From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3586829-1519411602-2-1850211408705230049 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519411601; b=OPFItQuJSDUW1FQ0cPA9Do5pOSv+cM+meB69B94m9xNw1E7 5li7kILAzS47wvzjeDEnkbvsjy6CoJOr4U1jwqk7ooqPdmF2sPHALbV6X4VhV6KA OQJhOe699kv52kUJSyMS4ydN3JUPSNcGnvkCKDPO/wWeNUzWWAYZhBDgBeLlZKX4 yae4wQBCPpLz6ZiAJbus90pfu4IpQVcO2n9LKyk+9hJBcqtcvIhCCVBO2gmiQdUN yASIfBeX4qiD0FilSee4eyY2GEpVQ4gTDVfX041BCyHW6pv7X6SWWDQxIYZuvHpa 5SoJrwKdicJtrhr5TsZEyQBcWt50cDptNyGUUPQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1519411601; bh=bQ3dxiZjRB1iqxm/+ZF2UbXsco xDx15XhNDC9KxpVCg=; b=aBo3iLtqC/SbD34gqaOa+PaTwpXhv+NdYTmgb4Gv0i DTtZBcZGBwXNsAq1RSWIyJCtuoq0NPy3t9F+FHh2+J8z+KJejLC6/XoenuPKgmTP NAKH3PJuOeJ/zMZRVdtbziZ3lookS/4VxNpnb2brGiqTxKSy+/Imzy+0TOXsbsnY bYBsJptS8B3cytGjhg9NpWxLyJW9P/lafpZbFj5cdP0+TfTw9ijgYxnZKAi6iZ/V 8gjXGNfn8zdG+97W1V7sgcrI8uvOxr4ux/bVDo045bG/AgRmDJKhP1zzW2QqrKG+ W5Sw2YJ2j41tgrANLtAYzoN29s+4k1ziBi5NULRVl1Bw== ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934017AbeBWSq1 (ORCPT ); Fri, 23 Feb 2018 13:46:27 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:43706 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933989AbeBWSqZ (ORCPT ); Fri, 23 Feb 2018 13:46:25 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , "David S. Miller" Subject: [PATCH 4.9 094/145] vmxnet3: prevent building with 64K pages Date: Fri, 23 Feb 2018 19:26:40 +0100 Message-Id: <20180223170736.973004784@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180223170724.669759283@linuxfoundation.org> References: <20180223170724.669759283@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Arnd Bergmann commit fbdf0e28d061708cf18ba0f8e0db5360dc9a15b9 upstream. I got a warning about broken code on ARM64 with 64K pages: drivers/net/vmxnet3/vmxnet3_drv.c: In function 'vmxnet3_rq_init': drivers/net/vmxnet3/vmxnet3_drv.c:1679:29: error: large integer implicitly truncated to unsigned type [-Werror=overflow] rq->buf_info[0][i].len = PAGE_SIZE; 'len' here is a 16-bit integer, so this clearly won't work. I don't think this driver is used much on anything other than x86, so there is no need to fix this properly and we can work around it with a Kconfig dependency to forbid known-broken configurations. qemu in theory supports it on other architectures too, but presumably only for compatibility with x86 guests that also run on vmware. CONFIG_PAGE_SIZE_64KB is used on hexagon, mips, sh and tile, the other symbols are architecture-specific names for the same thing. Signed-off-by: Arnd Bergmann Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/Kconfig | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -437,6 +437,9 @@ config XEN_NETDEV_BACKEND config VMXNET3 tristate "VMware VMXNET3 ethernet driver" depends on PCI && INET + depends on !(PAGE_SIZE_64KB || ARM64_64K_PAGES || \ + IA64_PAGE_SIZE_64KB || MICROBLAZE_64K_PAGES || \ + PARISC_PAGE_SIZE_64KB || PPC_64K_PAGES) help This driver supports VMware's vmxnet3 virtual ethernet NIC. To compile this driver as a module, choose M here: the