{"id":2229658,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2229658/?format=json","web_url":"http://patchwork.ozlabs.org/project/openvswitch/patch/20260428151926.3798626-7-i.maximets@ovn.org/","project":{"id":47,"url":"http://patchwork.ozlabs.org/api/1.1/projects/47/?format=json","name":"Open vSwitch","link_name":"openvswitch","list_id":"ovs-dev.openvswitch.org","list_email":"ovs-dev@openvswitch.org","web_url":"http://openvswitch.org/","scm_url":"git@github.com:openvswitch/ovs.git","webscm_url":"https://github.com/openvswitch/ovs"},"msgid":"<20260428151926.3798626-7-i.maximets@ovn.org>","date":"2026-04-28T15:19:11","name":"[ovs-dev,6/6] cpu: Remove now unused module.","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c01960e6c04be193bc751a5eaa36ac4f37025f24","submitter":{"id":76798,"url":"http://patchwork.ozlabs.org/api/1.1/people/76798/?format=json","name":"Ilya Maximets","email":"i.maximets@ovn.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/openvswitch/patch/20260428151926.3798626-7-i.maximets@ovn.org/mbox/","series":[{"id":501877,"url":"http://patchwork.ozlabs.org/api/1.1/series/501877/?format=json","web_url":"http://patchwork.ozlabs.org/project/openvswitch/list/?series=501877","date":"2026-04-28T15:19:05","name":"dpif-netdev: Remove deprecated AVX512-based optimizations.","version":1,"mbox":"http://patchwork.ozlabs.org/series/501877/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2229658/comments/","check":"success","checks":"http://patchwork.ozlabs.org/api/patches/2229658/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","ovs-dev@openvswitch.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ovs-dev@lists.linuxfoundation.org"],"Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::136; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ovs-dev-bounces@openvswitch.org","Sender":"\"dev\" "},"content":"This module was in use by AVX512-specific functionality that is all\nremoved now.\n\nSigned-off-by: Ilya Maximets \n---\n lib/automake.mk | 2 --\n lib/cpu.c | 71 -------------------------------------------------\n lib/cpu.h | 35 ------------------------\n 3 files changed, 108 deletions(-)\n delete mode 100644 lib/cpu.c\n delete mode 100644 lib/cpu.h","diff":"diff --git a/lib/automake.mk b/lib/automake.mk\nindex adeffa10b..42e842dee 100644\n--- a/lib/automake.mk\n+++ b/lib/automake.mk\n@@ -64,8 +64,6 @@ lib_libopenvswitch_la_SOURCES = \\\n \tlib/cooperative-multitasking-private.h \\\n \tlib/coverage.c \\\n \tlib/coverage.h \\\n-\tlib/cpu.c \\\n-\tlib/cpu.h \\\n \tlib/crc32c.c \\\n \tlib/crc32c.h \\\n \tlib/csum.c \\\ndiff --git a/lib/cpu.c b/lib/cpu.c\ndeleted file mode 100644\nindex fbbea4005..000000000\n--- a/lib/cpu.c\n+++ /dev/null\n@@ -1,71 +0,0 @@\n-/*\n- * Copyright (c) 2021, Red Hat, Inc.\n- *\n- * Licensed under the Apache License, Version 2.0 (the \"License\");\n- * you may not use this file except in compliance with the License.\n- * You may obtain a copy of the License at:\n- *\n- * http://www.apache.org/licenses/LICENSE-2.0\n- *\n- * Unless required by applicable law or agreed to in writing, software\n- * distributed under the License is distributed on an \"AS IS\" BASIS,\n- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n- * See the License for the specific language governing permissions and\n- * limitations under the License.\n- */\n-\n-#include \n-\n-#include \"cpu.h\"\n-#include \"openvswitch/compiler.h\"\n-\n-#ifdef __x86_64__\n-#include \n-#include \n-\n-#include \"openvswitch/util.h\"\n-\n-enum x86_reg {\n- EAX,\n- EBX,\n- ECX,\n- EDX,\n-};\n-#define X86_LEAF_MASK 0x80000000\n-#define X86_EXT_FEATURES_LEAF 0x00000007\n-static bool x86_has_isa(uint32_t leaf, enum x86_reg reg, uint32_t bit)\n-{\n- uint32_t regs[4];\n-\n- if (__get_cpuid_max(leaf & X86_LEAF_MASK, NULL) < leaf) {\n- return false;\n- }\n-\n- __cpuid_count(leaf, 0, regs[EAX], regs[EBX], regs[ECX], regs[EDX]);\n- return (regs[reg] & ((uint32_t) 1 << bit)) != 0;\n-}\n-\n-static bool x86_isa[OVS_CPU_ISA_X86_LAST - OVS_CPU_ISA_X86_FIRST + 1];\n-#define X86_ISA(leaf, reg, bit, name) \\\n-OVS_CONSTRUCTOR(cpu_isa_ ## name) { \\\n- x86_isa[name - OVS_CPU_ISA_X86_FIRST] = x86_has_isa(leaf, reg, bit); \\\n-}\n-X86_ISA(X86_EXT_FEATURES_LEAF, EBX, 8, OVS_CPU_ISA_X86_BMI2)\n-X86_ISA(X86_EXT_FEATURES_LEAF, EBX, 16, OVS_CPU_ISA_X86_AVX512F)\n-X86_ISA(X86_EXT_FEATURES_LEAF, EBX, 30, OVS_CPU_ISA_X86_AVX512BW)\n-X86_ISA(X86_EXT_FEATURES_LEAF, ECX, 1, OVS_CPU_ISA_X86_AVX512VBMI)\n-X86_ISA(X86_EXT_FEATURES_LEAF, ECX, 14, OVS_CPU_ISA_X86_VPOPCNTDQ)\n-X86_ISA(X86_EXT_FEATURES_LEAF, EBX, 31, OVS_CPU_ISA_X86_AVX512VL)\n-#endif\n-\n-bool\n-cpu_has_isa(enum ovs_cpu_isa isa OVS_UNUSED)\n-{\n-#ifdef __x86_64__\n- if (isa >= OVS_CPU_ISA_X86_FIRST &&\n- isa <= OVS_CPU_ISA_X86_LAST) {\n- return x86_isa[isa - OVS_CPU_ISA_X86_FIRST];\n- }\n-#endif\n- return false;\n-}\ndiff --git a/lib/cpu.h b/lib/cpu.h\ndeleted file mode 100644\nindex 3215229bc..000000000\n--- a/lib/cpu.h\n+++ /dev/null\n@@ -1,35 +0,0 @@\n-/*\n- * Copyright (c) 2021, Red Hat, Inc.\n- *\n- * Licensed under the Apache License, Version 2.0 (the \"License\");\n- * you may not use this file except in compliance with the License.\n- * You may obtain a copy of the License at:\n- *\n- * http://www.apache.org/licenses/LICENSE-2.0\n- *\n- * Unless required by applicable law or agreed to in writing, software\n- * distributed under the License is distributed on an \"AS IS\" BASIS,\n- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n- * See the License for the specific language governing permissions and\n- * limitations under the License.\n- */\n-\n-#ifndef CPU_H\n-#define CPU_H 1\n-\n-#include \n-\n-enum ovs_cpu_isa {\n- OVS_CPU_ISA_X86_FIRST,\n- OVS_CPU_ISA_X86_BMI2 = OVS_CPU_ISA_X86_FIRST,\n- OVS_CPU_ISA_X86_AVX512F,\n- OVS_CPU_ISA_X86_AVX512BW,\n- OVS_CPU_ISA_X86_AVX512VBMI,\n- OVS_CPU_ISA_X86_AVX512VL,\n- OVS_CPU_ISA_X86_VPOPCNTDQ,\n- OVS_CPU_ISA_X86_LAST = OVS_CPU_ISA_X86_VPOPCNTDQ,\n-};\n-\n-bool cpu_has_isa(enum ovs_cpu_isa);\n-\n-#endif /* CPU_H */\n","prefixes":["ovs-dev","6/6"]}