diff --git a/backport-Set-Prefer_No_AVX512-flag-for-hygon-platform.patch b/backport-Set-Prefer_No_AVX512-flag-for-hygon-platform.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2eebc7d4a5e9f546ad1bc52e3848e45950b4a1f9
--- /dev/null
+++ b/backport-Set-Prefer_No_AVX512-flag-for-hygon-platform.patch
@@ -0,0 +1,36 @@
+From 1707b233822a503f787ae1b4abdd07949c3ee691 Mon Sep 17 00:00:00 2001
+From: Xie jiamei <xiejiamei@hygon.cn>
+Date: Tue, 11 Nov 2025 10:28:54 +0800
+Subject: [PATCH] Set Prefer_No_AVX512 flag for hygon platform
+
+Benchmarks indicate evex can be more profitable on Hygon hardware
+than AVX512. So add Prefer_No_AVX512 to make it run with evex.
+
+Change-Id: Icc59492f71fde7a783a8bd315714ffd6f7ecaf29
+Signed-off-by: Li jing <lijing@hygon.cn>
+Signed-off-by: Xie jiamei <xiejiamei@hygon.cn>
+---
+ sysdeps/x86/cpu-features.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
+index 5d4437ffdf..ecf10ce44d 100644
+--- a/sysdeps/x86/cpu-features.c
++++ b/sysdeps/x86/cpu-features.c
+@@ -1129,6 +1129,13 @@ disable_tsx:
+ 	  cpu_features->preferred[index_arch_AVX_Fast_Unaligned_Load]
+ 	    &= ~bit_arch_AVX_Fast_Unaligned_Load;
+ 	}
++      else if (model == 0x7)
++	{
++	  /* Benchmarks indicate evex can be more profitable on Hygon
++	     hardware than AVX512.  */
++	  cpu_features->preferred[index_arch_Prefer_No_AVX512]
++	    |= bit_arch_Prefer_No_AVX512;
++	}
+     }
+   else
+     {
+-- 
+2.42.0
+
diff --git a/glibc.spec b/glibc.spec
index ce63e98dc722bb33865762b47c4d85071da21772..b96a0d3ffb1c22fe16339ea554a2e165f81c174e 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -67,7 +67,7 @@
 ##############################################################################
 Name: 	 	glibc
 Version: 	2.38
-Release: 	79
+Release: 	80
 Summary: 	The GNU libc libraries
 License:	%{all_license}
 URL: 		http://www.gnu.org/software/glibc/
@@ -368,6 +368,8 @@ Patch278: x86-64-Don-t-use-SSE-resolvers-for-ISA-level-3-or-ab.patch
 Patch279: x86-64-Simplify-minimum-ISA-check-ifdef-conditional-.patch
 Patch280: x86-Skip-XSAVE-state-size-reset-if-ISA-level-require.patch
 Patch281: x86-fix-wmemset-ifunc-stray-bug-33542.patch
+Patch282: backport-x86-Disable-AVX-Fast-Unaligned-Load-on-Hygon-1-2-3.patch
+Patch283: backport-Set-Prefer_No_AVX512-flag-for-hygon-platform.patch
 
 #openEuler patch list
 Patch9000: locale-delete-no-hard-link-to-avoid-all_language-pac.patch 
@@ -414,8 +416,7 @@ Patch9037: revert-aarch64-Use-memcpy_simd-as-the-default-memcpy.patch
 Patch9038: backport-Fix-UB-on__dl_map_object_from_fd.patch
 Patch9039: backport-Fix-handling-of-symbol-versions-which-hash-to-zero.patch
 Patch9040: 0024-Sw64-Change-libdir-from-lib-to-lib64.patch
-Patch9041: backport-x86-Disable-AVX-Fast-Unaligned-Load-on-Hygon-1-2-3.patch
-Patch9042: AArch64-modify_the_SVE_memcpy_implementation_for_32-byte_aligned_access.patch
+Patch9041: AArch64-modify_the_SVE_memcpy_implementation_for_32-byte_aligned_access.patch
 
 Provides: ldconfig rtld(GNU_HASH) bundled(gnulib)
 
@@ -1601,6 +1602,10 @@ fi
 %endif
 
 %changelog
+* Thu Nov 13 2025 Jiamei Xie <xiejiamei@hygon.cn> - 2.38-80
+- Backport patch from master branch
+- Set Prefer_No_AVX512 flag for hygon platform
+
 * Wed Nov 12 2025 Long Wei <longwei27@huawei.com> - 2.38-79
 - aarch64: Optimize memcpy_sve by using 32-byte alignment