Re: [Qemu-devel] [RFC PATCH V4 4/6] hw/arm/virt: Use PSCI v0.2 compatible when kernel supports it

[Rob Herring]

On Mon, May 5, 2014 at 9:06 AM, Rob Herring <address@hidden> wrote:
> On Mon, May 5, 2014 at 3:57 AM, Pranavkumar Sawargaonkar
> <address@hidden> wrote:
>> If we have in-kernel emulation of PSCI v0.2 for KVM ARM/ARM64 then
>> we enable PSCI v0.2 for each VCPU at the time of VCPU init hence we
>> need to provide PSCI v0.2 compatible string via generated DTB.
>>
>> This patch updates generated DTB to have PSCI v0.2 compatible string
>> when we have in-kernel emulation PSCI v0.2 for KVM ARM/ARM64.
>>
>> Signed-off-by: Pranavkumar Sawargaonkar <address@hidden>
>> Signed-off-by: Anup Patel <address@hidden>
>> ---
>>  hw/arm/virt.c |   16 ++++++++++------
>>  1 file changed, 10 insertions(+), 6 deletions(-)
>
> This does not compile for me:
>
>   CC    aarch64-softmmu/hw/arm/virt.o
> hw/arm/virt.c: In function ‘create_fdt’:
> hw/arm/virt.c:186:44: error: ‘KVM_CAP_ARM_PSCI_0_2’ undeclared (first
> use in this function)
>          if (kvm_check_extension(kvm_state, KVM_CAP_ARM_PSCI_0_2)) {
>                                             ^

Note that I am building for system emulation, not KVM which may
explain the difference (I assume it actually builds for you).

Rob