From: Jens Axboe <axboe@kernel.dk>
To: Pavel Begunkov <asml.silence@gmail.com>, io-uring@vger.kernel.org
Subject: Re: [PATCH liburing v3 1/1] tests: test io_uring bpf ops
Date: Wed, 18 Mar 2026 12:28:28 -0600 [thread overview]
Message-ID: <84859817-8af5-4468-8980-fe25417d6572@kernel.dk> (raw)
In-Reply-To: <3c00370f-81b0-41d1-8deb-beb1781a75bd@kernel.dk>
On 3/18/26 12:24 PM, Jens Axboe wrote:
> On 3/18/26 11:43 AM, Pavel Begunkov wrote:
>> On 3/18/26 17:36, Pavel Begunkov wrote:
>>> Add some BPF struct ops io_uring tests/examples, one is issuing nops in
>>> a loop, the other copies a file.
>>
>> I needed to conditionally compile based on whether vmlinux.h contains
>> io_uring BPF definitions, so now configure probes it by generating a
>> temp vmlinux.h. And since I want to be able to pass a path to the
>> target vmlinux, it also became a configure parameter. Not sure if there
>> is a better way to handle that.
>
> Looks good to me. The configure changes are a bit broken though, you'd
> need something like this on top to not have it fail:
Oh, and additionally, at least my my debian test boxes, bpftool is in
/usr/sbin/bpftool and hence it won't get detected unless you run
configure as root...
--
Jens Axboe
next prev parent reply other threads:[~2026-03-18 18:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-18 17:36 [PATCH liburing v3 1/1] tests: test io_uring bpf ops Pavel Begunkov
2026-03-18 17:43 ` Pavel Begunkov
2026-03-18 18:24 ` Jens Axboe
2026-03-18 18:28 ` Jens Axboe [this message]
2026-03-18 20:57 ` Pavel Begunkov
2026-03-18 20:59 ` Pavel Begunkov
2026-03-18 21:01 ` Pavel Begunkov
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