From nobody Sat Nov 15 23:36:31 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1746212619; cv=none; d=zohomail.com; s=zohoarc; b=ehGkBypR+BZqikt9jFKPxDTEF/w7/qf5+l3FTjYd+bOiNvbNQU2HoN1xKSsljEA64GqAcDr7tEzUvONf8eF8mrM7drey/wvKDwVXCT3L7sVl1W1BDTIfgsMwEVtem3/ZKqlFHF8R9l4bShReEazN8l0d2LyMKr1QrWxPefZ0EjQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1746212619; 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=ABC8+QfGyso1WyDvOcXI+0OZWgW+TnNwcrP3jxKT+bs=; b=lpgSR8snty2VaZ+O4g8MfxDJhIehAJuDQSLQBnIeDk539FM2YWwILrwEfWMwbNfsRCXChE4cW4qYZk8jT5fWw7ujGw736vwUOU5U0uQO7GI/4iJPB+XLyVil2RimYSMJNaI1bXjccVYTYAhcm2CikpWMlWVgwzIxnJN5uehdfXg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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 1746212619650404.38133000047435; Fri, 2 May 2025 12:03:39 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uAvar-0007LK-Q9; Fri, 02 May 2025 14:58:42 -0400 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 1uAvad-0006Qv-Tg for qemu-devel@nongnu.org; Fri, 02 May 2025 14:58:28 -0400 Received: from mail-ej1-x62e.google.com ([2a00:1450:4864:20::62e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uAvab-0005el-MT for qemu-devel@nongnu.org; Fri, 02 May 2025 14:58:27 -0400 Received: by mail-ej1-x62e.google.com with SMTP id a640c23a62f3a-aca99fc253bso369738166b.0 for ; Fri, 02 May 2025 11:58:23 -0700 (PDT) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ad18950830csm84058166b.124.2025.05.02.11.58.20 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 02 May 2025 11:58:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1746212302; x=1746817102; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ABC8+QfGyso1WyDvOcXI+0OZWgW+TnNwcrP3jxKT+bs=; b=RL7w98xih3fjFfElmNHdixUCO/AJpZ3/GBJBsKCH5V9vcGXmN/KbnRktUVkQVeONRT L427/3QkkRGhV4mlJDosO0OFuEuOZsngS5X9Nh9bEtwU4nugPCABfkD+4N+vqajdaEje vNQmtfhaYyHuT31FxKWIMcccbQAxP4LONbGWnutZYm46N6N7fS315o6QgnwCJni6x/bB ysIrml2BayGqWVFKLEq02SHakh02tRWMCB/s2Uu0xfaxs8YHCVNb5XWlOADX/Dgua4st knpD/GNqgneVrks/Vhn39t2AqIu7QB+wk6xlGIN+oUm5GVk+bUoNK+kiQMjwnhO5WybP earA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746212302; x=1746817102; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ABC8+QfGyso1WyDvOcXI+0OZWgW+TnNwcrP3jxKT+bs=; b=kySE8vy/LpXYFO/rEYY8ySCCi/8+n6z0Iveilx3ViBmJZh7emahFT9obMZ0360kJyi w8NOVI+mXRcNyGUZoO98MFVGFXFgmzXzp3/g3NAB0oLI86E4SdWbanTQZHx8uPbp/GHr B2yb5eFUb4gBeOZ609k9Sy2sqweW/k9Lrh74cBl78owuxzEe9uTorCN+bt7Z7WlSwbwU c55W+jPFJ+gIVTWVtybTC7ecXv2vAmerYMKaNNs9tbs+T6S26paO/JK5KDS58OE40GHD A8QZWwfG2UJu/YwdoTcoAAxHdxHrPwI3CLm5kvbAhFxUs17L3KuJs4WT+IUsJnmsZAUZ dgig== X-Gm-Message-State: AOJu0YxGUn5ZybNd7Zgv4wOuWCXeVePWBqTDyVuvXV4x0ic4F56Rc8KF j4omUbQZt5F3KoZxJJ5VZZLXOB8D5uaj+NVIuO5UGUWwK+ogpgpeMb8cT8xx965D+yRWaWl+gB1 Q X-Gm-Gg: ASbGncszMPZDduNccekIVqzY/4WNO0tP+IvuucckvBk/atk0KVA185H1Np0USt4Bo30 D+h9y6iAwR8Egd52eepHou2s+sxGx4gBnYiDvQkuc+O+DVYVRUNlidruE/5CD/i1K7dZNLLZmBj CzKdgAuUFpBDVK49etSTIfnMlsKoS7yP6gEclZo5jiys7/ILGzMvruahkdElh3z2iao8Dram7aK D+YCugSLk+nKcPFSGj196c7+svk730TzrEva0I6BNnY6omacMOpUaqosM4RUoFfV+vuRgYOK4PI L/QJzOfwQ4/bDF0qiY0xluN6F8eqvQY0VtWbqLCZ4xtXMXGwqF/WWFN8vLnBTJ3bgiupCg7lvwC GiMJeu73eru/Ghy6da2ai X-Google-Smtp-Source: AGHT+IEa6dQWqraimJIsF2zuuhgShfG2AxC1Jl46LPV84Msdt0/W0Ub0k1nlQBHreLFL1jBlNVLYyw== X-Received: by 2002:a17:907:94c1:b0:aca:d6f2:5d5 with SMTP id a640c23a62f3a-ad17af8f6famr328521366b.39.1746212302362; Fri, 02 May 2025 11:58:22 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier , Igor Mammedov , Huacai Chen , Amit Shah , Marcel Apfelbaum , Sergio Lopez , Ani Sinha , Paolo Bonzini , Eduardo Habkost , Jiaxun Yang , Jason Wang , Richard Henderson , Yanan Wang , Gerd Hoffmann , =?UTF-8?q?Cl=C3=A9ment=20Mathieu--Drif?= , Zhao Liu , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Yi Liu , "Michael S. Tsirkin" , Mark Cave-Ayland Subject: [PATCH v3 15/19] hw/i386/intel_iommu: Remove IntelIOMMUState::buggy_eim field Date: Fri, 2 May 2025 20:56:47 +0200 Message-ID: <20250502185652.67370-16-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250502185652.67370-1-philmd@linaro.org> References: <20250502185652.67370-1-philmd@linaro.org> 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 client-ip=2a00:1450:4864:20::62e; envelope-from=philmd@linaro.org; helo=mail-ej1-x62e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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 @linaro.org) X-ZM-MESSAGEID: 1746212620145019000 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(). Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Mark Cave-Ayland --- include/hw/i386/intel_iommu.h | 1 - hw/i386/intel_iommu.c | 5 ++--- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h index e95477e8554..29304329d05 100644 --- a/include/hw/i386/intel_iommu.h +++ b/include/hw/i386/intel_iommu.h @@ -303,7 +303,6 @@ 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 dma_translation; /* Whether DMA translation supported */ diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 5f8ed1243d1..c980cecb4ee 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -3823,7 +3823,6 @@ 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), @@ -4731,11 +4730,11 @@ 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)"); --=20 2.47.1