dma_cache_maint_contiguous should be patched asdma_cache_maint do

Catalin Marinas catalin.marinas at arm.com
Fri Dec 11 05:56:46 EST 2009


On Thu, 2009-12-10 at 16:39 +0000, Russell King - ARM Linux wrote:
> Let's hope that all ARMv7 SMP implementations broadcast the cache
> operations.  

I double-checked with the architecture people and the ARMv7 MP extension
mandates cache maintenance broadcasting in hardware. I'll modify my
ARMv7 lazy cache flushing patch to avoid reading MMFR3 in this case.

-- 
Catalin




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