Messages in this thread Patch in this message | | | From | Fabiano Rosas <> | Subject | Re: [PATCH kernel] KVM: PPC: Book3S HV: Make unique debugfs nodename | Date | Tue, 17 Aug 2021 19:20:57 -0300 |
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Alexey Kardashevskiy <aik@ozlabs.ru> writes:
> On 07/07/2021 14:13, Alexey Kardashevskiy wrote:
> alternatively move this debugfs stuff under the platform-independent > directory, how about that?
That's a good idea. I only now realized we have two separate directories for the same guest:
$ ls /sys/kernel/debug/kvm/ | grep $pid 19062-11 vm19062
Looks like we would have to implement kvm_arch_create_vcpu_debugfs for the vcpu information and add a similar hook for the vm.
>> --- >> arch/powerpc/kvm/book3s_hv.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c >> index 1d1fcc290fca..0223ddc0eed0 100644 >> --- a/arch/powerpc/kvm/book3s_hv.c >> +++ b/arch/powerpc/kvm/book3s_hv.c >> @@ -5227,7 +5227,7 @@ static int kvmppc_core_init_vm_hv(struct kvm *kvm) >> /* >> * Create a debugfs directory for the VM >> */ >> - snprintf(buf, sizeof(buf), "vm%d", current->pid); >> + snprintf(buf, sizeof(buf), "vm%d-lp%ld", current->pid, lpid); >> kvm->arch.debugfs_dir = debugfs_create_dir(buf, kvm_debugfs_dir); >> kvmppc_mmu_debugfs_init(kvm); >> if (radix_enabled()) >>
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