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authorPaolo Bonzini <pbonzini@redhat.com>2020-04-01 00:42:22 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2020-04-21 09:13:00 -0400
commit63d04348371b7ea4a134bcf47c79763d969e9168 (patch)
treee8ffd45d636fc2fca1bfeaaf2487172639dc3ac2 /virt
parent1c164cb3ffd084e5359a56abde715acf121e69a4 (diff)
downloadlinux-63d04348371b7ea4a134bcf47c79763d969e9168.tar.bz2
KVM: x86: move kvm_create_vcpu_debugfs after last failure point
The placement of kvm_create_vcpu_debugfs is more or less irrelevant, since it cannot fail and userspace should not care about the debugfs entries until it knows the vcpu has been created. Moving it after the last failure point removes the need to remove the directory when unwinding the creation. Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Message-Id: <20200331224222.393439-1-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 03571f6acaa8..da8fd45e0e3e 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3031,8 +3031,6 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
if (r)
goto vcpu_free_run_page;
- kvm_create_vcpu_debugfs(vcpu);
-
mutex_lock(&kvm->lock);
if (kvm_get_vcpu_by_id(kvm, id)) {
r = -EEXIST;
@@ -3061,11 +3059,11 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
mutex_unlock(&kvm->lock);
kvm_arch_vcpu_postcreate(vcpu);
+ kvm_create_vcpu_debugfs(vcpu);
return r;
unlock_vcpu_destroy:
mutex_unlock(&kvm->lock);
- debugfs_remove_recursive(vcpu->debugfs_dentry);
kvm_arch_vcpu_destroy(vcpu);
vcpu_free_run_page:
free_page((unsigned long)vcpu->run);