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Tue, 13 Jun 2023 09:20:02 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jun 2023 06:19:53 -0700 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.46]) by orsmga001.jf.intel.com with ESMTP; 13 Jun 2023 06:19:52 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686662400; x=1718198400; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pNFH4JwPCYF8TBeuPI1XWTw8Bh3QnsIP8OvvAgHWW74=; b=lvrF9/FxUv++Kc2o+jf3hg5yGxPkxuCmhPwk6yg5HjeNCjTBYAraZKna TvklHN4BIORyxB5jBZSh5wubm8PLt7Wmt2LYDIBYxQUOuuIkDSAR8tud8 NgNdVDYAe3ul38a5pT005fXTo0rO5wQEX2UCWdmTD1/h97CQIggdiwkgP rQPuFpIs8ZJ/qfBFb3MWJIQ47ZRbcqKkMn82OtN62/h8OFXH9XN7vXzQp xdr30t4qT3GFfzcoLlohL5f+zKkqE23MJ3sXZqaGtSZYM+g0DAiCMzd93 BdQ97gDDMXWvZnotkvbgfWERW0BukOe+sEhIHhSOIyqvSeDsgZGFkX0PS g==; X-IronPort-AV: E=McAfee;i="6600,9927,10740"; a="361696807" X-IronPort-AV: E=Sophos;i="6.00,239,1681196400"; d="scan'208";a="361696807" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10740"; a="744680318" X-IronPort-AV: E=Sophos;i="6.00,239,1681196400"; d="scan'208";a="744680318" From: Xiaoyao Li To: Paolo Bonzini , Marcelo Tosatti Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org Subject: [PATCH v2 1/3] i386/cpuid: Decrease cpuid_i when skipping CPUID leaf 1F Date: Tue, 13 Jun 2023 09:19:27 -0400 Message-Id: <20230613131929.720453-2-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230613131929.720453-1-xiaoyao.li@intel.com> References: <20230613131929.720453-1-xiaoyao.li@intel.com> MIME-Version: 1.0 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=134.134.136.65; envelope-from=xiaoyao.li@intel.com; helo=mga03.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, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1686662438811100002 Content-Type: text/plain; charset="utf-8" Decrease array index cpuid_i when CPUID leaf 1F is skipped, otherwise it will get an all zero'ed CPUID entry with leaf 0 and subleaf 0. It conflicts with correct leaf 0. Signed-off-by: Xiaoyao Li Reviewed-by:Yang Weijiang --- target/i386/kvm/kvm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index de531842f6b1..afa97799d89a 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1956,6 +1956,7 @@ int kvm_arch_init_vcpu(CPUState *cs) } case 0x1f: if (env->nr_dies < 2) { + cpuid_i--; break; } /* fallthrough */ --=20 2.34.1 From nobody Tue Feb 10 07:40:33 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=1686662437; cv=none; d=zohomail.com; s=zohoarc; b=hnOFdvyUMEpcglbeFLggJJxCrOVh20XnvAaK7qb2bSoJZbemz2EJJy+1cBnLSln5n/LgMJziZFxoGfwk2T3JNXU5jUxL+/WvdhKzXxFzavlM3ExLAhj3CVtPntLisFcPiG2DCeiJ7lgz0pyD2kPIzvb6NkTfuP3+6cBQZaT0IFs= ARC-Message-Signature: i=1; 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b=jo5DaGS7pesLxP2Ix7Bgl8T9G6UqiKv1WVD9MPtt7KuQUteMqjFcaOYn UovAL0hcBIzI/XTNeqxKexUTd09+Od+zFhWnBbAzfu/tItKGkqvm0TB2I eOxH6EDbamZAGMHaN7Wb1V+LeVOteO9PVI5AFb3CyVPOcUKITjkJLCjI5 WpI2c1lgk3hWguJc8cXtaO+bQ4yJBVH1SvafixFb0HPUjPXIRQuqaEi2Q TRFXQRBp3cR+kY6TY5HQwzUmVJH5CD6S+ngQw845h/7HBhRaiwBcfjnae zXjiVPNPBflxhyozq0bKZb4qIsS5Pp+7TOy8tS5seroqOfLQk6+TsQfyF A==; X-IronPort-AV: E=McAfee;i="6600,9927,10740"; a="361696813" X-IronPort-AV: E=Sophos;i="6.00,239,1681196400"; d="scan'208";a="361696813" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10740"; a="744680338" X-IronPort-AV: E=Sophos;i="6.00,239,1681196400"; d="scan'208";a="744680338" From: Xiaoyao Li To: Paolo Bonzini , Marcelo Tosatti Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org Subject: [PATCH v2 2/3] i386/cpuid: Remove subleaf constraint on CPUID leaf 1F Date: Tue, 13 Jun 2023 09:19:28 -0400 Message-Id: <20230613131929.720453-3-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230613131929.720453-1-xiaoyao.li@intel.com> References: <20230613131929.720453-1-xiaoyao.li@intel.com> MIME-Version: 1.0 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=134.134.136.65; envelope-from=xiaoyao.li@intel.com; helo=mga03.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, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1686662438810100001 Content-Type: text/plain; charset="utf-8" No such constraint that subleaf index needs to be less than 64. Signed-off-by: Xiaoyao Li Reviewed-by:Yang Weijiang --- target/i386/kvm/kvm.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index afa97799d89a..d7e235ce35a6 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1968,10 +1968,6 @@ int kvm_arch_init_vcpu(CPUState *cs) break; } =20 - if (i =3D=3D 0x1f && j =3D=3D 64) { - break; - } - c->function =3D i; c->flags =3D KVM_CPUID_FLAG_SIGNIFCANT_INDEX; c->index =3D j; --=20 2.34.1 From nobody Tue Feb 10 07:40:33 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=1686662481; cv=none; d=zohomail.com; s=zohoarc; b=mKX+fzbJZ+Fvb3DswhYZVJfdUNR8J985jj3MC8WpJ1aAOvIgkDcUwq7toP+cjIcCnyMyNKvb6uTMJ5b3h8OBLq5V7/5U6JA3IUt9PUjZQTk+5eTg2Y4u4kATmx7TGPw0nV9keCuDI8wKH5jeN337NtwU7yqulHFYVik3xPBiaPo= ARC-Message-Signature: i=1; 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b=Ch73WpI5DmhlWQon3TzUynZL49ltbFjLl6t4cb3YAQObrHpZbpuXapwA eiSbsm6Mm7n1znRbt7EuZ3blThU3fId9rhUizrn4p99AGCXx0kc1ptfMk S3SbeJWGkpmxJYcRdMUj/YVh2sDo23xeuyKmnLc/MVDz6vAbD4Kza32aU vKwihihFANeYFTXcjSuUkIcGzhD2YpwXy/hesjtLfWVaZ4VEbU7ckl5L2 H6hAF3cjmJgjbxImuJSGdy4DJUt6kyds94D5YUEDr+UhFD3nqiIIzkLwN Nim0EYE0i46qg71Ap43Xce9ktelInok2+swBiKLJMOz2ylFk/48Ia03eH w==; X-IronPort-AV: E=McAfee;i="6600,9927,10740"; a="361696825" X-IronPort-AV: E=Sophos;i="6.00,239,1681196400"; d="scan'208";a="361696825" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10740"; a="744680355" X-IronPort-AV: E=Sophos;i="6.00,239,1681196400"; d="scan'208";a="744680355" From: Xiaoyao Li To: Paolo Bonzini , Marcelo Tosatti Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org Subject: [PATCH v2 3/3] i386/cpuid: Move leaf 7 to correct group Date: Tue, 13 Jun 2023 09:19:29 -0400 Message-Id: <20230613131929.720453-4-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230613131929.720453-1-xiaoyao.li@intel.com> References: <20230613131929.720453-1-xiaoyao.li@intel.com> MIME-Version: 1.0 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=134.134.136.65; envelope-from=xiaoyao.li@intel.com; helo=mga03.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, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1686662482527100001 Content-Type: text/plain; charset="utf-8" CPUID leaf 7 was grouped together with SGX leaf 0x12 by commit b9edbadefb9e ("i386: Propagate SGX CPUID sub-leafs to KVM") by mistake. SGX leaf 0x12 has its specific logic to check if subleaf (starting from 2) is valid or not by checking the bit 0:3 of corresponding EAX is 1 or not. Leaf 7 follows the logic that EAX of subleaf 0 enumerates the maximum valid subleaf. Fixes: b9edbadefb9e ("i386: Propagate SGX CPUID sub-leafs to KVM") Signed-off-by: Xiaoyao Li Reviewed-by:Yang Weijiang --- target/i386/kvm/kvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index d7e235ce35a6..86aab9ca4ba2 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1993,7 +1993,6 @@ int kvm_arch_init_vcpu(CPUState *cs) c =3D &cpuid_data.entries[cpuid_i++]; } break; - case 0x7: case 0x12: for (j =3D 0; ; j++) { c->function =3D i; @@ -2013,6 +2012,7 @@ int kvm_arch_init_vcpu(CPUState *cs) c =3D &cpuid_data.entries[cpuid_i++]; } break; + case 0x7: case 0x14: case 0x1d: case 0x1e: { --=20 2.34.1