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Date: Tue, 10 May 2016 15:57:58 +0200
From: Borislav Petkov <bp@alien8.de>
To: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Tom Lendacky <thomas.lendacky@amd.com>, linux-arch@vger.kernel.org,
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        Paolo Bonzini <pbonzini@redhat.com>, Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
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        Alexander Potapenko <glider@google.com>,
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Subject: Re: [RFC PATCH v1 10/18] x86/efi: Access EFI related tables in the
 clear
Message-ID: <20160510135758.GA16783@pd.tnic>
References: <20160426225553.13567.19459.stgit@tlendack-t1.amdoffice.net>
 <20160426225740.13567.85438.stgit@tlendack-t1.amdoffice.net>
 <20160510134358.GR2839@codeblueprint.co.uk>
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On Tue, May 10, 2016 at 02:43:58PM +0100, Matt Fleming wrote:
> Is it not possible to maintain some kind of kernel virtual address
> mapping so memremap*() and friends can figure out when to twiddle the
> mapping attributes and map with/without encryption?

I guess we can move the sme_* specific stuff one indirection layer
below, i.e., in the *memremap() routines so that callers don't have to
care... That should keep the churn down...

-- 
Regards/Gruss,
    Boris.

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