Message ID | 20240508094726.35754-14-byungchul@sk.com (mailing list archive) |
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Return-Path: <owner-linux-mm@kvack.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14105C25B5F for <linux-mm@archiver.kernel.org>; Wed, 8 May 2024 09:48:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 245646B00F5; Wed, 8 May 2024 05:47:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1D0AB6B00F7; Wed, 8 May 2024 05:47:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E03E86B00F8; Wed, 8 May 2024 05:47:57 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id ADA776B00F5 for <linux-mm@kvack.org>; Wed, 8 May 2024 05:47:57 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 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boqun.feng@gmail.com, longman@redhat.com, hdanton@sina.com, her0gyugyu@gmail.com Subject: [PATCH v14 13/28] dept: Apply sdt_might_sleep_{start,end}() to waitqueue wait Date: Wed, 8 May 2024 18:47:10 +0900 Message-Id: <20240508094726.35754-14-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240508094726.35754-1-byungchul@sk.com> References: <20240508094726.35754-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSa0iTYRTHe573NkeLl2X4ah+qlRRGlmJ1yoxu2EtQiUUf9EONfNWRNzav QWCpZamlllo2whvTdF7aCixdLE3TRFtlpmEzbVTDzdFspinVNPpy+PE///P7dESE9BHlI1Ik JAvKBHmcjBaTYvvyyi27jwRHb7N+8oai/G3g+pFLgrpZS4OpqQGB9uFFDNauw/B+xoZgvv8V AWUlJgSV4x8JeNhtRmCou0TDW8sKGHQ5aOgtyaMhq7qZhteTCxhGS4sxNOiOQl9hFQbj3FcS yqw03C3Lwu7xDcOcpp4BTaYvTNSVM7AwHgC95iEKDB82w517ozS0G3pJ6G6dwPD2iZoGs/YP BX3dPSSYigooaJyqomFyRkOAxuVg4I2xAkNLtlt0efo3BS8KjBgu1zzAMDjShuBp7icMOu0Q DZ0uGwa9roSAX7VdCCau2xnIyZ9j4O7F6wjyckpJyB7dDvOzanrfLr7T5iD4bH0ab5ipIPmX 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diff --git a/include/linux/wait.h b/include/linux/wait.h index 8aa3372f21a0..3177550a1b42 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -7,6 +7,7 @@ #include <linux/list.h> #include <linux/stddef.h> #include <linux/spinlock.h> +#include <linux/dept_sdt.h> #include <asm/current.h> @@ -302,6 +303,7 @@ extern void init_wait_entry(struct wait_queue_entry *wq_entry, int flags); struct wait_queue_entry __wq_entry; \ long __ret = ret; /* explicit shadow */ \ \ + sdt_might_sleep_start(NULL); \ init_wait_entry(&__wq_entry, exclusive ? WQ_FLAG_EXCLUSIVE : 0); \ for (;;) { \ long __int = prepare_to_wait_event(&wq_head, &__wq_entry, state);\ @@ -317,6 +319,7 @@ extern void init_wait_entry(struct wait_queue_entry *wq_entry, int flags); cmd; \ } \ finish_wait(&wq_head, &__wq_entry); \ + sdt_might_sleep_end(); \ __out: __ret; \ })
Makes Dept able to track dependencies by waitqueue waits. Signed-off-by: Byungchul Park <byungchul@sk.com> --- include/linux/wait.h | 3 +++ 1 file changed, 3 insertions(+)