Messages in this thread | | | Date | Tue, 29 Oct 2013 16:41:42 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH v2] arm64: allow ioremap_cache() to use existing RAM mappings |
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On Thu, Oct 24, 2013 at 03:54:17PM +0100, Mark Salter wrote: > Some drivers (ACPI notably) use ioremap_cache() to map an area which could > either be outside of kernel RAM or in an already mapped reserved area of > RAM. To avoid aliases with different caching attributes, ioremap() does > not allow RAM to be remapped. But for ioremap_cache(), the existing kernel > mapping may be used. > > Signed-off-by: Mark Salter <msalter@redhat.com>
Looks good. Thanks.
-- Catalin
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