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Date:   Mon, 22 Apr 2019 14:35:37 -0700
From:   Sean Christopherson <sean.j.christopherson@intel.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc:     linux-kernel@vger.kernel.org, x86@kernel.org,
        linux-sgx@vger.kernel.org, akpm@linux-foundation.org,
        dave.hansen@intel.com, nhorman@redhat.com, npmccallum@redhat.com,
        serge.ayoun@intel.com, shay.katz-zamir@intel.com,
        haitao.huang@intel.com, andriy.shevchenko@linux.intel.com,
        tglx@linutronix.de, kai.svahn@intel.com, bp@alien8.de,
        josh@joshtriplett.org, luto@kernel.org, kai.huang@intel.com,
        rientjes@google.com
Subject: Re: [PATCH v20 09/28] x86/sgx: Add ENCLS architectural error codes
Message-ID: <20190422213537.GK1236@linux.intel.com>
References: <20190417103938.7762-1-jarkko.sakkinen@linux.intel.com>
 <20190417103938.7762-10-jarkko.sakkinen@linux.intel.com>
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On Wed, Apr 17, 2019 at 01:39:19PM +0300, Jarkko Sakkinen wrote:
> The SGX architecture defines an extensive set of error codes that are
> used by ENCL{S,U,V} instructions to provide software with (somewhat)
> precise error information.  Though they are architectural, define the
> known error codes in a separate file from sgx_arch.h so that they can
> be exposed to userspace.  For some ENCLS leafs, e.g. EINIT, returning
> the exact error code on failure can enable userspace to make informed
> decisions when an operation fails.
> 
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> Co-developed-by: Sean Christopherson <sean.j.christopherson@intel.com>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
> ---

Your SOB needs to be last.  Several other patches have the same issue,
e.g. 10-13, 15 and 17.

See commit 24a2bb90741b ("docs: Clarify the usage and sign-off requirements
for Co-developed-by") in branch docs-next of git://git.lwn.net/linux.git.