Introduce Kconfig symbol PRINT_STACK_DEPTH and use it to initialize
kstack_depth_to_print.
Reviewed-by: Petr Mladek <[email protected]>
Signed-off-by: Max Filippov <[email protected]>
---
Changes v2->v3:
- split Kconfig change into separate patch
arch/xtensa/Kconfig.debug | 7 +++++++
arch/xtensa/kernel/traps.c | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/xtensa/Kconfig.debug b/arch/xtensa/Kconfig.debug
index 39de98e20018..83cc8d12fa0e 100644
--- a/arch/xtensa/Kconfig.debug
+++ b/arch/xtensa/Kconfig.debug
@@ -31,3 +31,10 @@ config S32C1I_SELFTEST
It is easy to make wrong hardware configuration, this test should catch it early.
Say 'N' on stable hardware.
+
+config PRINT_STACK_DEPTH
+ int "Stack depth to print" if DEBUG_KERNEL
+ default 64
+ help
+ This option allows you to set the stack depth that the kernel
+ prints in stack traces.
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index be26ec6c0e0e..87bd68dd7687 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -495,7 +495,7 @@ void show_trace(struct task_struct *task, unsigned long *sp)
#define STACK_DUMP_ENTRY_SIZE 4
#define STACK_DUMP_LINE_SIZE 32
-static size_t kstack_depth_to_print = 24;
+static size_t kstack_depth_to_print = CONFIG_PRINT_STACK_DEPTH;
void show_stack(struct task_struct *task, unsigned long *sp)
{
--
2.20.1