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-rw-r--r--virt/kvm/kvm_main.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 28510e72618a..d92c3d5b0fbe 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3846,7 +3846,12 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
* kvm_arch_init makes sure there's at most one caller
* for architectures that support multiple implementations,
* like intel and amd on x86.
+ * kvm_arch_init must be called before kvm_irqfd_init to avoid creating
+ * conflicts in case kvm is already setup for another implementation.
*/
+ r = kvm_irqfd_init();
+ if (r)
+ goto out_irqfd;
if (!zalloc_cpumask_var(&cpus_hardware_enabled, GFP_KERNEL)) {
r = -ENOMEM;
@@ -3928,6 +3933,7 @@ out_free_0a:
free_cpumask_var(cpus_hardware_enabled);
out_free_0:
kvm_irqfd_exit();
+out_irqfd:
kvm_arch_exit();
out_fail:
return r;