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ast@kernel.org, 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 Subject: [PATCH v17 13/47] dept: apply sdt_might_sleep_{start,end}() to wait_for_completion()/complete() Date: Thu, 2 Oct 2025 17:12:13 +0900 Message-Id: <20251002081247.51255-14-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20251002081247.51255-1-byungchul@sk.com> References: <20251002081247.51255-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzXSa0hTYRgH8N5z3nM2h7PTijppYawkk5wWFg+UERF0oAIrpKgPOvLQVt7Y zLILrXBd1EStZWqZZshIo3FsVLPC1sWcl6aWzvJa5KVykuWWadZm+e3H/3n483x4xKQsm/IX qxNTeE2iMl5OS7Bk2Lc01C+iWxVeYJZD2+kaDOeFAgr0D/9guNKcR8J30xQNwz3VFOQb7AgG TecQ3HvZjeBTjpmEN2MjNNQZMmlwmmi4cl3A0PxlkoAKYTv0lPdjyB+iwXCnmoCGsk4MRY2t FHwwFoqgp/YsBfd1vSIQOl4g+PGmj4DzljEMBcWdNLRartHQXfmHAl2RmwJ7TT0FLRV2DK8t dyjo63VQcMnZj8D4LZ8CU7qnb/SWC8O5wWoaBgqvE/Bs7CsBtl82AvRZ4yIwv3CLYOKnp/Sn 6SMFzpwf1MZwzq3Pxpy+5TfNVRZXIu7Z1xGSs91kuYeFXSKuRDjMVRlDuLJHQwQn3L5Ac8Jo nohzNjWJuFKdgeSK63ZwPZm1BPd+6iMZFbBXsj6Oj1en8pqwDbES1YQ1g0h+POfo4Fs70qEq vwzkI2aZCNZc6qBnLHRUkl7TzHLW4Rif9jxmCVt1sZ/ymmTqF7FtzSu9nsuo2OzLudhrzASx A5ZXIq+lzFq2fCIL/+sMZCtMNdM9Pp68ta9+Opcxa1j9SDqRgSSenQoftt1Y9v+IhexTowPn 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Signed-off-by: Byungchul Park --- include/linux/completion.h | 30 +++++++++++++++++++++++++----- 1 file changed, 25 insertions(+), 5 deletions(-) diff --git a/include/linux/completion.h b/include/linux/completion.h index fb2915676574..bd2c207481d6 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h @@ -10,6 +10,7 @@ */ =20 #include +#include =20 /* * struct completion - structure used to maintain state for a "completion" @@ -26,14 +27,33 @@ struct completion { unsigned int done; struct swait_queue_head wait; + struct dept_map dmap; }; =20 +#define init_completion(x) \ +do { \ + sdt_map_init(&(x)->dmap); \ + __init_completion(x); \ +} while (0) + +/* + * XXX: No use cases for now. Fill the body when needed. + */ #define init_completion_map(x, m) init_completion(x) -static inline void complete_acquire(struct completion *x) {} -static inline void complete_release(struct completion *x) {} + +static inline void complete_acquire(struct completion *x) +{ + sdt_might_sleep_start(&x->dmap); +} + +static inline void complete_release(struct completion *x) +{ + sdt_might_sleep_end(); +} =20 #define COMPLETION_INITIALIZER(work) \ - { 0, __SWAIT_QUEUE_HEAD_INITIALIZER((work).wait) } + { 0, __SWAIT_QUEUE_HEAD_INITIALIZER((work).wait), \ + .dmap =3D DEPT_MAP_INITIALIZER(work, NULL), } =20 #define COMPLETION_INITIALIZER_ONSTACK_MAP(work, map) \ (*({ init_completion_map(&(work), &(map)); &(work); })) @@ -75,13 +95,13 @@ static inline void complete_release(struct completion *= x) {} #endif =20 /** - * init_completion - Initialize a dynamically allocated completion + * __init_completion - Initialize a dynamically allocated completion * @x: pointer to completion structure that is to be initialized * * This inline function will initialize a dynamically created completion * structure. */ -static inline void init_completion(struct completion *x) +static inline void __init_completion(struct completion *x) { x->done =3D 0; init_swait_queue_head(&x->wait); --=20 2.17.1