From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Sat, 2 Jul 2011 13:03:44 +0000 (+0200)
Subject: x86: Remove useless unwinder backlink from irq regs saving
X-Git-Tag: v3.1-rc1~299^2~16^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48ffee7d9e6df51b4957bed64115b7beed671374;p=pandora-kernel.git

x86: Remove useless unwinder backlink from irq regs saving

The unwinder backlink in interrupt entry is very useless.
It's actually not part of the stack frame chain and thus is
never used.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jan Beulich <JBeulich@novell.com>
---

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