From: Victor Kamensky <victor.kamensky@linaro.org>
Date: Thu, 12 Jun 2014 16:30:03 +0000 (-0700)
Subject: ARM: KVM: __kvm_vcpu_run function return result fix in BE case
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=6d7311b520864531c81f0e0237e96146d8057d77;p=deliverable%2Flinux.git

ARM: KVM: __kvm_vcpu_run function return result fix in BE case

The __kvm_vcpu_run function returns a 64-bit result in two registers,
which has to be adjusted for BE case.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---

diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S
index 24d4e65806a7..01dcb0e752d9 100644
--- a/arch/arm/kvm/interrupts.S
+++ b/arch/arm/kvm/interrupts.S
@@ -199,8 +199,13 @@ after_vfp_restore:
 
 	restore_host_regs
 	clrex				@ Clear exclusive monitor
+#ifndef CONFIG_CPU_ENDIAN_BE8
 	mov	r0, r1			@ Return the return code
 	mov	r1, #0			@ Clear upper bits in return value
+#else
+	@ r1 already has return code
+	mov	r0, #0			@ Clear upper bits in return value
+#endif /* CONFIG_CPU_ENDIAN_BE8 */
 	bx	lr			@ return to IOCTL
 
 /********************************************************************