On Mon, 2023-10-30 at 11:20 -0700, Haitao Huang wrote:
> +static int __init sgx_epc_cgroup_init(void)
> +{
> + struct misc_cg *cg;
> +
> + if (!boot_cpu_has(X86_FEATURE_SGX))
> + return 0;
> +
> + cg = misc_cg_root();
> + BUG_ON(!cg);
> +
> + return sgx_epc_cgroup_alloc(cg);
> +}
> +subsys_initcall(sgx_epc_cgroup_init);
This should be called from sgx_init(), which is the place to init SGX related
staff. In case you didn't notice, sgx_init() is actually device_initcall(),
which is actually called _after_ the subsys_initcall() you used above.
