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[Xen-devel] [xen-unstable test] 139326: regressions - FAIL



flight 139326 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/139326/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict 12 
guest-start/debianhvm.repeat fail REGR. vs. 139259

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop            fail like 139259
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop             fail like 139259
 test-amd64-amd64-xl-qemuu-win7-amd64 17 guest-stop            fail like 139259
 test-armhf-armhf-libvirt     14 saverestore-support-check    fail  like 139259
 test-amd64-amd64-xl-qemuu-ws16-amd64 17 guest-stop            fail like 139259
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop             fail like 139259
 test-armhf-armhf-libvirt-raw 13 saverestore-support-check    fail  like 139259
 test-amd64-amd64-xl-qemut-ws16-amd64 17 guest-stop            fail like 139259
 test-amd64-i386-xl-qemuu-ws16-amd64 17 guest-stop             fail like 139259
 test-amd64-amd64-libvirt     13 migrate-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-i386-xl-pvshim    12 guest-start                  fail   never pass
 test-amd64-i386-libvirt      13 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-qemuu-debianhvm-amd64-xsm 11 migrate-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-thunderx 13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-thunderx 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-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-arm64-arm64-xl          13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl          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-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-cubietruck 13 migrate-support-check        fail never pass
 test-armhf-armhf-xl-cubietruck 14 saverestore-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-multivcpu 13 migrate-support-check        fail  never pass
 test-armhf-armhf-xl-multivcpu 14 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-armhf-armhf-libvirt     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-armhf-armhf-libvirt-raw 12 migrate-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-vhd      12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      13 saverestore-support-check    fail   never pass
 test-amd64-i386-xl-qemut-ws16-amd64 17 guest-stop              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

version targeted for testing:
 xen                  094796affb7c87f6b2daccdbe192208af715e088
baseline version:
 xen                  f7f7cd5c585ab2d6f4bbc17b8fbec52dde1a5715

Last test of basis   139259  2019-07-22 16:03:28 Z    2 days
Failing since        139292  2019-07-23 17:17:21 Z    1 days    3 attempts
Testing same since   139326  2019-07-25 03:27:50 Z    0 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Brian Woods <brian.woods@xxxxxxx>
  Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>
  Juergen Gross <jgross@xxxxxxxx>
  Roger Pau Monné <roger.pau@xxxxxxxxxx>
  Viktor Mitin <viktor.mitin.19@xxxxxxxxx>
  Viktor Mitin <viktor_mitin@xxxxxxxx>

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                         pass    
 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         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-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-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 094796affb7c87f6b2daccdbe192208af715e088
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue Jul 23 20:46:35 2019 +0100

    x86/pv: Move async_exception_cleanup() into pv/iret.c
    
    All callers are in pv/iret.c.  Move the function and make it static.
    
    No functional change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 4782b7aeeae0ffb42d74e0f7f419ea955f35cab1
Author: Juergen Gross <jgross@xxxxxxxx>
Date:   Wed Jul 24 13:26:57 2019 +0200

    xen/x86: cleanup unused NMI/MCE code
    
    pv_raise_interrupt() is only called for NMIs these days, so the MCE
    specific part can be removed. Rename pv_raise_interrupt() to
    pv_raise_nmi() and NMI_MCE_SOFTIRQ to NMI_SOFTIRQ.
    
    Additionally there is no need to pin the vcpu which the NMI is delivered
    to; that is a leftover of (already removed) MCE handling. So remove the
    pinning, too. Note that pinning was introduced by commit 355b0469a8
    adding MCE support (with NMI support existing already). MCE using that
    pinning was removed with commit 3a91769d6e again without cleaning up the
    code.
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-and-tested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 8970834eb95586d87b064e8c7fc49ee8d2875db4
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Thu Oct 19 11:50:18 2017 +0100

    passthrough/vtd: Don't DMA to the stack in queue_invalidate_wait()
    
    DMA-ing to the stack is considered bad practice.  In this case, if a
    timeout occurs because of a sluggish device which is processing the
    request, the completion notification will corrupt the stack of a
    subsequent deeper call tree.
    
    Place the poll_slot in a percpu area and DMA to that instead.
    
    Fix the declaration of saddr in struct qinval_entry, to avoid a shift by
    two.  The requirement here is that the DMA address is dword aligned,
    which is covered by poll_slot's type.
    
    This change does not address other issues.  Correlating completions
    after a timeout with their request is a more complicated change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <JBeulich@xxxxxxxx>
    Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

commit 52fc4aaf1613e49d018bf3c5b1899b131ee2f417
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Tue Jul 23 17:00:07 2019 +0200

    x86/iommu: add comment regarding setting of need_sync
    
    Clarify why relaxed hardware domains don't need iommu page-table
    syncing.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 0c38c61aad2106e23a5fcab7e435671fb39dc44c
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Tue Jul 23 16:59:23 2019 +0200

    pci: switch pci_conf_write32 to use pci_sbdf_t
    
    This reduces the number of parameters of the function to two, and
    simplifies some of the calling sites.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>

commit 4fe0caa069ddbfdb403e940494e489b0fcd952cd
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Tue Jul 23 16:58:42 2019 +0200

    pci: switch pci_conf_write16 to use pci_sbdf_t
    
    This reduces the number of parameters of the function to two, and
    simplifies some of the calling sites.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 7597c3c72639a0a9b238e2e49f893592b429d610
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Tue Jul 23 16:58:07 2019 +0200

    pci: switch pci_conf_write8 to use pci_sbdf_t
    
    This reduces the number of parameters of the function to two, and
    simplifies some of the calling sites.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit a52867e3e1d0f259947be9439ee9d6c9fcfc9cc9
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Tue Jul 23 16:54:38 2019 +0200

    pci: switch pci_conf_read32 to use pci_sbdf_t
    
    This reduces the number of parameters of the function to two, and
    simplifies some of the calling sites.
    
    While there convert {IGD/IOH}_DEV to be a pci_sbdf_t itself instead of
    a device number.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>
    Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit d95b9598a634a4d2c0790b66aa68ff3d54e9285a
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Tue Jul 23 16:54:01 2019 +0200

    pci: switch pci_conf_read16 to use pci_sbdf_t
    
    This reduces the number of parameters of the function to two, and
    simplifies some of the calling sites.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>
    Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

commit ebfbd5788245a9772193687d269d70b9ccba2772
Author: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date:   Tue Jul 23 16:53:24 2019 +0200

    pci: switch pci_conf_read8 to use pci_sbdf_t
    
    This reduces the number of parameters of the function to two, and
    simplifies some of the calling sites.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>
    Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

commit ca5ecd9207af9ca03e5e49f7279b1ec089e494ea
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Tue Jul 23 16:52:19 2019 +0200

    x86emul: unconditionally deliver #UD for LWP insns
    
    This is to accompany commit 91f86f8634 ("x86/svm: Drop support for AMD's
    Lightweight Profiling").
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 0d10a77cc98dda1b8f9a96954149a872f46048c9
Author: Juergen Gross <jgross@xxxxxxxx>
Date:   Tue Jul 23 11:20:55 2019 +0200

    xen/sched: fix locking in restore_vcpu_affinity()
    
    Commit 0763cd2687897b55e7 ("xen/sched: don't disable scheduler on cpus
    during suspend") removed a lock in restore_vcpu_affinity() which needs
    to stay: cpumask_scratch_cpu() must be protected by the scheduler
    lock. restore_vcpu_affinity() is being called by thaw_domains(), so
    with multiple domains in the system another domain might already be
    running and the scheduler might make use of cpumask_scratch_cpu()
    already.
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Dario Faggioli <dfaggioli@xxxxxxxx>

commit c21df76199aba0d2a6654d56c8e93e31c1f03975
Author: Viktor Mitin <viktor.mitin.19@xxxxxxxxx>
Date:   Tue Jun 18 11:58:51 2019 +0300

    xen/arm: remove unused dt_device_node parameter
    
    Some of the function generating nodes (e.g make_timer_node)
    take in a dt_device_node parameter, but never used it.
    It is actually misused when creating DT for DomU.
    So it is the best to remove the parameter.
    
    Suggested-by: Julien Grall <julien.grall@xxxxxxx>
    Signed-off-by: Viktor Mitin <viktor_mitin@xxxxxxxx>
    Reviewed-by: Julien Grall <julien.grall@xxxxxxx>

commit f56813f3470c5b4987963c3c41e4fe16b95c5a3f
Author: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>
Date:   Fri Jul 19 14:07:48 2019 +0100

    x86/crash: fix kexec transition breakage
    
    Following 6ff560f7f ("x86/SMP: don't try to stop already stopped CPUs")
    an incorrect condition was placed into kexec transition path
    leaving crashing CPU always online breaking kdump kernel entering.
    Correct it by unifying the condition with smp_send_stop().
    
    Signed-off-by: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>

commit 01dc6aa94246a2e4519726552b06ac1fe4e6d31a
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Mon Jul 22 12:06:10 2019 +0200

    AMD/IOMMU: pass IOMMU to amd_iommu_alloc_intremap_table()
    
    The function will want to know IOMMU properties (specifically the IRTE
    size) subsequently.
    
    Correct indentation of one of the call sites at this occasion.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>

commit 4e8e9875622cbdb24469c43ca5f08f83dc59bbca
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Mon Jul 22 12:05:27 2019 +0200

    AMD/IOMMU: pass IOMMU to iterate_ivrs_entries() callback
    
    Both users will want to know IOMMU properties (specifically the IRTE
    size) subsequently. Leverage this to avoid pointless calls to the
    callback when IVRS mapping table entries are unpopulated. To avoid
    leaking interrupt remapping tables (bogusly) allocated for IOMMUs
    themselves, this requires suppressing their allocation in the first
    place, taking a step further what commit 757122c0cf ('AMD/IOMMU: don't
    "add" IOMMUs') had done.
    
    Additionally suppress the call for alias entries, as again both users
    don't care about these anyway. In fact this eliminates a fair bit of
    redundancy from dump output.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>

commit df2030c34cc9161dd9e35c0e8c55057e101ac81a
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Mon Jul 22 12:03:46 2019 +0200

    AMD/IOMMU: process softirqs while dumping IRTs
    
    When there are sufficiently many devices listed in the ACPI tables (no
    matter if they actually exist), output may take way longer than the
    watchdog would like.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>

commit 6ae22e7aac8fb0d39318eb27eab439dd97521174
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Mon Jul 22 11:59:01 2019 +0200

    AMD/IOMMU: free more memory when cleaning up after error
    
    The interrupt remapping in-use bitmaps were leaked in all cases. The
    ring buffers and the mapping of the MMIO space were leaked for any IOMMU
    that hadn't been enabled yet.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>
(qemu changes not included)

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