[PATCH] KVM: PPC: Book3S HV: Fix invalid use of register expression

From: Andreas Schwab <redacted>

binutils >= 2.26 now warns about misuse of register expressions in
assembler operands that are actually literals. In this instance r0 is
being used where a literal 0 should be used.

Signed-off-by: Andreas Schwab <redacted>
[mpe: Split into separate KVM patch, tweak change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
 arch/powerpc/kvm/book3s_hv_rmhandlers.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index c52184a8efdf..0bc400f882f4 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S

@@ -976,7 +976,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300)
 #ifdef CONFIG_KVM_XICS
 	/* We are entering the guest on that thread, push VCPU to XIVE */
 	ld	r10, HSTATE_XIVE_TIMA_PHYS(r13)
-	cmpldi	cr0, r10, r0
+	cmpldi	cr0, r10, 0
 	beq	no_xive
 	ld	r11, VCPU_XIVE_SAVED_STATE(r4)
 	li	r9, TM_QW1_OS

-- 
2.7.4

On Tue, Aug 15, 2017 at 02:37:01PM +1000, Michael Ellerman wrote:

From: Andreas Schwab <redacted>

binutils >= 2.26 now warns about misuse of register expressions in
assembler operands that are actually literals. In this instance r0 is
being used where a literal 0 should be used.

Signed-off-by: Andreas Schwab <redacted>
[mpe: Split into separate KVM patch, tweak change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

Thanks, patch applied to my kvm-ppc-next branch.

Paul.