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[PATCH] x86_64: Document backtracer selection options

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Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Andi Kleen 2006-07-28 14:44:54 +02:00 committed by Linus Torvalds
parent b13761ecd1
commit b783fd925c
1 changed files with 7 additions and 0 deletions
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7
Documentation/x86_64/boot-options.txt
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@ -238,6 +238,13 @@ Debugging
pagefaulttrace Dump all page faults. Only useful for extreme debugging
and will create a lot of output.
call_trace=[old|both|newfallback|new]
old: use old inexact backtracer
new: use new exact dwarf2 unwinder
both: print entries from both
newfallback: use new unwinder but fall back to old if it gets
stuck (default)
Misc
noreplacement Don't replace instructions with more appropriate ones