diff options
| author | Scott Wood <scottwood@freescale.com> | 2011-04-27 18:24:10 -0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-05-22 08:47:50 -0400 |
| commit | eab176722f4628b2d9cf76221a43dd3a0e37e632 (patch) | |
| tree | 4b1e9e9ecb6adc4fb97c47ad5a3c174d3ad942ef /arch/powerpc/kvm/booke_interrupts.S | |
| parent | 1a040b26c5c915b317103b87ae7006d40443f197 (diff) | |
KVM: PPC: booke: save/restore VRSAVE (a.k.a. USPRG0)
Linux doesn't use USPRG0 (now renamed VRSAVE in the architecture, even
when Altivec isn't involved), but a guest might.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/booke_interrupts.S')
| -rw-r--r-- | arch/powerpc/kvm/booke_interrupts.S | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 1cc471faac2d..b58ccae95904 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S | |||
| @@ -380,7 +380,6 @@ lightweight_exit: | |||
| 380 | * because host interrupt handlers would get confused. */ | 380 | * because host interrupt handlers would get confused. */ |
| 381 | lwz r1, VCPU_GPR(r1)(r4) | 381 | lwz r1, VCPU_GPR(r1)(r4) |
| 382 | 382 | ||
| 383 | /* XXX handle USPRG0 */ | ||
| 384 | /* Host interrupt handlers may have clobbered these guest-readable | 383 | /* Host interrupt handlers may have clobbered these guest-readable |
| 385 | * SPRGs, so we need to reload them here with the guest's values. */ | 384 | * SPRGs, so we need to reload them here with the guest's values. */ |
| 386 | lwz r3, VCPU_SPRG4(r4) | 385 | lwz r3, VCPU_SPRG4(r4) |