From patchwork Tue Nov 17 20:21:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Enrico Weigelt, metux IT consult" X-Patchwork-Id: 326783 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 24B3CC63798 for ; Tue, 17 Nov 2020 20:22:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D8700221F1 for ; Tue, 17 Nov 2020 20:22:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726861AbgKQUWM (ORCPT ); Tue, 17 Nov 2020 15:22:12 -0500 Received: from mout.kundenserver.de ([212.227.126.133]:41607 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725779AbgKQUWH (ORCPT ); Tue, 17 Nov 2020 15:22:07 -0500 Received: from orion.localdomain ([95.118.38.12]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.167]) with ESMTPSA (Nemesis) id 1Mv3I0-1kNj5V0PI0-00qycw; Tue, 17 Nov 2020 21:21:37 +0100 From: "Enrico Weigelt, metux IT consult" To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, dmitry.torokhov@gmail.com, derek.kiernan@xilinx.com, dragan.cvetic@xilinx.com, richardcochran@gmail.com, linux-hyperv@vger.kernel.org, linux-input@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 2/2] x86: make hyperv support optional Date: Tue, 17 Nov 2020 21:21:34 +0100 Message-Id: <20201117202134.6312-2-info@metux.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20201117202134.6312-1-info@metux.net> References: <20201117202134.6312-1-info@metux.net> X-Provags-ID: V03:K1:ph+Tgcw1zVIlrJX8Mt4vFYz8rLohGAqq3s1BZmrXQ0fOF3hE2SH K06jt/2aHWe9A6aq7YUI+pBfFjKpqHA1HDDxwBFHXDbKfwnY4ovqzqxI0cpyfwcXGLnxU9Q d0hSxcvpqI3XUygrNImtokmdqGGYqIgtrPu+xrxb8fsW9IJ93EQgY0W3rsM5LAaRXf/3yoW jxiANUQKq24FEZqA4KD7A== X-UI-Out-Filterresults: notjunk:1; V03:K0:cenxsi2fg00=:rapmf7r1BfGtnSW29zwI7p cyqmzInHBfM7goUKEV32bmMioL+BaBu8PfOv0RfhLA5EtbGJtfiWquxMk7Ot+WI1cOkmVL0SS Rkwlt/ijqYOEbQBRlxDYSxtASdkW/TqgFL6MNILZi2LLNHGT1IQAv0g1g/EToDM0yyqo3kf56 t2qeCUc8rroeEte+xeBZW+CdKHd2soh1YmEPwnPsoD1vVNU5y+ShEeI8ULoDf8G7OmABqrx7u Q4oc+D2dXCf7eLLrIkAjjv9fmmM/9Tu0l1jj1ZTXjCdE57lQGYb0lfQK0xegdQCKn72zH0JQM eOXsVOyn2oEUcydvnbozvqF6lucZVGj1TTbh7e1HcESRkiDs+UupTKuycolgAmVBBsv0szTXJ WBj1Dieyj9ldmw4aAjHrxleOFvSXJiIo0LthqvrGK4y/ebumFT0oVWPN53Ex3 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org --- arch/x86/Kconfig | 7 +++++++ arch/x86/kernel/cpu/Makefile | 4 ++-- arch/x86/kernel/cpu/hypervisor.c | 2 ++ drivers/hv/Kconfig | 2 +- 4 files changed, 12 insertions(+), 3 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c227c1fa0091..60aab344d6ab 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -808,6 +808,13 @@ config VMWARE_GUEST This option enables several optimizations for running under the VMware hypervisor. +config HYPERV_GUEST + bool "HyperV Guest support" + default y + help + This option enables several optimizations for running under the + HyperV hypervisor. + config KVM_GUEST bool "KVM Guest support (including kvmclock)" depends on PARAVIRT diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index a615b0152bf0..5536b801cb44 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -51,9 +51,9 @@ obj-$(CONFIG_X86_CPU_RESCTRL) += resctrl/ obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o -obj-$(CONFIG_HYPERVISOR_GUEST) += hypervisor.o mshyperv.o +obj-$(CONFIG_HYPERVISOR_GUEST) += hypervisor.o obj-$(CONFIG_VMWARE_GUEST) += vmware.o - +obj-$(CONFIG_HYPERV_GUEST) += mshyperv.o obj-$(CONFIG_ACRN_GUEST) += acrn.o ifdef CONFIG_X86_FEATURE_NAMES diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c index c0e770a224aa..32d6b2084d05 100644 --- a/arch/x86/kernel/cpu/hypervisor.c +++ b/arch/x86/kernel/cpu/hypervisor.c @@ -37,7 +37,9 @@ static const __initconst struct hypervisor_x86 * const hypervisors[] = #ifdef CONFIG_VMWARE_GUEST &x86_hyper_vmware, #endif +#ifdef CONFIG_HYPERV_GUEST &x86_hyper_ms_hyperv, +#endif #ifdef CONFIG_KVM_GUEST &x86_hyper_kvm, #endif diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig index 79e5356a737a..7b3094c59a81 100644 --- a/drivers/hv/Kconfig +++ b/drivers/hv/Kconfig @@ -4,7 +4,7 @@ menu "Microsoft Hyper-V guest support" config HYPERV tristate "Microsoft Hyper-V client drivers" - depends on X86 && ACPI && X86_LOCAL_APIC && HYPERVISOR_GUEST + depends on X86 && ACPI && X86_LOCAL_APIC && HYPERV_GUEST select PARAVIRT select X86_HV_CALLBACK_VECTOR help