From patchwork Fri Jul 28 16:42:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 13332129 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4EACC04FE1 for ; Fri, 28 Jul 2023 16:43:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234019AbjG1Qng (ORCPT ); Fri, 28 Jul 2023 12:43:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233907AbjG1Qm6 (ORCPT ); Fri, 28 Jul 2023 12:42:58 -0400 Received: from mail-io1-xd30.google.com (mail-io1-xd30.google.com [IPv6:2607:f8b0:4864:20::d30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A89994220 for ; Fri, 28 Jul 2023 09:42:47 -0700 (PDT) Received: by mail-io1-xd30.google.com with SMTP id ca18e2360f4ac-785ccd731a7so26647439f.0 for ; Fri, 28 Jul 2023 09:42:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20221208.gappssmtp.com; s=20221208; t=1690562567; x=1691167367; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=OXSlh5iMF2cncsBboldJj3SWTlVFipNC9kJryix07S8=; b=uR1ssBnjeuiTE5m+B1bv8/fVJi5l51pnVmG4/EL2HyEO/5GT3XvxP+aKESMKhKlEgX jZie60GP1Zs56RCJUEG7Fl3y6elluyJ1bBWTmu8gm4wxHC3Ht0X2XW8Iq0nSAqg4ZMDx L3jL+mrawF4MCUuHLxar6LxnHgBrJI4J3KXzU1IuiXv0ivgJuxsdxGJHyW/B3uwqOyiz vuWprkljIdUGjE/PFrQjkroizLVTWfApqq5YggJJCfCgmVzjxTs4LtwPy25jqwMknP7a G+1N8neLLNkHLV0jnpbkM3i88h4gcDlyQ8S2i/5tRA2Tk8Z7+F8S56ihdnb5n9oWTYAo 7rYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690562567; x=1691167367; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OXSlh5iMF2cncsBboldJj3SWTlVFipNC9kJryix07S8=; b=XfJJ5Xu91hS6u9FvFIWRhf5XWYuNNZ1RA0dFKYYWfbtXgcUSDX+DG6ztunmKho9V3o ajadx0L1C5tjk9O6GbuXKl28R7QQ/dyCoZEIhNZ4jmefM9vXoPfoch3nxMDV+QjnbDGV SWpK9nTZh/lq9Gq+G17w37IAHEVPJhpbkNQWtOIdJVnfxuJA2OgXOXrv8pKbCUPNUS3d QZT5xBTtY/O3P7GYVNJVqHVSiL25ORnkC8aslnroHNcx4KuNJtKAz5pOJgadkHapW1xl W9uiN56rl+sg3MkJUDIN+x77CZ20TvjD/essm5I+UYo02PVAlaHlJHdX0BJjY4EisWJg hVWQ== X-Gm-Message-State: ABy/qLbit5tRVxFZ3pKvSXiaaSAGzwPJo3Hia34SZowJf7hlu7oMhDVB 56l9afttRVKkYIBaxxLfrn54tge0s7MdYNg5HwY= X-Google-Smtp-Source: APBJJlFlBnnNTWUhJsxY+erh6d54s+bvd80ug2ho8FkRQYf0VeSYZ+olBr/8UMGKDweSt+ZDFNkkog== X-Received: by 2002:a05:6602:3d5:b0:780:d65c:d78f with SMTP id g21-20020a05660203d500b00780d65cd78fmr98470iov.2.1690562566663; Fri, 28 Jul 2023 09:42:46 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id b2-20020a029a02000000b0042b37dda71asm1158808jal.136.2023.07.28.09.42.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Jul 2023 09:42:46 -0700 (PDT) From: Jens Axboe To: io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Cc: peterz@infradead.org, andres@anarazel.de, tglx@linutronix.de, Jens Axboe Subject: [PATCH 09/12] futex: add wake_data to struct futex_q Date: Fri, 28 Jul 2023 10:42:32 -0600 Message-Id: <20230728164235.1318118-10-axboe@kernel.dk> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230728164235.1318118-1-axboe@kernel.dk> References: <20230728164235.1318118-1-axboe@kernel.dk> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org With handling multiple futex_q for waitv, we cannot easily go from the futex_q to data related to that request or queue. Add a wake_data argument that belongs to the wake handler assigned. Signed-off-by: Jens Axboe --- kernel/futex/futex.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/futex/futex.h b/kernel/futex/futex.h index e04c74a34832..4633c99ea4b6 100644 --- a/kernel/futex/futex.h +++ b/kernel/futex/futex.h @@ -146,6 +146,7 @@ typedef void (futex_wake_fn)(struct wake_q_head *wake_q, struct futex_q *q); * @task: the task waiting on the futex * @lock_ptr: the hash bucket lock * @wake: the wake handler for this queue + * @wake_data: data associated with the wake handler * @key: the key the futex is hashed on * @pi_state: optional priority inheritance state * @rt_waiter: rt_waiter storage for use with requeue_pi @@ -171,6 +172,7 @@ struct futex_q { struct task_struct *task; spinlock_t *lock_ptr; futex_wake_fn *wake; + void *wake_data; union futex_key key; struct futex_pi_state *pi_state; struct rt_mutex_waiter *rt_waiter;