On 10/01/18 15:35, Christoph Hellwig wrote:
That almost makes sense, if x86 were using this generic swiotlb_dma_ops already. AFAICS it's only ia64, unicore and tile who end up using it, and they all had swiotlb_dma_supported hooked up to begin with. Am I missing something?On Wed, Jan 10, 2018 at 12:16:15PM +0000, Robin Murphy wrote:On 10/01/18 08:09, Christoph Hellwig wrote:To properly reject too small DMA masks based on the addressability of the bounce buffer.I reckon this is self-evident enough that it should simply be squashed into the previous patch.x86 didn't wire it up before, so I want a clear blaimpoint for this change instead of mixing it up.
If regressions are going to happen, they'll surely point at whichever commit pulls the ops into the relevant arch code - there doesn't seem to be a great deal of value in having a piecemeal history of said ops *before* that point.
Robin. -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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