From: Pavel Begunkov <asml.silence@gmail.com>
To: Jens Axboe <axboe@kernel.dk>, Andres Freund <andres@anarazel.de>,
io-uring@vger.kernel.org
Subject: Re: liburing: expose syscalls?
Date: Sun, 2 Feb 2020 02:30:04 +0300 [thread overview]
Message-ID: <9644308d-ef0e-1b94-9a3b-1a4e03bfd314@gmail.com> (raw)
In-Reply-To: <e57109e7-357f-3ab5-4fd5-0488cf2021a0@kernel.dk>
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On 02/02/2020 01:51, Jens Axboe wrote:
>>> So you just want to have them exposed? I'd be fine with that. I'll
>>> take a patch :-)
>>>
>>
>> Depends on how it's used, but I'd strive to inline
>> __sys_io_uring_enter() to remove the extra indirect call into the
>> shared lib. Though, not sure about packaging and all this stuff. May
>> be useful to do that for liburing as well.
>
> Not sure that actually matters when you're doing a syscall anyway, that
> should be the long pole for the operation.
>
Yeah, but they are starting to stack up (+syscall() from glibc) and can became
even more layered on the user side.
--
Pavel Begunkov
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next prev parent reply other threads:[~2020-02-01 23:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-01 12:53 liburing: expose syscalls? Andres Freund
2020-02-01 17:39 ` Jens Axboe
2020-02-01 17:49 ` Andres Freund
2020-02-01 17:52 ` Jens Axboe
2020-02-01 21:16 ` Pavel Begunkov
2020-02-01 22:51 ` Jens Axboe
2020-02-01 23:30 ` Pavel Begunkov [this message]
2020-02-02 3:29 ` Jens Axboe
2020-02-02 7:27 ` Andres Freund
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