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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44C7EC43219 for ; Fri, 11 Nov 2022 16:45:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233464AbiKKQo6 (ORCPT ); Fri, 11 Nov 2022 11:44:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232004AbiKKQo6 (ORCPT ); Fri, 11 Nov 2022 11:44:58 -0500 Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C041383B9D; Fri, 11 Nov 2022 08:44:56 -0800 (PST) Received: by mail-wm1-f50.google.com with SMTP id v7so3255062wmn.0; Fri, 11 Nov 2022 08:44:56 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=UXPe6WX8jBjWxRwy3pL5D2Wep2saGki4oUGtlWeziig=; b=lCAoP1Xr5XxJfhkEbEfYwx3rNXiF+zamx73gXcE8fPixkZwSpQkuVadYOWqQGYv4dM nE/EFknjTL1dUkLl/U4yztZEPqcXsIa+t6BfqCay7G6xFw5hcCiSdFrLFrxRho8Hg5pJ HG+llqempdKortXC3zYpmNyHGNp4fsaDAiauJi/u3bewOPhy7oOuWbUwTQ3hFmmO1FBL NzD6HCaLhtYINLn93/QEwZaYBbGFwvh38Dw3mrPjybAi825onInryicSt0erAimwJy5q oPKsv9rd/XA0A4cd27puSIthLPZANZJ2fH7dDIJI6GhY+iFNgo32RdITlTRarRebTrKx asYA== X-Gm-Message-State: ANoB5png+VSceECWlN8gGcltmG6A8oYUM/uQjvA7Ry9jMUk388+Eii5/ tzKI2YS44omaBjQhsZ5Ncls= X-Google-Smtp-Source: AA0mqf5Sn0xQORHJpQN6R8VYO4G2A2ivXDMnYvQDhL1ytehzwGpbrmIn369cEycyw74wQAil/XuM7w== X-Received: by 2002:a05:600c:2195:b0:3cf:6c2f:950c with SMTP id e21-20020a05600c219500b003cf6c2f950cmr1893974wme.146.1668185095259; Fri, 11 Nov 2022 08:44:55 -0800 (PST) Received: from liuwe-devbox-debian-v2 ([51.145.34.42]) by smtp.gmail.com with ESMTPSA id c2-20020a5d4cc2000000b0023655e51c14sm2282939wrt.32.2022.11.11.08.44.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Nov 2022 08:44:54 -0800 (PST) Date: Fri, 11 Nov 2022 16:44:52 +0000 From: Wei Liu To: Michael Kelley Cc: hpa@zytor.com, kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, luto@kernel.org, peterz@infradead.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, lpieralisi@kernel.org, robh@kernel.org, kw@linux.com, bhelgaas@google.com, arnd@arndb.de, hch@infradead.org, m.szyprowski@samsung.com, robin.murphy@arm.com, thomas.lendacky@amd.com, brijesh.singh@amd.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, Tianyu.Lan@microsoft.com, kirill.shutemov@linux.intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, ak@linux.intel.com, isaku.yamahata@intel.com, dan.j.williams@intel.com, jane.chu@oracle.com, seanjc@google.com, tony.luck@intel.com, x86@kernel.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-pci@vger.kernel.org, linux-arch@vger.kernel.org, iommu@lists.linux.dev Subject: Re: [PATCH v2 00/12] Drivers: hv: Add PCI pass-thru support to Hyper-V Confidential VMs Message-ID: References: <1668147701-4583-1-git-send-email-mikelley@microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1668147701-4583-1-git-send-email-mikelley@microsoft.com> Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, Nov 10, 2022 at 10:21:29PM -0800, Michael Kelley wrote: [...] > Patch Organization > ================== > Patch 1 fixes a bug in __ioremap_caller() that affects the > existing Hyper-V code after the change to treat the vTOM bit as > a protection flag. Fixing the bug allows the old code to continue > to run until later patches in the series remove or update it. > This sequencing avoids the need to enable the new approach and > remove the old code in a single large patch. > > Patch 2 handles the I/O APIC quirk by defining a new CC_ATTR enum > member that is set only when running on Hyper-V. I'm waiting for x86 maintainers acks on these two patches before merging this series. Thanks, Wei.