{"id":2231623,"url":"http://patchwork.ozlabs.org/api/patches/2231623/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260501004157.3108202-2-mrathor@linux.microsoft.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260501004157.3108202-2-mrathor@linux.microsoft.com>","list_archive_url":null,"date":"2026-05-01T00:41:47","name":"[V2,01/11] iommu/hyperv: rename hyperv-iommu.c to hyperv-irq.c","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"6ac22eb5c494e3f4ec616335872a8f3f65a4df96","submitter":{"id":91512,"url":"http://patchwork.ozlabs.org/api/people/91512/?format=json","name":"Mukesh R","email":"mrathor@linux.microsoft.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260501004157.3108202-2-mrathor@linux.microsoft.com/mbox/","series":[{"id":502410,"url":"http://patchwork.ozlabs.org/api/series/502410/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=502410","date":"2026-05-01T00:41:46","name":"PCI passthru on Hyper-V (Part I)","version":2,"mbox":"http://patchwork.ozlabs.org/series/502410/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2231623/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2231623/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=linux.microsoft.com header.i=@linux.microsoft.com\n header.a=rsa-sha256 header.s=default header.b=iBPESL9j;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; helo=sto.lore.kernel.org;\n envelope-from=linux-pci+bounces-53559-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (1024-bit key) header.d=linux.microsoft.com\n header.i=@linux.microsoft.com header.b=\"iBPESL9j\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=13.77.154.182","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=linux.microsoft.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=linux.microsoft.com"],"Received":["from sto.lore.kernel.org (sto.lore.kernel.org\n [IPv6:2600:3c09:e001:a7::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g6C1J33zlz1y1d\n\tfor ; Fri, 01 May 2026 10:42:28 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sto.lore.kernel.org (Postfix) with ESMTP id C632B3014A03\n\tfor ; Fri, 1 May 2026 00:42:19 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 32E42282F02;\n\tFri, 1 May 2026 00:42:12 +0000 (UTC)","from linux.microsoft.com (linux.microsoft.com [13.77.154.182])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 43E7D23F417;\n\tFri, 1 May 2026 00:42:10 +0000 (UTC)","from mrdev.corp.microsoft.com (unknown [40.86.183.173])\n\tby linux.microsoft.com (Postfix) with ESMTPSA id 5E76720B7167;\n\tThu, 30 Apr 2026 17:42:08 -0700 (PDT)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777596131; cv=none;\n b=dF9rgTO3CDly+w0L1O9iIL6Czj1nKOEJ39QsfgM96vALKQIUXg/we/Cws9tSuH2d4fRGB2Cfnt8C2/UuGrCJizUtnbhQP9qXCFQcSA0P7RXYcBy9czh7eXuasM476valQmEVB6GWHy9yTQEeVDGtAo6ml7TDDcxQGueNb+TpT+I=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777596131; c=relaxed/simple;\n\tbh=iNCq/6LJynBsDvVqOUXofG0jeHT8WBHDLN51gLy0Qh8=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=PNJKf8urxCEXTkbk4yEh/01uv6AeHXYV8afToNRHCY+4m1P/iBkCThpJhoZ25obXyHbYM0wSJUSJU6QPV9dxh4g/BiWI2gsjASflQ+fZJbJ5/e+zuo7MJzJ6LOOG6oJbZdBgTHRJLKkGYQBzxfu+117s1XoqWQBbwm45aYbcwV4=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=linux.microsoft.com;\n spf=pass smtp.mailfrom=linux.microsoft.com;\n dkim=pass (1024-bit key) header.d=linux.microsoft.com\n header.i=@linux.microsoft.com header.b=iBPESL9j;\n arc=none smtp.client-ip=13.77.154.182","DKIM-Filter":"OpenDKIM Filter v2.11.0 linux.microsoft.com 5E76720B7167","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;\n\ts=default; t=1777596129;\n\tbh=ynRA88Z5bV4VTptbAf0c2VvjcKoPPD/m6Qh24ri9A0Q=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=iBPESL9jKKWmNDTt4bCQrEOMEaylhc+I5k3jMfbEhgOdeL/Vr5w031kS9KRSu+KMy\n\t 3q5FPmZGV6l8nBTwUmbITkC69Qr/sUA1e8UV6AvdD6WEU2EkMIJ+KsA9GafQGOBhfh\n\t mV6t6eABKgSYzQoTd/FFWo0AbXRUX4uYvVMtyIhU=","From":"Mukesh R ","To":"hpa@zytor.com,\n\trobin.murphy@arm.com,\n\trobh@kernel.org,\n\twei.liu@kernel.org,\n\tmrathor@linux.microsoft.com,\n\tmhklinux@outlook.com,\n\tmuislam@microsoft.com,\n\tnamjain@linux.microsoft.com,\n\tmagnuskulke@linux.microsoft.com,\n\tanbelski@linux.microsoft.com,\n\tlinux-kernel@vger.kernel.org,\n\tlinux-hyperv@vger.kernel.org,\n\tiommu@lists.linux.dev,\n\tlinux-pci@vger.kernel.org,\n\tlinux-arch@vger.kernel.org","Cc":"kys@microsoft.com,\n\thaiyangz@microsoft.com,\n\tdecui@microsoft.com,\n\tlongli@microsoft.com,\n\ttglx@kernel.org,\n\tmingo@redhat.com,\n\tbp@alien8.de,\n\tdave.hansen@linux.intel.com,\n\tx86@kernel.org,\n\tjoro@8bytes.org,\n\twill@kernel.org,\n\tlpieralisi@kernel.org,\n\tkwilczynski@kernel.org,\n\tbhelgaas@google.com,\n\tarnd@arndb.de","Subject":"[PATCH V2 01/11] iommu/hyperv: rename hyperv-iommu.c to hyperv-irq.c","Date":"Thu, 30 Apr 2026 17:41:47 -0700","Message-ID":"<20260501004157.3108202-2-mrathor@linux.microsoft.com>","X-Mailer":"git-send-email 2.51.2.vfs.0.1","In-Reply-To":"<20260501004157.3108202-1-mrathor@linux.microsoft.com>","References":"<20260501004157.3108202-1-mrathor@linux.microsoft.com>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"This file actually implements irq remapping, so rename to more appropriate\nhyperv-irq.c. A new file to implement hyperv iommu will be introduced\nlater. Also, it should not be tied to HYPERV_IOMMU, but to CONFIG_HYPERV\nand IRQ_REMAP. The file already has #ifdef CONFIG_IRQ_REMAP.\n\nReviewed-by: Anirudh Rayabharam (Microsoft) \nSigned-off-by: Mukesh R \n---\n MAINTAINERS | 2 +-\n drivers/iommu/Makefile | 2 +-\n drivers/iommu/{hyperv-iommu.c => hyperv-irq.c} | 6 +++---\n drivers/iommu/irq_remapping.c | 2 +-\n 4 files changed, 6 insertions(+), 6 deletions(-)\n rename drivers/iommu/{hyperv-iommu.c => hyperv-irq.c} (99%)","diff":"diff --git a/MAINTAINERS b/MAINTAINERS\nindex d1cc0e12fe1f..f803a6a38fee 100644\n--- a/MAINTAINERS\n+++ b/MAINTAINERS\n@@ -11914,7 +11914,7 @@ F:\tdrivers/clocksource/hyperv_timer.c\n F:\tdrivers/hid/hid-hyperv.c\n F:\tdrivers/hv/\n F:\tdrivers/input/serio/hyperv-keyboard.c\n-F:\tdrivers/iommu/hyperv-iommu.c\n+F:\tdrivers/iommu/hyperv-irq.c\n F:\tdrivers/net/ethernet/microsoft/\n F:\tdrivers/net/hyperv/\n F:\tdrivers/pci/controller/pci-hyperv-intf.c\ndiff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile\nindex 0275821f4ef9..335ea77cced6 100644\n--- a/drivers/iommu/Makefile\n+++ b/drivers/iommu/Makefile\n@@ -30,7 +30,7 @@ obj-$(CONFIG_TEGRA_IOMMU_SMMU) += tegra-smmu.o\n obj-$(CONFIG_EXYNOS_IOMMU) += exynos-iommu.o\n obj-$(CONFIG_FSL_PAMU) += fsl_pamu.o fsl_pamu_domain.o\n obj-$(CONFIG_S390_IOMMU) += s390-iommu.o\n-obj-$(CONFIG_HYPERV_IOMMU) += hyperv-iommu.o\n+obj-$(CONFIG_HYPERV) += hyperv-irq.o\n obj-$(CONFIG_VIRTIO_IOMMU) += virtio-iommu.o\n obj-$(CONFIG_IOMMU_SVA) += iommu-sva.o\n obj-$(CONFIG_IOMMU_IOPF) += io-pgfault.o\ndiff --git a/drivers/iommu/hyperv-iommu.c b/drivers/iommu/hyperv-irq.c\nsimilarity index 99%\nrename from drivers/iommu/hyperv-iommu.c\nrename to drivers/iommu/hyperv-irq.c\nindex 479103261ae6..d11076f906fb 100644\n--- a/drivers/iommu/hyperv-iommu.c\n+++ b/drivers/iommu/hyperv-irq.c\n@@ -8,6 +8,8 @@\n * Author : Lan Tianyu \n */\n \n+#ifdef CONFIG_IRQ_REMAP\n+\n #include \n #include \n #include \n@@ -24,8 +26,6 @@\n \n #include \"irq_remapping.h\"\n \n-#ifdef CONFIG_IRQ_REMAP\n-\n /*\n * According 82093AA IO-APIC spec , IO APIC has a 24-entry Interrupt\n * Redirection Table. Hyper-V exposes one single IO-APIC and so define\n@@ -331,4 +331,4 @@ static const struct irq_domain_ops hyperv_root_ir_domain_ops = {\n \t.free = hyperv_root_irq_remapping_free,\n };\n \n-#endif\n+#endif /* CONFIG_IRQ_REMAP */\ndiff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c\nindex c2443659812a..41bf65e4ea88 100644\n--- a/drivers/iommu/irq_remapping.c\n+++ b/drivers/iommu/irq_remapping.c\n@@ -108,7 +108,7 @@ int __init irq_remapping_prepare(void)\n \telse if (IS_ENABLED(CONFIG_AMD_IOMMU) &&\n \t\t amd_iommu_irq_ops.prepare() == 0)\n \t\tremap_ops = &amd_iommu_irq_ops;\n-\telse if (IS_ENABLED(CONFIG_HYPERV_IOMMU) &&\n+\telse if (IS_ENABLED(CONFIG_HYPERV) &&\n \t\t hyperv_irq_remap_ops.prepare() == 0)\n \t\tremap_ops = &hyperv_irq_remap_ops;\n \telse\n","prefixes":["V2","01/11"]}