Re: [PATCH v9 2/8] KVM: Extend the memslot to support fd-based private memory

2022-11-15 Thread Chao Peng
On Mon, Nov 14, 2022 at 04:04:59PM +, Alex Bennée wrote: > > Chao Peng writes: > > > In memory encryption usage, guest memory may be encrypted with special > > key and can be accessed only by the guest itself. We call such memory > > private memory. It's valueless and sometimes can cause pro

Re: [PATCH v9 2/8] KVM: Extend the memslot to support fd-based private memory

2022-11-14 Thread Alex Bennée
Chao Peng writes: > In memory encryption usage, guest memory may be encrypted with special > key and can be accessed only by the guest itself. We call such memory > private memory. It's valueless and sometimes can cause problem to allow > userspace to access guest private memory. This new KVM m

Re: [PATCH v9 2/8] KVM: Extend the memslot to support fd-based private memory

2022-10-31 Thread Chao Peng
On Fri, Oct 28, 2022 at 03:04:27PM +0800, Xiaoyao Li wrote: > On 10/25/2022 11:13 PM, Chao Peng wrote: > > In memory encryption usage, guest memory may be encrypted with special > > key and can be accessed only by the guest itself. We call such memory > > private memory. It's valueless and sometime

Re: [PATCH v9 2/8] KVM: Extend the memslot to support fd-based private memory

2022-10-28 Thread Xiaoyao Li
On 10/25/2022 11:13 PM, Chao Peng wrote: In memory encryption usage, guest memory may be encrypted with special key and can be accessed only by the guest itself. We call such memory private memory. It's valueless and sometimes can cause problem to allow userspace to access guest private memory. T

Re: [PATCH v9 2/8] KVM: Extend the memslot to support fd-based private memory

2022-10-27 Thread Fuad Tabba
On Tue, Oct 25, 2022 at 4:18 PM Chao Peng wrote: > > In memory encryption usage, guest memory may be encrypted with special > key and can be accessed only by the guest itself. We call such memory > private memory. It's valueless and sometimes can cause problem to allow > userspace to access guest

[PATCH v9 2/8] KVM: Extend the memslot to support fd-based private memory

2022-10-25 Thread Chao Peng
In memory encryption usage, guest memory may be encrypted with special key and can be accessed only by the guest itself. We call such memory private memory. It's valueless and sometimes can cause problem to allow userspace to access guest private memory. This new KVM memslot extension allows guest