[PATCH v4 04/14] ARM: KVM: __kvm_vcpu_run function return result fix in BE case
Victor Kamensky
victor.kamensky at linaro.org
Thu Jun 12 09:30:03 PDT 2014
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 at linaro.org>
Acked-by: Christoffer Dall <christoffer.dall at linaro.org>
Acked-by: Marc Zyngier <marc.zyngier at arm.com>
---
arch/arm/kvm/interrupts.S | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S
index 24d4e65..01dcb0e 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
/********************************************************************
--
1.8.1.4
More information about the linux-arm-kernel
mailing list