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yeoreum.yun@arm.com, netdev@vger.kernel.org, matthew.brost@intel.com, her0gyugyu@gmail.com Subject: [PATCH v15 10/43] dept: distinguish each work from another Date: Tue, 13 May 2025 19:06:57 +0900 Message-Id: <20250513100730.12664-11-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20250513100730.12664-1-byungchul@sk.com> References: <20250513100730.12664-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSa0xTdxjG9z/n9H8Olc6TejvWTbFIjExQprLXxJFFP/jng4nGgIox2MjZ WrlaoMimC53FOBwNYhDBC+WSUqEKFo3gwDHACqiIglAN4sDFrOGmnW1A8NJi/PLml+d53+f5 8nK03C5RcJqkNFGbpEpQYikjHfMvDZlYHKheO2nE4H5zgoHzNVYM3VeqEViv6Slw3t4K/Z5R BNP3H9BQWNCNoHToGQ3X7IMImiy/Yej590vodU9g6Cg4ieFYeQ2GhyMzFAycyaeg2rYNnptf MnA3r4yCQieGc4XHKO/4j4IpcxUL5qwgGLYUszAzFAYdg30SaHr6DRRdHMDQ2NTBgL1+mIKe m+cxDFo/SOCuvZ0Bj3EJdJ/KlcDl8TIMIx4zDWb3BAuPmk0U2E0LodbgDTz+/3sJ3MltpuB4 xVUKep/8ieDWiX8osFn7MLS6RymosxXQ8LbyNoJh4xgL2X9MsXBOb0RwMvsMA4aBDTA96W2+ 8CYM9CW1DFx+14d++J5YL1oRaR2doImhLoO8dT/GpMljYkhnmUAaip+xxHDrKUtMtnRSZwkm 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i9oQbPyKdXkLDZ3FkKU1dQdCnfXnVZHRzZLf1v2yPRZur4yY+4ZaqTRU3yklhg3WiVrrTvpYE1s+FIt52IXt/mGucEFBuAm6MrGoI X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Workqueue already provides concurrency control. By that, any wait in a work doesn't prevents events in other works with the control enabled. Thus, each work would better be considered a different context. So let dept assign a different context id to each work. Signed-off-by: Byungchul Park --- kernel/workqueue.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index cf6203282737..5a6ab354c416 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -55,6 +55,7 @@ #include #include #include +#include #include "workqueue_internal.h" @@ -3155,6 +3156,8 @@ __acquires(&pool->lock) lockdep_copy_map(&lockdep_map, &work->lockdep_map); #endif + dept_update_cxt(); + /* ensure we're on the correct CPU */ WARN_ON_ONCE(!(pool->flags & POOL_DISASSOCIATED) && raw_smp_processor_id() != pool->cpu); -- 2.17.1