Signed-off-by: Gregory Haskins <ghask...@novell.com>
---
arch/x86/kernel/kvm.c | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 33019dd..d299ed5 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -50,6 +50,26 @@ static void kvm_io_delay(void)
{
}
+static long _kvm_hypercall(unsigned long nr,
+ unsigned long *args,
+ size_t count)
+{
+ switch (count) {
+ case 0:
+ return kvm_hypercall0(nr);
+ case 1:
+ return kvm_hypercall1(nr, args[0]);
+ case 2:
+ return kvm_hypercall2(nr, args[0], args[1]);
+ case 3:
+ return kvm_hypercall3(nr, args[0], args[1], args[2]);
+ case 4:
+ return kvm_hypercall4(nr, args[0], args[1], args[2], args[3]);
+ default:
+ return -EINVAL;
+ }
+}
+
static void kvm_mmu_op(void *buffer, unsigned len)
{
int r;
@@ -207,6 +227,8 @@ static void paravirt_ops_setup(void)
if (kvm_para_has_feature(KVM_FEATURE_NOP_IO_DELAY))
pv_cpu_ops.io_delay = kvm_io_delay;
+ pv_cpu_ops.hypercall = _kvm_hypercall;
+
if (kvm_para_has_feature(KVM_FEATURE_MMU_OP)) {
pv_mmu_ops.set_pte = kvm_set_pte;
pv_mmu_ops.set_pte_at = kvm_set_pte_at;
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