From patchwork Thu Dec 8 19:38:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Matlack X-Patchwork-Id: 13068766 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 C1F0CC4332F for ; Thu, 8 Dec 2022 19:40:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229984AbiLHTkU (ORCPT ); Thu, 8 Dec 2022 14:40:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58120 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229909AbiLHTkE (ORCPT ); Thu, 8 Dec 2022 14:40:04 -0500 Received: from mail-pg1-x54a.google.com (mail-pg1-x54a.google.com [IPv6:2607:f8b0:4864:20::54a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20C45389CA for ; Thu, 8 Dec 2022 11:39:45 -0800 (PST) Received: by mail-pg1-x54a.google.com with SMTP id 38-20020a630b26000000b004773803dda1so1610312pgl.17 for ; Thu, 08 Dec 2022 11:39:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=LgQMdy+BRV6etzCdcak09K9MMPBRYTlG1+oihaFX4ek=; b=HTWjIigcZ7WZjOnOg61QHaCTfbHLyHGvpSvV9l8zZQ5K6Grf0VUcQH9XdDcrgQ0qnO 1QAcwSASOHpForiZANO2+68V5a8rNealSQ0apW5C0hOTyqLw/F+VPLY3asRhXgPKSuVc ATHZcBO/0vYL56E/Ir829fUHKApmsLZ4Axd/FvOUVfKwdR9J0BHthDhp0OlK+DWkEs9G 8DbJlx/DyawOHuuPdY5BhEZwMd2ETb8lHyA5mmcw6iiBiq+/CMkbN4u0OnU/XPiCWYAg 4c1jbNQi9nK7+jDlMHAK9qxmS0z+lVbXn90csRVgjpeYpmndVSm5rYF7D0TXl9GZ2RVc 4lEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=LgQMdy+BRV6etzCdcak09K9MMPBRYTlG1+oihaFX4ek=; b=Zp8OokKjNTA7ogJRVImizKqDBmMRzT75NHXffvXAuKGm3fH2unMauCItazJ7nkBkFN TUQQKXAFbLXRVKjy3yyvyimIFjTLIOs6poED6v4jSfgZw63NETUVzN0h/stZtDixB63q oMM/kHNz45ExW0sz0+4HCyi9BNou4YqfQkyQ96davl28qcrAU3DXnFq/a6AJ3K6Re9mt 0AF7mfpPGvcDMVJfOF/14nUxzd8QmuRzkpupWxjVXWDyxZ7WXJLSWXMyhaSDcJiiL6pf Ea8MdShrJjBZ8/3K88pqcJmFci9vyNuPxsd6iagI3fnXNKDASDNcg/FLGm9fcuOuJMvZ OpuQ== X-Gm-Message-State: ANoB5pmEwAdbAeXebcmfwH/Ip3WObRHQ8f97Ii91l9UCRB1v3CHyFjvi 0cPUhRaZNtIP2y5o19LgcQ3ohppEdRzErA== X-Google-Smtp-Source: AA0mqf6s5jpCYuu3sADTa5hiPGsaDUIFXQc5seS/2ekXFn3zxyf2G6r6oJqYRkkShhh/Mij7t3AhSFvHIH2QTg== X-Received: from dmatlack-n2d-128.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:1309]) (user=dmatlack job=sendgmr) by 2002:a17:90b:11d6:b0:219:ce92:17a1 with SMTP id gv22-20020a17090b11d600b00219ce9217a1mr20111973pjb.235.1670528383766; Thu, 08 Dec 2022 11:39:43 -0800 (PST) Date: Thu, 8 Dec 2022 11:38:42 -0800 In-Reply-To: <20221208193857.4090582-1-dmatlack@google.com> Mime-Version: 1.0 References: <20221208193857.4090582-1-dmatlack@google.com> X-Mailer: git-send-email 2.39.0.rc1.256.g54fd8350bd-goog Message-ID: <20221208193857.4090582-23-dmatlack@google.com> Subject: [RFC PATCH 22/37] KVM: x86: Select HAVE_TDP_MMU if X86_64 From: David Matlack To: Paolo Bonzini Cc: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Huacai Chen , Aleksandar Markovic , Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Sean Christopherson , Andrew Morton , David Matlack , Anshuman Khandual , Nadav Amit , "Matthew Wilcox (Oracle)" , Vlastimil Babka , "Liam R. Howlett" , Suren Baghdasaryan , Peter Xu , xu xin , Arnd Bergmann , Yu Zhao , Colin Cross , Hugh Dickins , Ben Gardon , Mingwei Zhang , Krish Sadhukhan , Ricardo Koller , Jing Zhang , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org In preparation for moving the TDP MMU implementation into virt/kvm/ guarded behind HAVE_TDP_MMU, ensure that HAVE_TDP_MMU is selected in X86_64 builds that enable KVM. This matches the existing behavior of the TDP MMU in x86. No functional change intended. Signed-off-by: David Matlack --- arch/x86/kvm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index fbeaa9ddef59..849185d5020d 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -49,6 +49,7 @@ config KVM select SRCU select INTERVAL_TREE select HAVE_KVM_PM_NOTIFIER if PM + select HAVE_TDP_MMU if X86_64 help Support hosting fully virtualized guest machines using hardware virtualization extensions. You will need a fairly recent