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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 C8B4FC433E1 for ; Sat, 1 Aug 2020 01:14:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A4A2E20836 for ; Sat, 1 Aug 2020 01:14:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596244488; bh=1RPRroc4ZnsJOWr6FwKVLudSa+TgPmHIWtBSgU3bATE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FN7pLYQ8d7jY30IvRwxB5Pql3TMsNeDhffhsExoXBXCMNUqoKJ/k4VNwzSzSFKqEs ECLO6E8tjGPcZQjLmlyLIeBtwjxaH78HGS688wdviB1iarA+LcG6vi9VPYyBjIADSE e77eMvmG8TTU3MT8GRamxgur+8tu3I+EE7H6a8gM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728217AbgHABOr (ORCPT ); Fri, 31 Jul 2020 21:14:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:43608 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728152AbgHABOp (ORCPT ); Fri, 31 Jul 2020 21:14:45 -0400 Received: from localhost.localdomain (unknown [89.208.247.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0729A20888; Sat, 1 Aug 2020 01:14:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596244485; bh=1RPRroc4ZnsJOWr6FwKVLudSa+TgPmHIWtBSgU3bATE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z1GQn6Tm2vMVuAGzXkbU0pA3ZdIAbIe6Cp47yD5LeJuOlkvXOVAcQ0EyHM1z+uVJY xEAD7VtxgQA9DlKAftSg+cZAN9ZoaRB8yIXeSpKL+17IRdF6VNRn1TIG0CYLfFKxrW 7JnWEvmz+5T2Q+q+T5LmmP4fzc9me6JkgJJyNnso= From: guoren@kernel.org To: guoren@kernel.org, arnd@arndb.de Cc: linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-arch@vger.kernel.org, Guo Ren Subject: [PATCH 04/13] csky: Fixup duplicated restore sp in RESTORE_REGS_FTRACE Date: Sat, 1 Aug 2020 01:14:04 +0000 Message-Id: <1596244453-98575-5-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1596244453-98575-1-git-send-email-guoren@kernel.org> References: <1596244453-98575-1-git-send-email-guoren@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guo Ren There is no user return for RESTORE_REGS_FTRACE, so it's no need to save sp into ss0 as RESTORE_REGS_ALL. Signed-off-by: Guo Ren Cc: Arnd Bergmann --- arch/csky/abiv2/inc/abi/entry.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/csky/abiv2/inc/abi/entry.h b/arch/csky/abiv2/inc/abi/entry.h index 4fdd6c1..bedcc6f 100644 --- a/arch/csky/abiv2/inc/abi/entry.h +++ b/arch/csky/abiv2/inc/abi/entry.h @@ -136,8 +136,6 @@ .macro RESTORE_REGS_FTRACE ldw tls, (sp, 0) - ldw a0, (sp, 16) - mtcr a0, ss0 #ifdef CONFIG_CPU_HAS_HILO ldw a0, (sp, 140) @@ -158,7 +156,6 @@ addi sp, 40 ldm r16-r30, (sp) addi sp, 72 - mfcr sp, ss0 .endm .macro SAVE_SWITCH_STACK -- 2.7.4