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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 13/42] dept: apply sdt_might_sleep_{start,end}() to hashed-waitqueue wait Date: Fri, 5 Dec 2025 16:18:26 +0900 Message-Id: <20251205071855.72743-14-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: H4sIAAAAAAAAAzWSbUxTdxjF+d/7v7e3jc1uKpE7XObSxJloYGDUPDHLZvjC30XNkn3Y4jK3 Rq7jhlJMQV6cc0DQKuJkTdplFKEg6RCqvNaXabOKGw7UWQSlmpYrWqsdIIZYGC9dV7r57Zdz nnNyPjwcrXnApHKSoUg0GnR6LavCqqkVTWkG00Ypo8ulAb8cZOB+hQdD5NUxDPUdThaitosK +GO0EoP3fDsCOXIMwdyijYYjl2MYouZ+BVgqEMTc/QisQ2YafN5fabCMB1n4MVyBYdpRgyD8 ezZMyVcYiAWeUTA6O4nAEfyHgqDHhCBqzYMJ68v4vcWLoGk8QMNM+BGC3v4xBO7WShae1rpo 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X-CFilter-Loop: Reflected Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Make dept able to track dependencies by hashed-waitqueue waits. Signed-off-by: Byungchul Park --- include/linux/wait_bit.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h index 9e29d79fc790..179a616ad245 100644 --- a/include/linux/wait_bit.h +++ b/include/linux/wait_bit.h @@ -6,6 +6,7 @@ * Linux wait-bit related types and methods: */ #include +#include struct wait_bit_key { unsigned long *flags; @@ -257,6 +258,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p); struct wait_bit_queue_entry __wbq_entry; \ long __ret = ret; /* explicit shadow */ \ \ + sdt_might_sleep_start(NULL); \ init_wait_var_entry(&__wbq_entry, var, \ exclusive ? WQ_FLAG_EXCLUSIVE : 0); \ for (;;) { \ @@ -274,6 +276,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p); cmd; \ } \ finish_wait(__wq_head, &__wbq_entry.wq_entry); \ + sdt_might_sleep_end(); \ __out: __ret; \ }) -- 2.17.1