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[Xen-changelog] [xen master] x86: allow HVM guests to make console_io hypercall



commit ef912fbf2eadfa34e61210430117b6c2a4f7c567
Author:     Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
AuthorDate: Fri Oct 4 12:54:38 2013 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Oct 4 12:54:38 2013 +0200

    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 <konrad.wilk@xxxxxxxxxx>
---
 xen/arch/x86/hvm/hvm.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index a1a7780..de81e45 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),
--
generated by git-patchbot for /home/xen/git/xen.git#master

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