diff options
| author | Hollis Blanchard <hollisb@us.ibm.com> | 2008-04-25 17:55:49 -0500 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-05-04 14:44:44 +0300 |
| commit | 45c5eb67da5a668abe79c23a7e64dbc87a600f90 (patch) | |
| tree | b2b9ff85ecb5b35d246d68da94b20cb9f9912bff /arch/powerpc/kvm/booke_guest.c | |
| parent | 3fe913e7c550a869e250d04c34410f7a6e263f7c (diff) | |
KVM: ppc: Handle guest idle by emulating MSR[WE] writes
This reduces host CPU usage when the guest is idle. However, the guest must
set MSR[WE] in its idle loop, which Linux did not do until 2.6.26.
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/powerpc/kvm/booke_guest.c')
| -rw-r--r-- | arch/powerpc/kvm/booke_guest.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/booke_guest.c b/arch/powerpc/kvm/booke_guest.c index 6d9884a6884a..b3db6f4576ad 100644 --- a/arch/powerpc/kvm/booke_guest.c +++ b/arch/powerpc/kvm/booke_guest.c @@ -49,6 +49,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "inst_emu", VCPU_STAT(emulated_inst_exits) }, { "dec", VCPU_STAT(dec_exits) }, { "ext_intr", VCPU_STAT(ext_intr_exits) }, + { "halt_wakeup", VCPU_STAT(halt_wakeup) }, { NULL } }; |