KVM: PPC: Fix HID5 setting code

The code to unset HID5.dcbz32 is broken.
This patch makes it do the right rotate magic.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/powerpc/kvm/book3s_64_interrupts.S b/arch/powerpc/kvm/book3s_64_interrupts.S
index 33aef53..2ff0b21 100644 (file)
--- a/arch/powerpc/kvm/book3s_64_interrupts.S
+++ b/arch/powerpc/kvm/book3s_64_interrupts.S
@@ -177,8 +177,9 @@ kvmppc_handler_highmem:
        rldicl. r5, r5, 0, 63           /* CR = ((r5 & 1) == 0) */
        beq     no_dcbz32_off
 
+       li      r4, 0
        mfspr   r5,SPRN_HID5
-       rldimi  r5,r5,6,56
+       rldimi  r5,r4,6,56
        mtspr   SPRN_HID5,r5
 
 no_dcbz32_off: