linux-kernel - Re: [PATCH v1 1/7] x86/mm: Move force_dma

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Message-ID: <0b33a843-d68e-657c-ff4d-239501fe05c8@linux.intel.com>
Date:   Fri, 11 Jun 2021 09:00:58 -0700
From:   "Kuppuswamy, Sathyanarayanan" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Tom Lendacky <thomas.lendacky@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>
Cc:     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>,
        Andi Kleen <ak@...ux.intel.com>,
        Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Kuppuswamy Sathyanarayanan <knsathya@...nel.org>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/7] x86/mm: Move force_dma_unencrypted() to common
 code



On 6/11/21 7:43 AM, Tom Lendacky wrote:
> Until other stuff is added, this should probably just be:
> 
> 	return amd_force_dma_unencrypted(dev);

Make sense. I will add sev and sme related checks when I extend it
for TDX.

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer