From nobody Tue May 7 11:31:14 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1571990727; cv=none; d=zoho.com; s=zohoarc; b=eEwAJHulUPMa37iBFo4HMOuVvYMpnTPJSYOk+G4HzKN/OivLXsOyNai7ciR32FWcxWJE7cl/Cz2ECpONF6hTmZAI3eQrjB/DiZoKkcJNDA0JTF2RZ6+kK7zeBAaIiqoulBpi2uwT7rzHDoWskapOkuif5OomWQBwJe6iOTYAKH0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1571990727; 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=6aXogxxp1cZA9OYmeVk6aqhyukAedcuA8wl0aF1cljA=; b=AwrGzV0tWN8/EyRla0Xt/Ej/O0Z3BBdqO21V3Kv1rDtswJQO2ccpu88gqTIM0TYkYKxLWa0l+FEydCFIITQMFy37wrI3LTrS2sKvMMUGQlxYXZDum1atE0uzwIB5002zIIflJZbS4iNYfQwrs/Ufkf7ADw49DdVDrKT9XZLLpkI= ARC-Authentication-Results: i=1; mx.zoho.com; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) 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 1571990727759708.920476303214; Fri, 25 Oct 2019 01:05:27 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iNuZx-000298-FK; Fri, 25 Oct 2019 08:04:13 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iNuZw-000293-5J for xen-devel@lists.xenproject.org; Fri, 25 Oct 2019 08:04:12 +0000 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 03fba61a-f6fe-11e9-94b9-12813bfff9fa; Fri, 25 Oct 2019 08:04:06 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7E26BB92D; Fri, 25 Oct 2019 08:04:05 +0000 (UTC) X-Inumbo-ID: 03fba61a-f6fe-11e9-94b9-12813bfff9fa X-Virus-Scanned: by amavisd-new at test-mx.suse.de From: Juergen Gross To: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org Date: Fri, 25 Oct 2019 09:38:58 +0200 Message-Id: <20191025073858.15081-1-jgross@suse.com> X-Mailer: git-send-email 2.16.4 Subject: [Xen-devel] [PATCH] xen: issue deprecation warning for 32-bit pv guest X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Stefano Stabellini , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Boris Ostrovsky , Thomas Gleixner MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Support for the kernel as Xen 32-bit PV guest will soon be removed. Issue a warning when booted as such. Signed-off-by: Juergen Gross Reviewed-by: Boris Ostrovsky --- arch/x86/xen/enlighten_pv.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 58f79ab32358..5bfea374a160 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -117,6 +117,14 @@ static void __init xen_banner(void) printk(KERN_INFO "Xen version: %d.%d%s%s\n", version >> 16, version & 0xffff, extra.extraversion, xen_feature(XENFEAT_mmu_pt_update_preserve_ad) ? " (preserve-AD)" = : ""); + +#ifdef CONFIG_X86_32 + pr_warn("WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!\n" + "Support for running as 32-bit PV-guest under Xen will soon be removed\n" + "from the Linux kernel!\n" + "Please use either a 64-bit kernel or switch to HVM or PVH mode!\n" + "WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!\n"); +#endif } =20 static void __init xen_pv_init_platform(void) --=20 2.16.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel