linux-kernel - Re: [PATCH v5 06/11] intel_sgx: driver for Intel Software Guard Extensions

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Date:   Tue, 14 Nov 2017 10:41:50 +1100 (AEDT)
From:   James Morris <james.l.morris@...cle.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
cc:     intel-sgx-kernel-dev@...ts.01.org,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 06/11] intel_sgx: driver for Intel Software Guard
 Extensions

On Mon, 13 Nov 2017, Jarkko Sakkinen wrote:

> +
> +	secs_epc = sgx_alloc_page(0);

Use SGX_ALLOC_ATOMIC instead of 0 ?

> +	if (IS_ERR(secs_epc)) {
> +		ret = PTR_ERR(secs_epc);
> +		goto out;
> +	}

> +out:
> +	if (encl)
> +		kref_put(&encl->refcount, sgx_encl_release);
> +	return ret;
> +}

Don't you need an sgx_free_page() somewhere here?



-- 
James Morris
<james.l.morris@...cle.com>