From: Hao Xu <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Cc: Jens Axboe <[email protected]>
Subject: Re: [PATCH for-next v2 21/25] io_uring: add IORING_SETUP_SINGLE_ISSUER
Date: Wed, 15 Jun 2022 19:08:51 +0800 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 6/15/22 18:26, Pavel Begunkov wrote:
> On 6/15/22 10:41, Hao Xu wrote:
>> On 6/14/22 22:37, Pavel Begunkov wrote:
>>> Add a new IORING_SETUP_SINGLE_ISSUER flag and the userspace visible part
>>> of it, i.e. put limitations of submitters. Also, don't allow it together
>>> with IOPOLL as we're not going to put it to good use.
>>>
>>> Signed-off-by: Pavel Begunkov <[email protected]>
>>> ---
>>> include/uapi/linux/io_uring.h | 5 ++++-
>>> io_uring/io_uring.c | 7 +++++--
>>> io_uring/io_uring_types.h | 1 +
>>> io_uring/tctx.c | 27 ++++++++++++++++++++++++---
>>> io_uring/tctx.h | 4 ++--
>>> 5 files changed, 36 insertions(+), 8 deletions(-)
>>>
> [...]
>>> diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
>>> index 15d209f334eb..4b90439808e3 100644
>>> --- a/io_uring/io_uring.c
>>> +++ b/io_uring/io_uring.c
>>> @@ -3020,6 +3020,8 @@ static __cold void io_ring_ctx_free(struct
>>> io_ring_ctx *ctx)
>>> io_destroy_buffers(ctx);
>>> if (ctx->sq_creds)
>>> put_cred(ctx->sq_creds);
>>> + if (ctx->submitter_task)
>>> + put_task_struct(ctx->submitter_task);
>>> /* there are no registered resources left, nobody uses it */
>>> if (ctx->rsrc_node)
>>> @@ -3752,7 +3754,7 @@ static int io_uring_install_fd(struct
>>> io_ring_ctx *ctx, struct file *file)
>>> if (fd < 0)
>>> return fd;
>>> - ret = io_uring_add_tctx_node(ctx);
>>> + ret = __io_uring_add_tctx_node(ctx, false);
>
> ^^^^^^
>
> Note this one
My bad, I read it wrong...
next prev parent reply other threads:[~2022-06-15 11:09 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-14 14:36 [PATCH for-next v2 00/25] 5.20 cleanups and poll optimisations Pavel Begunkov
2022-06-14 14:36 ` [PATCH for-next v2 01/25] io_uring: make reg buf init consistent Pavel Begunkov
2022-06-14 14:36 ` [PATCH for-next v2 02/25] io_uring: move defer_list to slow data Pavel Begunkov
2022-06-14 14:36 ` [PATCH for-next v2 03/25] io_uring: better caching for ctx timeout fields Pavel Begunkov
2022-06-14 14:36 ` [PATCH for-next v2 04/25] io_uring: refactor ctx slow data placement Pavel Begunkov
2022-06-15 7:58 ` Hao Xu
2022-06-15 10:11 ` Pavel Begunkov
2022-06-15 10:59 ` Hao Xu
2022-06-14 14:36 ` [PATCH for-next v2 05/25] io_uring: move small helpers to headers Pavel Begunkov
2022-06-14 14:36 ` [PATCH for-next v2 06/25] io_uring: explain io_wq_work::cancel_seq placement Pavel Begunkov
2022-06-14 14:36 ` [PATCH for-next v2 07/25] io_uring: inline ->registered_rings Pavel Begunkov
2022-06-14 14:36 ` [PATCH for-next v2 08/25] io_uring: don't set REQ_F_COMPLETE_INLINE in tw Pavel Begunkov
2022-06-14 14:36 ` [PATCH for-next v2 09/25] io_uring: never defer-complete multi-apoll Pavel Begunkov
2022-06-15 8:05 ` Hao Xu
2022-06-14 14:37 ` [PATCH for-next v2 10/25] io_uring: kill REQ_F_COMPLETE_INLINE Pavel Begunkov
2022-06-15 8:20 ` Hao Xu
2022-06-15 10:18 ` Pavel Begunkov
2022-06-15 10:19 ` Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 11/25] io_uring: refactor io_req_task_complete() Pavel Begunkov
2022-06-14 17:45 ` Hao Xu
2022-06-14 17:52 ` Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 12/25] io_uring: don't inline io_put_kbuf Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 13/25] io_uring: remove check_cq checking from hot paths Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 14/25] io_uring: poll: remove unnecessary req->ref set Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 15/25] io_uring: switch cancel_hash to use per entry spinlock Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 16/25] io_uring: pass poll_find lock back Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 17/25] io_uring: clean up io_try_cancel Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 18/25] io_uring: limit number hash buckets Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 19/25] io_uring: clean up io_ring_ctx_alloc Pavel Begunkov
2022-06-15 8:46 ` Hao Xu
2022-06-14 14:37 ` [PATCH for-next v2 20/25] io_uring: use state completion infra for poll reqs Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 21/25] io_uring: add IORING_SETUP_SINGLE_ISSUER Pavel Begunkov
2022-06-15 9:34 ` Hao Xu
2022-06-15 10:20 ` Pavel Begunkov
2022-06-15 9:41 ` Hao Xu
2022-06-15 10:26 ` Pavel Begunkov
2022-06-15 11:08 ` Hao Xu [this message]
2022-06-14 14:37 ` [PATCH for-next v2 22/25] io_uring: pass hash table into poll_find Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 23/25] io_uring: introduce a struct for hash table Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 24/25] io_uring: propagate locking state to poll cancel Pavel Begunkov
2022-06-14 14:37 ` [PATCH for-next v2 25/25] io_uring: mutex locked poll hashing Pavel Begunkov
2022-06-15 12:53 ` Hao Xu
2022-06-15 13:55 ` Pavel Begunkov
2022-06-15 15:19 ` Hao Xu
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