linux-kernel - Re: [RFC v2-fix-v1 1/1] x86/tdx: Add __tdx_module_call() and __tdx

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Message-ID: <02e7b229-4b6f-c1c7-bb63-48e5e9eca5db@linux.intel.com>
Date:   Wed, 19 May 2021 12:13:11 -0700
From:   "Kuppuswamy, Sathyanarayanan" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Dave Hansen <dave.hansen@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>
Cc:     Tony Luck <tony.luck@...el.com>, Andi Kleen <ak@...ux.intel.com>,
        Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
        Kuppuswamy Sathyanarayanan <knsathya@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Raj Ashok <ashok.raj@...el.com>,
        Sean Christopherson <seanjc@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC v2-fix-v1 1/1] x86/tdx: Add __tdx_module_call() and
 __tdx_hypercall() helper functions



On 5/19/21 8:31 AM, Dave Hansen wrote:
> Was this "older compiler" argument really the reason?

It is a speculation. I haven't tried to reproduce it with old compiler. So
I have removed that point.

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer