Re: RFC: removing hardcoded "modprobe blktap" in xencommons

[George Dunlap <george.dunlap@eu.citrix.com>]

On 07/18/2013 08:31 AM, Wei Liu wrote:
> On Wed, Jul 17, 2013 at 12:16:01PM +0100, Ian Jackson wrote:
>> George Dunlap writes ("Re: RFC: removing hardcoded "modprobe blktap" in xencommons"):
>>> If we did something like this, we'd still have to have the modprobes in
>>> xencommons for older kernels; we'd just have to have a way to disable it
>>> for newer kernels.
>>
>> Many of the modules we'd be asking for (eg blktap*) don't exist on
>> newer kernels at all, so the modprobe is harmless.
>>
>> For the others we can check uname.
>>
>
> I think Jan's main point is "defer loading modules till the last
> minute". Checking for uname in xencommons cannot achieve that.

It can defer modules *for systems that can load them automatically*, 
while loading them immediately for those that don't.  I think that's an 
improvement.

  -George