On Wed, 31 Aug 2016 13:05:44 -0400
Luiz Capitulino <lcapitulino@xxxxxxxxxx> wrote:
> kvm_arch_create_vm_debugfs() allows arch specific code to
> create entries in the VM's directory in debugfs. x86 will
> implement support for this in the next commit.
I think we can use __weak symbol for other arch.
Thank you,
>
> Signed-off-by: Luiz Capitulino <lcapitulino@xxxxxxxxxx>
> ---
> arch/arm/kvm/arm.c | 5 +++++
> arch/mips/kvm/mips.c | 5 +++++
> arch/powerpc/kvm/powerpc.c | 5 +++++
> arch/s390/kvm/kvm-s390.c | 5 +++++
> arch/x86/kvm/x86.c | 5 +++++
> include/linux/kvm_host.h | 2 ++
> virt/kvm/kvm_main.c | 4 ++++
> 7 files changed, 31 insertions(+)
>
> diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
> index 75f130e..491211f 100644
> --- a/arch/arm/kvm/arm.c
> +++ b/arch/arm/kvm/arm.c
> @@ -144,6 +144,11 @@ out_fail_alloc:
> return ret;
> }
>
> +int kvm_arch_create_vm_debugfs(struct kvm *kvm)
> +{
> + return 0;
> +}
> +
> int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf)
> {
> return VM_FAULT_SIGBUS;
> diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
> index a6ea084..a854b8b 100644
> --- a/arch/mips/kvm/mips.c
> +++ b/arch/mips/kvm/mips.c
> @@ -140,6 +140,11 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
> return 0;
> }
>
> +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 6ce40dd..d8867e5 100644
> --- a/arch/powerpc/kvm/powerpc.c
> +++ b/arch/powerpc/kvm/powerpc.c
> @@ -436,6 +436,11 @@ err_out:
> return -EINVAL;
> }
>
> +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 f142215..406324c 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -1490,6 +1490,11 @@ out_err:
> return rc;
> }
>
> +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/x86.c b/arch/x86/kvm/x86.c
> index 19f9f9e..18dfbac 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -7779,6 +7779,11 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
> return 0;
> }
>
> +int kvm_arch_create_vm_debugfs(struct kvm *kvm)
> +{
> + return 0;
> +}
> +
> static void kvm_unload_vcpu_mmu(struct kvm_vcpu *vcpu)
> {
> int r;
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 9c28b4d..d3810bf 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -835,6 +835,8 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type);
> void kvm_arch_destroy_vm(struct kvm *kvm);
> void kvm_arch_sync_events(struct kvm *kvm);
>
> +int kvm_arch_create_vm_debugfs(struct kvm *kvm);
> +
> int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
> void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
>
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 9293285..2db53a8 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -601,6 +601,10 @@ static int kvm_create_vm_debugfs(struct kvm *kvm, int fd)
> stat_fops_per_vm[p->kind]))
> goto out_err;
> }
> +
> + if (kvm_arch_create_vm_debugfs(kvm) < 0)
> + goto out_err;
> +
> return 0;
>
> out_err:
> --
> 2.5.5
>
--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>
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