From patchwork Wed Sep 11 15:15:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 11141337 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 16A5E14ED for ; Wed, 11 Sep 2019 15:17:28 +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 F076A206A5 for ; Wed, 11 Sep 2019 15:17:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F076A206A5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i84Li-0001AR-Pi; Wed, 11 Sep 2019 15:16:02 +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 1i84Lh-00019Y-NT for xen-devel@lists.xenproject.org; Wed, 11 Sep 2019 15:16:01 +0000 X-Inumbo-ID: 0f891c17-d4a7-11e9-83d7-12813bfff9fa Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 0f891c17-d4a7-11e9-83d7-12813bfff9fa; Wed, 11 Sep 2019 15:16:00 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 11DD8B07D; Wed, 11 Sep 2019 15:15:58 +0000 (UTC) To: "xen-devel@lists.xenproject.org" From: Jan Beulich Message-ID: Date: Wed, 11 Sep 2019 17:15:57 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 Content-Language: en-US Subject: [Xen-devel] [PATCH RESEND/PING 0/9] XSA-292 follow-up 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: George Dunlap , Andrew Cooper , Wei Liu , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Various CR3 and PCID related adjustments, first and foremost an almost full re-write of switch_cr3_cr4() (in patch 2). 1: x86: adjust cr3_pcid() return type 2: x86: limit the amount of TLB flushing in switch_cr3_cr4() 3: x86/mm: honor opt_pcid also for 32-bit PV domains 4: x86/HVM: move NOFLUSH handling out of hvm_set_cr3() 5: x86/HVM: refuse CR3 loads with reserved (upper) bits set 6: x86/HVM: relax shadow mode check in hvm_set_cr3() 7: x86/HVM: cosmetics to hvm_set_cr3() 8: x86/CPUID: drop INVPCID dependency on PCID 9: x86: PCID is unused when !PV Jan