Messages in this thread | | | Date | Sat, 9 Jul 2022 00:21:44 +0800 | Subject | Re: [PATCH V3] swiotlb: Split up single swiotlb lock | From | Tianyu Lan <> |
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On 7/8/2022 1:07 AM, Christoph Hellwig wrote: > Thanks, this looks much better. I think there is a small problem > with how default_nareas is set - we need to use 0 as the default > so that an explicit command line value of 1 works. Als have you > checked the interaction with swiotlb_adjust_size in detail?
Yes, the patch was tested in the Hyper-V SEV VM which always calls swiotlb_adjust_size() to adjust bounce buffer size according to memory size. It will round up bounce buffer size to the next power of 2 if the memory size is not power of 2.
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