X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=kernel%2Ftrace%2Ftrace.c;h=8a499e2adaec2554218051c730f77ccc784ef184;hb=194dcdba5a11a0238aef7ed91f32df77cb31505b;hp=d345d649d073a39d6e572b88047e726754e8da1f;hpb=d9214556b11a8d18ff588e60824c12041d30f791;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d345d649d07..8a499e2adae 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -34,6 +34,7 @@
 
 #include <linux/stacktrace.h>
 #include <linux/ring_buffer.h>
+#include <linux/irqflags.h>
 
 #include "trace.h"
 
@@ -655,7 +656,11 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
 	entry->preempt_count		= pc & 0xff;
 	entry->pid			= (tsk) ? tsk->pid : 0;
 	entry->flags =
+#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
 		(irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) |
+#else
+		TRACE_FLAG_IRQS_NOSUPPORT |
+#endif
 		((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) |
 		((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) |
 		(need_resched() ? TRACE_FLAG_NEED_RESCHED : 0);
@@ -851,7 +856,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
 	preempt_enable_notrace();
 }
 
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
 static void
 function_trace_call(unsigned long ip, unsigned long parent_ip)
 {
@@ -865,9 +870,6 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)
 	if (unlikely(!ftrace_function_enabled))
 		return;
 
-	if (skip_trace(ip))
-		return;
-
 	pc = preempt_count();
 	resched = need_resched();
 	preempt_disable_notrace();
@@ -1246,7 +1248,8 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
 	trace_seq_printf(s, "%8.8s-%-5d ", comm, entry->pid);
 	trace_seq_printf(s, "%3d", cpu);
 	trace_seq_printf(s, "%c%c",
-			(entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.',
+			(entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
+			 (entry->flags & TRACE_FLAG_IRQS_NOSUPPORT) ? 'X' : '.',
 			((entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'));
 
 	hardirq = entry->flags & TRACE_FLAG_HARDIRQ;
@@ -2379,9 +2382,10 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
 	int i;
 	size_t ret;
 
+	ret = cnt;
+
 	if (cnt > max_tracer_type_len)
 		cnt = max_tracer_type_len;
-	ret = cnt;
 
 	if (copy_from_user(&buf, ubuf, cnt))
 		return -EFAULT;
@@ -2414,8 +2418,8 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
  out:
 	mutex_unlock(&trace_types_lock);
 
-	if (ret == cnt)
-		filp->f_pos += cnt;
+	if (ret > 0)
+		filp->f_pos += ret;
 
 	return ret;
 }
@@ -3097,7 +3101,7 @@ void ftrace_dump(void)
 	dump_ran = 1;
 
 	/* No turning back! */
-	ftrace_kill_atomic();
+	ftrace_kill();
 
 	for_each_tracing_cpu(cpu) {
 		atomic_inc(&global_trace.data[cpu]->disabled);