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x86: don't pretend that non-framepointer stack traces are reliable

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Without frame pointers enabled, the x86 stack traces should not
pretend to be reliable; instead they should just be what they are:
unreliable.

The effect of this is that they have a '?' printed in the stacktrace,
to warn the reader that these entries are guesses rather than known
based on more reliable information.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arjan van de Ven 2009-02-07 12:23:37 -08:00 committed by Ingo Molnar
parent d5e397cb49
commit 2c344e9d6e
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/dumpstack.c
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@ -99,7 +99,7 @@ print_context_stack(struct thread_info *tinfo,
frame = frame->next_frame;
bp = (unsigned long) frame;
} else {
ops->address(data, addr, bp == 0);
ops->address(data, addr, 0);
}
print_ftrace_graph_addr(addr, data, ops, tinfo, graph);
}