From nobody Thu Apr 2 06:28:46 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD472428823; Thu, 5 Mar 2026 17:44:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772732692; cv=none; b=ZUM7g18QxUWzP16cS+REzwBWnYDvxrJ1iLK4V4yHujy07jmqOnYUSesUf4ciBxQcAR/24eG8PJZwQ+7htyk7tOSbhjbYY93x1zumgtz4fUAqpm5Kk1SXdNHI4uYb+ogRK1B3FtaUMzCb0U/YOit9+1eJcm905zgDtQ+7I+yi0bQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772732692; c=relaxed/simple; bh=DpdvT4loSRtnqsfH5MCvFkTqHKXLyWdscTJIsNn82z0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ug/gmJE1FeM7S9Aa8qXbYOmC/LZoPasrE/AN0XBn3fGo3RX10D+ohZyg2v5FjNw9Bog9QYgexNSLHxSgpwgo7yM27+AEqXeVDODyZEsNookdDZyz/zf6o9R4g06zlrK5TZ2UYLvxiORD5IDpsTnPkQ0wqrxFmPR3g4g5xWmJ9FU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=XHexieip; arc=none smtp.client-ip=198.175.65.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="XHexieip" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772732690; x=1804268690; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DpdvT4loSRtnqsfH5MCvFkTqHKXLyWdscTJIsNn82z0=; b=XHexieipkYAmqwtNIOkygGim3dlflrRNVtTfqTuDiiwPscNjjrG1O8Cu f7vGC+nj/wDwb0bkExxePCcRJlvsnGsyHhLxvLQ76M82zpALIIjfZW5B8 ZFIcAR4dD7e8R85aCJYvDncFaA4G8ohJDfJL99pzjEaERQjTZ9YgBGPk8 Z4l8viFoKvc8/EcE16GqFny0VHa4u5JZHyTIcI7Hkl5r/vXyK3J2yLQtH frQpI6pFMV2ym8DY144HHpExBF/lw1At1NQCl38PUG4Vp9sLIkIagLWP6 j0BX91oLXNKxfDbnjTDuXmrzVNNjnkCxMXQs8aYMq7AB68Xo6vQixdA11 Q==; X-CSE-ConnectionGUID: xvX6Bre6SZ6x28QzwbWIbA== X-CSE-MsgGUID: 5TKVszEmRgW+kZuI4MFZnw== X-IronPort-AV: E=McAfee;i="6800,10657,11720"; a="85301946" X-IronPort-AV: E=Sophos;i="6.23,103,1770624000"; d="scan'208";a="85301946" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2026 09:44:47 -0800 X-CSE-ConnectionGUID: ZO75T+yNS26b3/26mqgKPg== X-CSE-MsgGUID: w0SNUiuzRGCiEqHZ+rEwKQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,103,1770624000"; d="scan'208";a="222896514" Received: from mdroper-mobl2.amr.corp.intel.com (HELO localhost) ([10.124.220.244]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2026 09:44:43 -0800 From: isaku.yamahata@intel.com To: kvm@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, Paolo Bonzini , Sean Christopherson , linux-kernel@vger.kernel.org Subject: [PATCH v2 22/36] KVM: VMX: Enable APIC timer virtualization Date: Thu, 5 Mar 2026 09:44:02 -0800 Message-ID: <9a50051868ffc58a831e784f6fefe31968f062fc.1772732517.git.isaku.yamahata@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata Don't clear TERTIARY_EXEC_GUEST_APIC_TIMER bit unconditionally from KVM_OPTIONAL_VMX_TERTIARY_VM_EXEC_CONTROL when calculating supported bit. Signed-off-by: Isaku Yamahata --- Changes: v1 -> v2: - Move the bit disable to the caller of adjust_vmx_controls64() to avoid compile time error because KVM_OPTIONAL_VMX_TERTIARY_VM_EXEC_CONTROL is used for compile time check. --- arch/x86/kvm/vmx/vmx.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index e665fc7f3377..b3974125a902 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -2801,15 +2801,7 @@ static int setup_vmcs_config(struct vmcs_config *vmc= s_conf, =20 if (_cpu_based_exec_control & CPU_BASED_ACTIVATE_TERTIARY_CONTROLS) _cpu_based_3rd_exec_control =3D - adjust_vmx_controls64(KVM_OPTIONAL_VMX_TERTIARY_VM_EXEC_CONTROL - /* - * Disable apic timer - * virtualization until the logic - * is imlemented. - * Once it's supported, add - * TERTIARY_EXEC_GUEST_APIC_TIMER. - */ - & ~TERTIARY_EXEC_GUEST_APIC_TIMER, + adjust_vmx_controls64(KVM_OPTIONAL_VMX_TERTIARY_VM_EXEC_CONTROL, MSR_IA32_VMX_PROCBASED_CTLS3); =20 if (!IS_ENABLED(CONFIG_X86_64) || --=20 2.45.2