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Message-ID: <e558ee64-48fc-48b9-addd-eab7f9f861ad@grimberg.me>
Date: Tue, 21 May 2024 19:10:53 +0300
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Subject: Re: Safe to delete rpcrdma.ko loading start-up code
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Chuck Lever III <chuck.lever@oracle.com>,
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From: Sagi Grimberg <sagi@grimberg.me>
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On 21/05/2024 18:23, Jason Gunthorpe wrote:
> On Tue, May 21, 2024 at 05:12:23PM +0300, Sagi Grimberg wrote:
>>>>>> I also see that srp(t) and iser(t) are loaded too.. IIRC these are
>>>>>> loaded by their userspace counterparts as well (or at least they
>>>>>> should).
>>>>> And AFIAK, these don't have a way to autoload at all. autoload
>>>>> requires the kernel to call request_module..
>>>> nvme/nvmet/isert are requested by the kernel.
>>> How? What is the interface to trigger request_module?
>> On the host, writing to the nvme-fabrics misc device a comma-separated
>> connection string
>> contains a transport string, which triggers the corresponding module to be
>> requested.
> But how did nvme-fabrics even get loaded to write to it's config fs in
> the first place?

Something (/etc/modules-load?) loaded it intentionally.
That something knows about a concrete intention to use nvme though...