diff mbox series

[RFC,2/2] KVM: arm64: Enable __KVM_HAVE_ARCH_VCPU_DEBUGFS

Message ID 1670331508-67322-3-git-send-email-chenxiang66@hisilicon.com (mailing list archive)
State New, archived
Headers show
Series Add vcpu debugfs to record statstical data for every single | expand

Commit Message

chenxiang Dec. 6, 2022, 12:58 p.m. UTC 
From: Xiang Chen <chenxiang66@hisilicon.com>

Sometimes statistical data of vcpus is helpful for locating some issues,
so enable vcpu debugfs for ARM64.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
---
 arch/arm64/include/asm/kvm_host.h | 1 +
 arch/arm64/kvm/arm.c              | 4 ++++
 2 files changed, 5 insertions(+)
diff mbox series

Patch

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)
 {