From nobody Wed Feb 11 04:18:49 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 40161C13C for ; Sat, 18 May 2024 00:04:42 +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=1715990683; cv=none; b=ctav/fprY5URNuQGtz4nmzI04q+1zmXvVG2WbLX40zwSjCfKBJ76D4nlD52Cq2uYKn9OJnLf7qwwWb0X2GiyMQcbUrbeCvtUSKDAfwSuJItwJTM/zOCxsekIZrBPP/AK2vf2icj36TtcAkApKswXYPYQb8px/ymwTpkGPZ36FIc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715990683; c=relaxed/simple; bh=KJtLDlzQg0wy9e57GzodTPJt6UlMTvdQZUilMOrGkZg=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=ufjo+3yHO+ic4Ptia1CVxKBkod2JAnPNQiePGQkqy2q5GQfZ+qOgaXA1LOFGSZD9H75XEaJEsg6CwDiAX/Yxe6sdWuZbjGIa/QpgVRHssQQOAEG3CaN7Tax2Brn8xTsmJAxvvICPszVEDTnHlGczUJHSROqjF9geerFEe5Ozoss= 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=NhbH19bc; 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="NhbH19bc" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-61dfa4090c1so152972967b3.3 for ; Fri, 17 May 2024 17:04:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1715990681; x=1716595481; 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=GM5SO5v27GV7rdeXp4FaIGBag6GhBo/t/KPBUjUr/dw=; b=NhbH19bcmfe4ldcoAO3NE9GVpwtCA6D9eAfUCFgbuyxwEH2yeq/TwObXqgo/sL8Znp 7gx9NdSpsG8F7vCFm1kGnzLl104nxADxXwzF4pfn83qTffGUicz8cpG1inMABCQ7EtCE sFS/0mGym5xAIup5YYUqdLtrjqmJQ7FMN/ynlBT/u/RdxShDwKqfNc59BWKWo1ZU7AHj n3O859kUxlvtmZFB7T56pqERplAGe8F73As0/dfJO+aBL5ZMeaibla46nC/swC5NTf6I q74w3wOGfgqr+UMM/8rCW2lt85mfphBemUrvjMcdGIZ+71iGbDBD3pVNKCE1BxFdw3oy tE7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715990681; x=1716595481; 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=GM5SO5v27GV7rdeXp4FaIGBag6GhBo/t/KPBUjUr/dw=; b=ZCcyO7AZdefR03lUcx34vQW5erDBCjFoR0NbiM1PIahtnbwP7qU3aIYax8WEm9JTMd jBBHBeSaRQV17YrnQckmNF/k63naz55qYI+QCazyB7Rf6c0lCA9lYXd85JvxB1NcbYnM yzMAKDFpg6mPE7LF46SxdmAVIBqkXqXK1nNlW2g8QK65w98A/LwGVLWj9UsdoOF+7iZ7 igRoqh9Laj4XYsdqfbWKsukM1EF6HU6WM6Noq30pDrn0KaapVc0BqlbG2Wggv9uoEVT+ B+7npPK/AMGCFutUgVbVGvfWM6OZoxyLprhRSjDhdbkp1FYBX/LOXhKX+4VBrilz9w8o GM3g== X-Forwarded-Encrypted: i=1; AJvYcCXi7ETKsbnCbVvJm02M8CTmIbx/PjGbiTEG6v5IsqJdza59aq89eTeY0U/EgOB0q/xDcoqNFfTblyK8Ive1RdekG9iCyiDUqAoisujY X-Gm-Message-State: AOJu0YywFuRaibTLZ4biDGuvC62vrtY0wvUKPHFCn38c31OBbF3KK02X u1usbbqXuCGaY+2q4EMmasxEN6Xqxxv9a0cC8ttBr5JRfd0PZ00qq6CQz1Y5+43i4OMLD5WKQ55 opQ== X-Google-Smtp-Source: AGHT+IFuoSzVp7PcfFD1Q1RorBxgwCQkq06IFSmtCXpMTO3G31frkl5Q+wTnbphKiOylmI+xCkIbpuIbE84= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a0d:dd85:0:b0:627:7563:95b1 with SMTP id 00721157ae682-6277563967cmr14645877b3.5.1715990681328; Fri, 17 May 2024 17:04:41 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 17 May 2024 17:04:24 -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: <20240518000430.1118488-4-seanjc@google.com> Subject: [PATCH 3/9] KVM: nVMX: Always handle #VEs in L0 (never forward #VEs from L2 to L1) 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" Always handle #VEs, e.g. due to prove EPT Violation #VE failures, in L0, as KVM does not expose any #VE capabilities to L1, i.e. any and all #VEs are KVM's responsibility. Fixes: 8131cf5b4fd8 ("KVM: VMX: Introduce test mode related to EPT violatio= n VE") Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/nested.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 6798fadaa335..643935a0f70a 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -6233,6 +6233,8 @@ static bool nested_vmx_l0_wants_exit(struct kvm_vcpu = *vcpu, else if (is_alignment_check(intr_info) && !vmx_guest_inject_ac(vcpu)) return true; + else if (is_ve_fault(intr_info)) + return true; return false; case EXIT_REASON_EXTERNAL_INTERRUPT: return true; --=20 2.45.0.215.g3402c0e53f-goog