1 files changed, 0 insertions, 82 deletions
diff --git a/target/linux/orion/patches/001-latencytop_support.patch b/target/linux/orion/patches/001-latencytop_support.patch
deleted file mode 100644
index a1fbc17f54..0000000000
--- a/target/linux/orion/patches/001-latencytop_support.patch
+++ /dev/null
@@ -1,82 +0,0 @@
-From: Nicolas Pitre <nico@cam.org>
-
-Signed-off-by: Nicolas Pitre <nico@marvell.com>
-Tested-by: Lennert Buytenhek <buytenh@marvell.com>
-Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
----
- arch/arm/Kconfig             |    4 ++++
- arch/arm/kernel/stacktrace.c |   26 ++++++++++++++++++++++----
- 2 files changed, 26 insertions(+), 4 deletions(-)
-
---- a/arch/arm/Kconfig
-+++ b/arch/arm/Kconfig
-@@ -84,6 +84,10 @@
- 	bool
- 	default y
- 
-+config HAVE_LATENCYTOP_SUPPORT
-+	bool
-+	default y
-+
- config LOCKDEP_SUPPORT
- 	bool
- 	default y
---- a/arch/arm/kernel/stacktrace.c
-+++ b/arch/arm/kernel/stacktrace.c
-@@ -36,6 +36,7 @@
- #ifdef CONFIG_STACKTRACE
- struct stack_trace_data {
- 	struct stack_trace *trace;
-+	unsigned int no_sched_functions;
- 	unsigned int skip;
- };
- 
-@@ -43,27 +44,44 @@
- {
- 	struct stack_trace_data *data = d;
- 	struct stack_trace *trace = data->trace;
-+	unsigned long addr = frame->lr;
- 
-+	if (data->no_sched_functions && in_sched_functions(addr))
-+		return 0;
- 	if (data->skip) {
- 		data->skip--;
- 		return 0;
- 	}
- 
--	trace->entries[trace->nr_entries++] = frame->lr;
-+	trace->entries[trace->nr_entries++] = addr;
- 
- 	return trace->nr_entries >= trace->max_entries;
- }
- 
--void save_stack_trace(struct stack_trace *trace)
-+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
- {
- 	struct stack_trace_data data;
- 	unsigned long fp, base;
- 
- 	data.trace = trace;
- 	data.skip = trace->skip;
--	base = (unsigned long)task_stack_page(current);
--	asm("mov %0, fp" : "=r" (fp));
-+	base = (unsigned long)task_stack_page(tsk);
-+
-+	if (tsk != current) {
-+		data.no_sched_functions = 1;
-+		fp = thread_saved_fp(tsk);
-+	} else {
-+		data.no_sched_functions = 0;
-+		asm("mov %0, fp" : "=r" (fp));
-+	}
- 
- 	walk_stackframe(fp, base, base + THREAD_SIZE, save_trace, &data);
-+	if (trace->nr_entries < trace->max_entries)
-+		trace->entries[trace->nr_entries++] = ULONG_MAX;
-+}
-+
-+void save_stack_trace(struct stack_trace *trace)
-+{
-+	save_stack_trace_tsk(current, trace);
- }
- #endif