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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 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: H4sIAAAAAAAAAzXSe0hTcRTA8X73/u6922pxWVK3BxSD6EUPy/L8kSVEdP+Mit6QIy+5nA+m +QgkrZZmtUrTHsvc1Mx0kWy9zGY+cpS1VbPUfEe6lE2DqRszH9mi/z6cw/n+dUSkrJVaJFLG JgrqWIVKTkuwZGiOYW1M5kblho/fQyBLcwY6e/ooGBvNwnD3sZGGnrEsBL7fOhI0VdMY8jIQ TFusCEYqp2hwNXgQ3BzMwDDUU03BdNdPAlq9bgST+dFQWGSmwfC9iwTPYC+CJ9ZuBM19c2G4 kgb9WQsFnz+4EBTochA42y0EVPW+ZOCza4KAnlInBn9pOQM6W/NMVh8HLmcODaYfLRRY2teA 4UIJhqzJUQTpOh8FjopPGN5b32LosF1lwKtdDLnDTgSOWj0BVv18qDx/h4Ecp4eBp681CDwl 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List-Id: List-Subscribe: List-Unsubscribe: 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 #include @@ -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 = 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);\ @@ -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; \ }) -- 2.17.1