linux-kernel - Re: [PATCHv2 57/59] x86/mktme: Document the MKTME Key Service API

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Message-ID: <20190805204453.GB7592@alison-desk.jf.intel.com>
Date:   Mon, 5 Aug 2019 13:44:53 -0700
From:   Alison Schofield <alison.schofield@...el.com>
To:     Ben Boeckel <mathstuf@...il.com>
Cc:     "Kirill A. Shutemov" <kirill@...temov.name>,
        Andrew Morton <akpm@...ux-foundation.org>, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...capital.net>,
        David Howells <dhowells@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Kai Huang <kai.huang@...ux.intel.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>, linux-mm@...ck.org,
        kvm@...r.kernel.org, keyrings@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCHv2 57/59] x86/mktme: Document the MKTME Key Service API

On Mon, Aug 05, 2019 at 07:58:37AM -0400, Ben Boeckel wrote:
> On Wed, Jul 31, 2019 at 18:08:11 +0300, Kirill A. Shutemov wrote:
> > +	key = add_key("mktme", "name", "no-encrypt", strlen(options_CPU),
> > +		      KEY_SPEC_THREAD_KEYRING);
> 
> Should this be `type=no-encrypt` here? Also, seems like copy/paste from
> the `type=cpu` case for the `strlen` call.
> 
> --Ben

Yes. Fixed up as follows:

	Add a "no-encrypt' type key::

        char \*options_NOENCRYPT = "type=no-encrypt";

        key = add_key("mktme", "name", options_NOENCRYPT,
                      strlen(options_NOENCRYPT), KEY_SPEC_THREAD_KEYRING);

Thanks for the review,
Alison