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ANDROID: stacktrace: export stack_trace_save_tsk/regs

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Export stack_trace_save_tsk and stack_trace_save_regs so that modules
can use it to get the stacktrace of specific tasks or pt_regs.

Bug: 220704805
Signed-off-by: Sangmoon Kim <sangmoon.kim@samsung.com>
Change-Id: I568e5d8c3e2474a0dce96da6adb4eec2583d45d2
This commit is contained in:
Sangmoon Kim
2022-02-21 20:31:58 +09:00
committed by Saravana Kannan
parent 44e5824602
commit db42a16b80
1 changed files with 2 additions and 0 deletions
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kernel/stacktrace.c
+2
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@@ -151,6 +151,7 @@ unsigned int stack_trace_save_tsk(struct task_struct *tsk, unsigned long *store,
put_task_stack(tsk);
return c.len;
}
EXPORT_SYMBOL_GPL(stack_trace_save_tsk);
/**
* stack_trace_save_regs - Save a stack trace based on pt_regs into a storage array
@@ -174,6 +175,7 @@ unsigned int stack_trace_save_regs(struct pt_regs *regs, unsigned long *store,
arch_stack_walk(consume_entry, &c, current, regs);
return c.len;
}
EXPORT_SYMBOL_GPL(stack_trace_save_regs);
#ifdef CONFIG_HAVE_RELIABLE_STACKTRACE
/**