>>> Alexandru Isaila 08/03/17 5:29 PM >>>
>--- a/xen/arch/x86/hvm/hypercall.c
>+++ b/xen/arch/x86/hvm/hypercall.c
>@@ -152,9 +152,17 @@ int hvm_hypercall(struct cpu_user_regs *regs)
>{
>case 8:
>eax = regs->rax;
>+if ( currd->monitor.guest_request_userspace_vmcall &&
>+ eax ==
On 03/08/17 16:29, Alexandru Isaila wrote:
> Allow guest userspace code to request that a vm_event be sent out
> via VMCALL. This functionality seems to be handy for a number of
> Xen developers, as stated on the mailing list (thread "[Xen-devel]
> HVMOP_guest_request_vm_event only works from guest
Allow guest userspace code to request that a vm_event be sent out
via VMCALL. This functionality seems to be handy for a number of
Xen developers, as stated on the mailing list (thread "[Xen-devel]
HVMOP_guest_request_vm_event only works from guest in ring0").
This is a use case in communication be
