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[xen-unstable test] 138769: regressions - FAIL



flight 138769 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/138769/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-xl-qemuu-ovmf-amd64  7 xen-boot         fail REGR. vs. 138745
 test-amd64-i386-xl-raw       10 debian-di-install        fail REGR. vs. 138745

Tests which did not succeed, but are not blocking:
 test-arm64-arm64-examine     11 examine-serial/bootloader    fail  like 138717
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop            fail like 138745
 test-amd64-amd64-xl-qemuu-win7-amd64 17 guest-stop            fail like 138745
 test-armhf-armhf-libvirt     14 saverestore-support-check    fail  like 138745
 test-amd64-amd64-xl-qemuu-ws16-amd64 17 guest-stop            fail like 138745
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop             fail like 138745
 test-armhf-armhf-libvirt-raw 13 saverestore-support-check    fail  like 138745
 test-amd64-amd64-xl-qemut-ws16-amd64 17 guest-stop            fail like 138745
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop             fail like 138745
 test-amd64-i386-xl-qemuu-ws16-amd64 17 guest-stop             fail like 138745
 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-libvirt-xsm  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-seattle  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-seattle  14 saverestore-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-amd64-qemuu-nested-amd 17 debian-hvm-install/l1/l2  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-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-credit2  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit2  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-arm64-arm64-xl-credit1  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit1  14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-thunderx 13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-thunderx 14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-arndale  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-arndale  14 saverestore-support-check    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-credit1  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit1  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-armhf-armhf-xl-rtds     13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-rtds     14 saverestore-support-check    fail   never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-i386-xl-pvshim    12 guest-start                  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-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-credit2  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit2  14 saverestore-support-check    fail   never pass
 test-amd64-amd64-xl-qemuu-win10-i386 10 windows-install        fail never pass
 test-amd64-i386-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
 test-amd64-i386-xl-qemut-ws16-amd64 17 guest-stop              fail never pass

version targeted for testing:
 xen                  843cec0de800a5f925f8071a7f58f3fb1c6b6eb6
baseline version:
 xen                  93ef224d63f9f04a0897d64981c619eb4816c0d3

Last test of basis   138745  2019-07-04 04:12:24 Z    3 days
Testing same since   138769  2019-07-05 17:01:01 Z    1 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Anthony PERARD <anthony.perard@xxxxxxxxxx>
  Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>
  Juergen Gross <jgross@xxxxxxxx>
  Paul Durrant <paul.durrant@xxxxxxxxxx>
  Stefano Stabellini <sstabellini@xxxxxxxxxx>
  Wei Liu <wl@xxxxxxx>

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    
 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-libvirt-qemuu-debianhvm-amd64-xsm           pass    
 test-amd64-i386-libvirt-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-xl-qemut-debianhvm-i386-xsm                 pass    
 test-amd64-i386-xl-qemut-debianhvm-i386-xsm                  pass    
 test-amd64-amd64-xl-qemuu-debianhvm-i386-xsm                 pass    
 test-amd64-i386-xl-qemuu-debianhvm-i386-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                         fail    
 test-amd64-i386-xl-qemuu-ovmf-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                                  pass    
 test-amd64-amd64-xl-credit1                                  pass    
 test-arm64-arm64-xl-credit1                                  pass    
 test-armhf-armhf-xl-credit1                                  pass    
 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        pass    
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict         pass    
 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-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                                       fail    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     pass    
 test-arm64-arm64-xl-seattle                                  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-arm64-arm64-xl-thunderx                                 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


Not pushing.

------------------------------------------------------------
commit 843cec0de800a5f925f8071a7f58f3fb1c6b6eb6
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jul 5 10:42:36 2019 +0200

    x86emul: complete support of AVX512_VBMI insns
    
    Also add testing of ones support for which was added before. Sadly gcc's
    command line option naming is not in line with Intel's naming of the
    feature, which makes it necessary to mis-name things in the test harness.
    
    Since the only new insn here and in particular its memory access pattern
    follows the usual scheme, I didn't think it was necessary to add a
    contrived test specifically for it, beyond the Disp8 scaling one.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 37ccca740c2621f8984948a10486d16325e0f175
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jul 5 10:41:44 2019 +0200

    x86emul: support AVX512CD insns
    
    Since the insns here and in particular their memory access patterns
    follow the usual scheme I didn't think it was necessary to add
    contrived tests specifically for them, beyond the Disp8 scaling ones.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 467e91bde7207f7fc23b6edc9ab9b4d8044c4e36
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jul 5 10:40:55 2019 +0200

    x86emul: support AVX512PF insns
    
    Some adjustments are necessary to the EVEX Disp8 scaling test code to
    account for the zero byte reads/writes, which get issued for the test
    harness only.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 7d569b848036532f4cdb700ff8b8021c036160c3
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jul 5 10:40:10 2019 +0200

    x86emul: support AVX512F scatter insns
    
    This completes support of AVX512F in the insn emulator.
    
    Note that in the test harness there's a little bit of trickery needed to
    get around the not fully consistent naming of AVX512VL gather and
    scatter compiler built-ins. To suppress expansion of the "di" and "si"
    tokens they get constructed by token concatenation in BS(), which is
    different from BG().
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 062a7faded0a4e3bad789c4e8906cc0fa2400bde
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jul 5 10:39:41 2019 +0200

    x86emul: add high register S/G test cases
    
    In order to verify that in particular the index register decoding works
    correctly in the S/G emulation paths, add dedicated (64-bit only) cases
    disallowing the compiler to use the lower registers. Other than in the
    generic SIMD case, where occasional uses of %xmm or %ymm registers in
    generated code cause various internal compiler errors when disallowing
    use of all of the lower 16 registers (apparently due to insn templates
    trying to use AVX2 encodings), doing so here in the AVX512F case looks
    to be fine.
    
    While the main goal here is the AVX512F case, add an AVX2 variant as
    well.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit c033fe6e7b053b2f0782f4d66715a82505f03569
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jul 5 10:38:26 2019 +0200

    x86emul: support AVX512F gather insns
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 5f55389d696054e97ad0805989bc28b1dcc4ccc7
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 17:43:57 2019 +0200

    x86emul: test harness adjustments for AVX512F S/G insns
    
    There was an encoding mistake in the EVEX Disp8 test code, which was
    benign (due to %rdx getting set to zero) to all non-vSIB tests as it
    mistakenly encoded <disp8>(%rdx,%rdx) instead of <disp8>(%rdx,%riz). In
    the vSIB case this meant <disp8>(%rdx,%zmm2) instead of the intended
    <disp8>(%rdx,%zmm4).
    
    Likewise the access count check wasn't entirely correct for the S/G
    case: In the quad-word-index but dword-data case only half the number
    of full vector elements get accessed.
    
    As an unrelated change in the main test harness source file distinguish
    the "n/a" messages by bitness.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit e8af03bf9a3281e55b832cd801528392a9a7d9af
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 17:43:09 2019 +0200

    x86emul: prepare for AVX512F S/G insns
    
    They require getting modrm_reg and sib_index set correctly in the EVEX
    case, to account for the high 16 [XYZ]MM registers when used as
    addressing index register. Extend the adjustments to modrm_rm as well,
    such that x86_insn_modrm() would correctly report register numbers (this
    was a latent issue only as we don't currently have callers of that
    function which would care about an EVEX case).
    
    The adjustment in turn requires dropping the assertion from decode_gpr()
    as well as re-introducing the explicit masking, as we now need to
    actively mask off the high bit when a GPR is meant.
    
    _decode_gpr() invocations also need slight adjustments, when invoked in
    generic code ahead of the main switch(). All other uses of modrm_reg and
    modrm_rm already get suitably masked where necessary.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 92b80e3e3dfacf389cff797580b3806576051dfd
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 17:42:25 2019 +0200

    x86/IRQ: add explicit tracing-enabled check to trace_irq_mask()
    
    The setup for calling trace_var() (which itself checks tb_init_done) is
    non-negligible, and hence a separate outer-most check is warranted.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit acdb58b9b93f6ce2be1442295925a801cba706e6
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 17:32:53 2019 +0200

    x86/IRQ: simplify and rename pirq_acktype()
    
    Its only caller already has the IRQ descriptor in its hands, so there's
    no need for the function to re-obtain it. As a result the leading p of
    its name is no longer appropriate and hence gets dropped.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 6d819cf9e1a6d21f68d9fe840040e89057ced1be
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 17:32:08 2019 +0200

    x86/IRQ: improve dump_irqs()
    
    Don't log a stray trailing comma. Shorten a few fields.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit f4a09c9377716cd3f3ba18196fe5879be890a4f5
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 16:08:42 2019 +0200

    x86emul: support remaining misc AVX512{F,BW} insns
    
    This completes support of AVX512BW in the insn emulator, and leaves just
    the scatter/gather ones open in the AVX512F set.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 65f82d4ce1eada3eb494bb81416bd05b63f73ab2
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 16:08:00 2019 +0200

    x86emul: support AVX512{F,_VBMI2} compress/expand insns
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit dcac6de1f5b34d52b5f37c73b85c3b627581d413
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 16:07:01 2019 +0200

    x86/vPIC: avoid speculative out of bounds accesses
    
    Array indexes used in the I/O port read/write emulation functions are
    derived from guest controlled values. Where this is not already done,
    restrict their ranges to limit the side effects of speculative execution.
    
    This is part of the speculative hardening effort.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit be15c231e7e351ea8dbcabf62f952537c637343d
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 16:06:27 2019 +0200

    x86/vMSI: avoid speculative out of bounds accesses
    
    Array indexes used in the MMIO read/write emulation functions are
    derived from guest controlled values. Restrict their ranges to limit the
    side effects of speculative execution.
    
    Note that the index into .msi_ad[] may also be speculatively out of
    bounds, by exactly one (indexes 0...3 are possible while the array has
    just 3 elements). This is not a problem with the current data layout, as
    such overrun of the array would either touch the next element of the
    parent array or (for the last entry of the parent array) access the
    subsequent acc_valid bit array.
    
    This is part of the speculative hardening effort.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 1f2ccbd40c85e383799d59f9dfc1cffa5e18c920
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Jul 4 16:05:18 2019 +0200

    x86emul: avoid speculative out of bounds accesses
    
    There are a few array accesses here the indexes of which are (at least
    indirectly) driven by the guest. Use array_access_nospec() to bound
    such accesses. In the {,_}decode_gpr() cases replace existing guarding
    constructs.
    
    To deal with an otherwise occurring #include cycle, drop the inclusion
    of asm/x86_emulate.h from asm/processor.h. This include had been
    introduced for obtaining the struct cpuid_leaf declaration, which has
    since moved into the x86 helper library.
    
    This is part of the speculative hardening effort.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 90bef5822dda473055b8aa466450686e3311bf2d
Author: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Date:   Thu Jul 4 16:04:33 2019 +0200

    MAINTAINERS: add Anthony as libxl maintainer
    
    Create a new section with only libxl.
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>

commit 782a6b951a2317e1c3ecc81b6d94be09157fc363
Author: Paul Durrant <paul.durrant@xxxxxxxxxx>
Date:   Thu Jul 4 16:03:47 2019 +0200

    xmalloc: stop using a magic '1' in alignment padding
    
    Alignment padding inserts a pseudo block header in front of the allocation,
    sets its size field to the pad size and then ORs in 1, which is equivalent
    to marking it as a free block, so that xfree() can distinguish it from a
    real block header.
    
    This patch simply replaces the magic '1' with the defined 'FREE_BLOCK' to
    make it more obvious what's going on. Also, whilst in the neighbourhood,
    it removes a stray space after a cast.
    
    Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 12dce7ea5a84e0f107710f8df1cfb2dfe306c793
Author: Juergen Gross <jgross@xxxxxxxx>
Date:   Thu Jul 4 16:02:52 2019 +0200

    x86: make loading of GDT at context switch more modular
    
    In preparation for core scheduling, carve out the GDT related
    functionality (writing GDT related PTEs, loading default of full GDT)
    into sub-functions.
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
(qemu changes not included)

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