On Thu, May 24, 2018 at 02:24:30PM +0200, Xiao Feng Ren wrote:
From: Yi Min Zhao <[email protected]>

The pci-root depends on zpci capability. So autogenerate pci-root if
zpci exists.

Signed-off-by: Yi Min Zhao <[email protected]>
Reviewed-by: Boris Fiuczynski <[email protected]>
Reviewed-by: Stefan Zimmermann <[email protected]>
Reviewed-by: Bjoern Walk <[email protected]>
---
src/qemu/qemu_domain.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index ee676a2789..05136540aa 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -3068,6 +3068,7 @@ qemuDomainDefAddDefaultDevices(virDomainDefPtr def,
    case VIR_ARCH_S390X:
        addDefaultUSB = false;
        addPanicDevice = true;
+        addPCIRoot = virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_ZPCI);

So from a certain QEMU version all the S390 machine types have an
implicit PCI root?

Is migration a thing on S390?

Jano

        break;

    case VIR_ARCH_SPARC:
--
2.16.3

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