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Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging support, Secure Memory Encryption support

From Borislav Petkov <bp@alien8.de>
Newsgroups linux.kernel
Subject Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging support, Secure Memory Encryption support
Date 2017-09-05 23:50 +0200
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References <ulW1k-3LR-7@gated-at.bofh.it> <umtqh-8fp-15@gated-at.bofh.it> <umtJD-8oY-5@gated-at.bofh.it>
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On Tue, Sep 05, 2017 at 02:37:41PM -0700, Andy Lutomirski wrote:
> I can also imagine SME's very clever CR3 masking causing a problem.

So that mask should be 0 on an !SME system. One of the main goals of the
SME code was to have no effect when SME is disabled/not available.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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[GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Ingo Molnar <mingo@kernel.org> - 2017-09-04 11:40 +0200
  Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level  paging support, Secure Memory Encryption support "Kirill A. Shutemov" <kirill@shutemov.name> - 2017-09-04 14:30 +0200
    Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Thomas Gleixner <tglx@linutronix.de> - 2017-09-04 15:10 +0200
      Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level  paging support, Secure Memory Encryption support Ingo Molnar <mingo@kernel.org> - 2017-09-04 16:00 +0200
  Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-05 23:20 +0200
    Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging support, Secure Memory Encryption support Andy Lutomirski <luto@amacapital.net> - 2017-09-05 23:40 +0200
      Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level  paging support, Secure Memory Encryption support Borislav Petkov <bp@alien8.de> - 2017-09-05 23:50 +0200
    Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level  paging support, Secure Memory Encryption support Ingo Molnar <mingo@kernel.org> - 2017-09-05 23:50 +0200
      Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-05 23:50 +0200
        Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Andy Lutomirski <luto@kernel.org> - 2017-09-06 00:40 +0200
        Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-06 00:40 +0200
          Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-06 01:10 +0200
            Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Jiri Kosina <jikos@kernel.org> - 2017-09-06 23:00 +0200
              Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Jiri Kosina <jikos@kernel.org> - 2017-09-06 23:20 +0200
                Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Andy Lutomirski <luto@kernel.org> - 2017-09-07 00:30 +0200
      Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging  support, Secure Memory Encryption support Linus Torvalds <torvalds@linux-foundation.org> - 2017-09-06 00:00 +0200
        Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level  paging support, Secure Memory Encryption support Ingo Molnar <mingo@kernel.org> - 2017-09-07 10:10 +0200
          Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level  paging support, Secure Memory Encryption support Ingo Molnar <mingo@kernel.org> - 2017-09-07 10:20 +0200

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