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[PATCH] x86_64: reliable stack trace support (x86-64)

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These are the x86_64-specific pieces to enable reliable stack traces. The
only restriction with this is that it currently cannot unwind across the
interrupt->normal stack boundary, as that transition is lacking proper
annotation.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jan Beulich
2006-06-26 13:57:32 +02:00
committed by Linus Torvalds
parent 4552d5dc08
commit b538ed278b
7 changed files with 199 additions and 9 deletions
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2
lib/Kconfig.debug
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@@ -199,7 +199,7 @@ config UNWIND_INFO
config STACK_UNWIND
bool "Stack unwind support"
depends on UNWIND_INFO
depends on n
depends on X86_64
help
This enables more precise stack traces, omitting all unrelated
occurrences of pointers into kernel code from the dump.