From nobody Mon Feb 2 09:27:45 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1767841873; cv=none; d=zohomail.com; s=zohoarc; b=aHSLzItMxdTI7vztAwIKYLNjU1EuKosIlv3kmfmUFATi58e/5aATQURkQkQsy5ISwVEY/ZV4h5dgjAJWCMmruQ4FiaQcgNYHl9R5r3FD+Y777DZWmt5s+uoG2Pobjyd46kNiW1/FtZ+QZKqJc6EcYhRP5ByC/uo58xG9rhB3DCI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1767841873; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=Mliv3WAb+bsmXL0eV+0Dm8tah2BmFJ2507ZZpJaS2WA=; b=Bw68J9LSKDL98LfjFPFv0Lt76lNAbl1DjnjSBiEe1On68LV4NLLShx1zQ8s35I8I1rl5pEGdh4dcJhB7wGlZWHYMhToqfqaZOQVNtx3uCb1tWJle92LFB2eZwQwtSN420YFfvpIDTfCdYJSu7jX1Fe3gsT0+j+4+eYSAYKHGRUs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 17678418735541019.3343553824312; Wed, 7 Jan 2026 19:11:13 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vdgPv-00013o-23; Wed, 07 Jan 2026 22:10:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vdgP0-0006JM-5q; Wed, 07 Jan 2026 22:09:35 -0500 Received: from mgamail.intel.com ([198.175.65.9]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vdgOy-0005cZ-DN; Wed, 07 Jan 2026 22:09:33 -0500 Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jan 2026 19:09:29 -0800 Received: from liuzhao-optiplex-7080.sh.intel.com ([10.239.160.39]) by orviesa006.jf.intel.com with ESMTP; 07 Jan 2026 19:09:21 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767841772; x=1799377772; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WW3wMknALm2VrUHqeXw0nKdOWnuxpJr1LWEuBqml9t8=; b=fRS5/2vkNx+hdp8gT8YJiT7N5ds7cZydY7YIspEb1RzNn/JQeySwnU2h d/uaEqwiXo2DFBLwXENTPwhtwaoOzgAAqpR8sAwyzEkLqY8rAwDi7JiWJ dXwQu78Nh2/6PW6HpuxRWg6S9s6MMrfjWiO44SAiTJfFqYHu6LWqGb9iv XSIh8w04cW/qsGur+l0kfUrmHE3SduZbZT7dyXjH2YH0FUodecwEpDiBJ xHLdXh2sYLAwhV0yHPuzJXYoW6fPM4z+dTrKp8XXWXgQt9ILj25inDH55 a+YMEiZvtWF19gW/5KRCzClgef0Fluu02P/ynifeNf9PibMlz4qva7m4c g==; X-CSE-ConnectionGUID: k7sMdwwUSO67ifpYpQWC+Q== X-CSE-MsgGUID: 9PBjpPODR26ybmSPbNJbZg== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="91877657" X-IronPort-AV: E=Sophos;i="6.21,209,1763452800"; d="scan'208";a="91877657" X-CSE-ConnectionGUID: 6t31tzR6R2qxCswGscTRbw== X-CSE-MsgGUID: lL6gXO/EQgeFpv2jqTmjHg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,209,1763452800"; d="scan'208";a="202211253" From: Zhao Liu To: Paolo Bonzini , "Michael S . Tsirkin" , Igor Mammedov , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Marcel Apfelbaum , Thomas Huth Cc: qemu-devel@nongnu.org, devel@lists.libvirt.org, kvm@vger.kernel.org, qemu-riscv@nongnu.org, qemu-arm@nongnu.org, Richard Henderson , Sergio Lopez , Gerd Hoffmann , Peter Maydell , Laurent Vivier , Jiaxun Yang , Yi Liu , Eduardo Habkost , Alistair Francis , Daniel Henrique Barboza , Marcelo Tosatti , Weiwei Li , Amit Shah , Xiaoyao Li , Yanan Wang , Helge Deller , Palmer Dabbelt , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Ani Sinha , Fabiano Rosas , Liu Zhiwei , =?UTF-8?q?Cl=C3=A9ment=20Mathieu--Drif?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Huacai Chen , Jason Wang , Mark Cave-Ayland , BALATON Zoltan , Peter Krempa , Jiri Denemark , Zhao Liu Subject: [PATCH v6 25/27] hw/i386/intel_iommu: Remove IntelIOMMUState::buggy_eim field Date: Thu, 8 Jan 2026 11:30:49 +0800 Message-Id: <20260108033051.777361-26-zhao1.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260108033051.777361-1-zhao1.liu@intel.com> References: <20260108033051.777361-1-zhao1.liu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=198.175.65.9; envelope-from=zhao1.liu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1767841874645158500 From: Philippe Mathieu-Daud=C3=A9 The IntelIOMMUState::buggy_eim boolean was only set in the hw_compat_2_7[] array, via the 'x-buggy-eim=3Dtrue' property. We removed all machines using that array, lets remove that property, simplifying vtd_decide_config(). Reviewed-by: Mark Cave-Ayland Reviewed-by: Igor Mammedov Reviewed-by: Zhao Liu Signed-off-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Zhao Liu --- hw/i386/intel_iommu.c | 5 ++--- include/hw/i386/intel_iommu.h | 1 - 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 224b7b947906..2ed64bc6d968 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -4092,7 +4092,6 @@ static const Property vtd_properties[] =3D { DEFINE_PROP_UINT32("version", IntelIOMMUState, version, 0), DEFINE_PROP_ON_OFF_AUTO("eim", IntelIOMMUState, intr_eim, ON_OFF_AUTO_AUTO), - DEFINE_PROP_BOOL("x-buggy-eim", IntelIOMMUState, buggy_eim, false), DEFINE_PROP_UINT8("aw-bits", IntelIOMMUState, aw_bits, VTD_HOST_ADDRESS_WIDTH), DEFINE_PROP_BOOL("caching-mode", IntelIOMMUState, caching_mode, FALSE), @@ -5359,11 +5358,11 @@ static bool vtd_decide_config(IntelIOMMUState *s, E= rror **errp) } =20 if (s->intr_eim =3D=3D ON_OFF_AUTO_AUTO) { - s->intr_eim =3D (kvm_irqchip_in_kernel() || s->buggy_eim) + s->intr_eim =3D kvm_irqchip_in_kernel() && x86_iommu_ir_supported(x86_iommu) ? ON_OFF_AUTO_ON : ON_OFF_AUTO= _OFF; } - if (s->intr_eim =3D=3D ON_OFF_AUTO_ON && !s->buggy_eim) { + if (s->intr_eim =3D=3D ON_OFF_AUTO_ON) { if (kvm_irqchip_is_split() && !kvm_enable_x2apic()) { error_setg(errp, "eim=3Don requires support on the KVM side" "(X2APIC_API, first shipped in v4.7)"); diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h index ca7f7bb6618a..34ba13ffa8de 100644 --- a/include/hw/i386/intel_iommu.h +++ b/include/hw/i386/intel_iommu.h @@ -310,7 +310,6 @@ struct IntelIOMMUState { uint32_t intr_size; /* Number of IR table entries */ bool intr_eime; /* Extended interrupt mode enabled */ OnOffAuto intr_eim; /* Toggle for EIM cabability */ - bool buggy_eim; /* Force buggy EIM unless eim=3Doff */ uint8_t aw_bits; /* Host/IOVA address width (in bits) */ bool dma_drain; /* Whether DMA r/w draining enabled */ bool pasid; /* Whether to support PASID */ --=20 2.34.1