!42 vdo/cpu.h: 补充添加loongarch支持，修复dkms编译错误

From: @fuowang 
Reviewed-by: @starlet-dx 
Signed-off-by: @starlet-dx

0001-add-loongarch64-support-for-kmod-kvdo.patch

@@ -0,0 +1,25 @@
+From 7f57cf2b2dcb9dc5b0b08b47e33ce989269dfe78 Mon Sep 17 00:00:00 2001
+From: wangshuo <wangshuo@kylinos.cn>
+Date: Thu, 12 Dec 2024 20:34:23 +0800
+Subject: [PATCH] add loongarch64 support for kmod-kvdo
+
+---
+ vdo/cpu.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/vdo/cpu.h b/vdo/cpu.h
+index ee449b7..b3fbfd9 100644
+--- a/vdo/cpu.h
++++ b/vdo/cpu.h
+@@ -20,7 +20,7 @@
+ #define CACHE_LINE_BYTES 128
+ #elif defined(__s390x__)
+ #define CACHE_LINE_BYTES 256
+-#elif defined(__x86_64__) || defined(__aarch64__) || defined(__riscv)
++#elif defined(__x86_64__) || defined(__aarch64__) || defined(__riscv) || defined(__loongarch64)
+ #define CACHE_LINE_BYTES 64
+ #else
+ #error "unknown cache line size"
+-- 
+2.27.0
+

kvdo.spec

@@ -1,5 +1,5 @@
 #This spec is obtained from source code(kvdo-6.2.2.24.tar.gz)
-%define spec_release 4
+%define spec_release 5
 %define kmod_name		kmod-kvdo
 %define kmod_driver_version	8.2.1.2
 %define kmod_rpm_release	%{spec_release}
@@ -17,6 +17,7 @@ URL:		http://github.com/dm-vdo/kvdo
 Source0:        https://github.com/dm-vdo/kvdo/archive/refs/tags/%{kmod_driver_version}.tar.gz
 Patch1:         01-add-riscv64-support.patch
 Patch2:         0002-replace-kernel-obsolete-api.patch
+Patch3:         0001-add-loongarch64-support-for-kmod-kvdo.patch
 BuildRoot:	%(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 
 Requires:       dkms
@@ -79,6 +80,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_usr}/src/%{kmod_name}-%{version}-%{kmod_rpm_release}/*
 
 %changelog
+* Fri Dec 13 2024 wangshuo <wangshuo@kylinos.cn> - 8.2.1.2-5
+- vdo/cpu.h: add loongarch64 support, fix dkms build error
+
 * Tue Mar 26 2024 Ge Wang <wang__ge@126.com> - 8.2.1.2-4
 - Replace kernel obsolete api