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| author | Ingo Molnar <mingo@elte.hu> | 2008-06-27 21:20:17 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-30 09:20:55 +0200 |
| commit | 8594698ebddeef5443b7da8258ae33b3eaca61d5 (patch) | |
| tree | 3d775d11b2bc01a0031a716329cfafb95d1cc48f | |
| parent | 4e6a0535dd036377961027262aecb138099f925d (diff) | |
| download | lwn-8594698ebddeef5443b7da8258ae33b3eaca61d5.tar.gz lwn-8594698ebddeef5443b7da8258ae33b3eaca61d5.zip | |
stacktrace: fix modular build, export print_stack_trace and save_stack_trace
fix:
ERROR: "print_stack_trace" [kernel/backtracetest.ko] undefined!
ERROR: "save_stack_trace" [kernel/backtracetest.ko] undefined!
Signed-off-by: Ingo Molnar <mingo@elte.hu>
and fix:
Building modules, stage 2.
MODPOST 376 modules
ERROR: "print_stack_trace" [kernel/backtracetest.ko] undefined!
make[1]: *** [__modpost] Error 1
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/stacktrace.c | 2 | ||||
| -rw-r--r-- | kernel/stacktrace.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c index c28c342c162f..a03e7f6d90c3 100644 --- a/arch/x86/kernel/stacktrace.c +++ b/arch/x86/kernel/stacktrace.c @@ -74,6 +74,7 @@ void save_stack_trace(struct stack_trace *trace) if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } +EXPORT_SYMBOL_GPL(save_stack_trace); void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) { @@ -81,3 +82,4 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } +EXPORT_SYMBOL_GPL(save_stack_trace_tsk); diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c index 7eaea9d02a52..94b527ef1d1e 100644 --- a/kernel/stacktrace.c +++ b/kernel/stacktrace.c @@ -6,6 +6,7 @@ * Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> */ #include <linux/sched.h> +#include <linux/module.h> #include <linux/kallsyms.h> #include <linux/stacktrace.h> @@ -21,4 +22,5 @@ void print_stack_trace(struct stack_trace *trace, int spaces) print_ip_sym(trace->entries[i]); } } +EXPORT_SYMBOL_GPL(print_stack_trace); |