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Re: [RFC PATCH v2 12/20] x86: Add support for changing memory encryption attribute

From Borislav Petkov <bp@alien8.de>
Newsgroups linux.kernel
Subject Re: [RFC PATCH v2 12/20] x86: Add support for changing memory encryption attribute
Date 2016-09-12 18:50 +0200
Message-ID <sgCAF-5NW-11@gated-at.bofh.it> (permalink)
References <s9VRL-5gY-3@gated-at.bofh.it> <sfxMK-5Sg-13@gated-at.bofh.it> <sfxMK-5Sg-11@gated-at.bofh.it> <sgCAF-5NW-13@gated-at.bofh.it>
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On Mon, Sep 12, 2016 at 10:41:29AM -0500, Tom Lendacky wrote:
> Looking at __change_page_attr_set_clr() isn't it possible for some of
> the pages to be changed before an error is encountered since it is
> looping?  If so, we may still need to flush. The CPA_FLUSHTLB flag
> should take care of a failing case where no attributes have actually
> been changed.

Ah, yes, ok, then yours is correct.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.

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Re: [RFC PATCH v2 12/20] x86: Add support for changing memory  encryption attribute Borislav Petkov <bp@alien8.de> - 2016-09-09 19:30 +0200
  Re: [RFC PATCH v2 12/20] x86: Add support for changing memory  encryption attribute Borislav Petkov <bp@alien8.de> - 2016-09-12 18:50 +0200

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