From patchwork Mon Jul 23 10:16:37 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bharat Bhushan X-Patchwork-Id: 172620 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id D659D2C04B3 for ; Mon, 23 Jul 2012 20:15:36 +1000 (EST) Received: from db3outboundpool.messaging.microsoft.com (db3ehsobe002.messaging.microsoft.com [213.199.154.140]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 453C32C0330 for ; Mon, 23 Jul 2012 20:15:11 +1000 (EST) Received: from mail31-db3-R.bigfish.com (10.3.81.233) by DB3EHSOBE003.bigfish.com (10.3.84.23) with Microsoft SMTP Server id 14.1.225.23; Mon, 23 Jul 2012 10:15:04 +0000 Received: from mail31-db3 (localhost [127.0.0.1]) by mail31-db3-R.bigfish.com (Postfix) with ESMTP id 023E924022A; Mon, 23 Jul 2012 10:15:04 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 3 X-BigFish: VS3(zzzz1202h1082kzz8275bhz2dh2a8h668h839he5bhf0ah) Received: from mail31-db3 (localhost.localdomain [127.0.0.1]) by mail31-db3 (MessageSwitch) id 1343038501402302_15883; Mon, 23 Jul 2012 10:15:01 +0000 (UTC) Received: from DB3EHSMHS005.bigfish.com (unknown [10.3.81.247]) by mail31-db3.bigfish.com (Postfix) with ESMTP id 5FD89160044; Mon, 23 Jul 2012 10:15:01 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by DB3EHSMHS005.bigfish.com (10.3.87.105) with Microsoft SMTP Server (TLS) id 14.1.225.23; Mon, 23 Jul 2012 10:15:01 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-003.039d.mgd.msft.net (10.84.1.16) with Microsoft SMTP Server (TLS) id 14.2.298.5; Mon, 23 Jul 2012 05:15:00 -0500 Received: from freescale.com ([10.232.15.72]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with SMTP id q6NAEsEm015753; Mon, 23 Jul 2012 03:14:56 -0700 Received: by freescale.com (sSMTP sendmail emulation); Mon, 23 Jul 2012 15:46:37 +0530 From: Bharat Bhushan To: , , , Subject: [PATCH] using get/put_user64 apis on 64bit machine Date: Mon, 23 Jul 2012 15:46:37 +0530 Message-ID: <1343038597-23859-1-git-send-email-Bharat.Bhushan@freescale.com> X-Mailer: git-send-email 1.7.0.4 MIME-Version: 1.0 X-OriginatorOrg: freescale.com Cc: Bharat Bhushan X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" On powerpc64 machine get/put_user64() is same as get/put_user() while on powerpc32 machine get_user64 is different. With this patch we can use get_user64() and put_user64() on 32 and 64 bit machines. Signed-off-by: Bharat Bhushan --- arch/powerpc/include/asm/uaccess.h | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 17bb40c..01743aa 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -114,10 +114,17 @@ struct exception_table_entry { #define __put_user(x, ptr) \ __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) +/* + * On powerpc64 machine get/put_user64() is same as get/put_user() while + * on powerpc32 machine get_user64 is different. + */ #ifndef __powerpc64__ #define __get_user64(x, ptr) \ __get_user64_nocheck((x), (ptr), sizeof(*(ptr))) #define __put_user64(x, ptr) __put_user(x, ptr) +#else +#define __get_user64(x, ptr) __get_user(x, ptr) +#define __put_user64(x, ptr) __put_user(x, ptr) #endif #define __get_user_inatomic(x, ptr) \