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Fix an s390x migration breakage up for 2.10 stable.

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This will be fixed properly for 2.11.
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170922' into staging

Fix an s390x migration breakage up for 2.10 stable.
This will be fixed properly for 2.11.

# gpg: Signature made Fri 22 Sep 2017 08:28:22 BST
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>"
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20170922:
  s390x/ais: for 2.10 stable: disable ais facility

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2017-09-22 10:55:55 +01:00
commit 3aaa8d4499
1 changed files with 7 additions and 2 deletions
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9
target/s390x/kvm.c
View File

@ -311,8 +311,13 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
}
}
/* Try to enable AIS facility */
kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0);
/*
* The migration interface for ais was introduced with kernel 4.13
* but the capability itself had been active since 4.12. As migration
* support is considered necessary let's disable ais in the 2.10
* machine.
*/
/* kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0); */
qemu_mutex_init(&qemu_sigp_mutex);