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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>
This commit is contained in:
Hollis Blanchard 2007-12-03 16:15:26 -06:00 committed by Avi Kivity
parent e01a1b570f
commit 53e0aa7b65
2 changed files with 8 additions and 2 deletions
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3
drivers/kvm/kvm_main.c
View File

@ -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();

7
drivers/kvm/x86.h
View File

@ -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