From 7523c4dd9923cab748dad9b79d0165e118e3d03b Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 4 Jan 2007 01:21:28 +0900
Subject: [PATCH] [PATCH] x86_64: Fix dump_trace()

If caller passed the tsk, we should use it to validate a stack ptr.
Otherwise, sysrq-t and other debugging stuff doesn't work.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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