Re: [PATCH] arm64: KVM: Support Cortex-A57 guest CPU on APM X-Gene host

On 3 July 2013 14:12, Anup Patel anup.patel@linaro.org wrote:

Update kvm_target_cpu() to allow Cortex-A57 guest CPU on APM X-Gene.

Signed-off-by: Anup Patel anup.patel@linaro.org Signed-off-by: Pranavkumar Sawargaonkar pranavkumar@linaro.org

---

arch/arm64/kvm/guest.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 2c3ff67..765f56f 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -207,8 +207,13 @@ int __attribute_const__ kvm_target_cpu(void) unsigned long implementor = read_cpuid_implementor(); unsigned long part_number = read_cpuid_part_number();

•   if (implementor != ARM_CPU_IMP_ARM)
  

•           return -EINVAL;
  

•   switch (implementor) {
  

•   case ARM_CPU_IMP_ARM:
  

•   case ARM_CPU_IMP_APM:
  

•           break;
  

•   default:
  

•           return -EINVAL;
  

•   }
  
    switch (part_number) {
    case ARM_CPU_PART_AEM_V8:
  

@@ -216,6 +221,7 @@ int __attribute_const__ kvm_target_cpu(void) case ARM_CPU_PART_FOUNDATION: return KVM_ARM_TARGET_FOUNDATION_V8; case ARM_CPU_PART_CORTEX_A57:

•   case APM_CPU_PART_POTENZA:
            /* Currently handled by the generic backend */
            return KVM_ARM_TARGET_CORTEX_A57;
    default:
  

-- 1.7.9.5

Hi Catalin/Marc,

This patch depends on the patch titled "arm64: Add defines for APM ARMv8 implementation" from Vinyak Kale.

Regards, Anup