Messages in this thread Patch in this message | | | From | Byungchul Park <> | Subject | [PATCH v10 rebased on v6.4 11/25] dept: Apply sdt_might_sleep_{start,end}() to hashed-waitqueue wait | Date | Mon, 3 Jul 2023 18:47:38 +0900 |
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Makes Dept able to track dependencies by hashed-waitqueue waits.
Signed-off-by: Byungchul Park <byungchul@sk.com> --- 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 7725b7579b78..fe89282c3e96 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 <linux/wait.h> +#include <linux/dept_sdt.h> struct wait_bit_key { void *flags; @@ -246,6 +247,7 @@ 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 (;;) { \ @@ -263,6 +265,7 @@ 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
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