Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active

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To: Brijesh Singh <brijesh.singh@xxxxxxx>
Subject: Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
From: Borislav Petkov <bp@xxxxxxx>
Date: Fri, 15 Sep 2017 16:40:03 +0200
Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, David Laight <David.Laight@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "linux-efi@xxxxxxxxxxxxxxx" <linux-efi@xxxxxxxxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>, "kvm@xxxxxxxxxxxxxxx" <kvm@xxxxxxxxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Christoph Lameter <cl@xxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Radim Krcmár <rkrcmar@xxxxxxxxxx>, Piotr Luc <piotr.luc@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Dave Airlie <airlied@xxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Reza Arbab <arbab@xxxxxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Laura Abbott <labbott@xxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Ard.Biesheuvel@xxxxxxxxx
In-reply-to: <95314c89-2620-8bb7-cbe8-cd9bc3adabb0@amd.com>
User-agent: NeoMutt/20170113 (1.7.2)

On Fri, Sep 15, 2017 at 09:13:00AM -0500, Brijesh Singh wrote:
> thanks for the suggestion Boris, it will make patch much simpler.
> I will try this out.

It won't build - this was supposed to show the general idea.

I need to figure out the include hell first.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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Follow-Ups:
- Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
  - From: Brijesh Singh

References:
- [RFC Part1 PATCH v3 00/17] x86: Secure Encrypted Virtualization (AMD)
  - From: Brijesh Singh
- [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
  - From: Brijesh Singh
- RE: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
  - From: David Laight
- Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
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- Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
  - From: Brijesh Singh
- Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
  - From: H. Peter Anvin
- Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
  - From: Brijesh Singh
- Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
  - From: Borislav Petkov
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  - From: Borislav Petkov
- Re: [RFC Part1 PATCH v3 13/17] x86/io: Unroll string I/O when SEV is active
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