SPRG3 is guest accessible and SPRG3 can be clobbered by host or another guest, So this need to be restored when loading guest state.
Signed-off-by: Bharat Bhushan <bharat.bhus...@freescale.com> --- arch/powerpc/kvm/booke_interrupts.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 2c6deb5ef..0d3403f 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -459,6 +459,8 @@ lightweight_exit: * written directly to the shared area, so we * need to reload them here with the guest's values. */ + PPC_LD(r3, VCPU_SHARED_SPRG3, r5) + mtspr SPRN_SPRG3, r3 PPC_LD(r3, VCPU_SHARED_SPRG4, r5) mtspr SPRN_SPRG4W, r3 PPC_LD(r3, VCPU_SHARED_SPRG5, r5) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html