diff --git a/0048-rdma-core-uos-support-sw.patch b/0048-rdma-core-uos-support-sw.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2f62b15cbf7bdab7dcb6403ffea27f63c666b493
--- /dev/null
+++ b/0048-rdma-core-uos-support-sw.patch
@@ -0,0 +1,42 @@
+From 4ef53f85dfb7d155f187a97e6efbd45a0510c958 Mon Sep 17 00:00:00 2001
+From: zhangshaoning <zhangshaoning@uniontech.com>
+Date: Thu, 6 Mar 2025 09:43:18 +0800
+Subject: [PATCH] adapt to sw_64
+
+---
+ util/udma_barrier.h | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/util/udma_barrier.h b/util/udma_barrier.h
+index 3793d2f..411023d 100644
+--- a/util/udma_barrier.h
++++ b/util/udma_barrier.h
+@@ -92,6 +92,8 @@
+ #define udma_to_device_barrier() asm volatile("mf" ::: "memory")
+ #elif defined(__sparc_v9__)
+ #define udma_to_device_barrier() asm volatile("membar #StoreStore" ::: "memory")
++#elif defined(__sw_64__)
++#define udma_to_device_barrier() asm volatile("memb" ::: "memory");
+ #elif defined(__aarch64__)
+ #define udma_to_device_barrier() asm volatile("dsb st" ::: "memory");
+ #elif defined(__sparc__) || defined(__s390x__)
+@@ -130,6 +132,8 @@
+ #define udma_from_device_barrier() asm volatile("mf" ::: "memory")
+ #elif defined(__sparc_v9__)
+ #define udma_from_device_barrier() asm volatile("membar #LoadLoad" ::: "memory")
++#elif defined(__sw_64__)
++#define udma_from_device_barrier() asm volatile("memb" ::: "memory");
+ #elif defined(__aarch64__)
+ #define udma_from_device_barrier() asm volatile("dsb ld" ::: "memory");
+ #elif defined(__sparc__) || defined(__s390x__)
+@@ -200,6 +204,8 @@
+ #define mmio_flush_writes() asm volatile("fwb" ::: "memory")
+ #elif defined(__sparc_v9__)
+ #define mmio_flush_writes() asm volatile("membar #StoreStore" ::: "memory")
++#elif defined(__sw_64__)
++#define mmio_flush_writes() asm volatile("memb" ::: "memory");
+ #elif defined(__aarch64__)
+ #define mmio_flush_writes() asm volatile("dsb st" ::: "memory");
+ #elif defined(__sparc__)
+-- 
+2.18.2
diff --git a/rdma-core.spec b/rdma-core.spec
index 554c724cc7ffb1f89f00b51a61588fad749b2bab..ad077b2e897d24f382f63eae60715cbbc1d6f82d 100644
--- a/rdma-core.spec
+++ b/rdma-core.spec
@@ -1,6 +1,6 @@
 Name:           rdma-core
 Version:        50.0
-Release:        24
+Release:        25
 Summary:        RDMA core userspace libraries and daemons
 License:        GPL-2.0-only OR BSD-2-Clause AND BSD-3-Clause
 Url:            https://github.com/linux-rdma/rdma-core
@@ -53,6 +53,7 @@ patch44: 0044-libxscale-Add-Yunsilicon-User-Space-RDMA-Driver.patch
 patch45: 0045-libxscale-Match-dev-by-vid-and-did.patch
 patch46: 0046-libhns-fix-incorrectly-using-fixed-pagesize.patch
 patch47: 0047-libhns-fix-missing-new-IO-support-for-DCA.patch
+patch48: 0048-rdma-core-uos-support-sw.patch
 
 BuildRequires:  binutils cmake >= 2.8.11 gcc libudev-devel pkgconfig pkgconfig(libnl-3.0)
 BuildRequires:  pkgconfig(libnl-route-3.0) systemd systemd-devel
@@ -634,6 +635,9 @@ fi
 %doc %{_docdir}/%{name}-%{version}/70-persistent-ipoib.rules
 
 %changelog
+* Mon Apr 21 2025 zhangshaoning <zhangshaoning@uniontech.com> - 50.0-25
+- Add sw_64 support
+
 * Mon Mar 31 2025 Xinghai Cen <cenxinghai@h-partners.com> - 50.0-24
 - Type: bugfix
 - ID: NA