From ef912fbf2eadfa34e61210430117b6c2a4f7c567 Mon Sep 17 00:00:00 2001 From: Konrad Rzeszutek Wilk Date: Fri, 4 Oct 2013 12:54:38 +0200 Subject: x86: allow HVM guests to make console_io hypercall The console_io hypercall is provided for PV guests and for HVM guests it is done via the 0xe9 port. However the PV hypercall is more efficient as it takes a string rather than one character per write. Signed-off-by: Konrad Rzeszutek Wilk --- xen/arch/x86/hvm/hvm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index a1a7780fcb..de81e4523d 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -3304,6 +3304,7 @@ static hvm_hypercall_t *const hvm_hypercall64_table[NR_hypercalls] = { [ __HYPERVISOR_vcpu_op ] = (hvm_hypercall_t *)hvm_vcpu_op, [ __HYPERVISOR_physdev_op ] = (hvm_hypercall_t *)hvm_physdev_op, HYPERCALL(xen_version), + HYPERCALL(console_io), HYPERCALL(event_channel_op), HYPERCALL(sched_op), HYPERCALL(set_timer_op), @@ -3323,6 +3324,7 @@ static hvm_hypercall_t *const hvm_hypercall32_table[NR_hypercalls] = { [ __HYPERVISOR_vcpu_op ] = (hvm_hypercall_t *)hvm_vcpu_op_compat32, [ __HYPERVISOR_physdev_op ] = (hvm_hypercall_t *)hvm_physdev_op_compat32, COMPAT_CALL(xen_version), + HYPERCALL(console_io), HYPERCALL(event_channel_op), COMPAT_CALL(sched_op), COMPAT_CALL(set_timer_op), -- cgit v1.2.3