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KVM: s390: Small enhancements for 3.18 (next)

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Provide TOD CLOCK steering to the guest and add cpu wakeup counter.
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Merge tag 'kvm-s390-next-20141001' of git://git.kernel.org/pub/scm/linux/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.
This commit is contained in:
Paolo Bonzini 2014-10-02 13:44:45 +02:00
commit a74b7d5514
3 changed files with 4 additions and 1 deletions
arch/s390
include/asm
kvm_host.h
kvm
interrupt.ckvm-s390.c

1
arch/s390/include/asm/kvm_host.h
View file

@ -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;

1
arch/s390/kvm/interrupt.c
View file

@ -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++;
}
}

3
arch/s390/kvm/kvm-s390.c
View file

@ -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;
}