On 14/10/13 14:05, Paolo Bonzini wrote:
> Il 11/10/2013 16:36, Marc Zyngier ha scritto:
>> Cc: Pekka Enberg <penberg@xxxxxxxxxx>
>> Cc: Will Deacon <will.deacon@xxxxxxx>
>> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
>> ---
>> tools/kvm/arm/include/arm-common/kvm-arch.h | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/tools/kvm/arm/include/arm-common/kvm-arch.h b/tools/kvm/arm/include/arm-common/kvm-arch.h
>> index 72b204f..91836cb 100644
>> --- a/tools/kvm/arm/include/arm-common/kvm-arch.h
>> +++ b/tools/kvm/arm/include/arm-common/kvm-arch.h
>> @@ -27,6 +27,8 @@
>>
>> #define VIRTIO_DEFAULT_TRANS VIRTIO_MMIO
>>
>> +#define VIRTIO_RING_ENDIAN ((1UL << VIRTIO_RING_F_GUEST_LE) | (1UL << VIRTIO_RING_F_GUEST_BE))
>> +
>> static inline bool arm_addr_in_ioport_region(u64 phys_addr)
>> {
>> u64 limit = KVM_IOPORT_AREA + ARM_IOPORT_SIZE;
>>
>
> Why only arm/arm64?
Because it has a runtime impact (testing the queue endianness on each
access is not free). Also, I have no idea how much of an interest other
arches have when it comes to mixed endianness.
M.
--
Jazz is not dead. It just smells funny...
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