X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=kernel%2Ftrace%2Ftrace_syscalls.c;h=8bfcd3b0942262abc34134459234b975190edc01;hb=36590c50b2d0729952511129916beeea30d31d81;hp=d85a2f0f316b34247df766277e6c5da2e772ee0c;hpb=eaea2947063ac694cddff1787d43e7807490dbc7;p=linux-2.6-microblaze.git

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index d85a2f0f316b..8bfcd3b09422 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -298,9 +298,8 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 	struct syscall_metadata *sys_data;
 	struct ring_buffer_event *event;
 	struct trace_buffer *buffer;
-	unsigned long irq_flags;
+	unsigned int trace_ctx;
 	unsigned long args[6];
-	int pc;
 	int syscall_nr;
 	int size;
 
@@ -322,12 +321,11 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 
 	size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;
 
-	local_save_flags(irq_flags);
-	pc = preempt_count();
+	trace_ctx = tracing_gen_ctx();
 
 	buffer = tr->array_buffer.buffer;
 	event = trace_buffer_lock_reserve(buffer,
-			sys_data->enter_event->event.type, size, irq_flags, pc);
+			sys_data->enter_event->event.type, size, trace_ctx);
 	if (!event)
 		return;
 
@@ -337,7 +335,7 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
 	memcpy(entry->args, args, sizeof(unsigned long) * sys_data->nb_args);
 
 	event_trigger_unlock_commit(trace_file, buffer, event, entry,
-				    irq_flags, pc);
+				    trace_ctx);
 }
 
 static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
@@ -348,8 +346,7 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 	struct syscall_metadata *sys_data;
 	struct ring_buffer_event *event;
 	struct trace_buffer *buffer;
-	unsigned long irq_flags;
-	int pc;
+	unsigned int trace_ctx;
 	int syscall_nr;
 
 	syscall_nr = trace_get_syscall_nr(current, regs);
@@ -368,13 +365,12 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 	if (!sys_data)
 		return;
 
-	local_save_flags(irq_flags);
-	pc = preempt_count();
+	trace_ctx = tracing_gen_ctx();
 
 	buffer = tr->array_buffer.buffer;
 	event = trace_buffer_lock_reserve(buffer,
 			sys_data->exit_event->event.type, sizeof(*entry),
-			irq_flags, pc);
+			trace_ctx);
 	if (!event)
 		return;
 
@@ -383,7 +379,7 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
 	entry->ret = syscall_get_return_value(current, regs);
 
 	event_trigger_unlock_commit(trace_file, buffer, event, entry,
-				    irq_flags, pc);
+				    trace_ctx);
 }
 
 static int reg_event_syscall_enter(struct trace_event_file *file,