From patchwork Tue Aug 30 06:53:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 12958828 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 85EAEECAAA1 for ; Tue, 30 Aug 2022 06:54:44 +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=oIo64/OBUS2Gg0Q/0c8m2f1pt91cYCKTJv0GJCvthk0=; b=Z02KfLKN0pDM2e hx00o+pbcMRn0mRwCgt6Y9KXJOdnyET7M198X+EYzzT0G1SmhQwvls4GWHjHR6zxcUtdJiaQfjkSn xm/yDKDmzW71XGzr1d4F8nyvwomDaoXhrNd12FprOcdjGIPZ/+AD6ZiQGXbwxOeOGDtaR+nGsV2M4 8TtA2qsHoBDj3vjvXohN0mgUQDtUPzh5J9uBthLzUJCq0SgY1IUuLMoKlHK67SWFb0BFAHSXDA/uM Ouok5U/2k0DptKJvQoS5EOFGwYJNhhO/K5GqUMAV/w93KlbAsMfMmO/jvzYxEGBRoCnWSkifG0GVy PjfPDLS1j+4y8YwMJeHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oSv8r-00EZc5-Ig; Tue, 30 Aug 2022 06:54:33 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oSv82-00EZCE-Ps; Tue, 30 Aug 2022 06:53:44 +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 sin.source.kernel.org (Postfix) with ESMTPS id 72D58CE12B2; Tue, 30 Aug 2022 06:53:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C028C433B5; Tue, 30 Aug 2022 06:53:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661842416; bh=ezCJz3zzII/UaKvcXNSbmcajv11zXu7NIaCF1ULUtp0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r3amRcUQDjcf2J5Fgpm3U2izv3yA9NBy7nxMxatvsZT6tZWH3Rv9dQGtrjH3iNkPE g6KyXSsfC/QLHSFUlf3IUv5+Vfh0AVJGPh5B8XP/13LvC1JxSH2AEqY4TAjFgDMhOt AS0BwAQwYQJwQ8z8KNiqh3xod+STWMH9o+hwivFoZq7RQCb10x+P565pwYgOgJl59G gjJI+WEJLyooY/K9536qNkXfUBIbivFBJ+BTi3q5eadkie5Q/E0dtzMU5gpdgyy2Z/ CftmJ3I3bk4yFCtql/IygZNvGqnuuCDfY9wzgM1PhTXU0Cx8xMIXsaEyLjA9FHpb8w WEGB8pxdmmp3Q== 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 1/3] riscv: ptrace: Remove duplicate operation Date: Tue, 30 Aug 2022 02:53:14 -0400 Message-Id: <20220830065316.3924938-2-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220830065316.3924938-1-guoren@kernel.org> References: <20220830065316.3924938-1-guoren@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220829_235343_044111_B3CCEB55 X-CRM114-Status: UNSURE ( 9.29 ) 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 --- 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,