From nobody Thu Apr 2 13:08:32 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79243C6FA82 for ; Fri, 23 Sep 2022 09:00:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231537AbiIWJAT (ORCPT ); Fri, 23 Sep 2022 05:00:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231464AbiIWJAR (ORCPT ); Fri, 23 Sep 2022 05:00:17 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE4C3FFA70 for ; Fri, 23 Sep 2022 02:00:15 -0700 (PDT) Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4MYmJV2fhdzHpjW; Fri, 23 Sep 2022 16:58:02 +0800 (CST) Received: from cgs.huawei.com (10.244.148.83) by kwepemi500012.china.huawei.com (7.221.188.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 23 Sep 2022 17:00:13 +0800 From: Gaosheng Cui To: , , , , , , , , , , CC: Subject: [PATCH] ftrace: Remove obsoleted code from ftrace and task_struct Date: Fri, 23 Sep 2022 17:00:12 +0800 Message-ID: <20220923090012.505990-1-cuigaosheng1@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.244.148.83] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500012.china.huawei.com (7.221.188.12) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The trace of "struct task_struct" was no longer used since commit 345ddcc882d8 ("ftrace: Have set_ftrace_pid use the bitmap like events do"), and the functions about flags for current->trace is useless, so remove them. Signed-off-by: Gaosheng Cui --- include/linux/ftrace.h | 41 ----------------------------------------- include/linux/sched.h | 3 --- 2 files changed, 44 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 0b61371e287b..62557d4bffc2 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -1122,47 +1122,6 @@ static inline void unpause_graph_tracing(void) { } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ =20 #ifdef CONFIG_TRACING - -/* flags for current->trace */ -enum { - TSK_TRACE_FL_TRACE_BIT =3D 0, - TSK_TRACE_FL_GRAPH_BIT =3D 1, -}; -enum { - TSK_TRACE_FL_TRACE =3D 1 << TSK_TRACE_FL_TRACE_BIT, - TSK_TRACE_FL_GRAPH =3D 1 << TSK_TRACE_FL_GRAPH_BIT, -}; - -static inline void set_tsk_trace_trace(struct task_struct *tsk) -{ - set_bit(TSK_TRACE_FL_TRACE_BIT, &tsk->trace); -} - -static inline void clear_tsk_trace_trace(struct task_struct *tsk) -{ - clear_bit(TSK_TRACE_FL_TRACE_BIT, &tsk->trace); -} - -static inline int test_tsk_trace_trace(struct task_struct *tsk) -{ - return tsk->trace & TSK_TRACE_FL_TRACE; -} - -static inline void set_tsk_trace_graph(struct task_struct *tsk) -{ - set_bit(TSK_TRACE_FL_GRAPH_BIT, &tsk->trace); -} - -static inline void clear_tsk_trace_graph(struct task_struct *tsk) -{ - clear_bit(TSK_TRACE_FL_GRAPH_BIT, &tsk->trace); -} - -static inline int test_tsk_trace_graph(struct task_struct *tsk) -{ - return tsk->trace & TSK_TRACE_FL_GRAPH; -} - enum ftrace_dump_mode; =20 extern enum ftrace_dump_mode ftrace_dump_on_oops; diff --git a/include/linux/sched.h b/include/linux/sched.h index 5cdf746988a1..77f68f8b795c 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1402,9 +1402,6 @@ struct task_struct { #endif =20 #ifdef CONFIG_TRACING - /* State flags for use by tracers: */ - unsigned long trace; - /* Bitmask and counter of trace recursion: */ unsigned long trace_recursion; #endif /* CONFIG_TRACING */ --=20 2.25.1