CVS commit: src/sys/kern

[Paul Goyette]

Module Name:    src
Committed By:   pgoyette
Date:           Wed Jan 22 22:39:27 UTC 2020

Modified Files:
        src/sys/kern: kern_module.c

Log Message:
Enhance debug message when autoloading a module.  Identify the pid
of the process that triggered the autoload, as well as its p_comm
and the status.

This is only triggered if you've requested DEBUG messages by setting
the kern.module.verbose sysctl(8) variable.


To generate a diff of this commit:
cvs rdiff -u -r1.145 -r1.146 src/sys/kern/kern_module.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/kern/kern_module.c
diff -u src/sys/kern/kern_module.c:1.145 src/sys/kern/kern_module.c:1.146
--- src/sys/kern/kern_module.c:1.145	Tue Jan 21 15:26:36 2020
+++ src/sys/kern/kern_module.c	Wed Jan 22 22:39:27 2020
@@ -1,4 +1,4 @@
-/*	$NetBSD: kern_module.c,v 1.145 2020/01/21 15:26:36 christos Exp $	*/
+/*	$NetBSD: kern_module.c,v 1.146 2020/01/22 22:39:27 pgoyette Exp $	*/
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_module.c,v 1.145 2020/01/21 15:26:36 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_module.c,v 1.146 2020/01/22 22:39:27 pgoyette Exp $");
 
 #define _MODULE_INTERNAL
 
@@ -47,6 +47,7 @@ __KERNEL_RCSID(0, "$NetBSD: kern_module.
 #include <sys/systm.h>
 #include <sys/kernel.h>
 #include <sys/proc.h>
+#include <sys/lwp.h>
 #include <sys/kauth.h>
 #include <sys/kobj.h>
 #include <sys/kmem.h>
@@ -677,6 +678,7 @@ int
 module_autoload(const char *filename, modclass_t modclass)
 {
 	int error;
+	struct proc *p = curlwp->l_proc;
 
 	kernconfig_lock();
 
@@ -701,6 +703,8 @@ module_autoload(const char *filename, mo
 		error = module_do_load(filename, false, 0, NULL, NULL, modclass,
 		    true);
 
+	module_print("Autoload for `%s' requested by pid %d (%s), status %d\n",
+	    filename, p->p_pid, p->p_comm, error);
 	kernconfig_unlock();
 	return error;
 }