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authorHollis Blanchard <hollisb@us.ibm.com>2007-12-04 01:15:26 +0300
committerAvi Kivity <avi@qumranet.com>2008-01-30 18:53:17 +0300
commit53e0aa7b65ec0d66e34e4d356a641c725cc2e519 (patch)
tree3964471dba10c506407370aefacdfce2cab3086f /drivers/kvm
parente01a1b570f66ad318239517adbcc2cbe368d0a46 (diff)
downloadlinux-53e0aa7b65ec0d66e34e4d356a641c725cc2e519.tar.xz
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>
Diffstat (limited to 'drivers/kvm')
-rw-r--r--drivers/kvm/kvm_main.c3
-rw-r--r--drivers/kvm/x86.h7
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