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[xen-unstable test] 125304: trouble: broken/fail/pass



flight 125304 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/125304/

Failures and problems with tests :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-armhf-armhf-xl-arndale     <job status>                 broken
 test-armhf-armhf-xl-arndale   4 host-install(4)        broken REGR. vs. 125178

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop            fail like 125178
 test-armhf-armhf-libvirt     14 saverestore-support-check    fail  like 125178
 test-amd64-amd64-xl-qemuu-win7-amd64 17 guest-stop            fail like 125178
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop             fail like 125178
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop             fail like 125178
 test-armhf-armhf-libvirt-raw 13 saverestore-support-check    fail  like 125178
 test-amd64-amd64-xl-qemuu-ws16-amd64 17 guest-stop            fail like 125178
 test-amd64-amd64-xl-qemut-ws16-amd64 17 guest-stop            fail like 125178
 test-amd64-i386-xl-qemuu-ws16-amd64 17 guest-stop             fail like 125178
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict 10 debian-hvm-install 
fail never pass
 test-amd64-amd64-xl-qemuu-dmrestrict-amd64-dmrestrict 10 debian-hvm-install 
fail never pass
 test-amd64-i386-libvirt      13 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt     13 migrate-support-check        fail   never pass
 test-amd64-i386-xl-pvshim    12 guest-start                  fail   never pass
 test-arm64-arm64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-arm64-arm64-libvirt-xsm 14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl          13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl          14 saverestore-support-check    fail   never pass
 test-amd64-i386-libvirt-xsm  13 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-amd64-qemuu-nested-amd 17 debian-hvm-install/l1/l2  fail never pass
 test-amd64-amd64-libvirt-vhd 12 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt     13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit2  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit2  14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-cubietruck 13 migrate-support-check        fail never pass
 test-armhf-armhf-xl-cubietruck 14 saverestore-support-check    fail never pass
 test-arm64-arm64-xl-xsm      13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-xsm      14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-credit2  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit2  14 saverestore-support-check    fail   never pass
 test-armhf-armhf-libvirt-raw 12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      13 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-rtds     13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-rtds     14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl          13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl          14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-multivcpu 13 migrate-support-check        fail  never pass
 test-armhf-armhf-xl-multivcpu 14 saverestore-support-check    fail  never pass
 test-amd64-i386-xl-qemut-ws16-amd64 17 guest-stop              fail never pass
 test-amd64-i386-xl-qemuu-win10-i386 10 windows-install         fail never pass
 test-amd64-amd64-xl-qemuu-win10-i386 10 windows-install        fail never pass
 test-amd64-amd64-xl-qemut-win10-i386 10 windows-install        fail never pass
 test-amd64-i386-xl-qemut-win10-i386 10 windows-install         fail never pass

version targeted for testing:
 xen                  a60de1b9f80681859b845f35c1c0e191cddb0b01
baseline version:
 xen                  e3f667bc5f51d0aa44357a64ca134cd952679c81

Last test of basis   125178  2018-07-15 10:20:11 Z    4 days
Failing since        125259  2018-07-17 04:22:41 Z    2 days    2 attempts
Testing same since   125304  2018-07-18 07:49:13 Z    1 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>
  Julien Grall <julien.grall@xxxxxxx>
  Roger Pau Monné <roger.pau@xxxxxxxxxx>
  Wei Liu <wei.liu2@xxxxxxxxxx>

jobs:
 build-amd64-xsm                                              pass    
 build-arm64-xsm                                              pass    
 build-i386-xsm                                               pass    
 build-amd64-xtf                                              pass    
 build-amd64                                                  pass    
 build-arm64                                                  pass    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-arm64-libvirt                                          pass    
 build-armhf-libvirt                                          pass    
 build-i386-libvirt                                           pass    
 build-amd64-prev                                             pass    
 build-i386-prev                                              pass    
 build-amd64-pvops                                            pass    
 build-arm64-pvops                                            pass    
 build-armhf-pvops                                            pass    
 build-i386-pvops                                             pass    
 build-amd64-rumprun                                          pass    
 build-i386-rumprun                                           pass    
 test-xtf-amd64-amd64-1                                       pass    
 test-xtf-amd64-amd64-2                                       pass    
 test-xtf-amd64-amd64-3                                       pass    
 test-xtf-amd64-amd64-4                                       pass    
 test-xtf-amd64-amd64-5                                       pass    
 test-amd64-amd64-xl                                          pass    
 test-arm64-arm64-xl                                          pass    
 test-armhf-armhf-xl                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64-xsm                pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64-xsm                 pass    
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm           pass    
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm            pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-xsm                pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64-xsm                 pass    
 test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm        pass    
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm         pass    
 test-amd64-amd64-libvirt-xsm                                 pass    
 test-arm64-arm64-libvirt-xsm                                 pass    
 test-amd64-i386-libvirt-xsm                                  pass    
 test-amd64-amd64-xl-xsm                                      pass    
 test-arm64-arm64-xl-xsm                                      pass    
 test-amd64-i386-xl-xsm                                       pass    
 test-amd64-amd64-qemuu-nested-amd                            fail    
 test-amd64-amd64-xl-pvhv2-amd                                pass    
 test-amd64-i386-qemut-rhel6hvm-amd                           pass    
 test-amd64-i386-qemuu-rhel6hvm-amd                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64                     pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64                     pass    
 test-amd64-i386-freebsd10-amd64                              pass    
 test-amd64-amd64-xl-qemuu-ovmf-amd64                         pass    
 test-amd64-i386-xl-qemuu-ovmf-amd64                          pass    
 test-amd64-amd64-rumprun-amd64                               pass    
 test-amd64-amd64-xl-qemut-win7-amd64                         fail    
 test-amd64-i386-xl-qemut-win7-amd64                          fail    
 test-amd64-amd64-xl-qemuu-win7-amd64                         fail    
 test-amd64-i386-xl-qemuu-win7-amd64                          fail    
 test-amd64-amd64-xl-qemut-ws16-amd64                         fail    
 test-amd64-i386-xl-qemut-ws16-amd64                          fail    
 test-amd64-amd64-xl-qemuu-ws16-amd64                         fail    
 test-amd64-i386-xl-qemuu-ws16-amd64                          fail    
 test-armhf-armhf-xl-arndale                                  broken  
 test-amd64-amd64-xl-credit2                                  pass    
 test-arm64-arm64-xl-credit2                                  pass    
 test-armhf-armhf-xl-credit2                                  pass    
 test-armhf-armhf-xl-cubietruck                               pass    
 test-amd64-amd64-xl-qemuu-dmrestrict-amd64-dmrestrict        fail    
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict         fail    
 test-amd64-amd64-examine                                     pass    
 test-arm64-arm64-examine                                     pass    
 test-armhf-armhf-examine                                     pass    
 test-amd64-i386-examine                                      pass    
 test-amd64-i386-freebsd10-i386                               pass    
 test-amd64-i386-rumprun-i386                                 pass    
 test-amd64-amd64-xl-qemut-win10-i386                         fail    
 test-amd64-i386-xl-qemut-win10-i386                          fail    
 test-amd64-amd64-xl-qemuu-win10-i386                         fail    
 test-amd64-i386-xl-qemuu-win10-i386                          fail    
 test-amd64-amd64-qemuu-nested-intel                          pass    
 test-amd64-amd64-xl-pvhv2-intel                              pass    
 test-amd64-i386-qemut-rhel6hvm-intel                         pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-amd64-libvirt                                     pass    
 test-armhf-armhf-libvirt                                     pass    
 test-amd64-i386-libvirt                                      pass    
 test-amd64-amd64-livepatch                                   pass    
 test-amd64-i386-livepatch                                    pass    
 test-amd64-amd64-migrupgrade                                 pass    
 test-amd64-i386-migrupgrade                                  pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-armhf-armhf-xl-multivcpu                                pass    
 test-amd64-amd64-pair                                        pass    
 test-amd64-i386-pair                                         pass    
 test-amd64-amd64-libvirt-pair                                pass    
 test-amd64-i386-libvirt-pair                                 pass    
 test-amd64-amd64-amd64-pvgrub                                pass    
 test-amd64-amd64-i386-pvgrub                                 pass    
 test-amd64-amd64-xl-pvshim                                   pass    
 test-amd64-i386-xl-pvshim                                    fail    
 test-amd64-amd64-pygrub                                      pass    
 test-amd64-amd64-xl-qcow2                                    pass    
 test-armhf-armhf-libvirt-raw                                 pass    
 test-amd64-i386-xl-raw                                       pass    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-shadow             pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow              pass    
 test-amd64-amd64-xl-shadow                                   pass    
 test-amd64-i386-xl-shadow                                    pass    
 test-amd64-amd64-libvirt-vhd                                 pass    
 test-armhf-armhf-xl-vhd                                      pass    


------------------------------------------------------------
sg-report-flight on osstest.test-lab.xenproject.org
logs: /home/logs/logs
images: /home/logs/images

Logs, config files, etc. are available at
    http://logs.test-lab.xenproject.org/osstest/logs

Explanation of these reports, and of osstest in general, is at
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README.email;hb=master
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README;hb=master

Test harness code can be found at
    http://xenbits.xen.org/gitweb?p=osstest.git;a=summary

broken-job test-armhf-armhf-xl-arndale broken
broken-step test-armhf-armhf-xl-arndale host-install(4)

Not pushing.

------------------------------------------------------------
commit a60de1b9f80681859b845f35c1c0e191cddb0b01
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue Jul 10 14:01:29 2018 +0100

    x86/msr: Drop stale comment for vcpu_msrs.spec_ctrl
    
    More than the bottom two bits are now defined, and the MSR policy work has
    shown that using non-architectural representations turns out to be 
problematic
    for more than just asm code.  As the architectural representation is the
    expected default, we don't need to justify why we are using it.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

commit 8dab867c81ede455009028a9a88edc4ff3b9da88
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon May 28 14:19:23 2018 +0000

    x86/svm Fixes and cleanup to svm_inject_event()
    
     * State adjustments (and debug tracing) for #DB/#BP/#PF should not be done
       for `int $n` instructions.  Updates to %cr2 occur even if the exception
       combines to #DF.
     * Don't opencode DR_STEP when updating %dr6.
     * Simplify the logic for calling svm_emul_swint_injection() as in the 
common
       case, every condition needs checking.
     * Fix comments which have become stale as code has moved between 
components.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

commit ad43ce53ad2dab6673e750f8793560e6e460ae28
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Mar 14 15:20:05 2018 +0000

    x86/pv: Avoid locked bit manipulation in register_guest_callback()
    
    Changes to arch.vgc_flags are made to current in syncrhonous context only, 
and
    don't need to be locked.  (The only other changes are via
    arch_set_info_guest(), which operates on descheduled vcpus only).
    
    Replace the {set,clear}_bit() calls with compiler-visible bitwise 
operations.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

commit 6f28c09aa96b636ed4027cada570c1f2b8dc590f
Author: Wei Liu <wei.liu2@xxxxxxxxxx>
Date:   Mon Jul 16 15:02:55 2018 +0100

    tools: --with-system-{ovmf,seabios,ipxe} should provide absolute paths
    
    The paths shouldn't be set to "yes". We ask the user to set absolute
    paths because Xen's build system doesn't know where to search, and the
    build machine doesn't necessarily have those binaries present in the
    first place.
    
    Reported-by: Anthony Perard <anthony.perard@xxxxxxxxxx>
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

commit 01d631028a02fe2c54160038cd45d22ff5733b0c
Author: Wei Liu <wei.liu2@xxxxxxxxxx>
Date:   Mon Jul 16 15:02:54 2018 +0100

    tools: provide --with-system-ipxe
    
    This option lets user specify which binary is to be used as ipxe. If
    it is specified, the in-tree ipxe will not be built. This option is in
    line with other --with-system-* options we provide.
    
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

commit e4506f404cb7983d6b424054ba999c6dd26ab4fa
Author: Wei Liu <wei.liu2@xxxxxxxxxx>
Date:   Mon Jul 16 15:02:53 2018 +0100

    tools: load IPXE from standalone file
    
    Do not embed IPXE into Rombios anymore. Instead, it is loaded by the
    toolstack from a file as a separate module.
    
    Ability to let user specify an IPXE blob will come later.
    
    No user visible change.
    
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 2cae31dd472a9677949f55c15f108de9685b96b1
Author: Wei Liu <wei.liu2@xxxxxxxxxx>
Date:   Mon Jul 16 15:02:52 2018 +0100

    libxc: allow HVM guest to have modules
    
    Lift the loading code out of PVH specific branch. Take the chance to
    make the debug message more useful.
    
    Now the code needs to handle virt_base being UNSET_ADDR, which it is
    for HVM guest.  In case virt_base is not set, it should be treated as
    zero.  In case PVH and PV, virt_base is set by the respective loader
    by parsing the binary.
    
    IPXE will be loaded as a module of Rombios.
    
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

commit 53a26ef563ab0b018cbd3f55c38ff9168a7a6ca5
Author: Wei Liu <wei.liu2@xxxxxxxxxx>
Date:   Mon Jul 16 15:02:51 2018 +0100

    ipxe: produce a single binary from its build
    
    And switch hvmloader/Makefile to use that binary. This will help later
    when we change hvmloader to pick a user provided binary.
    
    No functional change.
    
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

commit cf7900b51eb91b126ba252cec3127d17cee1469c
Author: Wei Liu <wei.liu2@xxxxxxxxxx>
Date:   Mon Jul 16 15:02:50 2018 +0100

    Tools.mk.in: drop unused variables
    
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

commit 5894c0a2da66243a89088d309c7e1ea212ab28d6
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Mon Jul 16 15:15:12 2018 +0200

    allow cpu_down() to be called earlier
    
    The function's use of the stop-machine logic has so far prevented its
    use ahead of the processing of the "ordinary" initcalls. Since at this
    early time we're in a controlled environment anyway, there's no need for
    such a heavy tool. Additionally this ought to have less of a performance
    impact especially on large systems, compared to the alternative of
    making stop-machine functionality available earlier.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit da3d55ae67225798c2ad8f42af2f432f6f2b2214
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Mon Jul 16 15:12:19 2018 +0200

    console: avoid printing no or null time stamps
    
    During early boot timestamps aren't very useful, as they're all zero
    (in "boot" mode) or absent altogether (in "date" and "datems" modes).
    Log "boot" format timestamps when the date formats aren't available yet,
    and log raw timestamps when boot ones are still all zero. Also add a
    "raw" mode.
    
    For the ARM side get_cycles() to produce a meaningful value, ARM's
    cycle_t gets changed to uint64_t.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Julien Grall <julien.grall@xxxxxxx>

commit 565efbc8a7145c47379543edfcc84fc4f4dd6d83
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Mon Jul 16 15:11:42 2018 +0200

    docs/pvh: document initial MTRR state
    
    Provided to both Dom0 and DomUs.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

commit a1c1ae0b0f5b30b5b928e45349086ec00930bccf
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Mon Jul 16 15:11:22 2018 +0200

    libxc/pvh: set default MTRR type to write-back
    
    And enable MTRR. This allows to provide a sane initial MTRR state for
    PVH DomUs. This will have to be expanded when pci-passthrough support
    is added to PVH guests, so that MMIO regions of devices are set as
    UC.
    
    Note that initial MTRR setup is done by hvmloader for HVM guests,
    that's not used by PVH guests.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

commit d8b0840bb90711e93b6994e50c728bbbf0f012a0
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Mon Jul 16 15:10:49 2018 +0200

    hvm/mtrr: copy hardware state for Dom0
    
    Copy the state found on the hardware when creating a PVH Dom0. Since
    the memory map provided to a PVH Dom0 is based on the native one using
    the same set of MTRR ranges should provide Dom0 with a sane MTRR state
    without having to manually build it in Xen.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit e520d9e144ac4766aaa7ce55f1c49191a5ddefc8
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Mon Jul 16 15:10:09 2018 +0200

    hvm/mtrr: use the hardware number of variable ranges for Dom0
    
    Expand the size of the variable ranges array to match the size of the
    underlying hardware, this is a preparatory change for copying the
    hardware MTRR state for Dom0.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit de3b31312248646394a78b837b8a02f2483cad02
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Mon Jul 16 15:09:50 2018 +0200

    hvm/mtrr: add emacs local variables block with formatting info
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

commit 8ebc60e0274b770743e59256f665789d4308b188
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Mon Jul 16 15:09:12 2018 +0200

    x86/mtrr: split "enabled" field into two boolean flags
    
    The code hopefully is more readable this way.
    
    Also switch have_fixed to bool, seeing that it already is used as a
    boolean.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    [switched to use MASK_*]
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

commit 76159f10b174d8a5cd4c50213a9d21fcc0e9441d
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Mon Jul 16 15:08:02 2018 +0200

    x86/HVM: improve MTRR load checks
    
    We should not assume that the incoming set of values contains exactly
    MTRR_VCNT variable range MSRs. Permit a smaller amount and reject a
    bigger one. As a result the save path then also needs to no longer use
    a fixed upper bound, in turn requiring unused space in the save record
    to be zeroed up front.
    
    Also slightly refine types where appropriate.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    [switch to use MASK_EXTR to get VCNT]
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
(qemu changes not included)

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