On 13.04.2020 08:51, Alexandru Isaila wrote:
> @@ -4786,6 +4787,19 @@ static int do_altp2m_op(
> break;
> }
>
> +case HVMOP_altp2m_set_visibility:
> +{
> +unsigned int idx = a.u.set_visibility.altp2m_idx;
> +
> +if ( a.u.set_visibility.pad )
> +
On Mon, Apr 13, 2020 at 09:51:13AM +0300, Alexandru Isaila wrote:
[...]
> ---
> tools/libxc/include/xenctrl.h | 7 +++
> tools/libxc/xc_altp2m.c | 24 +++
Acked-by: Wei Liu
> xen/arch/x86/hvm/hvm.c | 14 ++
> xen/arch/x86/hvm/vmx/vmx.c
Hi,
I need a review for the tools bits in this patch.
Thanks,
Alex
On 13.04.2020 09:51, Alexandru Isaila wrote:
At this moment a guest can call vmfunc to change the altp2m view. This
should be limited in order to avoid any unwanted view switch.
The new xc_altp2m_set_visibility() solves this
At this moment a guest can call vmfunc to change the altp2m view. This
should be limited in order to avoid any unwanted view switch.
The new xc_altp2m_set_visibility() solves this by making views invisible
to vmfunc.
This is done by having a separate arch.altp2m_working_eptp that is
populated and
