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Remove stack unwinder for now

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It has caused more problems than it ever really solved, and is
apparently not getting cleaned up and fixed.  We can put it back when
it's stable and isn't likely to make warning or bug events worse.

In the meantime, enable frame pointers for more readable stack traces.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds
2006-12-15 08:43:13 -08:00
parent d1998ef38a
commit d1526e2cda
17 changed files with 3 additions and 1870 deletions
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18
lib/Kconfig.debug
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@@ -354,24 +354,6 @@ config FRAME_POINTER
some architectures or if you use external debuggers.
If you don't debug the kernel, you can say N.
config UNWIND_INFO
bool "Compile the kernel with frame unwind information"
depends on !IA64 && !PARISC && !ARM
depends on !MODULES || !(MIPS || PPC || SUPERH || V850)
help
If you say Y here the resulting kernel image will be slightly larger
but not slower, and it will give very useful debugging information.
If you don't debug the kernel, you can say N, but we may not be able
to solve problems without frame unwind information or frame pointers.
config STACK_UNWIND
bool "Stack unwind support"
depends on UNWIND_INFO
depends on X86
help
This enables more precise stack traces, omitting all unrelated
occurrences of pointers into kernel code from the dump.
config FORCED_INLINING
bool "Force gcc to inline functions marked 'inline'"
depends on DEBUG_KERNEL