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vhost: add migration block if memfd failed

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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Thibaut Collet <thibaut.collet@6wind.com>
This commit is contained in:
Marc-André Lureau 2015-10-09 17:17:34 +02:00 • committed by Michael S. Tsirkin
parent de1372d466
commit 31190ed781
3 changed files with 27 additions and 0 deletions
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3
hw/virtio/vhost.c
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@ -1019,6 +1019,9 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
if (!(hdev->features & (0x1ULL << VHOST_F_LOG_ALL))) {
error_setg(&hdev->migration_blocker,
"Migration disabled: vhost lacks VHOST_F_LOG_ALL feature.");
} else if (!qemu_memfd_check()) {
error_setg(&hdev->migration_blocker,
"Migration disabled: failed to allocate shared memory");
}
}