Messages in this thread | | | Date | Thu, 26 Aug 2010 11:45:58 +0200 (CEST) | From | Guennadi Liakhovetski <> | Subject | Re: [RFC][PATCH] add dma_reserve_coherent_memory()/dma_free_reserved_memory() API |
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On Thu, 26 Aug 2010, FUJITA Tomonori wrote:
> Why can't you revert a commit that causes the regression?
See this reply, and the complete thread too.
http://marc.info/?l=linux-sh&m=128130485208262&w=2
> The related DMA API wasn't changed in 2.6.36-rc1. The DMA API is not > responsible for the regression. And the patchset even exnteds the > definition of the DMA API (dma_declare_coherent_memory). Such change > shouldn't applied after rc1. I think that DMA-API.txt says that > dma_declare_coherent_memory() handles coherent memory for a particular > device. It's not for the API that reserves coherent memory that can be > used for any device for a single device.
Anyway, we need a way to fix the regression.
Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/
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