On Wed, Jan 21, 2015 at 06:39:47PM +, Marc Zyngier wrote:
> Let's assume a guest has created an uncached mapping, and written
> to that page. Let's also assume that the host uses a cache-coherent
> IO subsystem. Let's finally assume that the host is under memory
> pressure and starts to swap th
Let's assume a guest has created an uncached mapping, and written
to that page. Let's also assume that the host uses a cache-coherent
IO subsystem. Let's finally assume that the host is under memory
pressure and starts to swap things out.
Before this "uncached" page is evicted, we need to make sur
