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When a s390 guest runs on a z/VM host that's part of a SSI cluster, it can be migrated to a different host. In this case, the MAC address it originally obtained on the old host may be re-assigned to a new guest. This would result in address conflicts between the two guests. When running as z/VM guest, use the diag26c MAC Service to obtain a hypervisor-managed MAC address. The MAC Service is SSI-aware, and won't re-assign the address after the guest is migrated to a new host. This patch adds support for the z/VM MAC Service on L2 devices. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| block | ||
| char | ||
| cio | ||
| crypto | ||
| net | ||
| scsi | ||
| virtio | ||
| Makefile | ||