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Thu, 15 Aug 2019 16:25:06 +0000 From: "Suthikulpanit, Suravee" To: "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" CC: "pbonzini@redhat.com" , "rkrcmar@redhat.com" , "joro@8bytes.org" , "graf@amazon.com" , "jschoenh@amazon.de" , "karahmed@amazon.de" , "rimasluk@amazon.com" , "Grimm, Jon" , "Suthikulpanit, Suravee" Subject: [PATCH v2 03/15] kvm: Add arch-specific per-VM debugfs support Thread-Topic: [PATCH v2 03/15] kvm: Add arch-specific per-VM debugfs support Thread-Index: AQHVU4X/dxH6W6viB0OTINL2tjPgVQ== Date: Thu, 15 Aug 2019 16:25:05 +0000 Message-ID: <1565886293-115836-4-git-send-email-suravee.suthikulpanit@amd.com> References: <1565886293-115836-1-git-send-email-suravee.suthikulpanit@amd.com> In-Reply-To: <1565886293-115836-1-git-send-email-suravee.suthikulpanit@amd.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [165.204.78.1] x-clientproxiedby: SN6PR04CA0084.namprd04.prod.outlook.com (2603:10b6:805:f2::25) To DM6PR12MB2844.namprd12.prod.outlook.com (2603:10b6:5:45::32) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Suravee.Suthikulpanit@amd.com; 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Signed-off-by: Suravee Suthikulpanit --- arch/mips/kvm/mips.c | 5 +++++ arch/powerpc/kvm/powerpc.c | 5 +++++ arch/s390/kvm/kvm-s390.c | 5 +++++ arch/x86/kvm/debugfs.c | 5 +++++ include/linux/kvm_host.h | 1 + virt/kvm/arm/arm.c | 5 +++++ virt/kvm/kvm_main.c | 2 +- 7 files changed, 27 insertions(+), 1 deletion(-) diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 0369f26..d8325b7 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -160,6 +160,11 @@ int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu= ) return 0; } =20 +int kvm_arch_create_vm_debugfs(struct kvm *kvm) +{ + return 0; +} + void kvm_mips_free_vcpus(struct kvm *kvm) { unsigned int i; diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 6d704ad..44766af 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -462,6 +462,11 @@ int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu= ) return 0; } =20 +int kvm_arch_create_vm_debugfs(struct kvm *kvm) +{ + return 0; +} + void kvm_arch_destroy_vm(struct kvm *kvm) { unsigned int i; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 28ebd64..243b5c4 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2518,6 +2518,11 @@ int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vc= pu) return 0; } =20 +int kvm_arch_create_vm_debugfs(struct kvm *kvm) +{ + return 0; +} + void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) { VCPU_EVENT(vcpu, 3, "%s", "free cpu"); diff --git a/arch/x86/kvm/debugfs.c b/arch/x86/kvm/debugfs.c index 329361b..d62852c 100644 --- a/arch/x86/kvm/debugfs.c +++ b/arch/x86/kvm/debugfs.c @@ -48,6 +48,11 @@ static int vcpu_get_tsc_scaling_frac_bits(void *data, u6= 4 *val) =20 DEFINE_SIMPLE_ATTRIBUTE(vcpu_tsc_scaling_frac_fops, vcpu_get_tsc_scaling_f= rac_bits, NULL, "%llu\n"); =20 +int kvm_arch_create_vm_debugfs(struct kvm *kvm) +{ + return 0; +} + int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) { struct dentry *ret; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index d1ad38a..ef9f176 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -862,6 +862,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu= *vcpu, =20 bool kvm_arch_has_vcpu_debugfs(void); int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu); +int kvm_arch_create_vm_debugfs(struct kvm *kvm); =20 int kvm_arch_hardware_enable(void); void kvm_arch_hardware_disable(void); diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c index bd5c559..8812c55 100644 --- a/virt/kvm/arm/arm.c +++ b/virt/kvm/arm/arm.c @@ -154,6 +154,11 @@ int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu= ) return 0; } =20 +int kvm_arch_create_vm_debugfs(struct kvm *kvm) +{ + return 0; +} + vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf= ) { return VM_FAULT_SIGBUS; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 2f2d24a..e39db0c 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -620,7 +620,7 @@ static int kvm_create_vm_debugfs(struct kvm *kvm, int f= d) debugfs_create_file(p->name, 0644, kvm->debugfs_dentry, stat_data, stat_fops_per_vm[p->kind]); } - return 0; + return kvm_arch_create_vm_debugfs(kvm); } =20 static struct kvm *kvm_create_vm(unsigned long type) --=20 1.8.3.1