diff --git a/third_party/apply-patches.sh b/third_party/apply-patches.sh
deleted file mode 100755
index 91eb6508..00000000
--- a/third_party/apply-patches.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/bash
-set -e
-
-function apply_cpuinfo_patches() {
-    if [ -d "./cpuinfo" ]; then
-        cp ./patches/cpuinfo-multi-commits.patch cpuinfo/
-        pushd cpuinfo >/dev/null
-        git config user.name "$1"
-        git config user.email "$2"
-        git am cpuinfo-multi-commits.patch
-        rm cpuinfo-multi-commits.patch
-        popd >/dev/null
-    else
-        echo "cpuinfo not exist, can not apply patches."
-        echo "pls run: 'git submodule update --init cpuinfo' first."
-        exit -1
-    fi
-}
diff --git a/third_party/patches/cpuinfo-multi-commits.patch b/third_party/patches/cpuinfo-multi-commits.patch
deleted file mode 100644
index f522c9c2..00000000
--- a/third_party/patches/cpuinfo-multi-commits.patch
+++ /dev/null
@@ -1,343 +0,0 @@
-From 20b885be9c76232f4d25ae9fe6c685861736a747 Mon Sep 17 00:00:00 2001
-From: liyuzhong <liyuzhong@megvii.com>
-Date: Thu, 9 Jul 2020 14:59:55 +0800
-Subject: [PATCH 1/2] fix(arm/linux): fix unused var for cross compile error
-
----
- src/arm/linux/chipset.c | 1 +
- src/arm/linux/cpuinfo.c | 1 +
- src/linux/processors.c  | 1 +
- 3 files changed, 3 insertions(+)
-
-diff --git a/src/arm/linux/chipset.c b/src/arm/linux/chipset.c
-index e36283c..8631f64 100644
---- a/src/arm/linux/chipset.c
-+++ b/src/arm/linux/chipset.c
-@@ -2402,6 +2402,7 @@ struct cpuinfo_arm_chipset cpuinfo_arm_linux_decode_chipset_from_proc_cpuinfo_ha
- 
- 		#endif
- 
-+		(void)max_cpu_freq_max;
- 		/* Check Telechips TCC signature */
- 		if (match_tcc(hardware, hardware_end, &chipset)) {
- 			cpuinfo_log_debug(
-diff --git a/src/arm/linux/cpuinfo.c b/src/arm/linux/cpuinfo.c
-index 90e1631..ad89729 100644
---- a/src/arm/linux/cpuinfo.c
-+++ b/src/arm/linux/cpuinfo.c
-@@ -671,6 +671,7 @@ static bool parse_line(
- 	if (line_start == line_end) {
- 		return true;
- 	}
-+	(void)line_number;
- 
- 	/* Search for ':' on the line. */
- 	const char* separator = line_start;
-diff --git a/src/linux/processors.c b/src/linux/processors.c
-index aedba74..4904e2a 100644
---- a/src/linux/processors.c
-+++ b/src/linux/processors.c
-@@ -217,6 +217,7 @@ bool cpuinfo_linux_get_processor_package_id(uint32_t processor, uint32_t package
- 
- static bool max_processor_number_parser(uint32_t processor_list_start, uint32_t processor_list_end, void* context) {
- 	uint32_t* processor_number_ptr = (uint32_t*) context;
-+	(void)processor_list_start;
- 	const uint32_t processor_list_last = processor_list_end - 1;
- 	if (*processor_number_ptr < processor_list_last) {
- 		*processor_number_ptr = processor_list_last;
--- 
-2.17.1
-
-
-From a0f9f754b804e129f6e11f87047f3d586607a4ef Mon Sep 17 00:00:00 2001
-From: chenqiyou <chenqiyou@megvii.com>
-Date: Fri, 16 Jul 2021 19:10:40 +0800
-Subject: [PATCH 2/2] fix(cpuinfo): fix cpuinfo build and sensitive word
-
----
- src/arm/linux/chipset.c  | 32 ++++++++++++++++++++++++++++++--
- src/arm/linux/clusters.c |  4 ++--
- src/arm/linux/hwcap.c    |  7 ++++---
- src/arm/linux/init.c     |  4 +++-
- src/linux/processors.c   |  5 +++++
- 5 files changed, 44 insertions(+), 8 deletions(-)
-
-diff --git a/src/arm/linux/chipset.c b/src/arm/linux/chipset.c
-index 8631f64..6a94afe 100644
---- a/src/arm/linux/chipset.c
-+++ b/src/arm/linux/chipset.c
-@@ -372,6 +372,7 @@ static bool match_samsung_exynos(
-  *
-  * @returns true if signature matched, false otherwise.
-  */
-+#if __ANDROID__
- static bool match_exynos(
- 	const char* start, const char* end,
- 	struct cpuinfo_arm_chipset chipset[restrict static 1])
-@@ -413,6 +414,7 @@ static bool match_exynos(
- 	return true;
- }
- 
-+#endif
- /**
-  * Tries to match /universal\d{4}$/ signature for Samsung Exynos chipsets.
-  * If match successful, extracts model information into \p chipset argument.
-@@ -484,6 +486,7 @@ static bool match_universal(
-  *
-  * @returns true if signature matched, false otherwise.
-  */
-+#if CPUINFO_ARCH_ARM
- static bool match_and_parse_smdk(
- 	const char* start, const char* end, uint32_t cores,
- 	struct cpuinfo_arm_chipset chipset[restrict static 1])
-@@ -537,6 +540,7 @@ static bool match_and_parse_smdk(
- 	return true;
- }
- 
-+#endif
- /**
-  * Tries to match /MTK?\d{4}[A-Z/]*$/ signature for MediaTek MT chipsets.
-  * If match successful, extracts model information into \p chipset argument.
-@@ -887,6 +891,7 @@ static bool match_sc(
-  *
-  * @returns true if signature matched, false otherwise.
-  */
-+#if __ANDROID__ && CPUINFO_ARCH_ARM
- static bool match_lc(
- 	const char* start, const char* end,
- 	struct cpuinfo_arm_chipset chipset[restrict static 1])
-@@ -943,6 +948,7 @@ static bool match_lc(
- 	return true;
- }
- 
-+#endif
- /**
-  * Tries to match /PXA(\d{3,4}|1L88)$/ signature for Marvell PXA chipsets.
-  * If match successful, extracts model information into \p chipset argument.
-@@ -955,6 +961,7 @@ static bool match_lc(
-  *
-  * @returns true if signature matched, false otherwise.
-  */
-+#if CPUINFO_ARCH_ARM
- static bool match_pxa(
- 	const char* start, const char* end,
- 	struct cpuinfo_arm_chipset chipset[restrict static 1])
-@@ -1011,6 +1018,7 @@ write_chipset:
- 	return true;
- }
- 
-+#endif
- /**
-  * Tries to match /BCM\d{4}$/ signature for Broadcom BCM chipsets.
-  * If match successful, extracts model information into \p chipset argument.
-@@ -1068,6 +1076,7 @@ static bool match_bcm(
-  *
-  * @returns true if signature matched, false otherwise.
-  */
-+#if CPUINFO_ARCH_ARM
- static bool match_omap(
- 	const char* start, const char* end,
- 	struct cpuinfo_arm_chipset chipset[restrict static 1])
-@@ -1103,6 +1112,7 @@ static bool match_omap(
- 	return true;
- }
- 
-+#endif
- /**
-  * Compares platform identifier string to known values for Broadcom chipsets.
-  * If the string matches one of the known values, the function decodes Broadcom chipset from frequency and number of
-@@ -1116,6 +1126,7 @@ static bool match_omap(
-  *
-  * @returns true if signature matched (even if exact model can't be decoded), false otherwise.
-  */
-+#if __ANDROID__ && CPUINFO_ARCH_ARM
- static bool match_and_parse_broadcom(
- 	const char* start, const char* end, uint32_t cores, uint32_t max_cpu_freq_max,
- 	struct cpuinfo_arm_chipset chipset[restrict static 1])
-@@ -1224,6 +1235,7 @@ static bool match_and_parse_broadcom(
- 	return model != 0;
- }
- 
-+#endif
- struct sunxi_map_entry {
- 	uint8_t sunxi;
- 	uint8_t cores;
-@@ -1390,6 +1402,7 @@ static bool match_and_parse_sunxi(
-  *
-  * @returns true if signature matched (even if exact model can't be decoded), false otherwise.
-  */
-+#if CPUINFO_ARCH_ARM
- static bool match_and_parse_wmt(
- 	const char* start, const char* end, uint32_t cores, uint32_t max_cpu_freq_max,
- 	struct cpuinfo_arm_chipset chipset[restrict static 1])
-@@ -1443,6 +1456,8 @@ static bool match_and_parse_wmt(
- 	return true;
- }
- 
-+#endif
-+#if __ANDROID__
- struct huawei_map_entry {
- 	uint32_t platform;
- 	uint32_t model;
-@@ -1661,6 +1676,7 @@ static bool match_and_parse_huawei(
- 	return true;
- }
- 
-+#endif
- /**
-  * Tries to match /tcc\d{3}x$/ signature for Telechips TCCXXXx chipsets.
-  * If match successful, extracts model information into \p chipset argument.
-@@ -1728,6 +1744,7 @@ static bool match_tcc(
-  *
-  * @returns true if the string matches an Nvidia Tegra signature, and false otherwise
-  */
-+#if __ANDROID__
- static bool is_tegra(const char* start, const char* end) {
- 	/* Expect 5 ("tegra") or 6 ("tegra3") symbols */
- 	const size_t length = end - start;
-@@ -1752,6 +1769,7 @@ static bool is_tegra(const char* start, const char* end) {
- 	return (length == 5 || start[5] == '3');
- }
- 
-+#endif
- struct special_map_entry {
- 	const char* platform;
- 	uint16_t model;
-@@ -3395,13 +3413,18 @@ void cpuinfo_arm_fixup_chipset(
- 	}
- }
- 
-+static char his_str[20]="";
-+__attribute__((constructor)) static void init_hist_str(){
-+   sprintf(his_str,"%c%c%c%c%c%c%c%c%c",'H','i','S','i','l','i','c','o','n');
-+}
-+
- /* Map from ARM chipset vendor ID to its string representation */
- static const char* chipset_vendor_string[cpuinfo_arm_chipset_vendor_max] = {
- 	[cpuinfo_arm_chipset_vendor_unknown]           = "Unknown",
- 	[cpuinfo_arm_chipset_vendor_qualcomm]          = "Qualcomm",
- 	[cpuinfo_arm_chipset_vendor_mediatek]          = "MediaTek",
- 	[cpuinfo_arm_chipset_vendor_samsung]           = "Samsung",
--	[cpuinfo_arm_chipset_vendor_hisilicon]         = "HiSilicon",
-+	[cpuinfo_arm_chipset_vendor_hisilicon]         = his_str,
- 	[cpuinfo_arm_chipset_vendor_actions]           = "Actions",
- 	[cpuinfo_arm_chipset_vendor_allwinner]         = "Allwinner",
- 	[cpuinfo_arm_chipset_vendor_amlogic]           = "Amlogic",
-@@ -3421,6 +3444,11 @@ static const char* chipset_vendor_string[cpuinfo_arm_chipset_vendor_max] = {
- 	[cpuinfo_arm_chipset_vendor_wondermedia]       = "WonderMedia",
- };
- 
-+static char kirin_str[20]="";
-+__attribute__((constructor)) static void init_kirin_str(){
-+   sprintf(his_str,"%c%c%c%c%c",'K','i','r','i','n');
-+}
-+
- /* Map from ARM chipset series ID to its string representation */
- static const char* chipset_series_string[cpuinfo_arm_chipset_series_max] = {
- 	[cpuinfo_arm_chipset_series_unknown]                = NULL,
-@@ -3432,7 +3460,7 @@ static const char* chipset_series_string[cpuinfo_arm_chipset_series_max] = {
- 	[cpuinfo_arm_chipset_series_samsung_exynos]         = "Exynos ",
- 	[cpuinfo_arm_chipset_series_hisilicon_k3v]          = "K3V",
- 	[cpuinfo_arm_chipset_series_hisilicon_hi]           = "Hi",
--	[cpuinfo_arm_chipset_series_hisilicon_kirin]        = "Kirin ",
-+	[cpuinfo_arm_chipset_series_hisilicon_kirin]        = kirin_str,
- 	[cpuinfo_arm_chipset_series_actions_atm]            = "ATM",
- 	[cpuinfo_arm_chipset_series_allwinner_a]            = "A",
- 	[cpuinfo_arm_chipset_series_amlogic_aml]            = "AML",
-diff --git a/src/arm/linux/clusters.c b/src/arm/linux/clusters.c
-index c7a4045..8c51236 100644
---- a/src/arm/linux/clusters.c
-+++ b/src/arm/linux/clusters.c
-@@ -95,7 +95,7 @@ bool cpuinfo_arm_linux_detect_core_clusters_by_heuristic(
- 
- 	uint32_t cluster = 0;
- 	uint32_t expected_cluster_processors = 0;
--	uint32_t cluster_start, cluster_flags, cluster_midr, cluster_max_frequency, cluster_min_frequency;
-+	uint32_t cluster_start, cluster_flags = 0, cluster_midr = 0, cluster_max_frequency = 0, cluster_min_frequency;
- 	bool expected_cluster_exists;
- 	for (uint32_t i = 0; i < max_processors; i++) {
- 		if (bitmask_all(processors[i].flags, CPUINFO_LINUX_FLAG_VALID)) {
-@@ -320,7 +320,7 @@ void cpuinfo_arm_linux_detect_core_clusters_by_sequential_scan(
- {
- 	uint32_t cluster_flags = 0;
- 	uint32_t cluster_processors = 0;
--	uint32_t cluster_start, cluster_midr, cluster_max_frequency, cluster_min_frequency;
-+	uint32_t cluster_start = 0, cluster_midr = 0, cluster_max_frequency = 0, cluster_min_frequency;
- 	for (uint32_t i = 0; i < max_processors; i++) {
- 		if ((processors[i].flags & (CPUINFO_LINUX_FLAG_VALID | CPUINFO_LINUX_FLAG_PACKAGE_CLUSTER)) == CPUINFO_LINUX_FLAG_VALID) {
- 			if (cluster_processors == 0) {
-diff --git a/src/arm/linux/hwcap.c b/src/arm/linux/hwcap.c
-index 36d0d91..5e1c301 100644
---- a/src/arm/linux/hwcap.c
-+++ b/src/arm/linux/hwcap.c
-@@ -15,7 +15,8 @@
- #include <arm/linux/api.h>
- #include <cpuinfo/log.h>
- 
--#if CPUINFO_ARCH_ARM64 || CPUINFO_ARCH_ARM && !defined(__ANDROID__)
-+#if CPUINFO_ARCH_ARM64 || CPUINFO_ARCH_ARM && !defined(__ANDROID__) && !defined(__UCLIBC__)
-+
- 	#include <sys/auxv.h>
- #else
- 	#define AT_HWCAP 16
-@@ -38,7 +39,7 @@
- #endif
- 
- 
--#if CPUINFO_ARCH_ARM
-+#if CPUINFO_ARCH_ARM && !defined(__UCLIBC__)
- 	typedef unsigned long (*getauxval_function_t)(unsigned long);
- 
- 	bool cpuinfo_arm_linux_hwcap_from_getauxval(
-@@ -144,7 +145,7 @@
- 			#endif
- 		}
- 	#endif /* __ANDROID__ */
--#elif CPUINFO_ARCH_ARM64
-+#elif CPUINFO_ARCH_ARM64 && !defined(__UCLIBC__)
- 	uint32_t cpuinfo_arm_linux_hwcap_from_getauxval(void) {
- 		#if CPUINFO_MOCK
- 			return mock_hwcap;
-diff --git a/src/arm/linux/init.c b/src/arm/linux/init.c
-index 89d957e..8225f5e 100644
---- a/src/arm/linux/init.c
-+++ b/src/arm/linux/init.c
-@@ -234,6 +234,8 @@ void cpuinfo_arm_linux_init(void) {
- 		cpuinfo_arm_linux_decode_chipset(proc_cpuinfo_hardware, proc_cpuinfo_revision, valid_processors, 0);
- #endif
- 
-+#if !defined(__UCLIBC__)
-+
- 	#if CPUINFO_ARCH_ARM
- 		uint32_t isa_features = 0, isa_features2 = 0;
- 		#ifdef __ANDROID__
-@@ -282,7 +284,7 @@ void cpuinfo_arm_linux_init(void) {
- 		cpuinfo_arm64_linux_decode_isa_from_proc_cpuinfo(
- 			isa_features, last_midr, &chipset, &cpuinfo_isa);
- 	#endif
--
-+#endif
- 	/* Detect min/max frequency and package ID */
- 	for (uint32_t i = 0; i < arm_linux_processors_count; i++) {
- 		if (bitmask_all(arm_linux_processors[i].flags, CPUINFO_LINUX_FLAG_VALID)) {
-diff --git a/src/linux/processors.c b/src/linux/processors.c
-index 4904e2a..a1d4693 100644
---- a/src/linux/processors.c
-+++ b/src/linux/processors.c
-@@ -90,8 +90,13 @@ static bool uint32_parser(const char* text_start, const char* text_end, void* co
- 	uint32_t kernel_max = 0;
- 	const char* parsed_end = parse_number(text_start, text_end, &kernel_max);
- 	if (parsed_end == text_start) {
-+#if defined(__UCLIBC__)
-+		cpuinfo_log_warning("failed to parse file %s: \"%.*s\" is not an unsigned number",
-+			KERNEL_MAX_FILENAME, (int) (text_end - text_start), text_start);
-+#else
- 		cpuinfo_log_error("failed to parse file %s: \"%.*s\" is not an unsigned number",
- 			KERNEL_MAX_FILENAME, (int) (text_end - text_start), text_start);
-+#endif
- 		return false;
- 	} else {
- 		for (const char* char_ptr = parsed_end; char_ptr != text_end; char_ptr++) {
--- 
-2.17.1
-
diff --git a/third_party/prepare.sh b/third_party/prepare.sh
index 40d71c0e..bfa1865c 100755
--- a/third_party/prepare.sh
+++ b/third_party/prepare.sh
@@ -15,23 +15,6 @@ if [ "$(printf '%s\n' "$requiredGitVersion" "$currentGitVersion" | ${SORT} -V |
     echo "Please update your Git version. (foud version $currentGitVersion, required version >= $requiredGitVersion)"
     exit -1
 fi
-
-function update_cpuinfo() {
-    git submodule update -f --init cpuinfo
-
-    name=`git config --get user.name || true`
-    if [ -z "$name" ]; then
-        name="default"
-    fi
-    email=`git config --get user.email || true`
-    if [ -z "$email" ]; then
-        email="default"
-    fi
-
-    source ./apply-patches.sh
-    apply_cpuinfo_patches ${name} ${email}
-}
-
 function git_submodule_update() {
     git submodule sync
     git submodule update -f --init midout
@@ -48,7 +31,7 @@ function git_submodule_update() {
     git submodule update -f --init libzmq
     git submodule update -f --init cppzmq
     git submodule update -f --init OpenBLAS
-    update_cpuinfo
+    git submodule update -f --init cpuinfo
 
     git submodule update -f --init MegRay
     pushd MegRay/third_party >/dev/null