KVM mmio in BE case assumes that data it recieves is in BE format. Vgic operates in LE, so need byteswap data in BE case.
Signed-off-by: Victor Kamensky victor.kamensky@linaro.org --- virt/kvm/arm/vgic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 685fc72..7e11458 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -236,12 +236,12 @@ static void vgic_cpu_irq_clear(struct kvm_vcpu *vcpu, int irq)
static u32 mmio_data_read(struct kvm_exit_mmio *mmio, u32 mask) { - return *((u32 *)mmio->data) & mask; + return le32_to_cpu(*((u32 *)mmio->data)) & mask; }
static void mmio_data_write(struct kvm_exit_mmio *mmio, u32 mask, u32 value) { - *((u32 *)mmio->data) = value & mask; + *((u32 *)mmio->data) = cpu_to_le32(value) & mask; }
/**