Merge tag 'kvm-s390-next-20141001' of git://git.kernel.org/pub/scm/li…

…nux/kernel/git/kvms390/linux into kvm-next KVM: s390: Small enhancements for 3.18 (next) Provide TOD CLOCK steering to the guest and add cpu wakeup counter.
mariux64 · Oct 2, 2014 · a74b7d5 · a74b7d5
2 parents cec26bc + ce2e4f0
commit a74b7d5
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Showing 3 changed files with 4 additions and 1 deletion.
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
@@ -192,6 +192,7 @@ struct kvm_vcpu_stat {
 	u32 exit_stop_request;
 	u32 exit_validity;
 	u32 exit_instruction;
+	u32 halt_wakeup;
 	u32 instruction_lctl;
 	u32 instruction_lctlg;
 	u32 instruction_stctl;

diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
@@ -626,6 +626,7 @@ void kvm_s390_vcpu_wakeup(struct kvm_vcpu *vcpu)
 		 */
 		vcpu->preempted = true;
 		wake_up_interruptible(&vcpu->wq);
+		vcpu->stat.halt_wakeup++;
 	}
 }
 

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
@@ -50,6 +50,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "exit_instruction", VCPU_STAT(exit_instruction) },
 	{ "exit_program_interruption", VCPU_STAT(exit_program_interruption) },
 	{ "exit_instr_and_program_int", VCPU_STAT(exit_instr_and_program) },
+	{ "halt_wakeup", VCPU_STAT(halt_wakeup) },
 	{ "instruction_lctlg", VCPU_STAT(instruction_lctlg) },
 	{ "instruction_lctl", VCPU_STAT(instruction_lctl) },
 	{ "instruction_stctl", VCPU_STAT(instruction_stctl) },
@@ -1786,7 +1787,7 @@ static int __init kvm_s390_init(void)
 		return -ENOMEM;
 	}
 	memcpy(vfacilities, S390_lowcore.stfle_fac_list, 16);
-	vfacilities[0] &= 0xff82fff3f4fc2000UL;
+	vfacilities[0] &= 0xff82fffbf47c2000UL;
 	vfacilities[1] &= 0x005c000000000000UL;
 	return 0;
 }