netdev - Re: [RFC PATCH v4 1/4] liburing: add api to set napi busy poll settings

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Message-ID: <qvqwsfic3zik.fsf@dev0134.prn3.facebook.com>
Date:   Mon, 21 Nov 2022 10:58:45 -0800
From:   Stefan Roesch <shr@...kernel.io>
To:     Ammar Faizi <ammarfaizi2@...weeb.org>
Cc:     Facebook Kernel Team <kernel-team@...com>,
        Jens Axboe <axboe@...nel.dk>,
        Olivier Langlois <olivier@...llion01.com>,
        netdev Mailing List <netdev@...r.kernel.org>,
        io-uring Mailing List <io-uring@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [RFC PATCH v4 1/4] liburing: add api to set napi busy poll
 settings


Ammar Faizi <ammarfaizi2@...weeb.org> writes:

> On 11/19/22 11:11 AM, Stefan Roesch wrote:
>> +
>> +int io_uring_register_napi(struct io_uring *ring, struct io_uring_napi *napi)
>> +{
>> +	return __sys_io_uring_register(ring->ring_fd,
>> +				IORING_REGISTER_NAPI, napi, 0);
>> +}
>> +
>> +int io_uring_unregister_napi(struct io_uring *ring, struct io_uring_napi *napi)
>> +{
>> +	return __sys_io_uring_register(ring->ring_fd,
>> +				IORING_REGISTER_NAPI, napi, 0);
>> +}
>
> The latter should be IORING_UNREGISTER_NAPI instead of IORING_REGISTER_NAPI?
> Or did I miss something?

Thats correct.