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max.byungchul.park@gmail.com, boqun.feng@gmail.com, longman@redhat.com, hdanton@sina.com, her0gyugyu@gmail.com Subject: [PATCH v13 09/27] dept: Apply sdt_might_sleep_{start,end}() to waitqueue wait Date: Wed, 6 Mar 2024 17:54:55 +0900 Message-Id: <20240306085513.41482-10-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240306085513.41482-1-byungchul@sk.com> References: <20240306085513.41482-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSV0xTcRSH/d/ZVmtuqtErPmCqBuMCFMgxMcYnvEZNHIkaieMKV2ksqEVm MKIMwUoFEqijQimkrCpahgsQMVSRMFREMAUFUUHKCNhqgagt0ZeTL7/zO9/TEeGyKtJDpAg/ J6jCeaWckhCSkXn56857Dwo+RY83QuZVH7D/SCVAV26ioP1uGQJT5UUMhhq3wXuHDcF0SxsO 2ux2BPl9PThUWnoR1BZfouDtwHzosI9R0JStpiCxoJyC18MzGFhzsjAoM++C5gwDBvXObwRo hyi4pU3EXGMQA6exlAZjwkroL75Jw0yfLzT1dpJQ+2EN3Mi1UlBT20SA5WE/Bm8f6yjoNf0h odnykoD2zHQS7owaKBh2GHEw2sdoeFOvx+BekkuUMvmbhBfp9RikFN7HoKP7CYK61E8YmE2d FDy32zCoMGfjMFXUiKBfM0JD8lUnDbcuahCok3MISLL6w/QvHbV1E/fcNoZzSRXRXK1DT3Cv 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List-ID: List-Subscribe: List-Unsubscribe: Makes 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 3473b663176f..ebeb4678859f 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -7,6 +7,7 @@ #include #include #include +#include #include #include @@ -303,6 +304,7 @@ 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);\ @@ -318,6 +320,7 @@ 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; \ })