KVM: ia64: enable external interrupt in vmm

Currently, the interrupt enable bit is cleared when in
the vmm.  This patch sets the bit and the external interrupts can
be dealt with when in the vmm.  This improves the I/O performance.

Signed-off-by: Yang Zhang <yang.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 9 insertions, 9 deletions

diff --git a/arch/ia64/kvm/vmm_ivt.S b/arch/ia64/kvm/vmm_ivt.S
index 3ef1a017a318..40920c630649 100644
--- a/arch/ia64/kvm/vmm_ivt.S
+++ b/arch/ia64/kvm/vmm_ivt.S
@@ -95,7 +95,7 @@ GLOBAL_ENTRY(kvm_vmm_panic)
         ;;
         srlz.i    // guarantee that interruption collection is on
         ;;
-        //(p15) ssm psr.i               // restore psr.i
+        (p15) ssm psr.i               // restore psr.
         addl r14=@gprel(ia64_leave_hypervisor),gp
         ;;
         KVM_SAVE_REST
@@ -249,7 +249,7 @@ ENTRY(kvm_break_fault)
         ;;
         srlz.i         // guarantee that interruption collection is on
         ;;
-        //(p15)ssm psr.i               // restore psr.i
+        (p15)ssm psr.i               // restore psr.i
         addl r14=@gprel(ia64_leave_hypervisor),gp
         ;;
         KVM_SAVE_REST
@@ -439,7 +439,7 @@ kvm_dispatch_vexirq:
         ;;
         srlz.i // guarantee that interruption collection is on
         ;;
-        //(p15) ssm psr.i               // restore psr.i
+        (p15) ssm psr.i               // restore psr.i
         adds r3=8,r2                // set up second base pointer
         ;;
         KVM_SAVE_REST
@@ -819,7 +819,7 @@ ENTRY(kvm_dtlb_miss_dispatch)
         ;;
         srlz.i     // guarantee that interruption collection is on
         ;;
-        //(p15) ssm psr.i               // restore psr.i
+        (p15) ssm psr.i               // restore psr.i
         addl r14=@gprel(ia64_leave_hypervisor_prepare),gp
         ;;
         KVM_SAVE_REST
@@ -842,7 +842,7 @@ ENTRY(kvm_itlb_miss_dispatch)
         ;;
         srlz.i   // guarantee that interruption collection is on
         ;;
-        //(p15) ssm psr.i               // restore psr.i
+        (p15) ssm psr.i               // restore psr.i
         addl r14=@gprel(ia64_leave_hypervisor),gp
         ;;
         KVM_SAVE_REST
@@ -871,7 +871,7 @@ ENTRY(kvm_dispatch_reflection)
         ;;
         srlz.i   // guarantee that interruption collection is on
         ;;
-        //(p15) ssm psr.i               // restore psr.i
+        (p15) ssm psr.i               // restore psr.i
         addl r14=@gprel(ia64_leave_hypervisor),gp
         ;;
         KVM_SAVE_REST
@@ -898,7 +898,7 @@ ENTRY(kvm_dispatch_virtualization_fault)
         ;;
         srlz.i    // guarantee that interruption collection is on
         ;;
-        //(p15) ssm psr.i               // restore psr.i
+        (p15) ssm psr.i               // restore psr.i
         addl r14=@gprel(ia64_leave_hypervisor_prepare),gp
         ;;
         KVM_SAVE_REST
@@ -920,7 +920,7 @@ ENTRY(kvm_dispatch_interrupt)
         ;;
         srlz.i
         ;;
-        //(p15) ssm psr.i
+        (p15) ssm psr.i
         addl r14=@gprel(ia64_leave_hypervisor),gp
         ;;
         KVM_SAVE_REST
@@ -1333,7 +1333,7 @@ hostret =   r24
         ;;
 (p7)    srlz.i
         ;;
-//(p6)    ssm psr.i
+(p6)    ssm psr.i
         ;;
         mov rp=rpsave
         mov ar.pfs=pfssave