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ziy@nvidia.com, yuzhao@google.com, baolin.wang@linux.alibaba.com, usamaarif642@gmail.com, joel.granados@kernel.org, richard.weiyang@gmail.com, geert+renesas@glider.be, tim.c.chen@linux.intel.com, linux@treblig.org, alexander.shishkin@linux.intel.com, lillian@star-ark.net, chenhuacai@kernel.org, francesco@valla.it, guoweikang.kernel@gmail.com, link@vivo.com, jpoimboe@kernel.org, masahiroy@kernel.org, brauner@kernel.org, thomas.weissschuh@linutronix.de, oleg@redhat.com, mjguzik@gmail.com, andrii@kernel.org, wangfushuai@baidu.com, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, linux-i2c@vger.kernel.org, linux-arch@vger.kernel.org, linux-modules@vger.kernel.org, rcu@vger.kernel.org, linux-nfs@vger.kernel.org, linux-rt-devel@lists.linux.dev, 2407018371@qq.com, dakr@kernel.org, miguel.ojeda.sandonis@gmail.com, neilb@ownmail.net, bagasdotme@gmail.com, wsa+renesas@sang-engineering.com, dave.hansen@intel.com, geert@linux-m68k.org, ojeda@kernel.org, alex.gaynor@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, rust-for-linux@vger.kernel.org Subject: [PATCH v18 12/42] dept: apply sdt_might_sleep_{start,end}() to waitqueue wait Date: Fri, 5 Dec 2025 16:18:25 +0900 Message-Id: <20251205071855.72743-13-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20251205071855.72743-1-byungchul@sk.com> References: <20251205071855.72743-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSbUxTdxTG/d/XttLlphK9ajKXJsSN+YZRc4y4mH3Zf3PLlixxyTRiIzfS WAq2iGBiUgsOxZZ1zMIAJ9KGglBedqtWEbWtghIktPGlVSqCQZTQglPqAiis1vjl5HeeJ89z vhwJqRikl0nU2jxBp1VplIyMkkWTbKuzS9ar13mdW+DBUQ8F72rcLBwXq2i4HTRS4G9tRvCu vJuFqekBFioC5SSE/NdJcJ4/SoB1eISBSYcJQfVoDQtjXd+AY2SOgBFPCYLxipcMzPb1k1Bp 9SO42mhk4JnlAgn3YpMM9FhPMhANnCagyN7GQMXfIgXhinICmsUfoNdiI6ByLC7/swRqKouI +HgRP9dyhYA79jAFDkMKPG2sZuHtcBp0Nz9n4fHvVgpao/009Aw+oOHJrd9ocBuGWBAfdiGY 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linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Make dept able to track dependencies by waitqueue waits. Signed-off-by: Byungchul Park --- include/linux/wait.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/wait.h b/include/linux/wait.h index f648044466d5..7815caf61a15 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -7,6 +7,7 @@ #include #include #include +#include =20 #include =20 @@ -305,6 +306,7 @@ extern void init_wait_entry(struct wait_queue_entry *wq= _entry, int flags); struct wait_queue_entry __wq_entry; \ long __ret =3D ret; /* explicit shadow */ \ \ + sdt_might_sleep_start(NULL); \ init_wait_entry(&__wq_entry, exclusive ? WQ_FLAG_EXCLUSIVE : 0); \ for (;;) { \ long __int =3D prepare_to_wait_event(&wq_head, &__wq_entry, state);\ @@ -323,6 +325,7 @@ extern void init_wait_entry(struct wait_queue_entry *wq= _entry, int flags); break; \ } \ finish_wait(&wq_head, &__wq_entry); \ + sdt_might_sleep_end(); \ __out: __ret; \ }) =20 --=20 2.17.1