On 01/30/2012 05:31 PM, Cong Wang wrote:
> On 01/30/2012 05:16 PM, Dave Young wrote:
>>
>> How to say...
>> There's many different configs for network like:
>> 1. ip={dhcp|on|any|dhcp6|auto6|ibft}
>> 2. ip=<interface>:{dhcp|on|any|dhcp6|auto6}
>> 3. ip=<client-IP>:[<server-id>
>> ]:<gateway-IP>:<netmask>:<client_hostname>:<interface>:{none|off}
>> 4. ifname=
>> 5. bootdev=
>> 6. root=nfs:[snip]
>>
>> They are all possibly be used, IHMO they are not good options for this
>> patch using. For example there's no NIC specified in 1 and 3, we will
>> still have to bring up the default
>
>
> Kdump module can make sure that at least one NIC will be specified, if
> there is ip=.
>
>>
>> Also this is a general feature, maybe it will be used by users other
>> than kdump. For kdump I think we can use proper ip= plus rd.neednet=1
>>
>
> Why? If we can re-use ip=, it will imply rd.neednet=1, so again,
> rd.neednet is not needed.
why choose ip=? what if user pass ifname= or bootdev= without ip=? I
want to benefit to other user as well, from semantic point of view one
global switch like rd.neednet is more clear then reuse the various other
options.
--
Thanks
Dave
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