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Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI)

From David Miller <davem@davemloft.net>
Newsgroups linux.kernel
Subject Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI)
Date 2016-03-07 20:30 +0100
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References <ra7Ls-6kn-21@gated-at.bofh.it> <ra84O-6rV-27@gated-at.bofh.it> <ra8xQ-6CZ-21@gated-at.bofh.it>
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From: Andy Lutomirski <luto@amacapital.net>
Date: Mon, 7 Mar 2016 10:49:57 -0800

> What data structure or structures changes when this stxa instruction happens?

An internal table, maintained by the CPU and/or hypervisor, and if in physical
addresses then in a region which is only accessible by the hypervisor.

The table is not accessible by the kernel at all via loads or stores.

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Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-06 05:10 +0100
  Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 16:10 +0100
    Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Rob Gardner <rob.gardner@oracle.com> - 2016-03-07 16:40 +0100
      Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 16:50 +0100
      Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI) Andy Lutomirski <luto@amacapital.net> - 2016-03-07 16:50 +0100
        Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 17:10 +0100
          Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Dave Hansen <dave.hansen@linux.intel.com> - 2016-03-07 18:50 +0100
            Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI) Andy Lutomirski <luto@amacapital.net> - 2016-03-07 19:00 +0100
              Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Dave Hansen <dave.hansen@linux.intel.com> - 2016-03-07 19:20 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 19:50 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI) Andy Lutomirski <luto@amacapital.net> - 2016-03-07 20:00 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 20:30 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 20:50 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Dave Hansen <dave.hansen@linux.intel.com> - 2016-03-07 23:50 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Rob Gardner <rob.gardner@oracle.com> - 2016-03-08 02:40 +0100
            Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 22:10 +0100
              Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-08 21:00 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-08 21:20 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-08 21:30 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-08 22:10 +0100
    Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 17:50 +0100
      Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 19:00 +0100
    Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 18:00 +0100
      Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI) Andy Lutomirski <luto@amacapital.net> - 2016-03-07 19:10 +0100
        Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 19:30 +0100
          Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI) Andy Lutomirski <luto@amacapital.net> - 2016-03-07 20:00 +0100
            Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 20:30 +0100
            Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 20:50 +0100
              Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI) Andy Lutomirski <luto@amacapital.net> - 2016-03-07 21:00 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 21:50 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 22:00 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI) Andy Lutomirski <luto@amacapital.net> - 2016-03-07 22:10 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 22:20 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) James Morris <james.l.morris@oracle.com> - 2016-03-08 00:40 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) James Morris <james.l.morris@oracle.com> - 2016-03-08 01:00 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) James Morris <james.l.morris@oracle.com> - 2016-03-08 10:40 +0100
      Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 19:10 +0100
        Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Rob Gardner <rob.gardner@oracle.com> - 2016-03-07 19:20 +0100
          Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 19:30 +0100
            Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 20:20 +0100
              Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 22:40 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 22:40 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Rob Gardner <rob.gardner@oracle.com> - 2016-03-08 00:20 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-08 05:20 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Rob Gardner <rob.gardner@oracle.com> - 2016-03-08 00:20 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-08 00:30 +0100
              Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-08 01:30 +0100
                Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-08 05:30 +0100
            Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Rob Gardner <rob.gardner@oracle.com> - 2016-03-08 00:40 +0100
        Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 20:10 +0100
          Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 22:30 +0100
            Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) David Miller <davem@davemloft.net> - 2016-03-07 22:40 +0100
              Re: [PATCH v2] sparc64: Add support for Application Data Integrity  (ADI) Khalid Aziz <khalid.aziz@oracle.com> - 2016-03-07 23:40 +0100

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