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>
git-mirror · Jan 30, 2008 · 53e0aa7 · 53e0aa7
1 parent e01a1b5
commit 53e0aa7
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git 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
@@ -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