diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2019-11-12 08:43:25 -0800 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2019-11-26 11:33:39 -0800 |
| commit | 8951eb1530ddf83dbb815d38e97afddc6a0d1140 (patch) | |
| tree | 5644832fa8897c78777d75ceba0a0b11ffa1cdfb /arch/xtensa | |
| parent | c5fccebc138b1f5a5b57acecdbf1530e41ebea17 (diff) | |
xtensa: make stack dump size configurable
Introduce Kconfig symbol PRINT_STACK_DEPTH and use it to initialize
kstack_depth_to_print.
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/Kconfig.debug | 7 | ||||
| -rw-r--r-- | arch/xtensa/kernel/traps.c | 2 |
2 files changed, 8 insertions, 1 deletions
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) { |