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@xxxxxxxxxx>
---
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;
}
/**
--
1.8.1.4
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