RE: [RFC v1 0/2] Plumbing to support multiple secure memory backends.

2020-10-14 Thread Ram Pai
On Wed, Oct 14, 2020 at 07:31:17AM +0100, Christoph Hellwig wrote: > Please don't add an abstraction without a second implementation. > Once we have the implementation we can consider the tradeoffs. E.g. > if expensive indirect function calls are really needed vs simple > branches. Ok. Not planni

Re: [RFC v1 0/2] Plumbing to support multiple secure memory backends.

2020-10-13 Thread Christoph Hellwig
Please don't add an abstraction without a second implementation. Once we have the implementation we can consider the tradeoffs. E.g. if expensive indirect function calls are really needed vs simple branches.

[RFC v1 0/2] Plumbing to support multiple secure memory backends.

2020-10-12 Thread Ram Pai
Secure VMs are currently supported by the Ultravisor backend. Enhance the plumbing to support multiple backends. Each backend shall provide the implementation for the necessary and sufficient calls in order to support secure VM. Also as part of this change, modify the ultravisor implementation to