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a="65572546" X-IronPort-AV: E=Sophos;i="6.19,317,1754982000"; d="scan'208";a="65572546" X-CSE-ConnectionGUID: 4v6YAkJQTDSFIzHNcnzBLg== X-CSE-MsgGUID: pe2+VRDpSYSFeVJ1cGoFxg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,317,1754982000"; d="scan'208";a="191296123" From: Zhao Liu To: Paolo Bonzini , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Cc: qemu-devel@nongnu.org, Xudong Hao , Zhao Liu Subject: [PATCH 05/10] i386/cpu: Add a helper to get host avx10 version Date: Thu, 20 Nov 2025 15:10:25 +0800 Message-Id: <20251120071030.961230-6-zhao1.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251120071030.961230-1-zhao1.liu@intel.com> References: <20251120071030.961230-1-zhao1.liu@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=192.198.163.17; 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_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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: 1763621393447018900 Content-Type: text/plain; charset="utf-8" Factor out a helper to get host avx10 version, to reduce duplicate codes. Tested-by: Xudong Hao Signed-off-by: Zhao Liu --- target/i386/cpu.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index f0ed575dce59..118ce43e4267 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7757,6 +7757,13 @@ CpuDefinitionInfoList *qmp_query_cpu_definitions(Err= or **errp) =20 #endif /* !CONFIG_USER_ONLY */ =20 +static uint8_t x86_cpu_get_host_avx10_version(void) +{ + uint32_t eax, ebx, ecx, edx; + x86_cpu_get_supported_cpuid(0x24, 0, &eax, &ebx, &ecx, &edx); + return ebx & 0xff; +} + uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w) { FeatureWordInfo *wi =3D &feature_word_info[w]; @@ -9255,11 +9262,10 @@ void x86_cpu_expand_features(X86CPU *cpu, Error **e= rrp) } =20 if ((env->features[FEAT_7_1_EDX] & CPUID_7_1_EDX_AVX10) && !env->a= vx10_version) { - uint32_t eax, ebx, ecx, edx; - x86_cpu_get_supported_cpuid(0x24, 0, &eax, &ebx, &ecx, &edx); + uint8_t version =3D x86_cpu_get_host_avx10_version(); =20 if (!object_property_set_uint(OBJECT(cpu), "avx10-version", - ebx & 0xff, errp)) { + version, errp)) { return; } } @@ -9481,9 +9487,7 @@ static bool x86_cpu_filter_features(X86CPU *cpu, bool= verbose) have_filtered_features =3D x86_cpu_have_filtered_features(cpu); =20 if (env->features[FEAT_7_1_EDX] & CPUID_7_1_EDX_AVX10) { - x86_cpu_get_supported_cpuid(0x24, 0, - &eax_0, &ebx_0, &ecx_0, &edx_0); - uint8_t version =3D ebx_0 & 0xff; + uint8_t version =3D x86_cpu_get_host_avx10_version(); =20 if (version < env->avx10_version) { if (prefix) { --=20 2.34.1