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Re: [PATCH] x86/CPU/AMD, mm: Extend with mem_encrypt=sme option

From Borislav Petkov <bp@suse.de>
Newsgroups linux.kernel
Subject Re: [PATCH] x86/CPU/AMD, mm: Extend with mem_encrypt=sme option
Date 2017-10-02 00:10 +0200
Message-ID <uvUAW-7D7-13@gated-at.bofh.it> (permalink)
References <uvQ4h-4Te-1@gated-at.bofh.it> <uvUAW-7D7-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Sun, Oct 01, 2017 at 02:45:09PM -0500, Brijesh Singh wrote:
> >
> > So I want to be able to disable SEV and the whole code that comes with
> > it in the *host*.
> 
> We can add a new variable 'sme_only'. By default this variable should be set
> to false. When mem_encrypt=sme is passed then set it to true and
> based on sme_only state early_detect_mem_encrypt() can clear X86_FEATURE_SEV
> flag.

Why would you need yet another variable? We have sev_enabled already?!?

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
-- 

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Thread

Re: [Part1 PATCH v5 02/17] x86/mm: Add Secure Encrypted  Virtualization (SEV) support Borislav Petkov <bp@suse.de> - 2017-09-28 11:10 +0200
  Re: [Part1 PATCH v5 02/17] x86/mm: Add Secure Encrypted  Virtualization (SEV) support Borislav Petkov <bp@suse.de> - 2017-09-28 21:30 +0200
    Re: [Part1 PATCH v5 02/17] x86/mm: Add Secure Encrypted  Virtualization (SEV) support Borislav Petkov <bp@suse.de> - 2017-09-29 16:50 +0200
      Re: [Part1 PATCH v5 02/17] x86/mm: Add Secure Encrypted  Virtualization (SEV) support Borislav Petkov <bp@suse.de> - 2017-09-29 18:00 +0200
  Re: [Part1 PATCH v5.1 02/17] x86/mm: Add Secure Encrypted  Virtualization (SEV) support Borislav Petkov <bp@suse.de> - 2017-09-30 11:00 +0200
  [PATCH] x86/CPU/AMD, mm: Extend with mem_encrypt=sme option Borislav Petkov <bp@suse.de> - 2017-09-30 14:00 +0200
    Re: [PATCH] x86/CPU/AMD, mm: Extend with mem_encrypt=sme option Borislav Petkov <bp@suse.de> - 2017-09-30 23:50 +0200
      Re: [PATCH] x86/CPU/AMD, mm: Extend with mem_encrypt=sme option Borislav Petkov <bp@suse.de> - 2017-10-01 19:20 +0200
        Re: [PATCH] x86/CPU/AMD, mm: Extend with mem_encrypt=sme option Borislav Petkov <bp@suse.de> - 2017-10-02 00:10 +0200
          Re: [PATCH] x86/CPU/AMD, mm: Extend with mem_encrypt=sme option Borislav Petkov <bp@suse.de> - 2017-10-02 14:50 +0200

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