linux-kernel - Re: [RFC PATCH 0/2] Fix SEV user-space mapping of unencrypted coherent memory

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Message-ID: <20190905112311.GA10199@infradead.org>
Date:   Thu, 5 Sep 2019 04:23:11 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Thomas Hellström (VMware) 
        <thomas_os@...pmail.org>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        pv-drivers@...are.com, Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Christoph Hellwig <hch@...radead.org>,
        Christian König <christian.koenig@....com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [RFC PATCH 0/2] Fix SEV user-space mapping of unencrypted
 coherent memory

This looks fine from the DMA POV.  I'll let the x86 guys comment on the
rest.