KVM: Portability: Create kvm_arch_vcpu_runnable() function

This abstracts the detail of x86 hlt and INIT modes into a function.

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

2 files changed, 8 insertions, 2 deletions

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 0f11046b94fa..70664f020849 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -643,8 +643,7 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
          */
         while (!kvm_cpu_has_interrupt(vcpu)
                && !signal_pending(current)
-               && vcpu->mp_state != VCPU_MP_STATE_RUNNABLE
-               && vcpu->mp_state != VCPU_MP_STATE_SIPI_RECEIVED) {
+               && !kvm_arch_vcpu_runnable(vcpu)) {
                 set_current_state(TASK_INTERRUPTIBLE);
                 vcpu_put(vcpu);
                 schedule();
diff --git a/drivers/kvm/x86.h b/drivers/kvm/x86.h
index 4b7acc76bb34..eed796402e3b 100644
--- a/drivers/kvm/x86.h
+++ b/drivers/kvm/x86.h
@@ -471,4 +471,11 @@ static inline u32 get_rdx_init_val(void)
 #define TSS_IOPB_SIZE (65536 / 8)
 #define TSS_REDIRECTION_SIZE (256 / 8)
 #define RMODE_TSS_SIZE (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1)
+
+static inline int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
+{
+        return vcpu->mp_state == VCPU_MP_STATE_RUNNABLE
+               || vcpu->mp_state == VCPU_MP_STATE_SIPI_RECEIVED;
+}
+
 #endif