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[PATCH] x86_64: Fix backtracing for interrupt stacks
authorAndi Kleen <ak@suse.de>
Wed, 2 Aug 2006 20:37:28 +0000 (22:37 +0200)
committerLinus Torvalds <torvalds@g5.osdl.org>
Thu, 3 Aug 2006 03:19:54 +0000 (20:19 -0700)
Re-add backlink for old style unwinder to stack switching.  Add proper
stack frame and CFI annotations to call_softirq

This prevents a oops when backtracing with fallback through the
interrupt stack top.

Suggested by Jan Beulich and Herbert Xu wanted it in 2.6.18.

Cc: jbeulich@novell.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

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