From patchwork Wed Mar 10 10:44:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 12127693 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=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 58789C433DB for ; Wed, 10 Mar 2021 10:44:26 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 ED32C64FE1 for ; Wed, 10 Mar 2021 10:44:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ED32C64FE1 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.95966.181288 (Exim 4.92) (envelope-from ) id 1lJwK6-0003SU-8s; Wed, 10 Mar 2021 10:44:14 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 95966.181288; Wed, 10 Mar 2021 10:44:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lJwK6-0003SK-4I; Wed, 10 Mar 2021 10:44:14 +0000 Received: by outflank-mailman (input) for mailman id 95966; Wed, 10 Mar 2021 10:44:13 +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 4.92) (envelope-from ) id 1lJwK5-0003RY-1p for xen-devel@lists.xenproject.org; Wed, 10 Mar 2021 10:44:13 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 93b01f98-da1d-451a-93ce-e0d8e3e4f515; Wed, 10 Mar 2021 10:44:11 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 7FD74AC24; Wed, 10 Mar 2021 10:44:10 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 93b01f98-da1d-451a-93ce-e0d8e3e4f515 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1615373050; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=X3I7a1Jog+rvSfEanA/u+E2mxc+RtRHVujTNsBgcfZg=; b=hJSuf3eMlCC3/Fr6rHTVlPyUgb55lfAQEwjDDAJnM+VNyaS6haV65zDdZ2tb/OGNlOCw8P ChwbqMUZwBSOFULHIVe9PvU4sSbjinzgvKSCRoao+EJTWdC8D3lx6ISJ4xZxZesjpRqoeW oF77v4z6ZffBm3R4LbxlARH9Abz/jok= To: Juergen Gross , Boris Ostrovsky , Stefano Stabellini Cc: "xen-devel@lists.xenproject.org" From: Jan Beulich Subject: [PATCH 0/3] Xen: grant table related adjustments following recent XSAs Message-ID: <2b326dc6-c624-c97b-f9c4-4cc68dd013ba@suse.com> Date: Wed, 10 Mar 2021 11:44:10 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 Content-Language: en-US While addressing the XSAs a number of further oddities were noticed. Try to take care of them. 1: gntdev: don't needlessly allocate k{,un}map_ops[] 2: gnttab: introduce common INVALID_GRANT_{HANDLE,REF} 3: gntdev: don't needlessly use kvcalloc() Jan