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From: Kui-Feng Lee <sinquersw@gmail.com>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
	Kui-Feng Lee <thinker.li@gmail.com>
Cc: bpf <bpf@vger.kernel.org>, Alexei Starovoitov <ast@kernel.org>,
	Martin KaFai Lau <martin.lau@linux.dev>,
	Song Liu <song@kernel.org>, Kernel Team <kernel-team@meta.com>,
	Andrii Nakryiko <andrii@kernel.org>,
	Kui-Feng Lee <kuifeng@meta.com>
Subject: Re: [RFC bpf-next] Registering struct_ops types from modules.
Date: Fri, 8 Sep 2023 14:03:17 -0700	[thread overview]
Message-ID: <b1c35333-013b-2f3a-e6cd-c00530e8a6cf@gmail.com> (raw)
In-Reply-To: <CAADnVQLAmvNewqyVUZkcFt8RRvs+W0RJfyExa-gZ=-0-nwL16A@mail.gmail.com>



On 9/8/23 11:24, Alexei Starovoitov wrote:
> On Thu, Sep 7, 2023 at 1:32 PM <thinker.li@gmail.com> wrote:
>>
>> From: Kui-Feng Lee <thinker.li@gmail.com>
>>
>> Resend to remove noise!
>>
>> Given the current constraints of the current implementation, struct_ops
>> cannot be registered dynamically. This presents a significant limitation
>> for modules like fuse-bpf, which seeks to implement a new struct_ops
>> type. To address this issue, here it proposes the introduction of a new
>> API. This API will enable the registering of new struct_ops types from
>> modules.
>>
>> The following code is an example of how to implement a new struct_ops type
>> in a module with the proposed API. It adds a new type bpf_testmod_ops in
>> the bpf_testmod module. And, call register_bpf_struct_ops() and
>> unregister_bpf_struct_ops() when init and exit the module.
> 
> register_bpf_struct_ops() api implementation is missing in the diff.

Sorry for the confusion!
The purpose of this RFC to check how people think about the API itself.

  reply	other threads:[~2023-09-08 21:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-07 20:32 [RFC bpf-next] Registering struct_ops types from modules thinker.li
2023-09-08 18:24 ` Alexei Starovoitov
2023-09-08 21:03   ` Kui-Feng Lee [this message]
  -- strict thread matches above, loose matches on Subject: below --
2023-09-07 20:26 thinker.li

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