LU-2800 autoconf: remove obsolete autoconf options

[fs/lustre-release.git] / libcfs / libcfs / linux / linux-debug.c

diff --git a/libcfs/libcfs/linux/linux-debug.c b/libcfs/libcfs/linux/linux-debug.c
index 3affaa1..569bdf0 100644 (file)
--- a/libcfs/libcfs/linux/linux-debug.c
+++ b/libcfs/libcfs/linux/linux-debug.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -29,7 +27,7 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, Whamcloud, Inc.
+ * Copyright (c) 2012, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -40,13 +38,6 @@
  * Author: Phil Schwan <phil@clusterfs.com>
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
-
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
 #include <linux/module.h>
 #include <linux/kmod.h>
 #include <linux/notifier.h>
@@ -55,10 +46,11 @@
 #include <linux/string.h>
 #include <linux/stat.h>
 #include <linux/errno.h>
+#ifdef HAVE_KERNEL_LOCKED
 #include <linux/smp_lock.h>
+#endif
 #include <linux/unistd.h>
 #include <linux/interrupt.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <linux/completion.h>
 
@@ -168,18 +160,6 @@ void libcfs_run_lbug_upcall(struct libcfs_debug_msg_data *msgdata)
         libcfs_run_upcall (argv);
 }
 
-#ifdef __arch_um__
-void lbug_with_loc(struct libcfs_debug_msg_data *msgdata)
-{
-        libcfs_catastrophe = 1;
-        libcfs_debug_msg(msgdata, "LBUG - trying to dump log to %s\n",
-                         libcfs_debug_file_path);
-        libcfs_debug_dumplog();
-        libcfs_run_lbug_upcall(msgdata);
-        asm("int $3");
-        panic("LBUG");
-}
-#else
 /* coverity[+kill] */
 void lbug_with_loc(struct libcfs_debug_msg_data *msgdata)
 {
@@ -201,7 +181,6 @@ void lbug_with_loc(struct libcfs_debug_msg_data *msgdata)
         while (1)
                 schedule();
 }
-#endif /* __arch_um__ */
 
 #ifdef __KERNEL__
 
@@ -262,12 +241,7 @@ static DUMP_TRACE_CONST struct stacktrace_ops print_trace_ops = {
 
 void libcfs_debug_dumpstack(struct task_struct *tsk)
 {
-#if defined(__arch_um__)
-        if (tsk != NULL)
-                CWARN("stack dump for pid %d (%d) requested; wake up gdb.\n",
-                      tsk->pid, UML_PID(tsk));
-        //asm("int $3");
-#elif defined(HAVE_DUMP_TRACE)
+#if defined(HAVE_DUMP_TRACE)
         /* dump_stack() */
         /* show_trace() */
         if (tsk == NULL)
@@ -319,9 +293,10 @@ static int panic_notifier(struct notifier_block *self, unsigned long unused1,
         if (in_interrupt()) {
                 cfs_trace_debug_print();
         } else {
-                while (current->lock_depth >= 0)
-                        unlock_kernel();
-
+# ifdef HAVE_KERNEL_LOCKED
+               while (kernel_locked())
+                       unlock_kernel();
+# endif
                 libcfs_debug_dumplog_internal((void *)(long)cfs_curproc_pid());
         }
 #endif