linux-kernel - Re: [PATCH v3 1/7] x86/sgx: Provide indication of life-cycle of EPC pages

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Message-ID: <YQHxLG5fSTWPgez6@google.com>
Date:   Thu, 29 Jul 2021 00:07:08 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     "Luck, Tony" <tony.luck@...el.com>
Cc:     "Hansen, Dave" <dave.hansen@...el.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/7] x86/sgx: Provide indication of life-cycle of EPC
 pages

On Wed, Jul 28, 2021, Luck, Tony wrote:
> > -       epc_page = sgx_alloc_epc_page(NULL, true);
> > +       epc_page = sgx_alloc_epc_page(va_page, true);
> 
> Providing a real value for the owner seems much better than all the hacks
> to invent a value to use instead of NULL.
> 
> Can you add a "Signed-off-by"? Then I'll replace my part 0001 with your version.

Signed-off-by: Sean Christopherson <seanjc@...gle.com>

> -Tony
> 
> [Just need to coax you into re-writing all the other parts for me now :-) ]

LOL, it might be easier to convince folks to just kill off SGX ;-)