From b2db527b9674174b704aaa297afa257215d8a290 Mon Sep 17 00:00:00 2001
From: Manuel Bentele
Date: Mon, 12 Oct 2020 09:11:17 +0200
Subject: Print version string in kernel log

---
 CMakeLists.txt        | 3 ++-
 kernel/CMakeLists.txt | 2 +-
 kernel/xloop_main.c   | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3095d7e..fa32699 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,8 @@ endif()
 # get versions to define project version
 get_kernel_version(LINUX_KERNEL_VERSION)
 get_repository_version(REPOSITORY_VERSION)
-set(VERSION ${LINUX_KERNEL_VERSION}-${REPOSITORY_VERSION})
+set(VERSION ${LINUX_KERNEL_VERSION}-${REPOSITORY_VERSION}
+    CACHE STRING "Version of xloop package")
 
 # define packaging if Release build is enabled
 if(${CMAKE_BUILD_TYPE} MATCHES Release)
diff --git a/kernel/CMakeLists.txt b/kernel/CMakeLists.txt
index 0e867f6..0cf209c 100644
--- a/kernel/CMakeLists.txt
+++ b/kernel/CMakeLists.txt
@@ -19,7 +19,7 @@ message(STATUS "Path to Linux kernel modules to compile against is " ${KERNEL_DI
 message(STATUS "Minor number for the xloop-control device is " ${XLOOP_CTRL_MINOR})
 
 # set C flags for a Linux kernel module
-set(KERNEL_C_FLAGS "-DCONFIG_BLK_DEV_XLOOP_MIN_COUNT=${BLK_DEV_XLOOP_MIN_COUNT} -DXLOOP_MAJOR=${XLOOP_MAJOR} -DXLOOP_CTRL_MINOR=${XLOOP_CTRL_MINOR}"
+set(KERNEL_C_FLAGS "-DCONFIG_BLK_DEV_XLOOP_MIN_COUNT=${BLK_DEV_XLOOP_MIN_COUNT} -DXLOOP_MAJOR=${XLOOP_MAJOR} -DXLOOP_CTRL_MINOR=${XLOOP_CTRL_MINOR} -DVERSION=${VERSION}"
       CACHE STRING "C flags to be used for building the kernel module")
 # set C flags for the debug mode of a Linux kernel module
 set(KERNEL_C_FLAGS_DEBUG "-g -DDEBUG"
diff --git a/kernel/xloop_main.c b/kernel/xloop_main.c
index 703044f..001b759 100644
--- a/kernel/xloop_main.c
+++ b/kernel/xloop_main.c
@@ -2187,7 +2187,7 @@ static int __init xloop_init(void)
 		xloop_add(&xlo, i);
 	mutex_unlock(&xloop_ctl_mutex);
 
-	pr_info("module loaded\n");
+	pr_info("module in version %s loaded\n", __stringify(VERSION));
 	return 0;
 
 misc_out:
-- 
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