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yeoreum.yun@arm.com, netdev@vger.kernel.org, matthew.brost@intel.com, her0gyugyu@gmail.com Subject: [PATCH v15 17/43] dept: apply sdt_might_sleep_{start,end}() to dma fence Date: Tue, 13 May 2025 19:07:04 +0900 Message-Id: <20250513100730.12664-18-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: H4sIAAAAAAAAAzWSa0hTcRiH+59zds5xuTitsGMG5SKFIsvQeIOMoA+diMhQKAupUx7ayC2Z ZRlFM9dN81KgonmZs9baltlmN2+Z0sosW7WWhZc0kaSpYW1lLWsz+vLy8P5+PO+Xl8alj0Xz aYXqkKBW8akyUkyIR4Orl38JXSxfWb0KPN/OEVB+00KCo9aMwFKfhcHIo43w1utG8Ov5CxxK ihwIqgd6cai39yFoNp4i4fXQLHB6xknoKMolIbvmJgkvP/sw6Cm+hIHZugX6DcMEdBbqMSgZ IeFySTbmH58wmDSYKDBolsCgsYwC30A0dPS5RND8fhmUVvaQ0NTcQYD93iAGrxvKSeiz/BFB p/0JAd78MHBczBPBjTE9CZ+9BhwMnnEKXrXqMLDrQqBO6xee+Tolgsd5rRicuXILA+e7RgQt 5z5gYLW4SGj3uDGwWYtw+HntEYLB/FEKTl+YpOByVj6C3NPFBGh7YuHXD//lim/RkFVVR8CN 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jvsVNy7ZvKtglFar/xsKOsL91XK5sxb3b/dKocR392x+z6RyG0PHRs44n20Obd9jPYLJs0I0e2OeSTyPpE1OGVwM3CxLlhs23qvIpGlP+OkVsAiqO9FH5r7jYsvcEbaIZJyGeO1qTmxkRzXs= 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: Make dept able to track dependencies by dma fence waits and signals. Signed-off-by: Byungchul Park --- drivers/dma-buf/dma-fence.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index f0cdd3e99d36..5d2fd2f6a46d 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -16,6 +16,7 @@ #include #include #include +#include #define CREATE_TRACE_POINTS #include @@ -783,6 +784,7 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout) cb.task = current; list_add(&cb.base.node, &fence->cb_list); + sdt_might_sleep_start(NULL); while (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) && ret > 0) { if (intr) __set_current_state(TASK_INTERRUPTIBLE); @@ -796,6 +798,7 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout) if (ret > 0 && intr && signal_pending(current)) ret = -ERESTARTSYS; } + sdt_might_sleep_end(); if (!list_empty(&cb.base.node)) list_del(&cb.base.node); @@ -885,6 +888,7 @@ dma_fence_wait_any_timeout(struct dma_fence **fences, uint32_t count, } } + sdt_might_sleep_start(NULL); while (ret > 0) { if (intr) set_current_state(TASK_INTERRUPTIBLE); @@ -899,6 +903,7 @@ dma_fence_wait_any_timeout(struct dma_fence **fences, uint32_t count, if (ret > 0 && intr && signal_pending(current)) ret = -ERESTARTSYS; } + sdt_might_sleep_end(); __set_current_state(TASK_RUNNING); -- 2.17.1