From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56A4F288C02 for ; Tue, 29 Jul 2025 22:55:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753829738; cv=none; b=T80NsLJ0wUIa8hwl2jjeQ2VLYBz/xxIN/ikEPqGsqcN+YbIJF1emYlnRFubS8LA/7PaYCivmcD9P/8mKeAg20clkzAqXXu4dzypjNKsyy7qKlfAnukrquUyL70RJ1cjCl6OIZRcMLw/OJ+6RATx5DXUji5f4c4bJ9bD7GhAMT2A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753829738; c=relaxed/simple; bh=PIR7Q1NgOshHJlYu6rpDm4VPA1b0uXtS/tyXN6l8IzA=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=MZlSWE1vWlQKA7IFIK5J18g6ByYGNj4/ABOUy5G42Y54zdiuQH/8qov+8R3+ZdWFmtACArhNxP7ZF8FjpeMHvwIuyBoc9bBJX83HnSFILwJMHAMXpPeLw042f/9LHbozsqkkS/GTeuFy6GvkAS/T+f46V0ZAdF7LCnG75VRw2oY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=CdJcqhNP; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="CdJcqhNP" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-3132e7266d3so6691100a91.2 for ; Tue, 29 Jul 2025 15:55:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1753829737; x=1754434537; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=gFnHmY/mnoB77L81qdmfXRRJ+itvZAH1/9yVsOU0ZkM=; b=CdJcqhNPeYdDqywNVFfaGHTsnnFI/kYoSeewkj1xaa7qqjq9eI95hADA8INU53cpFQ xzQ4+TnLVXr/Hwrw6Z7U52lDrp8U7uLYWITjM4bNgTkv1hE7z5ZuPIv413L3kXNoeoSe +fDFlWPQ+K55BxFCNHy/IgBjXrYnolew2kFR0gzJOEUgV3n3jvgwF6X0fl9Gro/SWPm6 MKtsv35P3r8zvNBwUMckVTpdiKE4mEqKNClHpoQgc8FUhxl6Mp0cairryemRAlL5mJpX d8dJzVw47WosBUzv1Kgs/b3+pK2WqqL2vSKDvrL6LIb8X8uTTvuEiBMOQ1SsVy2qSf2X apYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753829737; x=1754434537; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=gFnHmY/mnoB77L81qdmfXRRJ+itvZAH1/9yVsOU0ZkM=; b=QL7kMRtzgiwJKhTO3Jffko2zcp06UC4pEyOBrby1CMn0lJjD2xkmD+eYHwxks9/aAa /jsDyql36NA8mmBXBga+xPqsbk6OSIg1qlLq0QbqA2c7u0Be0D7Z8lm+aAu6zfs3gIYF j9cWGX6H2TxM6P6U7/zG7RkcSwRunmud8hktVtp8MrrwEQEqdWqjblEmbu92OzydSx1l EQpcls9sunLyJioWXgkmlM+roa07rva2/L44HV/kQErgN7vvdVmCCAdIUgKBmC2X6sa2 v4+5jmFLxEhjp6E4ER3ihwkjkOp/rJtEVY5pe4w8+b6CfHPTFzsOGbdxvAd3B8RA/zHX C4cQ== X-Gm-Message-State: AOJu0YwAcyUPPJ7QkA40f23XGaCMkankKIRrgqMizp7+K5hjfBNRN5cG wDdXnZSNEG1DREGk4Iexr/dzFCWlzxwDLLwPsRb0GO9g5u78K2Lrj4Q5CqvFg/BBiw1zG/kelkG eKKEqkQ== X-Google-Smtp-Source: AGHT+IGW1K6V884yFJ/UsdufteHNa+YJReUfJU48NT0v+IzXl6w7knzHbQRXIxUuwcw5V5T6c1ZnGgjicS4= X-Received: from pjbmf3.prod.google.com ([2002:a17:90b:1843:b0:31f:2efe:cece]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:2885:b0:312:639:a058 with SMTP id 98e67ed59e1d1-31f5de49d4dmr1634316a91.27.1753829736661; Tue, 29 Jul 2025 15:55:36 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 29 Jul 2025 15:54:35 -0700 In-Reply-To: <20250729225455.670324-1-seanjc@google.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250729225455.670324-1-seanjc@google.com> X-Mailer: git-send-email 2.50.1.552.g942d659e1b-goog Message-ID: <20250729225455.670324-5-seanjc@google.com> Subject: [PATCH v17 04/24] KVM: x86: Select TDX's KVM_GENERIC_xxx dependencies iff CONFIG_KVM_INTEL_TDX=y From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Oliver Upton , Sean Christopherson Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, Ira Weiny , Gavin Shan , Shivank Garg , Vlastimil Babka , Xiaoyao Li , David Hildenbrand , Fuad Tabba , Ackerley Tng , Tao Chan , James Houghton Content-Type: text/plain; charset="UTF-8" Select KVM_GENERIC_PRIVATE_MEM and KVM_GENERIC_MEMORY_ATTRIBUTES directly from KVM_INTEL_TDX, i.e. if and only if TDX support is fully enabled in KVM. There is no need to enable KVM's private memory support just because the core kernel's INTEL_TDX_HOST is enabled. Reviewed-by: Xiaoyao Li Reviewed-by: David Hildenbrand Signed-off-by: Sean Christopherson --- arch/x86/kvm/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 402ba00fdf45..13ab7265b505 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -95,8 +95,6 @@ config KVM_SW_PROTECTED_VM config KVM_INTEL tristate "KVM for Intel (and compatible) processors support" depends on KVM && IA32_FEAT_CTL - select KVM_GENERIC_PRIVATE_MEM if INTEL_TDX_HOST - select KVM_GENERIC_MEMORY_ATTRIBUTES if INTEL_TDX_HOST help Provides support for KVM on processors equipped with Intel's VT extensions, a.k.a. Virtual Machine Extensions (VMX). @@ -135,6 +133,8 @@ config KVM_INTEL_TDX bool "Intel Trust Domain Extensions (TDX) support" default y depends on INTEL_TDX_HOST + select KVM_GENERIC_PRIVATE_MEM + select KVM_GENERIC_MEMORY_ATTRIBUTES help Provides support for launching Intel Trust Domain Extensions (TDX) confidential VMs on Intel processors. -- 2.50.1.552.g942d659e1b-goog