In order to allow KVM to run on Cortex-A72 physical cpus, enable KVM
support for Cortex-A72.
Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
---
arch/arm64/include/asm/cputype.h | 1 +
arch/arm64/include/uapi/asm/kvm.h | 3 ++-
arch/arm64/kvm/guest.c | 2 ++
arch/arm64/kvm/sys_regs_generic_v8.c | 2 ++
4 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 9d9fd4b..cf1f638 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -76,6 +76,7 @@
#define ARM_CPU_PART_FOUNDATION 0xD00
#define ARM_CPU_PART_CORTEX_A57 0xD07
#define ARM_CPU_PART_CORTEX_A53 0xD03
+#define ARM_CPU_PART_CORTEX_A72 0xD08
#define APM_CPU_PART_POTENZA 0x000
diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h
index f209ea1..af8fbeb 100644
--- a/arch/arm64/include/uapi/asm/kvm.h
+++ b/arch/arm64/include/uapi/asm/kvm.h
@@ -65,8 +65,9 @@ struct kvm_regs {
#define KVM_ARM_TARGET_CORTEX_A53 4
/* Generic ARM v8 target */
#define KVM_ARM_TARGET_GENERIC_V8 5
+#define KVM_ARM_TARGET_CORTEX_A72 6
-#define KVM_ARM_NUM_TARGETS 6
+#define KVM_ARM_NUM_TARGETS 7
/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */
#define KVM_ARM_DEVICE_TYPE_SHIFT 0
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index 32fad75..7eed92e 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -293,6 +293,8 @@ int __attribute_const__ kvm_target_cpu(void)
return KVM_ARM_TARGET_CORTEX_A53;
case ARM_CPU_PART_CORTEX_A57:
return KVM_ARM_TARGET_CORTEX_A57;
+ case ARM_CPU_PART_CORTEX_A72:
+ return KVM_ARM_TARGET_CORTEX_A72;
};
break;
case ARM_CPU_IMP_APM:
diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c
index ed90578..cf823e1 100644
--- a/arch/arm64/kvm/sys_regs_generic_v8.c
+++ b/arch/arm64/kvm/sys_regs_generic_v8.c
@@ -92,6 +92,8 @@ static int __init sys_reg_genericv8_init(void)
&genericv8_target_table);
kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CORTEX_A57,
&genericv8_target_table);
+ kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CORTEX_A72,
+ &genericv8_target_table);
kvm_register_target_sys_reg_table(KVM_ARM_TARGET_XGENE_POTENZA,
&genericv8_target_table);
kvm_register_target_sys_reg_table(KVM_ARM_TARGET_GENERIC_V8,
--
2.0.4
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