Re: [PATCH v25 10/21] x86/sgx: Linux Enclave Driver

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On Tue, 04 Feb 2020 00:05:34 -0600, Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote:
...
+const struct file_operations sgx_provision_fops = {
+	.owner			= THIS_MODULE,
+};
+
+static struct miscdevice sgx_dev_enclave = {
+	.minor = MISC_DYNAMIC_MINOR,
+	.name = "enclave",
+	.nodename = "sgx/enclave",
+	.fops = &sgx_encl_fops,
+};
+

How does kernel manage name conflict if multiple misc device requesting "enclave" ?

And the attributes for a udev rule to match this device according to udevadm output are:
SUBSYSTEM=="misc",KERNEL=="enclave"

Is that specific enough to uniquely match this device?

Similar questions for the "provision" device introduced later in this series.

Thanks
Haitao



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