From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6FF1C04AB6 for ; Tue, 28 May 2019 10:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2795208CB for ; Tue, 28 May 2019 10:49:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726813AbfE1Kt0 (ORCPT ); Tue, 28 May 2019 06:49:26 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:54928 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726437AbfE1KtX (ORCPT ); Tue, 28 May 2019 06:49:23 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9B865341; Tue, 28 May 2019 03:49:23 -0700 (PDT) Received: from e113632-lin.cambridge.arm.com (e113632-lin.cambridge.arm.com [10.1.194.37]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id C66943F59C; Tue, 28 May 2019 03:49:22 -0700 (PDT) From: Valentin Schneider To: linux-kernel@vger.kernel.org Cc: Guo Ren Subject: [PATCH RESEND 2/7] csky: entry: Remove unneeded need_resched() loop Date: Tue, 28 May 2019 11:48:43 +0100 Message-Id: <20190528104848.13160-3-valentin.schneider@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190528104848.13160-1-valentin.schneider@arm.com> References: <20190528104848.13160-1-valentin.schneider@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since the enabling and disabling of IRQs within preempt_schedule_irq() is contained in a need_resched() loop, we don't need the outer arch code loop. Signed-off-by: Valentin Schneider Cc: Guo Ren --- arch/csky/kernel/entry.S | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S index a7e84ccccbd8..679afbcc2001 100644 --- a/arch/csky/kernel/entry.S +++ b/arch/csky/kernel/entry.S @@ -292,11 +292,7 @@ ENTRY(csky_irq) ldw r8, (r9, TINFO_FLAGS) btsti r8, TIF_NEED_RESCHED bf 2f -1: jbsr preempt_schedule_irq /* irq en/disable is done inside */ - ldw r7, (r9, TINFO_FLAGS) /* get new tasks TI_FLAGS */ - btsti r7, TIF_NEED_RESCHED - bt 1b /* go again */ #endif 2: jmpi ret_from_exception -- 2.20.1