[PATCH 1/2] stacktrace: Move struct stacktrace_cookie to stacktrace.h

From: Chen Jun
Date: Wed Mar 17 2021 - 10:24:00 EST


ARM64 need to modify the stacktrace_cookie->skip.

Signed-off-by: Chen Jun <chenjun102@xxxxxxxxxx>
---
include/linux/stacktrace.h | 7 +++++++
kernel/stacktrace.c | 7 -------
2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
index 50e2df3..238b276 100644
--- a/include/linux/stacktrace.h
+++ b/include/linux/stacktrace.h
@@ -25,6 +25,13 @@ unsigned int stack_trace_save_user(unsigned long *store, unsigned int size);
/* Internal interfaces. Do not use in generic code */
#ifdef CONFIG_ARCH_STACKWALK

+struct stacktrace_cookie {
+ unsigned long *store;
+ unsigned int size;
+ unsigned int skip;
+ unsigned int len;
+};
+
/**
* stack_trace_consume_fn - Callback for arch_stack_walk()
* @cookie: Caller supplied pointer handed back by arch_stack_walk()
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index 9f8117c..b072e8f 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -71,13 +71,6 @@ EXPORT_SYMBOL_GPL(stack_trace_snprint);

#ifdef CONFIG_ARCH_STACKWALK

-struct stacktrace_cookie {
- unsigned long *store;
- unsigned int size;
- unsigned int skip;
- unsigned int len;
-};
-
static bool stack_trace_consume_entry(void *cookie, unsigned long addr)
{
struct stacktrace_cookie *c = cookie;
--
2.9.4