From nobody Fri May 3 01:08:03 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1600483957; cv=none; d=zohomail.com; s=zohoarc; b=FCDKbR9TLRVIU31jOoOTBFb2r7vyJ/7ijxPQRSsc3tLYQrk11YPPN3nYwM3jmu8ZsgcuBxX+GENgeUYkwnJZGqdbCJIGmGglDWxPpBFH0I6bMONds0EivnDyGfiVjqapL5wtosQaLASCFlGLgomK8NZqZspGxudO80+nl7U7+E0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1600483957; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=LibXQ/Q78Y8Mybx+PMP+r0sjh4fIwQzeScpfDhjDLhQ=; b=TvVrXlIj2VA0iuvpC2AuFyv9pGLW2adzut/iku0GbFPzVv3Fc+y1xUSuFwoWoLqhYVMlSNW7WX0YFKcKaOxhvUR6hp8b/2p7qXi8Xb9/TPpJRSXirHItECTFGljB8moINbyk4IGF68P8nEoY7Zn+k+8AFfZgcsLDVjpfLxwCx+4= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1600483957565833.3762805690562; Fri, 18 Sep 2020 19:52:37 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kJSyj-0007HA-Qo; Sat, 19 Sep 2020 02:51:57 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kJSyi-0007H5-PF for xen-devel@lists.xenproject.org; Sat, 19 Sep 2020 02:51:56 +0000 Received: from huawei.com (unknown [45.249.212.35]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 05b2b31b-3dcc-45a4-9873-8f9232875c57; Sat, 19 Sep 2020 02:51:51 +0000 (UTC) Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 47D864FA4E1449EC3C6F; Sat, 19 Sep 2020 10:51:47 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Sat, 19 Sep 2020 10:51:37 +0800 X-Inumbo-ID: 05b2b31b-3dcc-45a4-9873-8f9232875c57 From: Qinglang Miao To: Boris Ostrovsky , Juergen Gross , Stefano Stabellini , "Thomas Gleixner" , Ingo Molnar , "Borislav Petkov" , , "H. Peter Anvin" CC: , , "Qinglang Miao" Subject: [PATCH -next v2] x86/xen: Convert to DEFINE_SHOW_ATTRIBUTE Date: Sat, 19 Sep 2020 10:52:09 +0800 Message-ID: <20200919025209.17930-1-miaoqinglang@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Content-Type: text/plain; charset="utf-8" Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code. Signed-off-by: Qinglang Miao --- v2: based on linux-next(20200917), and can be applied to mainline cleanly now. arch/x86/xen/p2m.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index be4151f42..3301875dd 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -795,17 +795,7 @@ static int p2m_dump_show(struct seq_file *m, void *v) return 0; } =20 -static int p2m_dump_open(struct inode *inode, struct file *filp) -{ - return single_open(filp, p2m_dump_show, NULL); -} - -static const struct file_operations p2m_dump_fops =3D { - .open =3D p2m_dump_open, - .read =3D seq_read, - .llseek =3D seq_lseek, - .release =3D single_release, -}; +DEFINE_SHOW_ATTRIBUTE(p2m_dump); =20 static struct dentry *d_mmu_debug; =20 --=20 2.23.0