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a="25584490" X-IronPort-AV: E=Sophos;i="6.09,288,1716274800"; d="scan'208";a="25584490" X-CSE-ConnectionGUID: sbz+iBpqTWSIEzia/8Shwg== X-CSE-MsgGUID: X6d4oiFnSamnUzsFLavRKA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,288,1716274800"; d="scan'208";a="59048958" From: Xiaoyao Li To: Paolo Bonzini , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, xiaoyao.li@intel.com Subject: [PATCH 6/9] i386/cpu: Set topology info in 0x80000008.ECX only for AMD CPUs Date: Wed, 14 Aug 2024 03:54:28 -0400 Message-Id: <20240814075431.339209-7-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240814075431.339209-1-xiaoyao.li@intel.com> References: <20240814075431.339209-1-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=198.175.65.15; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -44 X-Spam_score: -4.5 X-Spam_bar: ---- X-Spam_report: (-4.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.125, 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: 1723622696250116600 Content-Type: text/plain; charset="utf-8" The whole ECX of CPUID 0x80000008 is reserved for Intel. Signed-off-by: Xiaoyao Li --- target/i386/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 5bee84333089..7a4835289760 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6944,7 +6944,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, = uint32_t count, *eax |=3D (cpu->guest_phys_bits << 16); } *ebx =3D env->features[FEAT_8000_0008_EBX]; - if (threads_per_pkg > 1) { + if (threads_per_pkg > 1 && IS_AMD_CPU(env)) { /* * Bits 15:12 is "The number of bits in the initial * Core::X86::Apic::ApicId[ApicId] value that indicate --=20 2.34.1