linux-kernel - Re: [PATCH v38 15/24] x86/sgx: Enable provisioning for remote attestation

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Message-ID: <20200921212638.GB59547@linux.intel.com>
Date:   Tue, 22 Sep 2020 00:26:38 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     x86@...nel.org, linux-sgx@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        Jethro Beekman <jethro@...tanix.com>,
        Darren Kenny <darren.kenny@...cle.com>,
        Andy Lutomirski <luto@...nel.org>, akpm@...ux-foundation.org,
        andriy.shevchenko@...ux.intel.com, asapek@...gle.com,
        cedric.xing@...el.com, chenalexchen@...gle.com,
        conradparker@...gle.com, cyhanish@...gle.com,
        dave.hansen@...el.com, haitao.huang@...el.com,
        josh@...htriplett.org, kai.huang@...el.com, kai.svahn@...el.com,
        kmoy@...gle.com, ludloff@...gle.com, nhorman@...hat.com,
        npmccallum@...hat.com, puiterwijk@...hat.com, rientjes@...gle.com,
        sean.j.christopherson@...el.com, tglx@...utronix.de,
        yaozhangx@...gle.com
Subject: Re: [PATCH v38 15/24] x86/sgx: Enable provisioning for remote
 attestation

On Mon, Sep 21, 2020 at 09:41:56PM +0200, Borislav Petkov wrote:
> On Mon, Sep 21, 2020 at 10:27:06PM +0300, Jarkko Sakkinen wrote:
> > 'sgx_dev_enclave' is successfully register whenever that happens. Am I
> > missing something here?
> 
> No, I was missing the fact that you have *two* misc devices and you're
> deregistering the first one in the error path of the second.
> 
> Forget what I said. ;-\

Ok, great.

BTW, probably would make sense to rewrite the short summary as:

"x86/sgx: Add SGX_IOC_ENCLAVE_PROVISION"

for the sake of consistency with the three precursoring patches.

> -- 
> Regards/Gruss,
>     Boris.
> 
> https://people.kernel.org/tglx/notes-about-netiquette

/Jarkko