From a7564070dcdf75de4f848af936e3d76ed01833e1 Mon Sep 17 00:00:00 2001
From: Joshua Bakita <jbakita@cs.unc.edu>
Date: Wed, 22 Sep 2021 11:25:08 -0400
Subject: Include git hash as version number and print startup message

---
 Makefile        | 1 +
 nvdebug_entry.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Makefile b/Makefile
index 5d61177..18c07e8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 obj-m += nvdebug.o
 nvdebug-objs = runlist_procfs.o runlist.o nvdebug_entry.o
+KBUILD_CFLAGS += -DGIT_HASH=\"$(shell git --git-dir=$(PWD)/.git rev-parse --short HEAD)\"
 
 # TODO: Avoid needing to distribute NVIDIA's headers (at least they're MIT...)
 #ccflags-y += -I$(PWD)/include
diff --git a/nvdebug_entry.c b/nvdebug_entry.c
index 148bd3f..6346659 100644
--- a/nvdebug_entry.c
+++ b/nvdebug_entry.c
@@ -28,6 +28,7 @@ int __init nvdebug_init(void) {
 		printk(KERN_ERR "[nvdebug] Unable to initialize procfs entries!\n");
 		return -ENOMEM;
 	}
+	printk(KERN_INFO "[nvdebug] Module version "GIT_HASH" initialized\n");
 	return 0;
 }
 
-- 
cgit v1.2.2