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_PASS,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 392CBC43381 for ; Mon, 11 Mar 2019 22:48:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 11C942087C for ; Mon, 11 Mar 2019 22:48:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726604AbfCKWsN (ORCPT ); Mon, 11 Mar 2019 18:48:13 -0400 Received: from foss.arm.com ([217.140.101.70]:33900 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726556AbfCKWsK (ORCPT ); Mon, 11 Mar 2019 18:48:10 -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 2A3151993; Mon, 11 Mar 2019 15:48:10 -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 116413F59C; Mon, 11 Mar 2019 15:48:08 -0700 (PDT) From: Valentin Schneider To: linux-kernel@vger.kernel.org Cc: Mark Salter , Aurelien Jacquiot , linux-c6x-dev@linux-c6x.org Subject: [PATCH 02/14] c6x: entry: Remove unneeded need_resched() loop Date: Mon, 11 Mar 2019 22:47:40 +0000 Message-Id: <20190311224752.8337-3-valentin.schneider@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190311224752.8337-1-valentin.schneider@arm.com> References: <20190311224752.8337-1-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: Mark Salter Cc: Aurelien Jacquiot Cc: linux-c6x-dev@linux-c6x.org --- arch/c6x/kernel/entry.S | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/c6x/kernel/entry.S b/arch/c6x/kernel/entry.S index 2721c90b0121..17926e942edb 100644 --- a/arch/c6x/kernel/entry.S +++ b/arch/c6x/kernel/entry.S @@ -567,7 +567,6 @@ resume_kernel: NOP 4 [A1] BNOP .S2 restore_all,5 -preempt_schedule: GET_THREAD_INFO A2 LDW .D1T1 *+A2(THREAD_INFO_FLAGS),A1 #ifdef CONFIG_C6X_BIG_KERNEL @@ -584,7 +583,7 @@ preempt_schedule: #else B .S2 preempt_schedule_irq #endif - ADDKPC .S2 preempt_schedule,B3,4 + ADDKPC .S2 restore_all,B3,4 #endif /* CONFIG_PREEMPT */ ENTRY(enable_exception) -- 2.20.1