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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 17/47] dept: apply sdt_might_sleep_{start,end}() to dma fence Date: Thu, 2 Oct 2025 17:12:17 +0900 Message-Id: <20251002081247.51255-18-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: H4sIAAAAAAAAAzWSe0hTcRzF+93XHjS9TclbVtZMFmX20vgSFVFUNyhKogJLc+WlDXXaNNNe bORbg2XpQHtsabZSUKeB5USzHCzRNq01Y1paLqMsNLWHj5pG/32+53vO+evwcfEVciFfoUzm VEpZnIQSEsKhuYbV3qG98rUW9SJwaJoJeDuWjWCqwMKDyjoNBp+fjiDQfdIQ8K08H0Gxu4QH Q28bSJhof4GDrtCGwNDXg8NgdRaCOksvAmthHgVFN00EtGnvYJ4sBSW6QQxK2rtI6DcW88BS 8ZEH1l4HCabuVgTZj8cIaHyzCgyZZQTYmttIsBbfJ8CpHUCgeVJKgHFYR4L7VSYGFv18qE73 dGR+nybh7uhXHLIGGyhoL+kgIbOsBoOX3Q0IrnXqKXAU3Kagwk5A9rNxHB62/uBB9fA9CiZ+ 3qC2rWUzOqcotvJWJWInfhcgdvTuZZzN0HrOxnE9wT6/w7CPint4rN50hq01rmRLzZ8w1vQg h2Jzh15irMthpliDuhBnb1nDDzARws0xXJwihVOt2RotlNfY1HjiDVGq2dZBqtGkMBcJ+Awd yvSaXcR/vmqoomaYoqWM0/kLn2FfeilTe8VNzjBOty1iHPbgGfahw5k/Y6OzWYIOYt5VaWb9 Inoj0+fWoX+dAUxFdfOsLvDoXX1ts34xHcZkfEvHcpHQ49EJmM6BKfJfYAHzxOgktEikR3Me 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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 3f78c56b58dc..787fa10a49f1 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 @@ -800,6 +801,7 @@ 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); @@ -813,6 +815,7 @@ 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); @@ -902,6 +905,7 @@ 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); @@ -916,6 +920,7 @@ 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