From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
Sometimes statistical data of vcpus is helpful for locating some issues,
so enable vcpu debugfs for ARM64.
Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
---
arch/arm64/include/asm/kvm_host.h | 1 +
arch/arm64/kvm/arm.c | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 35a159d..538da55 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -53,6 +53,7 @@
#define KVM_HAVE_MMU_RWLOCK
+#define __KVM_HAVE_ARCH_VCPU_DEBUGFS
/*
* Mode of operation configurable with kvm-arm.mode early param.
* See Documentation/admin-guide/kernel-parameters.txt for more information.
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 9c5573b..d230dfc 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -526,6 +526,10 @@ bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
return vcpu_mode_priv(vcpu);
}
+void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry)
+{
+}
+
#ifdef CONFIG_GUEST_PERF_EVENTS
unsigned long kvm_arch_vcpu_get_ip(struct kvm_vcpu *vcpu)
{
--
2.8.1
