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: 13068800 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 00749C4332F for ; Thu, 8 Dec 2022 19:48:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=K88dABeBVx7oD9Kp+zff/hYhWTNAriasPfqvmoFAzBs=; b=byJrCn2pFfEcxOiG/9KVNDkPce Ohj2I8MS7Rw7fotg+r8RsRV50OAvdisN1r9NkXOfFr4NzYPLS+OLA7knzp4OTHuL7gDtgiIF6c0gm d2aliENg54NVZ+UUmHOzLAggRnpP4IzVXK4ngaYjckcBLiXwVdS+edD/lDcOk2MjijEFvA94Nvj4g Z6LjYaKDAmiXHcfhQj/H1XaPE9mjgEsqbKg0AIKnURLKj1IEYKK1avv7ujcOlOFwcNNz542J+Y2kz SvMO8AbsN0Ho6XERaS4mLbWy8Lvb8Lg4kexUUdCBkMZQcGq6BJt6LhKjHwdLYWqX7Q0ccCmnHOQKS fE9U3Sdg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p3Mra-00A23W-PA; Thu, 08 Dec 2022 19:47:22 +0000 Received: from mail-oa1-x4a.google.com ([2001:4860:4864:20::4a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p3Mqd-00A1Jk-84 for linux-arm-kernel@lists.infradead.org; Thu, 08 Dec 2022 19:46:24 +0000 Received: by mail-oa1-x4a.google.com with SMTP id 586e51a60fabf-1447ffe6046so1071147fac.3 for ; Thu, 08 Dec 2022 11:46:22 -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=kLp2GWi5IZVc4eR1iIqnqQJ7QO1noD9p8qFpz6xIpbef8Pzmt/o42xKYS4sqZVbA2b LLPdmO+IMZb9dpQ8Fdkw4AeQUb9r3QtIkDuqu0EyG9dbqouuM4EeDcKJE4A6F9r5RdtH r9LU9S7D0qeFJC0/emXaSGbkit5ddrHeKzMDZfBkFa7rDENAUkIoUlKmGI9V5xcPbec8 N67yKfuteVbw1JDHiCvGZ+dj6b0Itbo26j+v0HL0Rnp/e66DwfP1gWtEVYhh2b6PuX8W UABxASXz1W7B0V37kikt6HX/PgdBcVaIZ+wHZz+8zAwyeUR2HZFCY6i5+lj2kQDrOc2C WfmQ== X-Gm-Message-State: ANoB5pmkDVEExnrLm0AruLiP8zbUyndgdJLrwh3bIpn1md1iBoBA2Jd2 H8V2ZcEvXsjltE2Ivm9eW/31cwI52Snc6A== 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221208_114623_326467_46C1F02E X-CRM114-Status: UNSURE ( 9.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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