[RFC PATCH 05/11] powerpc/svm: Don't release SWIOTLB buffers on secure guests

2018-08-24 Thread Thiago Jung Bauermann
From: Anshuman Khandual Even though SWIOTLB slab gets allocated and initialized on each powerpc platform with swiotlb_init(), it gets released away again on all server platforms because ppc_swiotlb_enable variable never gets set. Secure guests would require SWIOTLB DMA API support for virtio

[RFC PATCH 05/11] powerpc/svm: Don't release SWIOTLB buffers on secure guests

2018-08-23 Thread Thiago Jung Bauermann
From: Anshuman Khandual Even though SWIOTLB slab gets allocated and initialized on each powerpc platform with swiotlb_init(), it gets released away again on all server platforms because ppc_swiotlb_enable variable never gets set. Secure guests would require SWIOTLB DMA API support for virtio