From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on gnuweeb.org X-Spam-Level: X-Spam-Status: No, score=1.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.6 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83B08C43334 for ; Thu, 16 Jun 2022 13:18:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229775AbiFPNSi (ORCPT ); Thu, 16 Jun 2022 09:18:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233400AbiFPNSe (ORCPT ); Thu, 16 Jun 2022 09:18:34 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F225A424B2 for ; Thu, 16 Jun 2022 06:18:32 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id e9so1399879pju.5 for ; Thu, 16 Jun 2022 06:18:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=from:to:in-reply-to:references:subject:message-id:date:mime-version :content-transfer-encoding; bh=/m20LVEN11NoAiHfEyHKT/uqmna9uj9Xqyx6iPI33u8=; b=tqsIB/L1axMP0vrVlK+0ceVFJnkcOBnqPU5Mo/2ZktCOKmtmU8U/ub+cpGYol8oxFp gfMZThKUUfEGcsLGwOX2vF433KgGhxiFVBSJOOiMv/EWyEJFEHpMx2rUr3uovUoqvvwc CwxRVWtviVRdGOh6eLtH0pUWF3sOU1xNadKxrf6kqQmojWk/5JhaRb91CYIdb6zYv6Zo ci8Nk5rYePA4VgvLiTSeWqZGUuM4QwRX3U55p7WaAXp3tqLUjF7Ly92fWZQ4t1ZGxQ9N ldf++pkHGPbK+G9B27Tn/uGYUzi+OqfXmW2SD3Y3+M4Pd8a4xVJEffSRGc1hFXiP4W7U ZoYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:in-reply-to:references:subject :message-id:date:mime-version:content-transfer-encoding; bh=/m20LVEN11NoAiHfEyHKT/uqmna9uj9Xqyx6iPI33u8=; b=diswi3Nv4mSNO4i6hYQe9tAFJr2OH7ydNKro3v7NYbiiwYRUoVejww/5upoYDWGFH0 b/uc6bm6nC1dD9pGaq37w6i29RFoGxJZBzcjiv6AIhhSLA8otl724y5zNSOrad9H2Zwu WpWHYiKSMaSIYCS81sAAKYtEGy+FsC7Lfu+XlcZGN5LevsDxKjb3BO2gl6NJ14pp02Pb lF8buVvqLEpvIqw6dw9dT/iUDHt+ykm6cZz12tkratuBhoYccjPvSgQ6EFVDJR4ZbLAx J8PyA58JtSiFCr5wUwTMwDgUn52WtiqEVbLyRJBq9QvFKi8MR5u+ewvvDcJ7GV34d9tn zpUw== X-Gm-Message-State: AJIora/6dcn3rkdF5P9ITv2uRnkKA0vgxmkVRbR95tPg5iw2ExdjvpSd S942JJuR5ISrd6V2v7fk3kqUasgS/GV4ig== X-Google-Smtp-Source: AGRyM1tFnF+0+MkDjeEr+kIlv3Gc8s7d2b8vC7jArYbjpvkY14rQPS4UmC+VepKzlhNo1ISEJR48HA== X-Received: by 2002:a17:90b:3845:b0:1e2:e175:be04 with SMTP id nl5-20020a17090b384500b001e2e175be04mr5094402pjb.50.1655385512183; Thu, 16 Jun 2022 06:18:32 -0700 (PDT) Received: from [127.0.1.1] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id fu13-20020a17090ad18d00b001cb6527ca39sm3804960pjb.0.2022.06.16.06.18.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jun 2022 06:18:31 -0700 (PDT) From: Jens Axboe To: io-uring@vger.kernel.org, asml.silence@gmail.com In-Reply-To: References: Subject: Re: [PATCH for-next v3 00/16] 5.20 cleanups and poll optimisations Message-Id: <165538551152.1334545.12393141471563842275.b4-ty@kernel.dk> Date: Thu, 16 Jun 2022 07:18:31 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Thu, 16 Jun 2022 10:21:56 +0100, Pavel Begunkov wrote: > 1-4 kills REQ_F_COMPLETE_INLINE as we're out of bits. > > Patch 5 from Hao should remove some overhead from poll requests > > Patch 6 from Hao adds per-bucket spinlocks, and 16-19 do a little > bit of cleanup. The downside of per-bucket spinlocks is that it adds > additional spinlock/unlock pair in the poll request completion side, > which shouldn't matter much with 20/25. > > [...] Applied, thanks! [01/16] io_uring: rw: delegate sync completions to core io_uring commit: 45bfddb605aebe5298b054553ac8daa04bd73c67 [02/16] io_uring: kill REQ_F_COMPLETE_INLINE commit: c2399c806444c54c8414f2196e43ea22843e51a5 [03/16] io_uring: refactor io_req_task_complete() commit: a74ba63b8d9ed12fc06d6e122a94ebb53e8ae126 [04/16] io_uring: don't inline io_put_kbuf commit: 8fffc6537fb8d7e4e8901b0ca982396999c89c09 [05/16] io_uring: poll: remove unnecessary req->ref set commit: 0e769a4667807d1bb249b4bcd9cc6ac6cbdea3ab [06/16] io_uring: switch cancel_hash to use per entry spinlock commit: 6c41fff4b73e393107a867c3259a7ce38e3d7137 [07/16] io_uring: pass poll_find lock back commit: 4488b60bf5d73e69c6e17f6296f71ab19f290fae [08/16] io_uring: clean up io_try_cancel commit: 034c5701e192e9521dae1a60c295a3dea8bd9f07 [09/16] io_uring: limit the number of cancellation buckets commit: 8a0089110740eb78bb6592b12b73c15096cc5b41 [10/16] io_uring: clean up io_ring_ctx_alloc commit: 8797b59e7bd7463775690a0ee0de4c2121e39a90 [11/16] io_uring: use state completion infra for poll reqs commit: 60ad0a221eb26eb7c3babb000c9fe05f5f3f9231 [12/16] io_uring: add IORING_SETUP_SINGLE_ISSUER commit: d2fbea05a52db51e1939fe3f99fdc5086ff093c4 [13/16] io_uring: pass hash table into poll_find commit: fbd91877aac264a470b666fbd88a8a31d202993e [14/16] io_uring: introduce a struct for hash table commit: 1aa9e1ce9887505ea87aa86128c1e0960e85e9dd [15/16] io_uring: propagate locking state to poll cancel commit: 3f301363931da831687160817f4b31fad89b50de [16/16] io_uring: mutex locked poll hashing commit: 154d61b44e7eee3b5db68d65d9cb7403c9f58e71 Best regards, -- Jens Axboe