detect this somehow. Handling UC mappings as WC will probably give very poor results.
-Andi
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