From patchwork Sat Sep 3 16:23:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 12965007 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D4607C54EE9 for ; Sat, 3 Sep 2022 16:24:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Kk9CMgGG3uoKF5XXw1QN56Li+fkqrYGc32kw0Ahc84I=; b=JcAQZtijFhZZR9 NPtCOuxB3FGo7Vlmlmyvqk4Byt/grfwqLTLPx88TJuoCxkjBDqIK0NVCjerxf/+9e5U5w0SV9vK/z VtvrcEnA5Dt5K+aGY3UN/4oMFWO0Hb+6WIkTMwdHKDQ8e8Cyb3F9Ec54XdhexosYgUOMbhc7jLYsl CN8i3QH+L5U7+G+/YlmKWotj6/KFsy60JzZtFzql6tWJLUKEQMGQjVymCDO8vRVK317Vg/3DdtcGU 2qjSw9SZmpdFJ5JBCxXywNNLvGu+yv2vPD3OHobwSpCbjJmm6jjPbIJL4XsPAoHBsU8OI6un7NhcJ PoadOJNiefjTiSAjiytQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oUVwB-00DXVg-8k; Sat, 03 Sep 2022 16:24:03 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oUVvy-00DXJ8-Oy; Sat, 03 Sep 2022 16:23:52 +0000 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 31E17B80B01; Sat, 3 Sep 2022 16:23:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6DD98C4347C; Sat, 3 Sep 2022 16:23:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662222227; bh=thj4lp5B0J2/kj7Zi1BMTTtT9fAnJMteMKwuLQ0ArOk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L1+aqePh3YUl08I/8fm3yNxtjuAlMmF22bx5ehpr9WT67qVfD+H89UCSkcQb/aLVB 2NgCQIILKBmcne0lsXQ4IjY3kiwJxrtWEcVDUccBIwJj+xp2BBbv39/+Grkh4ufLkt K91rg+/bdppmXjHBKL8/+fsOwTwEh6RA27omRUzQiTPDRz8Ke7YGMSqk5VWbmO8V0g cuN032j9tv98WDWH8CRTakVr3d5ZHL/aAuIuVJy9h6CrYmFwF6TJSlC05IZMYI+l9p sn7aIfOyaWt05CVB+QByWImFn4GjzoARn6PGsB37TcCAMXurxtZTf+xyhaxTSjNZpx M7BmVLEk5oE7g== From: guoren@kernel.org To: oleg@redhat.com, vgupta@kernel.org, linux@armlinux.org.uk, monstr@monstr.eu, dinguyen@kernel.org, palmer@dabbelt.com, davem@davemloft.net, arnd@arndb.de, shorne@gmail.com, guoren@kernel.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-snps-arc@lists.infradead.org, sparclinux@vger.kernel.org, openrisc@lists.librecores.org, Guo Ren Subject: [PATCH V2 1/3] riscv: ptrace: Remove duplicate operation Date: Sat, 3 Sep 2022 12:23:25 -0400 Message-Id: <20220903162328.1952477-2-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220903162328.1952477-1-guoren@kernel.org> References: <20220903162328.1952477-1-guoren@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220903_092350_989012_86DE35F2 X-CRM114-Status: UNSURE ( 8.99 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Guo Ren The TIF_SYSCALL_TRACE is controlled by a common code, see kernel/ptrace.c and include/linux/thread.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,