From patchwork Thu Apr 30 23:55:18 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tim Abbott X-Patchwork-Id: 21301 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n3UNwY2J017502 for ; Thu, 30 Apr 2009 23:58:34 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764776AbZD3Xzz (ORCPT ); Thu, 30 Apr 2009 19:55:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1764778AbZD3Xzz (ORCPT ); Thu, 30 Apr 2009 19:55:55 -0400 Received: from BISCAYNE-ONE-STATION.MIT.EDU ([18.7.7.80]:60855 "EHLO biscayne-one-station.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764793AbZD3Xzx (ORCPT ); Thu, 30 Apr 2009 19:55:53 -0400 Received: from outgoing.mit.edu (OUTGOING-AUTH.MIT.EDU [18.7.22.103]) by biscayne-one-station.mit.edu (8.13.6/8.9.2) with ESMTP id n3UNtOw4018197; Thu, 30 Apr 2009 19:55:24 -0400 (EDT) Received: from localhost (c-67-186-133-195.hsd1.ma.comcast.net [67.186.133.195]) (authenticated bits=0) (User authenticated as tabbott@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.6/8.12.4) with ESMTP id n3UNtNls011681; Thu, 30 Apr 2009 19:55:24 -0400 (EDT) From: Tim Abbott To: Sam Ravnborg Cc: Linux kernel mailing list , Anders Kaseorg , Waseem Daher , Denys Vlasenko , Jeff Arnold , Kyle McMartin , Helge Deller , linux-parisc@vger.kernel.org, Tim Abbott Subject: [PATCH 4/5] parisc: use new macro for .data.read_mostly section. Date: Thu, 30 Apr 2009 19:55:18 -0400 Message-Id: <1241135719-9286-5-git-send-email-tabbott@mit.edu> X-Mailer: git-send-email 1.6.2.1 In-Reply-To: <1241135719-9286-4-git-send-email-tabbott@mit.edu> References: <1241135719-9286-1-git-send-email-tabbott@mit.edu> <1241135719-9286-2-git-send-email-tabbott@mit.edu> <1241135719-9286-3-git-send-email-tabbott@mit.edu> <1241135719-9286-4-git-send-email-tabbott@mit.edu> X-Scanned-By: MIMEDefang 2.42 X-Spam-Flag: NO X-Spam-Score: 0.00 Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org .data.read_mostly should not need a separate output section; this change moves it into the .data section. I used alignment L1_CACHE_BYTES instead of 16 since the whole point is for read-mostly data to have different cache lines than other stuff. Signed-off-by: Tim Abbott Cc: Kyle McMartin Cc: Helge Deller Cc: linux-parisc@vger.kernel.org --- arch/parisc/kernel/vmlinux.lds.S | 8 +------- 1 files changed, 1 insertions(+), 7 deletions(-) diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index c8a528d..3176407 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -94,19 +94,13 @@ SECTIONS __stop___unwind = .; } - /* rarely changed data like cpu maps */ - . = ALIGN(16); - .data.read_mostly : { - *(.data.read_mostly) - } - - . = ALIGN(L1_CACHE_BYTES); /* Data */ .data : { /* assembler code expects init_task to be 16k aligned */ INIT_TASK_DATA(16384) NOSAVE_DATA CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) + READ_MOSTLY_DATA(L1_CACHE_BYTES) DATA_DATA CONSTRUCTORS }