On 01/03/15 06:06, Luyao Huang wrote:
> We didn't set a id when we build RNG device cmdline before.
> Give a id to every RNG device and we can hotunplug it via
> QMP cmd device_del.
>
> Signed-off-by: Luyao Huang <lhu...@redhat.com>
> ---
> src/qemu/qemu_command.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 46e289d..a4073ee 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -5761,7 +5761,7 @@ qemuBuildRNGBackendArgs(virCommandPtr cmd,
> goto cleanup;
> }
>
> - virBufferAsprintf(&buf, "rng-random,id=%s,filename=%s",
> + virBufferAsprintf(&buf, "rng-random,id=obj%s,filename=%s",
> dev->info.alias, dev->source.file);
>
> virCommandAddArg(cmd, "-object");
> @@ -5784,7 +5784,7 @@ qemuBuildRNGBackendArgs(virCommandPtr cmd,
> virCommandAddArgList(cmd, "-chardev", backend, NULL);
>
> virCommandAddArg(cmd, "-object");
> - virCommandAddArgFormat(cmd, "rng-egd,chardev=char%s,id=%s",
> + virCommandAddArgFormat(cmd, "rng-egd,chardev=char%s,id=obj%s",
> dev->info.alias, dev->info.alias);
> break;
>
> @@ -5816,13 +5816,13 @@ qemuBuildRNGDevStr(virDomainDefPtr def,
> }
>
> if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW)
> - virBufferAsprintf(&buf, "virtio-rng-ccw,rng=%s", dev->info.alias);
> + virBufferAsprintf(&buf, "virtio-rng-ccw,rng=obj%s,id=%s",
> dev->info.alias, dev->info.alias);
> else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390)
> - virBufferAsprintf(&buf, "virtio-rng-s390,rng=%s", dev->info.alias);
> + virBufferAsprintf(&buf, "virtio-rng-s390,rng=obj%s,id=%s",
> dev->info.alias, dev->info.alias);
> else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO)
> - virBufferAsprintf(&buf, "virtio-rng-device,rng=%s", dev->info.alias);
> + virBufferAsprintf(&buf, "virtio-rng-device,rng=obj%s,id=%s",
> dev->info.alias, dev->info.alias);
> else
> - virBufferAsprintf(&buf, "virtio-rng-pci,rng=%s", dev->info.alias);
> + virBufferAsprintf(&buf, "virtio-rng-pci,rng=obj%s,id=%s",
> dev->info.alias, dev->info.alias);
>
> if (dev->rate > 0) {
> virBufferAsprintf(&buf, ",max-bytes=%u", dev->rate);
> This breaks the testsuite as you didn't fix the expected outputs after such a change. Please always run "make check" before posting patches. Additional question. Is this change even necessary? The RNG device does have it's alias already whithout the "obj" prefix ... thus it's just "rng0" for example. NACK unless you have a good reason for the change. Peter
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