Message ID | 20240508094726.35754-16-byungchul@sk.com (mailing list archive) |
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State | New |
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Return-Path: <owner-linux-mm@kvack.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1858C04FFE for <linux-mm@archiver.kernel.org>; Wed, 8 May 2024 09:48:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 357076B00EB; Wed, 8 May 2024 05:47:55 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 307636B00ED; Wed, 8 May 2024 05:47:55 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 159906B00EE; Wed, 8 May 2024 05:47:55 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id EAD0E6B00EB for <linux-mm@kvack.org>; Wed, 8 May 2024 05:47:54 -0400 (EDT) Received: from smtpin29.hostedemail.com (a10.router.float.18 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her0gyugyu@gmail.com Subject: [PATCH v14 15/28] dept: Apply sdt_might_sleep_{start,end}() to dma fence wait Date: Wed, 8 May 2024 18:47:12 +0900 Message-Id: <20240508094726.35754-16-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240508094726.35754-1-byungchul@sk.com> References: <20240508094726.35754-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzXSfUzMcRwHcN/v77Gb47fT5id/4LaYkKfio8yY4TebsTF/sMVNv6ubntxd nWy20uWh1NIkKlxlp9URvzzk4exk14PIIUkqapT0xHHHVTvuNP989trn4f3XhyUUEhXEahL0 ojZBFaekZaRseGrpkoitkepl7vyFcOb0MnD9PElCSbWFBsf1KgSWW+kYBuxb4K17CMH48xcE FBY4EJT2dBFwq74bgbXiGA2vP02DVtcoDU0F2TRklFfT8HJwAkPnuXwMVdI2aM4rw2Dz9JNQ OEBDcWEG9pUvGDzmSgbMacHQW1HEwETPcmjqbqPA2rEILlzqpOGhtYmE+tpeDK/vl9DQbflD QXN9IwmOMzkUXBspo2HQbSbA7Bpl4JXNhOGG0Rd0/IeXgoYcG4bjV25iaH33AMGjkx8xSJY2 Gp64hjDUSAUEjF21I+jNHWYg87SHgeL0XATZmedIMHaGw/jvEnr9GuHJ0CghGGsMgtVtIoWn Zbxwr6iLEYyPOhjBJCULNRUhQvnDASyUOl2UIFWeogXJmc8IWcOtWBhpaWGExvPjpPCptRDv 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diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 0393a9bba3a8..d6f9b339b143 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -16,6 +16,7 @@ #include <linux/dma-fence.h> #include <linux/sched/signal.h> #include <linux/seq_file.h> +#include <linux/dept_sdt.h> #define CREATE_TRACE_POINTS #include <trace/events/dma_fence.h> @@ -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);
Makes Dept able to track dma fence waits. Signed-off-by: Byungchul Park <byungchul@sk.com> --- drivers/dma-buf/dma-fence.c | 5 +++++ 1 file changed, 5 insertions(+)