Hi Ashish,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on hch-configfs/for-next]
[cannot apply to linus/master v5.4 next-20191206]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--
Hi Ashish,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on hch-configfs/for-next]
[also build test ERROR on linus/master v5.4 next-20191202]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use
From: Ashish Kalra
For SEV, all DMA to and from guest has to use shared
(un-encrypted) pages. SEV uses SWIOTLB to make this happen
without requiring changes to device drivers. However,
depending on workload being run, the default 64MB of SWIOTLB
might not be enough and SWIOTLB may run out of buff
