Re: [PATCH kernel 0/2] pseries: Enable SWIOTLB

2019-05-30 Thread Alexey Kardashevskiy
Ping, anyone? On 07/05/2019 16:25, Alexey Kardashevskiy wrote: > This is an attempt to allow PCI pass through to a secure guest when > hardware can only access insecure memory. This allows SWIOTLB use > for passed through devices. > > Later on secure VMs will unsecure SWIOTLB bounce buffers for D

[PATCH kernel 0/2] pseries: Enable SWIOTLB

2019-05-06 Thread Alexey Kardashevskiy
This is an attempt to allow PCI pass through to a secure guest when hardware can only access insecure memory. This allows SWIOTLB use for passed through devices. Later on secure VMs will unsecure SWIOTLB bounce buffers for DMA and the rest of the guest RAM will be unavailable to the hardware by