Message ID | 1675154394-25598-17-git-send-email-max.byungchul.park@gmail.com (mailing list archive) |
---|---|
State | New |
Headers | show
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 B4CAAC63797 for <linux-mm@archiver.kernel.org>; Tue, 31 Jan 2023 08:40:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 528536B008A; Tue, 31 Jan 2023 03:40:04 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4B2506B0092; Tue, 31 Jan 2023 03:40:04 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2DDB76B0093; Tue, 31 Jan 2023 03:40:04 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 0F6F76B008A for <linux-mm@kvack.org>; Tue, 31 Jan 2023 03:40:04 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id D72B580463 for <linux-mm@kvack.org>; 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Series |
DEPT(Dependency Tracker)
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expand
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diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 406b4e2..1db4bc0 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> @@ -782,6 +783,7 @@ struct default_wait_cb { 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); @@ -795,6 +797,7 @@ struct default_wait_cb { if (ret > 0 && intr && signal_pending(current)) ret = -ERESTARTSYS; } + sdt_might_sleep_end(); if (!list_empty(&cb.base.node)) list_del(&cb.base.node); @@ -884,6 +887,7 @@ struct default_wait_cb { } } + sdt_might_sleep_start(NULL); while (ret > 0) { if (intr) set_current_state(TASK_INTERRUPTIBLE); @@ -898,6 +902,7 @@ struct default_wait_cb { 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 <max.byungchul.park@gmail.com> --- drivers/dma-buf/dma-fence.c | 5 +++++ 1 file changed, 5 insertions(+)