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libvirt
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tests
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qemuhotplugtestdevices
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qemuhotplug-ivshmem-plain.xml
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qemu: add support for shmem-{plain, doorbell} role Role(master or peer) controls how the domain behaves on migration. For more details about migration with ivshmem, see https://git.qemu.org/?p=qemu.git;a=blob_plain;f=docs/system/ivshmem.rst;hb=HEAD It's a optional attribute in libvirt, and qemu will choose default role for ivshmem device if the user is not specified. With device property 'role', the value can be 'master' or 'peer'. - 'master' (means 'master=on' in qemu), the guest will copy the shared memory on migration to the destination host. - 'peer' (means 'master=off' in qemu), the migration is disabled. Signed-off-by: Martin Kletzander <mkletzan@redhat.com> Signed-off-by: Yang Hang <yanghang44@huawei.com> Signed-off-by: Wang Xin <wangxinxin.wang@huawei.com> Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
2020-07-24 03:34:11 +00:00
<shmem
name=
'shmem0'
role=
'peer'
>
qemu: Add support for hot/cold-(un)plug of shmem devices This is needed in order to migrate a domain with shmem devices as that is not allowed to migrate. Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2016-09-12 13:40:48 +00:00
<model
type=
'ivshmem-plain'
/>
</shmem>
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