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authorIngo Molnar <mingo@elte.hu>2008-06-27 21:20:17 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-30 09:20:55 +0200
commit8594698ebddeef5443b7da8258ae33b3eaca61d5 (patch)
tree3d775d11b2bc01a0031a716329cfafb95d1cc48f
parent4e6a0535dd036377961027262aecb138099f925d (diff)
downloadop-kernel-dev-8594698ebddeef5443b7da8258ae33b3eaca61d5.zip
op-kernel-dev-8594698ebddeef5443b7da8258ae33b3eaca61d5.tar.gz
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.c2
-rw-r--r--kernel/stacktrace.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index c28c342..a03e7f6 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 7eaea9d..94b527e 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);
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