diff --git a/Add-riscv64-initial-support.patch b/Add-riscv64-initial-support.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2b9acaa87b2ff0514cd62d31e97f4637d3bba73a
--- /dev/null
+++ b/Add-riscv64-initial-support.patch
@@ -0,0 +1,87 @@
+From 2f70cd0973e16fbd9ab66a2e33fa9ffdeb2219d6 Mon Sep 17 00:00:00 2001
+From: laokz <laokz@foxmail.com>
+Date: Tue, 28 Oct 2025 16:16:10 +0800
+Subject: [PATCH] Add riscv64 initial support
+
+Mainly riscv64 timer and barrier code.
+
+Signed-off-by: sammmmy@gitee
+Signed-off-by: laokz <zhangkai@iscas.ac.cn>
+---
+ CMakeLists.txt                       | 1 +
+ include/my_rdtsc.h                   | 1 +
+ mysys/my_rdtsc.cc                    | 8 ++++++++
+ storage/ndb/include/portlib/mt-asm.h | 8 ++++++++
+ 4 files changed, 18 insertions(+)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 1e118413a49..e8bf5f92c97 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -675,6 +675,7 @@ SET(KNOWN_64BIT_ARCHITECTURES
+   s390x
+   x86_64
+   sw_64
++  riscv64
+ )
+ 
+ # Include the platform-specific file. To allow exceptions, this code
+diff --git a/include/my_rdtsc.h b/include/my_rdtsc.h
+index c127072cfed..71bcfc831f7 100644
+--- a/include/my_rdtsc.h
++++ b/include/my_rdtsc.h
+@@ -139,5 +139,6 @@ void my_timer_init(MY_TIMER_INFO *mti);
+ #define MY_TIMER_ROUTINE_ASM_AARCH64 28
+ #define MY_TIMER_ROUTINE_GET_THREAD_TIMES 29
+ #define MY_TIMER_ROUTINE_ASM_S390X 30
++#define MY_TIMER_ROUTINE_ASM_RISCV64 31
+ 
+ #endif
+diff --git a/mysys/my_rdtsc.cc b/mysys/my_rdtsc.cc
+index c1a41e02ece..523c84da325 100644
+--- a/mysys/my_rdtsc.cc
++++ b/mysys/my_rdtsc.cc
+@@ -177,6 +177,12 @@ ulonglong my_timer_cycles(void) {
+     __asm __volatile__("stckf %0" : "=Q"(result) : : "cc");
+     return result;
+   }
++#elif defined(__GNUC__) && defined(__riscv) && __riscv_xlen == 64
++  {
++    ulonglong result;
++    __asm__ __volatile__ ("rdtime %0" : "=r" (result) :: "memory");
++    return result;
++  }
+ #elif defined(HAVE_SYS_TIMES_H) && defined(HAVE_GETHRTIME)
+   /* gethrtime may appear as either cycle or nanosecond counter */
+   return (ulonglong)gethrtime();
+@@ -503,6 +509,8 @@ void my_timer_init(MY_TIMER_INFO *mti) {
+   mti->cycles.routine = MY_TIMER_ROUTINE_ASM_S390X;
+ #elif defined(HAVE_SYS_TIMES_H) && defined(HAVE_GETHRTIME)
+   mti->cycles.routine = MY_TIMER_ROUTINE_GETHRTIME;
++#elif defined(__GNUC__) && defined(__riscv) && __riscv_xlen == 64
++  mti->cycles.routine = MY_TIMER_ROUTINE_ASM_RISCV64;
+ #else
+   mti->cycles.routine = 0;
+ #endif
+diff --git a/storage/ndb/include/portlib/mt-asm.h b/storage/ndb/include/portlib/mt-asm.h
+index d1fceb50638..ddb22fea347 100644
+--- a/storage/ndb/include/portlib/mt-asm.h
++++ b/storage/ndb/include/portlib/mt-asm.h
+@@ -132,6 +132,14 @@ static inline int xcng(volatile unsigned *addr, int val) {
+ #define NDB_HAVE_CPU_PAUSE
+ #define cpu_pause() __asm__ __volatile__("yield")
+ 
++#elif defined(__riscv) && __riscv_xlen == 64
++#define NDB_HAVE_MB
++#define NDB_HAVE_RMB
++#define NDB_HAVE_WMB
++#define mb() asm volatile("fence iorw,iorw" ::: "memory")
++#define rmb() asm volatile("fence ir,ir" ::: "memory")
++#define wmb() asm volatile("fence ow,ow" ::: "memory")
++
+ #endif
+ 
+ #elif defined(_MSC_VER)
+-- 
+Gitee
+
diff --git a/greatsql.spec b/greatsql.spec
index 3d33b7130721d54b153951be030b3c29f6c2a500..bd4875d53bd01e38014d2201393d2fa928b83dc4 100644
--- a/greatsql.spec
+++ b/greatsql.spec
@@ -31,7 +31,7 @@
 %global mysql_version 8.4.4
 %global greatsql_version 4
 %global revision d73de75905d
-%global rpm_release 3
+%global rpm_release 4
 
 %global release %{greatsql_version}.%{rpm_release}%{?dist}
 
@@ -103,6 +103,7 @@ SOURCE11:       mysqld.cnf
 SOURCE12:       mysql_config.sh
 Patch0:         mysql-5.7-sharedlib-rename.patch
 Patch1:         greatsql-8.4.4-4-port-to-cmake4.patch
+Patch2:         Add-riscv64-initial-support.patch
 BuildRequires:  cmake >= 3.6.1
 BuildRequires:  make
 BuildRequires:  gcc
@@ -388,8 +389,7 @@ For a description of GreatSQL see https://greatsql.cn
 pushd %{src_dir}
 %patch -P0 -p1
 %patch -P1 -p1
-#%patch -P0 -p0
-#%patch -P1 -p1
+%patch -P2 -p1
 cp %{SOURCE11} scripts
 
 %build
@@ -1215,6 +1215,9 @@ fi
 %{_libdir}/mysql/private/icudt73l/brkitr
 
 %changelog
+* Mon Dec 01 2025 laokz <zhangkai@iscas.ac.cn> - 8.4.4-4.4
+- Reapply riscv64 patch
+
 * Sat Nov 22 2025 Funda Wang <fundawang@yeah.net> - 8.4.4-4.3
 - fix build with cmake 4