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=-5.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 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 7700CC388F7 for ; Sun, 25 Oct 2020 08:12:45 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 8674020773 for ; Sun, 25 Oct 2020 08:12:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="lUViuqvH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8674020773 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 23C5186B18; Sun, 25 Oct 2020 08:12:44 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RosD-mNshyPa; Sun, 25 Oct 2020 08:12:43 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 73D5C856E9; Sun, 25 Oct 2020 08:12:43 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 57E96C0859; Sun, 25 Oct 2020 08:12:43 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 637ADC0051 for ; Sun, 25 Oct 2020 08:12:41 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 5734585F18 for ; Sun, 25 Oct 2020 08:12:41 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 55h9tafqdKoQ for ; Sun, 25 Oct 2020 08:12:40 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 8BC2B856E9 for ; Sun, 25 Oct 2020 08:12:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Mime-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=5YmkyJ6CDuxkka7/ffVAPsSmogpU3mXYnzR0TikctsM=; b=lUViuqvHLUETWoVEcquau2VZhE BaKSa3TOmBYlHNztJXdQ/wMEtryzcV+Jb+d6RVhMyvELfnMuT8jjKayYWxrFILvKCqHRHwbfG2xYG NsntTp0Wb5v8FeYTUZJXX+wKM4gwV5Oy7QvD0b3l6otGTpZb9oH5DEWSh/w/ZG8ltYB02LqpKhwZ8 DQemLoQmTqCBVqc662NicuiFHac93DIq9vJGCdl3GhPUXVQrLmrKbqmJzhO4dCzU/90da1EWInSN2 d387drFbZX9xcJsRllTBy/3UwT/pGtlmW3IZAb8qxyfw2WztFwam4dxmkvTTXp+O3MBqGUyNWjVar j7X/2UzQ==; Received: from 54-240-197-231.amazon.com ([54.240.197.231] helo=freeip.amazon.com) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kWb8l-0001Za-Dp; Sun, 25 Oct 2020 08:12:35 +0000 Message-ID: Subject: Re: [PATCH v3 00/35] Fix x2apic enablement and allow more CPUs, clean up I/OAPIC and MSI bitfields From: David Woodhouse To: x86@kernel.org Date: Sun, 25 Oct 2020 08:12:32 +0000 In-Reply-To: <20201024213535.443185-1-dwmw2@infradead.org> References: <20201024213535.443185-1-dwmw2@infradead.org> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 Mime-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org. See http://www.infradead.org/rpr.html Cc: linux-hyperv@vger.kernel.org, kvm , Dexuan Cui , linux-kernel , iommu@lists.linux-foundation.org, maz@misterjones.org, Paolo Bonzini , Thomas Gleixner X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8532242126419736429==" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" --===============8532242126419736429== Content-Type: multipart/signed; micalg="sha-256"; protocol="application/x-pkcs7-signature"; boundary="=-lTgPnKVcYDV+PnH2U0SW" --=-lTgPnKVcYDV+PnH2U0SW Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sat, 2020-10-24 at 22:35 +0100, David Woodhouse wrote: > Fix the conditions for enabling x2apic on guests without interrupt=20 > remapping, and support 15-bit Extended Destination ID to allow 32768=20 > CPUs without IR on hypervisors that support it. >=20 > Make the I/OAPIC code generate its RTE directly from the MSI message > created by the parent irqchip, and fix up a bunch of magic mask/shift > macros to use bitfields for MSI messages and I/OAPIC RTEs while we're > at it. Forgot to mention (since I thought I'd posted it in a previous series) that v3 also ditches irq_remapping_get_irq_domain() and some icky special cases of hard-coding "x86_vector_domain", and makes HPET and I/OAPIC use irq_find_matching_fwspeC() to find their parent irqdomain. > v3: > =E2=80=A2 Lots of bitfield cleanups from Thomas. > =E2=80=A2 Disable hyperv-iommu if 15-bit extension is present. > =E2=80=A2 Fix inconsistent CONFIG_PCI_MSI/CONFIG_GENERIC_MSI_IRQ in hpet= .c > =E2=80=A2 Split KVM_FEATURE_MSI_EXT_DEST_ID patch, half of which is goin= g upstream > through KVM tree (and the other half needs to wait, or have an #ifdef)= so > is left at the top of the tree. >=20 > v2: > =E2=80=A2 Minor cleanups. > =E2=80=A2 Move __irq_msi_compose_msg() to apic.c, make virt_ext_dest_id = static. > =E2=80=A2 Generate I/OAPIC RTE directly from parent irqchip's MSI messag= es. > =E2=80=A2 Clean up HPET MSI support into hpet.c now that we can. --=-lTgPnKVcYDV+PnH2U0SW Content-Type: 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