From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 B7001C43461 for ; Fri, 7 May 2021 13:10:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B7676145D for ; Fri, 7 May 2021 13:10:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236752AbhEGNLX (ORCPT ); Fri, 7 May 2021 09:11:23 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:39209 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236467AbhEGNLV (ORCPT ); Fri, 7 May 2021 09:11:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620393021; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc; bh=TiiXf73jHYHnfY5U8cMctn8gIsgl068QB1DFfjUXLNk=; b=fIOLBCI1ZqMG/ty+eVC6gZpwbPM9dX0TalRunHb0yEqR1i8Sfjys/DB7DjV83ptNeI9zAp 8XFjB6ELee6OGLWA+8l/k/4TfF1mu8oxpVmZ6ZhOT7/32xuGm07ZL6zHjU1R0+KV3zOv3r E/9N64sjcw6+cHdVoH78+pX1gMqPRm0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-281-GhpPj_GOM6q8t_xXBO6NaA-1; Fri, 07 May 2021 09:10:18 -0400 X-MC-Unique: GhpPj_GOM6q8t_xXBO6NaA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CA2021898297; Fri, 7 May 2021 13:10:17 +0000 (UTC) Received: from fuller.cnet (ovpn-112-4.gru2.redhat.com [10.97.112.4]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CA83A60918; Fri, 7 May 2021 13:10:12 +0000 (UTC) Received: by fuller.cnet (Postfix, from userid 1000) id 9CE6F41887F4; Fri, 7 May 2021 10:10:07 -0300 (-03) Message-ID: <20210507130609.269153197@redhat.com> User-Agent: quilt/0.66 Date: Fri, 07 May 2021 10:06:09 -0300 From: Marcelo Tosatti To: kvm@vger.kernel.org Cc: Paolo Bonzini , Alex Williamson , Sean Christopherson Subject: [patch 0/4] VMX: configure posted interrupt descriptor when assigning device X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Configuration of the posted interrupt descriptor is incorrect when devices are hotplugged to the guest (and vcpus are halted). See patch 4 for details. --- v2: rather than using a potentially racy IPI (vs vcpu->cpu switches), kick the vcpus when assigning a device and let the blocked per-CPU list manipulation happen locally at ->pre_block and ->post_block (Sean Christopherson).