On Mon, Oct 10, 2022 at 04:25:07PM +0800, Chao Peng wrote:
> On Sat, Oct 08, 2022 at 08:35:47PM +0300, Jarkko Sakkinen wrote:
> > On Sat, Oct 08, 2022 at 07:15:17PM +0300, Jarkko Sakkinen wrote:
> > > On Sat, Oct 08, 2022 at 12:54:32AM +0300, Jarkko Sakkinen wrote:
> > > > On Fri, Oct 07, 2022 at 0
On Sat, Oct 08, 2022 at 08:35:47PM +0300, Jarkko Sakkinen wrote:
> On Sat, Oct 08, 2022 at 07:15:17PM +0300, Jarkko Sakkinen wrote:
> > On Sat, Oct 08, 2022 at 12:54:32AM +0300, Jarkko Sakkinen wrote:
> > > On Fri, Oct 07, 2022 at 02:58:54PM +, Sean Christopherson wrote:
> > > > On Fri, Oct 07,
On Sat, Oct 08, 2022 at 07:15:17PM +0300, Jarkko Sakkinen wrote:
> On Sat, Oct 08, 2022 at 12:54:32AM +0300, Jarkko Sakkinen wrote:
> > On Fri, Oct 07, 2022 at 02:58:54PM +, Sean Christopherson wrote:
> > > On Fri, Oct 07, 2022, Jarkko Sakkinen wrote:
> > > > On Thu, Oct 06, 2022 at 03:34:58PM
On Sat, Oct 08, 2022 at 12:54:32AM +0300, Jarkko Sakkinen wrote:
> On Fri, Oct 07, 2022 at 02:58:54PM +, Sean Christopherson wrote:
> > On Fri, Oct 07, 2022, Jarkko Sakkinen wrote:
> > > On Thu, Oct 06, 2022 at 03:34:58PM +, Sean Christopherson wrote:
> > > > On Thu, Oct 06, 2022, Jarkko Sa
On Fri, Oct 07, 2022 at 02:58:54PM +, Sean Christopherson wrote:
> On Fri, Oct 07, 2022, Jarkko Sakkinen wrote:
> > On Thu, Oct 06, 2022 at 03:34:58PM +, Sean Christopherson wrote:
> > > On Thu, Oct 06, 2022, Jarkko Sakkinen wrote:
> > > > On Thu, Oct 06, 2022 at 05:58:03PM +0300, Jarkko Sa
On Fri, Oct 07, 2022, Jarkko Sakkinen wrote:
> On Thu, Oct 06, 2022 at 03:34:58PM +, Sean Christopherson wrote:
> > On Thu, Oct 06, 2022, Jarkko Sakkinen wrote:
> > > On Thu, Oct 06, 2022 at 05:58:03PM +0300, Jarkko Sakkinen wrote:
> > > > On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wro
On Thu, Oct 06, 2022 at 03:34:58PM +, Sean Christopherson wrote:
> On Thu, Oct 06, 2022, Jarkko Sakkinen wrote:
> > On Thu, Oct 06, 2022 at 05:58:03PM +0300, Jarkko Sakkinen wrote:
> > > On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wrote:
> > > > This new extension, indicated by the new
On Thu, Oct 06, 2022, Jarkko Sakkinen wrote:
> On Thu, Oct 06, 2022 at 05:58:03PM +0300, Jarkko Sakkinen wrote:
> > On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wrote:
> > > This new extension, indicated by the new flag KVM_MEM_PRIVATE, adds two
> > > additional KVM memslot fields private_fd
On Thu, Oct 06, 2022 at 05:58:03PM +0300, Jarkko Sakkinen wrote:
> On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wrote:
> > This new extension, indicated by the new flag KVM_MEM_PRIVATE, adds two
> > additional KVM memslot fields private_fd/private_offset to allow
> > userspace to specify tha
On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wrote:
> This new extension, indicated by the new flag KVM_MEM_PRIVATE, adds two
> additional KVM memslot fields private_fd/private_offset to allow
> userspace to specify that guest private memory provided from the
> private_fd and guest_phys_addr
Hi,
I'm not sure if this patch or the last one might be the best place for
it, but I think it would be useful to have a KVM_CAP associated with
this. I am working on getting kvmtool to work with this, and I haven't
found a clean way of getting it to discover whether mem_private is
supported.
Than
On Wed, Oct 05, 2022 at 04:04:05PM +0300, Jarkko Sakkinen wrote:
> On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wrote:
> > In memory encryption usage, guest memory may be encrypted with special
> > key and can be accessed only by the VM itself. We call such memory
> > private memory. It's va
On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wrote:
> In memory encryption usage, guest memory may be encrypted with special
> key and can be accessed only by the VM itself. We call such memory
> private memory. It's valueless and sometimes can cause problem to allow
> userspace to access gu
On Thu, Sep 29, 2022, Isaku Yamahata wrote:
> On Thu, Sep 15, 2022 at 10:29:07PM +0800,
> Chao Peng wrote:
> > @@ -4645,14 +4672,20 @@ static long kvm_vm_ioctl(struct file *filp,
> > break;
> > }
> > case KVM_SET_USER_MEMORY_REGION: {
> > - struct kvm_userspace_memory
On Thu, Sep 15, 2022 at 10:29:07PM +0800,
Chao Peng wrote:
...
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 584a5bab3af3..12dc0dc57b06 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
...
> @@ -4622,6 +4622,33 @@ static int kvm_vm_ioctl_get_stats_fd(struct kvm *kv
On Mon, Sep 26, 2022 at 11:26:45AM +0100, Fuad Tabba wrote:
...
> > +
> > +- KVM_MEM_PRIVATE can be set to indicate a new slot has private memory
> > backed by
> > + a file descirptor(fd) and the content of the private memory is invisible
> > to
>
> s/descirptor/descriptor
Thanks.
...
> st
Hi Chao,
On Thu, Sep 15, 2022 at 3:35 PM Chao Peng wrote:
>
> In memory encryption usage, guest memory may be encrypted with special
> key and can be accessed only by the VM itself. We call such memory
> private memory. It's valueless and sometimes can cause problem to allow
> userspace to access
On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wrote:
> diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
> index abd7c32126ce..c1fac1e9f820 100644
> --- a/Documentation/virt/kvm/api.rst
> +++ b/Documentation/virt/kvm/api.rst
> @@ -1319,7 +1319,7 @@ yet and must be c
On Fri, Sep 16, 2022 at 04:14:29PM +0700, Bagas Sanjaya wrote:
> On Thu, Sep 15, 2022 at 10:29:07PM +0800, Chao Peng wrote:
> > diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
> > index abd7c32126ce..c1fac1e9f820 100644
> > --- a/Documentation/virt/kvm/api.rst
> > +++ b
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