diff --git a/mv2_clock-support-loongarch64.patch b/mv2_clock-support-loongarch64.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2f00bdfe4a7ba4acdf7e5f77caa721b727495a60
--- /dev/null
+++ b/mv2_clock-support-loongarch64.patch
@@ -0,0 +1,37 @@
+From 2c87d0fb35dc83c446665c80c78629bb9114e2b4 Mon Sep 17 00:00:00 2001
+From: houfangdong <houfangdong@loongson.cn>
+Date: Thu, 18 Nov 2021 09:03:23 +0800
+Subject: [PATCH 3/3] mv2_clock support loongarch64.
+
+---
+ src/mpid/ch3/channels/common/include/mv2_clock.h | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+diff --git a/src/mpid/ch3/channels/common/include/mv2_clock.h b/src/mpid/ch3/channels/common/include/mv2_clock.h
+index 98f05df..45f3316 100644
+--- a/src/mpid/ch3/channels/common/include/mv2_clock.h
++++ b/src/mpid/ch3/channels/common/include/mv2_clock.h
+@@ -92,6 +92,20 @@ static inline cycles_t get_cycles()
+ 
+        return ret;
+ }
++#elif defined(__loongarch64)
++typedef unsigned long cycles_t;
++static inline cycles_t get_cycles()
++{
++	int rID = 0;
++        cycles_t val = 0;
++
++        __asm__ __volatile__(
++                "rdtime.d %0, %1 \n\t"
++                : "=r"(val), "=r"(rID)
++                :
++                );
++        return val;
++}
+ 
+ #else
+ #warning get_cycles not implemented for this architecture: attempt asm/timex.h
+-- 
+2.27.0
+
diff --git a/mvapich2.spec b/mvapich2.spec
index 3f5c3c988638a48d738af0527312cd4e9c74310d..141ab29f91555da4f7f9dbef99183a6d267cdd16 100644
--- a/mvapich2.spec
+++ b/mvapich2.spec
@@ -2,7 +2,7 @@
 
 Name:            mvapich2
 Version:         2.3
-Release:         11
+Release:         12
 Summary:         OSU MVAPICH2 MPI package
 License:         BSD and MIT
 URL:             http://mvapich.cse.ohio-state.edu
@@ -18,6 +18,9 @@ Patch0006:       fix-multiple-definition-error.patch
 Patch0007:       fix-undefined-reference.patch
 Patch0008:       fix-psm2-multiple-definition.patch
 Patch0009:       fix-undefined-reference-in-psm2-files.patch
+%ifarch loongarch64
+Patch0010:       mv2_clock-support-loongarch64.patch
+%endif
 BuildRequires:   gcc-gfortran python3-devel gcc-c++
 BuildRequires:   bison flex autoconf automake libtool
 BuildRequires:   perl-Digest-MD5 hwloc-devel rdma-core-devel
@@ -260,10 +263,13 @@ cd ..
 
 
 %changelog
-* Sat 07 Aug 2021 sunguoshuai <sunguoshuai@huawei.com> - 2.3-11
+* Tue Jan 17 2023 wangkai <wangkai385@h-partners.com> - 2.3-12
+- add loongarch support 
+
+* Sat Aug 07 2021 sunguoshuai <sunguoshuai@huawei.com> - 2.3-11
 - fix build error with gcc 10,include allow mismatched arguement and multiple definition
 
-* Wed July 9 2021 zhaoyao <zhaoyao32@huawei.com> - 2.3-10
+* Wed Jun 09 2021 zhaoyao <zhaoyao32@huawei.com> - 2.3-10
 - fix build error: Abording because C++ compiler does not work.
 
 * Sat Mar 27 2021 zhanghua <zhanghua40@huawei.com> - 2.3-9