Index: linux_mib.c
===================================================================
RCS file: /home/ncvs/src/sys/compat/linux/linux_mib.c,v
retrieving revision 1.23
diff -u -r1.23 linux_mib.c
--- linux_mib.c	14 Jan 2005 04:44:56 -0000	1.23
+++ linux_mib.c	3 Jun 2005 19:24:31 -0000
@@ -360,3 +360,8 @@
             "Linux debugging control");
 
 #endif /* DEBUG */
+
+int linux_syscall_warn_enable = 1;
+
+SYSCTL_INT(_compat_linux, OID_AUTO, syscall_warn_enable, CTLFLAG_RW,
+	   &linux_syscall_warn_enable, 0, "warn when executing an unimplimented syscall");
Index: linux_mib.h
===================================================================
RCS file: /home/ncvs/src/sys/compat/linux/linux_mib.h,v
retrieving revision 1.8
diff -u -r1.8 linux_mib.h
--- linux_mib.h	26 Mar 2003 18:29:44 -0000	1.8
+++ linux_mib.h	3 Jun 2005 01:58:28 -0000
@@ -31,6 +31,8 @@
 #ifndef _LINUX_MIB_H_
 #define _LINUX_MIB_H_
 
+extern int linux_syscall_warn_enable;
+
 void	linux_mib_destroy(void);
 
 void	linux_get_osname(struct thread *td, char *dst);
Index: linux_util.h
===================================================================
RCS file: /home/ncvs/src/sys/compat/linux/linux_util.h,v
retrieving revision 1.25
diff -u -r1.25 linux_util.h
--- linux_util.h	1 Mar 2005 17:57:45 -0000	1.25
+++ linux_util.h	3 Jun 2005 01:59:38 -0000
@@ -49,6 +49,8 @@
 #include <sys/cdefs.h>
 #include <sys/uio.h>
 
+#include <compat/linux/linux_mib.h>
+
 static __inline caddr_t stackgap_init(void);
 static __inline void *stackgap_alloc(caddr_t *, size_t);
 
@@ -108,7 +110,8 @@
 unimplemented_syscall(struct thread *td, const char *syscallname)
 {
 
-	linux_msg(td, "syscall %s not implemented", syscallname);
+	if (linux_syscall_warn_enable)
+		linux_msg(td, "syscall %s not implemented", syscallname);
 	return (ENOSYS);
 }