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=-8.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 E79B0C4BA0A for ; Wed, 26 Feb 2020 08:15:06 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BBF4320714 for ; Wed, 26 Feb 2020 08:15:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DbxB/3sj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BBF4320714 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 5F70410FC3609; Wed, 26 Feb 2020 00:15:58 -0800 (PST) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=207.211.31.120; helo=us-smtp-1.mimecast.com; envelope-from=bhe@redhat.com; receiver= Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 5D27310FC3178 for ; Wed, 26 Feb 2020 00:15:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582704903; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=WFgUQiNzkzgN6VquyalFIhDC0rlucVistzhUDzvUUjA=; b=DbxB/3sjn4Rvd3170wmfuDI+RTZZvUntYq8rde9EXgGFGzg9IAOyCZogmVfCMSreu0nsND 4P0PaidF2Nlv1rmhVoS0IbokhAdl/SFZlhi7AiX6mFDD4IGPxE6qBInno+FiQ7ZAjrbsqK pfxzFETNXhjO+CDqJkiEFw7i3L3ac7g= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-87-OOn8uuyqPlm_O9Mx6ZgGOw-1; Wed, 26 Feb 2020 03:14:58 -0500 X-MC-Unique: OOn8uuyqPlm_O9Mx6ZgGOw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 492B51882CD2; Wed, 26 Feb 2020 08:14:53 +0000 (UTC) Received: from localhost (ovpn-12-39.pek2.redhat.com [10.72.12.39]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5A2FF90514; Wed, 26 Feb 2020 08:14:50 +0000 (UTC) Date: Wed, 26 Feb 2020 16:14:47 +0800 From: Baoquan He To: Alastair D'Silva Subject: Re: [PATCH v3 04/27] ocxl: Remove unnecessary externs Message-ID: <20200226081447.GH4937@MiWiFi-R3L-srv> References: <20200221032720.33893-1-alastair@au1.ibm.com> <20200221032720.33893-5-alastair@au1.ibm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200221032720.33893-5-alastair@au1.ibm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Message-ID-Hash: FKKGJECG3ZG6OCIUPMCME2THJ3XSSO6T X-Message-ID-Hash: FKKGJECG3ZG6OCIUPMCME2THJ3XSSO6T X-MailFrom: bhe@redhat.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: alastair@d-silva.org, "Aneesh Kumar K . V" , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Frederic Barrat , Andrew Donnellan , Arnd Bergmann , Greg Kroah-Hartman , Andrew Morton , Mauro Carvalho Chehab , "David S. Miller" , Rob Herring , Anton Blanchard , Krzysztof Kozlowski , Mahesh Salgaonkar , Madhavan Srinivasan , =?iso-8859-1?Q?C=E9dric?= Le Goater , Anju T Sudhakar , Hari Bathini , Thomas Gleixner , Greg Kurz , Nicholas Piggin , Masahiro Yamada , Alexey Kardash evskiy , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 02/21/20 at 02:26pm, Alastair D'Silva wrote: > From: Alastair D'Silva > > Function declarations don't need externs, remove the existing ones > so they are consistent with newer code > > Signed-off-by: Alastair D'Silva > --- > arch/powerpc/include/asm/pnv-ocxl.h | 32 ++++++++++++++--------------- > include/misc/ocxl.h | 6 +++--- > 2 files changed, 18 insertions(+), 20 deletions(-) > > diff --git a/arch/powerpc/include/asm/pnv-ocxl.h b/arch/powerpc/include/asm/pnv-ocxl.h > index 0b2a6707e555..b23c99bc0c84 100644 > --- a/arch/powerpc/include/asm/pnv-ocxl.h > +++ b/arch/powerpc/include/asm/pnv-ocxl.h > @@ -9,29 +9,27 @@ > #define PNV_OCXL_TL_BITS_PER_RATE 4 > #define PNV_OCXL_TL_RATE_BUF_SIZE ((PNV_OCXL_TL_MAX_TEMPLATE+1) * PNV_OCXL_TL_BITS_PER_RATE / 8) > > -extern int pnv_ocxl_get_actag(struct pci_dev *dev, u16 *base, u16 *enabled, > - u16 *supported); It works w or w/o extern when declare functions. Searching 'extern' under include can find so many functions with 'extern' adding. Do we have a explicit standard if we should add or remove 'exter' in function declaration? I have no objection to this patch, just want to make clear so that I can handle it w/o confusion. Thanks Baoquan _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org 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=-8.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 1BA2DC4BA0A for ; Wed, 26 Feb 2020 08:17:21 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C200220714 for ; Wed, 26 Feb 2020 08:17:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DbxB/3sj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C200220714 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48S7vL4JldzDqkR for ; Wed, 26 Feb 2020 19:17:18 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=redhat.com (client-ip=207.211.31.120; helo=us-smtp-1.mimecast.com; envelope-from=bhe@redhat.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=DbxB/3sj; dkim-atps=neutral Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48S7rq60mSzDqd2 for ; Wed, 26 Feb 2020 19:15:05 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582704903; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=WFgUQiNzkzgN6VquyalFIhDC0rlucVistzhUDzvUUjA=; b=DbxB/3sjn4Rvd3170wmfuDI+RTZZvUntYq8rde9EXgGFGzg9IAOyCZogmVfCMSreu0nsND 4P0PaidF2Nlv1rmhVoS0IbokhAdl/SFZlhi7AiX6mFDD4IGPxE6qBInno+FiQ7ZAjrbsqK pfxzFETNXhjO+CDqJkiEFw7i3L3ac7g= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-87-OOn8uuyqPlm_O9Mx6ZgGOw-1; Wed, 26 Feb 2020 03:14:58 -0500 X-MC-Unique: OOn8uuyqPlm_O9Mx6ZgGOw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 492B51882CD2; Wed, 26 Feb 2020 08:14:53 +0000 (UTC) Received: from localhost (ovpn-12-39.pek2.redhat.com [10.72.12.39]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5A2FF90514; Wed, 26 Feb 2020 08:14:50 +0000 (UTC) Date: Wed, 26 Feb 2020 16:14:47 +0800 From: Baoquan He To: Alastair D'Silva Subject: Re: [PATCH v3 04/27] ocxl: Remove unnecessary externs Message-ID: <20200226081447.GH4937@MiWiFi-R3L-srv> References: <20200221032720.33893-1-alastair@au1.ibm.com> <20200221032720.33893-5-alastair@au1.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200221032720.33893-5-alastair@au1.ibm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Madhavan Srinivasan , Alexey Kardashevskiy , Mahesh Salgaonkar , Masahiro Yamada , Oliver O'Halloran , Mauro Carvalho Chehab , Ira Weiny , Thomas Gleixner , Rob Herring , Dave Jiang , linux-nvdimm@lists.01.org, "Aneesh Kumar K . V" , Krzysztof Kozlowski , Anju T Sudhakar , alastair@d-silva.org, Andrew Donnellan , Arnd Bergmann , Greg Kurz , Nicholas Piggin , =?iso-8859-1?Q?C=E9dric?= Le Goater , Dan Williams , Hari Bathini , linux-mm@kvack.org, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Vishal Verma , Frederic Barrat , Paul Mackerras , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 02/21/20 at 02:26pm, Alastair D'Silva wrote: > From: Alastair D'Silva > > Function declarations don't need externs, remove the existing ones > so they are consistent with newer code > > Signed-off-by: Alastair D'Silva > --- > arch/powerpc/include/asm/pnv-ocxl.h | 32 ++++++++++++++--------------- > include/misc/ocxl.h | 6 +++--- > 2 files changed, 18 insertions(+), 20 deletions(-) > > diff --git a/arch/powerpc/include/asm/pnv-ocxl.h b/arch/powerpc/include/asm/pnv-ocxl.h > index 0b2a6707e555..b23c99bc0c84 100644 > --- a/arch/powerpc/include/asm/pnv-ocxl.h > +++ b/arch/powerpc/include/asm/pnv-ocxl.h > @@ -9,29 +9,27 @@ > #define PNV_OCXL_TL_BITS_PER_RATE 4 > #define PNV_OCXL_TL_RATE_BUF_SIZE ((PNV_OCXL_TL_MAX_TEMPLATE+1) * PNV_OCXL_TL_BITS_PER_RATE / 8) > > -extern int pnv_ocxl_get_actag(struct pci_dev *dev, u16 *base, u16 *enabled, > - u16 *supported); It works w or w/o extern when declare functions. Searching 'extern' under include can find so many functions with 'extern' adding. Do we have a explicit standard if we should add or remove 'exter' in function declaration? I have no objection to this patch, just want to make clear so that I can handle it w/o confusion. Thanks Baoquan 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=-8.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 EE0E3C4BA0A for ; Wed, 26 Feb 2020 08:15:04 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AD36320714 for ; Wed, 26 Feb 2020 08:15:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OhHkl+Qj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AD36320714 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4585A6B0006; Wed, 26 Feb 2020 03:15:04 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 42FAC6B0007; Wed, 26 Feb 2020 03:15:04 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3454D6B0008; Wed, 26 Feb 2020 03:15:04 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0078.hostedemail.com [216.40.44.78]) by kanga.kvack.org (Postfix) with ESMTP id 19F916B0006 for ; Wed, 26 Feb 2020 03:15:04 -0500 (EST) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id E58B3180AD815 for ; Wed, 26 Feb 2020 08:15:03 +0000 (UTC) X-FDA: 76531567686.23.cable26_83804da107912 X-HE-Tag: cable26_83804da107912 X-Filterd-Recvd-Size: 4724 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by imf36.hostedemail.com (Postfix) with ESMTP for ; Wed, 26 Feb 2020 08:15:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582704902; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=WFgUQiNzkzgN6VquyalFIhDC0rlucVistzhUDzvUUjA=; b=OhHkl+Qjrrdu9B+dzQGlvFHCpxFb/xr34d+cN7ZiOjLS0t+8YFLbJfUvXzTPxUDhNeXz/j J3au3XU/vuk0hIbf0JwlEnlzD32U6+v3PYCvN/NAz7Jz6ZPvt5yD61clL4onKyYx4PZq61 Ythu4Jwp4uuN3KmuxEUKbajVSWfKxQc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-87-OOn8uuyqPlm_O9Mx6ZgGOw-1; Wed, 26 Feb 2020 03:14:58 -0500 X-MC-Unique: OOn8uuyqPlm_O9Mx6ZgGOw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 492B51882CD2; Wed, 26 Feb 2020 08:14:53 +0000 (UTC) Received: from localhost (ovpn-12-39.pek2.redhat.com [10.72.12.39]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5A2FF90514; Wed, 26 Feb 2020 08:14:50 +0000 (UTC) Date: Wed, 26 Feb 2020 16:14:47 +0800 From: Baoquan He To: Alastair D'Silva Cc: alastair@d-silva.org, "Aneesh Kumar K . V" , Oliver O'Halloran , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Frederic Barrat , Andrew Donnellan , Arnd Bergmann , Greg Kroah-Hartman , Dan Williams , Vishal Verma , Dave Jiang , Ira Weiny , Andrew Morton , Mauro Carvalho Chehab , "David S. Miller" , Rob Herring , Anton Blanchard , Krzysztof Kozlowski , Mahesh Salgaonkar , Madhavan Srinivasan , =?iso-8859-1?Q?C=E9dric?= Le Goater , Anju T Sudhakar , Hari Bathini , Thomas Gleixner , Greg Kurz , Nicholas Piggin , Masahiro Yamada , Alexey Kardashevskiy , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org Subject: Re: [PATCH v3 04/27] ocxl: Remove unnecessary externs Message-ID: <20200226081447.GH4937@MiWiFi-R3L-srv> References: <20200221032720.33893-1-alastair@au1.ibm.com> <20200221032720.33893-5-alastair@au1.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200221032720.33893-5-alastair@au1.ibm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 02/21/20 at 02:26pm, Alastair D'Silva wrote: > From: Alastair D'Silva > > Function declarations don't need externs, remove the existing ones > so they are consistent with newer code > > Signed-off-by: Alastair D'Silva > --- > arch/powerpc/include/asm/pnv-ocxl.h | 32 ++++++++++++++--------------- > include/misc/ocxl.h | 6 +++--- > 2 files changed, 18 insertions(+), 20 deletions(-) > > diff --git a/arch/powerpc/include/asm/pnv-ocxl.h b/arch/powerpc/include/asm/pnv-ocxl.h > index 0b2a6707e555..b23c99bc0c84 100644 > --- a/arch/powerpc/include/asm/pnv-ocxl.h > +++ b/arch/powerpc/include/asm/pnv-ocxl.h > @@ -9,29 +9,27 @@ > #define PNV_OCXL_TL_BITS_PER_RATE 4 > #define PNV_OCXL_TL_RATE_BUF_SIZE ((PNV_OCXL_TL_MAX_TEMPLATE+1) * PNV_OCXL_TL_BITS_PER_RATE / 8) > > -extern int pnv_ocxl_get_actag(struct pci_dev *dev, u16 *base, u16 *enabled, > - u16 *supported); It works w or w/o extern when declare functions. Searching 'extern' under include can find so many functions with 'extern' adding. Do we have a explicit standard if we should add or remove 'exter' in function declaration? I have no objection to this patch, just want to make clear so that I can handle it w/o confusion. Thanks Baoquan