From nobody Wed Feb 11 04:18:48 2026 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 59BF66AD7 for ; Sat, 18 May 2024 00:04:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715990682; cv=none; b=uRsUTLswFJZ/YaqY/wyD8zLcCH32qN/bECmhjtw6oqhgZev9FGtKZSicklLYcNCtopcea4ybQTy5m/x1Uq+uOiTfll6xC8kcRshBGPcoS7W6ORkuV+Z1F4bRASgkRnQNAUpnwU5rqCTGDoGaNuBbj8TzxBzPrnJ9OTdmN+qF5CU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715990682; c=relaxed/simple; bh=ZZiN6+e15dQN6MMssxaWW8K/IugjsD8kYnxv2JER8Sw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=Bkl15FkvvTHOZVur9195o5Ren7dECcDKcXMsI/IVJ5GlCLpch3JbmXvXQxv6JetujfOV60CxeVrgUsgBfnZcpB9NuDnPHpkUzdkt80XWu5elw+vsXtoGn+cvbbzDfGTnCA7foFCb82YEOruMIlakPmmx5dXe0OuLx7xDMRjmGEc= 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=102onJoX; arc=none smtp.client-ip=209.85.128.201 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="102onJoX" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-61be23bb01aso205246297b3.2 for ; Fri, 17 May 2024 17:04:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1715990679; x=1716595479; 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=55Fpx2MIulH1TJ9s55duhi3yhB4vtlMWdhuL3vC3xBQ=; b=102onJoXcHKtnZIhIvcFD1NxbGYQaWUDYwUBOb5zjT1Twet3+CU98Ozq1ygilfSclm jQDpux1E4rmrG/gGDfrDilnBq5eKZIDze3qjoEl+DhEWMVCMcDAr10IIwIyF8GF9qnym kNZ282emV3bX/dsjxsY8mg0QcuSBfpl+gYKVMa9igy1P6WiOCqfeiL5UoDcZ8JGvLnk5 2grc237SlimHtbE4VJtygDVbWF72+4G3rx83003OVjI5XVwe1xPBIZ27hgTNwacnWW+p j9fGSgJBc9fXyvQb+6Sd7T2q3LHl7CaxlJKCXjDEtshat1K96p1gHRb5j34y0zSGYE8c juJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715990679; x=1716595479; 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=55Fpx2MIulH1TJ9s55duhi3yhB4vtlMWdhuL3vC3xBQ=; b=wW4dS/YvOwjqnqFTh8m/HOuJgsTUVrd+aKh2d1z4eAYIWWyL6PCcUce+Dh+jhsjx4B YnrY+6QqLzmCYc0OzojUItdNJYxBQpwp/U5h0XW1MmbLX3P5vs3Gf4/indu0nKowkxuX M+FcKYUriAZRwfPd8nE01nstkMuqkoBcmXI+bC6/sPoveE1TemXzwkD0gObEqg8x911i 8lUfTOKJY3lu0YCtFGC4ueENtzKQJxeSmKfkviZAPaKKCnTf3QT6zDRsWRwcIKhi6rHS zfteAmYWUs0CaEWtiHJlNXa0JdRO7timoBpBJCFxU+hTmp5zZQC2DMl/3JhSuFeXTOyt B4jQ== X-Forwarded-Encrypted: i=1; AJvYcCU1qRNFW1JDSPn9gE1axs0eKKpRbRoyFTSBJGSyVteUI5cz7OppNg3GqzM+5sMLUzRrrv7oQd8XSM4+4MrdU1x7PX611Jy5haIe9fAb X-Gm-Message-State: AOJu0YwvrhsAgLYJAg2chq//Thx42PRm7KKvX7q0xO0lFWf8/an1z89P Ep5dhtuw9gk2mtpkoqwLmjo8nKtTdEmVVuocw4OTpPFBlDQYxxkR4+71ArL/XHsI78nWkEfPxT7 cdw== X-Google-Smtp-Source: AGHT+IFiVlGymQzpow3h8j4sNOJKTfw4H5KxXwAelQPEmYeQwtXrj3JO1q9+VPmJJ7oNI5OfSrZMzmiPyrA= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a05:690c:338c:b0:61b:ea08:111f with SMTP id 00721157ae682-622aff9d4cdmr58113437b3.6.1715990679473; Fri, 17 May 2024 17:04:39 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 17 May 2024 17:04:23 -0700 In-Reply-To: <20240518000430.1118488-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240518000430.1118488-1-seanjc@google.com> X-Mailer: git-send-email 2.45.0.215.g3402c0e53f-goog Message-ID: <20240518000430.1118488-3-seanjc@google.com> Subject: [PATCH 2/9] KVM: nVMX: Initialize #VE info page for vmcs02 when proving #VE support From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Point vmcs02.VE_INFORMATION_ADDRESS at the vCPU's #VE info page when initializing vmcs02, otherwise KVM will run L2 with EPT Violation #VE enabled and a VE info address pointing at pfn 0. Fixes: 8131cf5b4fd8 ("KVM: VMX: Introduce test mode related to EPT violatio= n VE") Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/nested.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index d5b832126e34..6798fadaa335 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2242,6 +2242,9 @@ static void prepare_vmcs02_constant_state(struct vcpu= _vmx *vmx) vmcs_write64(EPT_POINTER, construct_eptp(&vmx->vcpu, 0, PT64_ROOT_4LEVEL)); =20 + if (vmx->ve_info) + vmcs_write64(VE_INFORMATION_ADDRESS, __pa(vmx->ve_info)); + /* All VMFUNCs are currently emulated through L0 vmexits. */ if (cpu_has_vmx_vmfunc()) vmcs_write64(VM_FUNCTION_CONTROL, 0); --=20 2.45.0.215.g3402c0e53f-goog