From patchwork Thu Dec 8 02:58:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 31125 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp529494wrr; Wed, 7 Dec 2022 19:00:26 -0800 (PST) X-Google-Smtp-Source: AA0mqf5cceGH6Jjhg8V1l96Xvb3pHjb9JtI0qmkzgc93Cd7j4MyCxgWcASz1s09kJXD4PsErxk+t X-Received: by 2002:a17:906:3711:b0:7c1:d4b:7541 with SMTP id d17-20020a170906371100b007c10d4b7541mr6957353ejc.614.1670468425983; Wed, 07 Dec 2022 19:00:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1670468425; cv=none; d=google.com; s=arc-20160816; b=MQFt8sQfUqo7PxnSIiCRGAWNXf2U/3EMhi1ar3ODveFB9UH9QqyjVNzxR+oTgXTMg+ HqvpXAbUElBjY2ncOsAGcCWFbDa6FIJeHCy6U6jLMgLszYqC8BctHSaMYz5GawxpqwhQ 6phMEKbGqSm9tYPAcg0Szx9oWL0oG7RdCXtvOeEN5l5yaUEau+OTjnsZFpReggSfGtcI l6nVR+AmZEOWJCAoTMJEOJ3iAecb7bdHVtMk/glQYzl4+UHsP1vnFej/DXlCBqUY4SpG l4FK+VcgR8ha8om9msF3ZGnnDNBu9pmVwnhug5QtojJgsQ3nR6Avw9fBkgqUi5KfI1NE qMHA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=CJFk8IKS9lPKM7jEGm1hd6Fsy+F0alSmfRSAoPhF3IM=; b=NPXdIiyA7XpFnTXBfuhqqmjFyyXiUskOp+ceX7rr6sBlLZiT88Bg1t6dEJoNStYdt6 fvnzygrSTosvcOgK8Aae6LEjVwjPWFJ6PIAw6JoJ1vryGYWsyGM2/iDf47CxxGEnT/OZ IRveHz9fbVGfBSrCCbXIfFJQtrFw79HmIcA/vKL4ZwBwu2ZX3oPiO7xNeAQJexZf7sE0 nZN9QcdAfcSJz66l7T2EaN5a6dKvek/3ydADclfNzabX/y6OYKsLnOXyojT0vngpQxnZ 3G3TPD7vS6NKk1N4Fr+fBYnKz7B8wP/UTjbSW3lcxHyve/QaVJljFUNctIkXKeQGcyg2 7MGw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=WtpQyaZr; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id qk18-20020a1709077f9200b007ae87dde2c7si19725846ejc.830.2022.12.07.19.00.03; Wed, 07 Dec 2022 19:00:25 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=WtpQyaZr; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229550AbiLHC7J (ORCPT + 99 others); Wed, 7 Dec 2022 21:59:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229821AbiLHC65 (ORCPT ); Wed, 7 Dec 2022 21:58:57 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 092E8950C8; Wed, 7 Dec 2022 18:58:55 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 95B72B821FF; Thu, 8 Dec 2022 02:58:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11F3DC433D6; Thu, 8 Dec 2022 02:58:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1670468332; bh=fcNRUbmbqoevqmCMcSREDYQEKvN34Jrs3zIaqY83b2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WtpQyaZrIX7BpMrkVOUXb/dLH5wHwvILNQj0ZNeWEX0WewbK+GV5442bXm4HSlPVp j+O8Y1A8H+fZoo33jkGT2r00z28ARK2VLMsoxFG0y/yzotwqtNDkb+DCvParqVcdlk IbNcT7yi/xMmgX53+iM28lxkHBJC+BQAWQNdE51zozEG1Dqp2Mj7h+gQkYgMC0OWWD m6+OqvYmeryTZGst96He3ibVPNOe65KfsEpmV10hABtqDFYMIY0KuAqNFbwy/srBC9 CM5by982YMKshTMtpVvAOCYZi2mVVj8S6oJuOhRQP1zhJDlLkBcaa9UgjoLKDy0sfS 7TKOsxhAbiXHA== From: guoren@kernel.org To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com, tglx@linutronix.de, peterz@infradead.org, luto@kernel.org, conor.dooley@microchip.com, heiko@sntech.de, jszhang@kernel.org, lazyparser@gmail.com, falcon@tinylab.org, chenhuacai@kernel.org, apatel@ventanamicro.com, atishp@atishpatra.org, palmer@dabbelt.com, paul.walmsley@sifive.com, mark.rutland@arm.com, zouyipeng@huawei.com, bigeasy@linutronix.de, David.Laight@aculab.com, chenzhongjin@huawei.com, greentime.hu@sifive.com, andy.chiu@sifive.com, ben@decadent.org.uk, bjorn@kernel.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Guo Ren , Oleg Nesterov Subject: [PATCH -next V10 02/10] riscv: ptrace: Remove duplicate operation Date: Wed, 7 Dec 2022 21:58:08 -0500 Message-Id: <20221208025816.138712-3-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20221208025816.138712-1-guoren@kernel.org> References: <20221208025816.138712-1-guoren@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1751613100119415462?= X-GMAIL-MSGID: =?utf-8?q?1751613100119415462?= From: Guo Ren The TIF_SYSCALL_TRACE is controlled by a common code, see kernel/ptrace.c and include/linux/thread_info.h clear_task_syscall_work(child, SYSCALL_TRACE); Signed-off-by: Guo Ren Signed-off-by: Guo Ren Reviewed-by: Oleg Nesterov --- arch/riscv/kernel/ptrace.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c index 2ae8280ae475..44f4b1ca315d 100644 --- a/arch/riscv/kernel/ptrace.c +++ b/arch/riscv/kernel/ptrace.c @@ -212,7 +212,6 @@ unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n) void ptrace_disable(struct task_struct *child) { - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); } long arch_ptrace(struct task_struct *child, long request,