linux-kernel - Re: [PATCH v5 08/12] x86/tdx: Add HLT support for TDX guest

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Message-ID: <67faf8de-0bd6-7991-c9bd-f36810df4bd0@linux.intel.com>
Date:   Tue, 24 Aug 2021 11:28:31 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     "Kuppuswamy, Sathyanarayanan" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Borislav Petkov <bp@...en8.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>,
        Peter H Anvin <hpa@...or.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
        Kuppuswamy Sathyanarayanan <knsathya@...nel.org>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 08/12] x86/tdx: Add HLT support for TDX guest


>> It would be helpful to use local variables to document what's up, e.g.
>>
>>       const bool irqs_enabled = true;
>>     const bool do_sti = true;
>>
>>     ret = _tdx_hypercall(EXIT_REASON_HLT, irqs_enabled0, 0, 0, 
>> do_sti, NULL);
>
> Ok. I can follow your suggestion in next submission.


I would use defines for the argument values, then it's self documenting.


-Andi