On 30 Sep 2013, at 16:31, Konrad Rzeszutek Wilk <[email protected]> wrote: > On Fri, Sep 27, 2013 at 05:09:58PM +0100, Stefano Stabellini wrote: >> xen_swiotlb_alloc_coherent needs to allocate a coherent buffer for cpu >> and devices. On native x86 and ARMv8 is sufficient to call >> __get_free_pages in order to get a coherent buffer, while on ARM we need >> to call the native dma_ops->alloc implementation. >> >> When arm64 stops using the swiotlb by default and starts having multiple >> dma_ops implementations, we'll use __get_dma_ops there too. > > I presume this is a future TODO, not some further patch (in which > case you should say in here the title of it). If it is a TODO could > you stick that in the sentence here somewhere to make it crytal clear that > it is not implemented.
Thanks for pointing this out. The arm64 patch shouldn't be different from arm here. I thought a subsequent patch already added __get_dma_ops() for arm64. Catalin-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
