From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759530AbaHHWHP (ORCPT ); Fri, 8 Aug 2014 18:07:15 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:60429 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932555AbaHHVgL (ORCPT ); Fri, 8 Aug 2014 17:36:11 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "David S. Miller" Subject: [PATCH 3.10 18/24] sparc64: Add membar to Niagara2 memcpy code. Date: Fri, 8 Aug 2014 14:35:11 -0700 Message-Id: <20140808213336.174664835@linuxfoundation.org> X-Mailer: git-send-email 2.0.4 In-Reply-To: <20140808213335.421758947@linuxfoundation.org> References: <20140808213335.421758947@linuxfoundation.org> User-Agent: quilt/0.63-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: "David S. Miller" [ Upstream commit 5aa4ecfd0ddb1e6dcd1c886e6c49677550f581aa ] This is the prevent previous stores from overlapping the block stores done by the memcpy loop. Based upon a glibc patch by Jose E. Marchesi Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- arch/sparc/lib/NG2memcpy.S | 1 + 1 file changed, 1 insertion(+) --- a/arch/sparc/lib/NG2memcpy.S +++ b/arch/sparc/lib/NG2memcpy.S @@ -236,6 +236,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ VISEntryHalf + membar #Sync alignaddr %o1, %g0, %g0 add %o1, (64 - 1), %o4