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[Xen-devel] [xen-unstable baseline-only test] 68370: trouble: blocked/broken



This run is configured for baseline tests only.

flight 68370 xen-unstable real [real]
http://osstest.xs.citrite.net/~osstest/testlogs/logs/68370/

Failures and problems with tests :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 build-armhf-pvops             3 host-install(3)         broken REGR. vs. 68365
 build-armhf                   3 host-install(3)         broken REGR. vs. 68365
 build-armhf-xsm               3 host-install(3)         broken REGR. vs. 68365
 build-i386-oldkern            3 host-install(3)         broken REGR. vs. 68365
 build-i386-prev               3 host-install(3)         broken REGR. vs. 68365
 build-amd64-oldkern           3 host-install(3)         broken REGR. vs. 68365
 build-i386-pvops              3 host-install(3)         broken REGR. vs. 68365
 build-amd64-xsm               3 host-install(3)         broken REGR. vs. 68365
 build-amd64-xtf               3 host-install(3)         broken REGR. vs. 68365
 build-i386-xsm                3 host-install(3)         broken REGR. vs. 68365
 build-amd64-pvops             3 host-install(3)         broken REGR. vs. 68365
 build-i386                    3 host-install(3)         broken REGR. vs. 68365
 build-amd64-prev              3 host-install(3)         broken REGR. vs. 68365

Regressions which are regarded as allowable (not blocking):
 build-amd64                   3 host-install(3)              broken like 68365

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-qemuu-debianhvm-amd64  1 build-check(1)        blocked n/a
 test-amd64-i386-freebsd10-i386  1 build-check(1)               blocked  n/a
 test-amd64-amd64-qemuu-nested-intel  1 build-check(1)              blocked n/a
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 1 build-check(1) blocked n/a
 test-xtf-amd64-amd64-1        1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl-midway    1 build-check(1)               blocked  n/a
 test-armhf-armhf-libvirt      1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-qemuu-debianhvm-amd64-xsm  1 build-check(1)     blocked n/a
 test-amd64-i386-xl-qemut-debianhvm-amd64-xsm  1 build-check(1)     blocked n/a
 test-amd64-amd64-migrupgrade  1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm 1 build-check(1) blocked 
n/a
 test-amd64-i386-xl-qemuu-winxpsp3-vcpus1  1 build-check(1)         blocked n/a
 test-armhf-armhf-libvirt-raw  1 build-check(1)               blocked  n/a
 test-amd64-i386-libvirt-xsm   1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-multivcpu  1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-qemuu-winxpsp3  1 build-check(1)               blocked  n/a
 test-amd64-amd64-libvirt      1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-qemut-winxpsp3  1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-pvh-amd   1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-qemut-debianhvm-amd64  1 build-check(1)         blocked n/a
 test-amd64-i386-qemut-rhel6hvm-intel  1 build-check(1)             blocked n/a
 test-amd64-i386-freebsd10-amd64  1 build-check(1)               blocked  n/a
 test-amd64-amd64-pair         1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl-credit2   1 build-check(1)               blocked  n/a
 build-i386-rumprun            1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-qemuu-win7-amd64  1 build-check(1)             blocked n/a
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm 1 build-check(1) blocked n/a
 test-amd64-amd64-pygrub       1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-qemuu-winxpsp3  1 build-check(1)               blocked n/a
 test-amd64-amd64-xl-qcow2     1 build-check(1)               blocked  n/a
 test-amd64-amd64-amd64-pvgrub  1 build-check(1)               blocked  n/a
 test-xtf-amd64-amd64-2        1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-qemut-win7-amd64  1 build-check(1)             blocked n/a
 test-amd64-i386-xl-qemuu-debianhvm-amd64  1 build-check(1)         blocked n/a
 test-armhf-armhf-libvirt-xsm  1 build-check(1)               blocked  n/a
 build-amd64-rumprun           1 build-check(1)               blocked  n/a
 build-i386-libvirt            1 build-check(1)               blocked  n/a
 test-amd64-i386-xl            1 build-check(1)               blocked  n/a
 test-amd64-i386-libvirt-pair  1 build-check(1)               blocked  n/a
 test-xtf-amd64-amd64-4        1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-qemuu-ovmf-amd64  1 build-check(1)             blocked n/a
 test-amd64-amd64-libvirt-vhd  1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-credit2   1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl-multivcpu  1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-xsm        1 build-check(1)               blocked  n/a
 build-amd64-libvirt           1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-xsm  1 build-check(1)    blocked n/a
 test-amd64-amd64-rumprun-amd64  1 build-check(1)               blocked  n/a
 test-xtf-amd64-amd64-3        1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-qemuu-ovmf-amd64  1 build-check(1)              blocked n/a
 test-amd64-amd64-xl-pvh-intel  1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-raw        1 build-check(1)               blocked  n/a
 test-amd64-amd64-i386-pvgrub  1 build-check(1)               blocked  n/a
 test-amd64-i386-qemuu-rhel6hvm-amd  1 build-check(1)               blocked n/a
 test-amd64-amd64-xl-qemut-winxpsp3  1 build-check(1)               blocked n/a
 test-xtf-amd64-amd64-5        1 build-check(1)               blocked  n/a
 build-armhf-libvirt           1 build-check(1)               blocked  n/a
 test-armhf-armhf-libvirt-qcow2  1 build-check(1)               blocked  n/a
 test-amd64-amd64-libvirt-pair  1 build-check(1)               blocked  n/a
 test-amd64-i386-libvirt       1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl           1 build-check(1)               blocked  n/a
 test-amd64-amd64-libvirt-xsm  1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-xsm       1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-qemut-winxpsp3-vcpus1  1 build-check(1)         blocked n/a
 test-amd64-i386-qemuu-rhel6hvm-intel  1 build-check(1)             blocked n/a
 test-armhf-armhf-xl-vhd       1 build-check(1)               blocked  n/a
 test-amd64-i386-migrupgrade   1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-qemuu-win7-amd64  1 build-check(1)              blocked n/a
 test-amd64-amd64-xl           1 build-check(1)               blocked  n/a
 test-amd64-i386-pair          1 build-check(1)               blocked  n/a
 test-amd64-i386-rumprun-i386  1 build-check(1)               blocked  n/a
 test-amd64-amd64-qemuu-nested-amd  1 build-check(1)               blocked  n/a
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm 1 build-check(1) blocked 
n/a
 test-amd64-i386-xl-qemut-win7-amd64  1 build-check(1)              blocked n/a
 test-amd64-i386-qemut-rhel6hvm-amd  1 build-check(1)               blocked n/a
 test-armhf-armhf-xl-rtds      1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-qemut-debianhvm-amd64-xsm  1 build-check(1)    blocked n/a
 test-amd64-amd64-xl-qemut-debianhvm-amd64  1 build-check(1)        blocked n/a
 test-armhf-armhf-xl-xsm       1 build-check(1)               blocked  n/a
 test-amd64-amd64-xl-rtds      1 build-check(1)               blocked  n/a

version targeted for testing:
 xen                  98be5ffc05e689e2131f175ed95b011a7270db67
baseline version:
 xen                  0d045d65c19ac48b31344b566cbf82a0270e6e44

Last test of basis    68365  2017-01-13 20:17:20 Z    1 days
Testing same since    68370  2017-01-15 02:17:30 Z    0 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>
  Juergen Gross <jgross@xxxxxxxx>
  Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
  Stefano Stabellini <sstabellini@xxxxxxxxxx>
  Wei Liu <wei.liu2@xxxxxxxxxx>

jobs:
 build-amd64-xsm                                              broken  
 build-armhf-xsm                                              broken  
 build-i386-xsm                                               broken  
 build-amd64-xtf                                              broken  
 build-amd64                                                  broken  
 build-armhf                                                  broken  
 build-i386                                                   broken  
 build-amd64-libvirt                                          blocked 
 build-armhf-libvirt                                          blocked 
 build-i386-libvirt                                           blocked 
 build-amd64-oldkern                                          broken  
 build-i386-oldkern                                           broken  
 build-amd64-prev                                             broken  
 build-i386-prev                                              broken  
 build-amd64-pvops                                            broken  
 build-armhf-pvops                                            broken  
 build-i386-pvops                                             broken  
 build-amd64-rumprun                                          blocked 
 build-i386-rumprun                                           blocked 
 test-xtf-amd64-amd64-1                                       blocked 
 test-xtf-amd64-amd64-2                                       blocked 
 test-xtf-amd64-amd64-3                                       blocked 
 test-xtf-amd64-amd64-4                                       blocked 
 test-xtf-amd64-amd64-5                                       blocked 
 test-amd64-amd64-xl                                          blocked 
 test-armhf-armhf-xl                                          blocked 
 test-amd64-i386-xl                                           blocked 
 test-amd64-amd64-xl-qemut-debianhvm-amd64-xsm                blocked 
 test-amd64-i386-xl-qemut-debianhvm-amd64-xsm                 blocked 
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm           blocked 
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm            blocked 
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-xsm                blocked 
 test-amd64-i386-xl-qemuu-debianhvm-amd64-xsm                 blocked 
 test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm        blocked 
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm         blocked 
 test-amd64-amd64-libvirt-xsm                                 blocked 
 test-armhf-armhf-libvirt-xsm                                 blocked 
 test-amd64-i386-libvirt-xsm                                  blocked 
 test-amd64-amd64-xl-xsm                                      blocked 
 test-armhf-armhf-xl-xsm                                      blocked 
 test-amd64-i386-xl-xsm                                       blocked 
 test-amd64-amd64-qemuu-nested-amd                            blocked 
 test-amd64-amd64-xl-pvh-amd                                  blocked 
 test-amd64-i386-qemut-rhel6hvm-amd                           blocked 
 test-amd64-i386-qemuu-rhel6hvm-amd                           blocked 
 test-amd64-amd64-xl-qemut-debianhvm-amd64                    blocked 
 test-amd64-i386-xl-qemut-debianhvm-amd64                     blocked 
 test-amd64-amd64-xl-qemuu-debianhvm-amd64                    blocked 
 test-amd64-i386-xl-qemuu-debianhvm-amd64                     blocked 
 test-amd64-i386-freebsd10-amd64                              blocked 
 test-amd64-amd64-xl-qemuu-ovmf-amd64                         blocked 
 test-amd64-i386-xl-qemuu-ovmf-amd64                          blocked 
 test-amd64-amd64-rumprun-amd64                               blocked 
 test-amd64-amd64-xl-qemut-win7-amd64                         blocked 
 test-amd64-i386-xl-qemut-win7-amd64                          blocked 
 test-amd64-amd64-xl-qemuu-win7-amd64                         blocked 
 test-amd64-i386-xl-qemuu-win7-amd64                          blocked 
 test-amd64-amd64-xl-credit2                                  blocked 
 test-armhf-armhf-xl-credit2                                  blocked 
 test-amd64-i386-freebsd10-i386                               blocked 
 test-amd64-i386-rumprun-i386                                 blocked 
 test-amd64-amd64-qemuu-nested-intel                          blocked 
 test-amd64-amd64-xl-pvh-intel                                blocked 
 test-amd64-i386-qemut-rhel6hvm-intel                         blocked 
 test-amd64-i386-qemuu-rhel6hvm-intel                         blocked 
 test-amd64-amd64-libvirt                                     blocked 
 test-armhf-armhf-libvirt                                     blocked 
 test-amd64-i386-libvirt                                      blocked 
 test-armhf-armhf-xl-midway                                   blocked 
 test-amd64-amd64-migrupgrade                                 blocked 
 test-amd64-i386-migrupgrade                                  blocked 
 test-amd64-amd64-xl-multivcpu                                blocked 
 test-armhf-armhf-xl-multivcpu                                blocked 
 test-amd64-amd64-pair                                        blocked 
 test-amd64-i386-pair                                         blocked 
 test-amd64-amd64-libvirt-pair                                blocked 
 test-amd64-i386-libvirt-pair                                 blocked 
 test-amd64-amd64-amd64-pvgrub                                blocked 
 test-amd64-amd64-i386-pvgrub                                 blocked 
 test-amd64-amd64-pygrub                                      blocked 
 test-armhf-armhf-libvirt-qcow2                               blocked 
 test-amd64-amd64-xl-qcow2                                    blocked 
 test-armhf-armhf-libvirt-raw                                 blocked 
 test-amd64-i386-xl-raw                                       blocked 
 test-amd64-amd64-xl-rtds                                     blocked 
 test-armhf-armhf-xl-rtds                                     blocked 
 test-amd64-i386-xl-qemut-winxpsp3-vcpus1                     blocked 
 test-amd64-i386-xl-qemuu-winxpsp3-vcpus1                     blocked 
 test-amd64-amd64-libvirt-vhd                                 blocked 
 test-armhf-armhf-xl-vhd                                      blocked 
 test-amd64-amd64-xl-qemut-winxpsp3                           blocked 
 test-amd64-i386-xl-qemut-winxpsp3                            blocked 
 test-amd64-amd64-xl-qemuu-winxpsp3                           blocked 
 test-amd64-i386-xl-qemuu-winxpsp3                            blocked 


------------------------------------------------------------
sg-report-flight on osstest.xs.citrite.net
logs: /home/osstest/logs
images: /home/osstest/images

Logs, config files, etc. are available at
    http://osstest.xs.citrite.net/~osstest/testlogs/logs

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

broken-step build-armhf-pvops host-install(3)
broken-step build-armhf host-install(3)
broken-step build-armhf-xsm host-install(3)
broken-step build-i386-oldkern host-install(3)
broken-step build-i386-prev host-install(3)
broken-step build-amd64-oldkern host-install(3)
broken-step build-i386-pvops host-install(3)
broken-step build-amd64-xsm host-install(3)
broken-step build-amd64-xtf host-install(3)
broken-step build-i386-xsm host-install(3)
broken-step build-amd64-pvops host-install(3)
broken-step build-i386 host-install(3)
broken-step build-amd64-prev host-install(3)
broken-step build-amd64 host-install(3)

Push not applicable.

------------------------------------------------------------
commit 98be5ffc05e689e2131f175ed95b011a7270db67
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jan 13 15:28:31 2017 +0100

    x86emul: improve CR/DR access handling
    
    - don't accept LOCK for DR accesses (it's undefined in the manuals)
    - only accept LOCK for CR accesses when the respective feature flag is
      set (which would not normally be the case for Intel)
    - add (rather than or) 8 when LOCK is present; real hardware #UDs
      when both REX.W and LOCK are present, implying that these would
      rather access hypothetical CR16...23
    - eliminate explicit decode_register() calls
    - streamline remaining read/write code
    
    No further functional change, i.e. not addressing the missing exception
    generation (#UD for invalid CR/DR encodings, #GP(0) for invalid write
    values, #DB for DR accesses with DR7.GD set).
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 199b1eaa79c0f828dab8598c5ba164efa7edac1a
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jan 13 15:27:53 2017 +0100

    x86emul: use switch()-wide local variable 'cr4'
    
    ... rather than various smaller scope ones.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit c437fa17290934ddf347f65d09b83d7fc0eaef84
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jan 13 15:25:52 2017 +0100

    x86emul: support VME and PVI
    
    ... affecting PUSHF, POPF, CLI, and STI.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit cb2626c75813be4267b5bc1515e34145ce55f2d5
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Fri Jan 13 15:24:45 2017 +0100

    x86emul: conditionally clear BNDn for branches
    
    Considering that we surface MPX to HVM guests, instructions we emulate
    should also correctly deal with MPX state. While for now BND*
    instructions don't get emulated, the effect of branches (which we do
    emulate) without BND prefix should be taken care of.
    
    No need to alter XABORT behavior: While not mentioned in the SDM so
    far, this restores BNDn as they were at the XBEGIN, and since we make
    XBEGIN abort right away, XABORT in the emulator is only a no-op.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 37814513bc9dcd46d084d5713eee7f8d6f7f870f
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Jan 4 13:31:53 2017 +0000

    x86/cpuid: Move the legacy cpuids array into struct cpuid_policy
    
    This hides the legacy details inside the cpuid subsystem, where they will
    eventually be dropped entirely.
    
    While altering the line containing paging_initialised, change its type to 
bool
    to match its use.
    
    No functional change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit d1bc8380e508a0dc4d5d30de05e4e7c082e39893
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Jan 4 12:46:09 2017 +0000

    x86/cpuid: Effectively remove domain_cpuid()
    
    The only callers of domain_cpuid() are the legacy cpuid path via
    {pv,hvm}_cpuid().  Move domain_cpuid() to being private in cpuid.c, with an
    adjusted API to use struct cpuid_leaf rather than individual pointers.
    
    The ITSC clobbering logic is dropped.  It is no longer necessary now that 
the
    logic has moved into recalculate_cpuid_policy()
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 9db5d75c91dba258a6e834b730d6e13263dcc271
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Jan 4 12:20:51 2017 +0000

    x86/cpuid: Store the toolstacks choice of hypervisor max leaf
    
    This removes all dependencies on the legacy cpuids[] array from
    cpuid_hypervisor_leaves().  Swap a BUG() to an ASSERT_UNREACHABLE(), because
    in the unlikely case that we hit it, returning all zeros to the guest is 
fine.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 07097cc0c6bdb08873ae627ca0f36e593be1d7c0
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Jan 4 12:43:57 2017 +0000

    x86/domctl: Move all CPUID update logic into update_domain_cpuid_info()
    
    This simplifies the XEN_DOMCTL_set_cpuid handling, splitting the safety 
logic
    away from the internals of how an update is completed.
    
    The legacy cpuids[] logic is left in alone in a fuction, as it wont survive
    very long.  update_domain_cpuid_info() gains a small performance 
optimisation
    to skip all update activites for leaves which won't have any impact on the
    guest.  This is temporary until the new hypercall API is completed.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 38b1c3a5affbe3451f366576aef9c7149d62de04
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Thu Jan 12 16:14:56 2017 +0000

    x86/cpuid: Fix feature flags reported to dom0
    
    c/s a11e8c9 "x86/pv: Use per-domain policy information in pv_cpuid()" 
switched
    PV domains from using a (hardware for dom0, toolstack-chosen from domU) 
value
    masked against pv_featureset[], to actually using the value calculated by
    recalculate_cpuid_policy().
    
    For domU, this is no practical change as the content is still chosen by the
    toolstack.  For dom0 however, we no longer have two sources of information
    potentially clearing bits.  Modern Linux seems to care about having 
CMP_LEGACY
    set in its view of CPUID on an Intel box.
    
    The deliberate setting of HTT, X2APIC and CMP_LEGACY in 
{pv,hvm}_featureset[]
    is necessary for domUs, as the toolstack may have (tried to) set up topology
    information in a different representation than the hardware uses.  The bits
    therefore needed to be set in the masks used in the older logic, to avoid
    clobbering the toolstacks information.
    
    Move the HTT/X2APIC/CMP_LEGACY logic from calculate_{pv,hvm}_max_policy()
    (where the meaning of {pv,hvm}_featureset[] has changed subtly) to
    recalculate_cpuid_policy() where the masking logic now lives.
    
    This will cause {pv,hvm}_max_policy to actually contain real hardware values
    (so dom0 sees real hardware values), but still allows the toolstack to set
    bits not present in real hardware for domUs.
    
    Reported-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Tested-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 2704c78aaa156e6843681ee344dd0ce75dbc63b2
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Jan 11 17:51:44 2017 +0000

    x86/sysctl: Fix NULL pointer dereference in error path
    
    This was introduced by c/s c38869e711 "x86/cpuid: Drop the temporary linear
    feature bitmap from struct cpuid_policy", and caught by Coverity.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 2ef6ace428dec4795b8b0a67fff6949e817013de
Author: Juergen Gross <jgross@xxxxxxxx>
Date:   Tue Jan 10 17:13:39 2017 +0100

    tools: don't remove tdb data base file before starting xenstored
    
    As xenstored now is always starting with an empty tdb data base there
    is no need any longer to remove the file before starting xenstored.
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

commit 388d3011d1bbc926df61aabd101208d6134d3eb5
Author: Juergen Gross <jgross@xxxxxxxx>
Date:   Tue Jan 10 17:13:38 2017 +0100

    tools/xenstore: start with empty data base
    
    Today xenstored tries to open a tdb data base file on disk when it is
    started. As this is problematic in most cases the scripts used to start
    xenstored ensure xenstored won't find such a file in order to start
    with an empty xenstore.
    
    A tdb data base file can't be used to restore all Xenstore state as
    e.g. Xenstore watches are not kept in the tdb data base. The file is
    meant to be used for debugging purposes after a xenstored crash only.
    
    Instead of opening a Xenstore data base file found on disk always start
    with an empty data base. This will avoid problems in case someone is
    testing multiple xenstored versions without rebooting (which is not
    supported but helps debugging in some cases).
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

commit 904f9314540bcfbcfa60245e8f41ff1b671cdd9a
Author: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Date:   Thu Jan 12 17:47:14 2017 -0800

    docs: add Xen PV Drivers Lifecycle
    
    Add a document that details the lifecycle of new PV drivers.
    
    Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
(qemu changes not included)

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