From patchwork Wed Apr 4 08:48:55 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Use the lower four bytes while restoring guest readable SPRGs. Date: Tue, 03 Apr 2012 22:48:55 -0000 From: Sethi Varun-B16395 X-Patchwork-Id: 150656 Message-Id: <1333529335-27711-1-git-send-email-b16395@freescale.com> To: , Cc: Varun Sethi From: Varun Sethi While restoring the hardware copies of guest SPRG4-7 registers we must use the the lower 4 bytes of the 64 bit sotware copies maintained by KVM. Signed-off-by: Varun Sethi --- arch/powerpc/kvm/booke_interrupts.S | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index c8c4b87..feda1bb 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -419,13 +419,13 @@ lightweight_exit: * written directly to the shared area, so we * need to reload them here with the guest's values. */ - lwz r3, VCPU_SHARED_SPRG4(r5) + lwz r3, (VCPU_SHARED_SPRG4 + 4)(r5) mtspr SPRN_SPRG4W, r3 - lwz r3, VCPU_SHARED_SPRG5(r5) + lwz r3, (VCPU_SHARED_SPRG5 + 4)(r5) mtspr SPRN_SPRG5W, r3 - lwz r3, VCPU_SHARED_SPRG6(r5) + lwz r3, (VCPU_SHARED_SPRG6 + 4)(r5) mtspr SPRN_SPRG6W, r3 - lwz r3, VCPU_SHARED_SPRG7(r5) + lwz r3, (VCPU_SHARED_SPRG7 + 4)(r5) mtspr SPRN_SPRG7W, r3 #ifdef CONFIG_KVM_EXIT_TIMING