Update kvm_target_cpu() to allow Cortex-A57 guest CPU on APM X-Gene.
Signed-off-by: Anup Patel <anup.patel@xxxxxxxxxx>
Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@xxxxxxxxxx>
---
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
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