From 66fa9b107e259d01929fe647796b3021d3a83c4a Mon Sep 17 00:00:00 2001
From: Keith Owens <kaos@sgi.com>
Date: Tue, 26 Jun 2007 16:25:22 +1000
Subject: [PATCH] [IA64] Correct unwind validation code

Both rp_loc and pfs_loc can be in the register stack area _or_ they can
be in the memory stack area, the latter occurs when a struct pt_regs is
pushed.  Correct the validation check on these fields to check for both
stack areas.  Not allowing for memory stack locations means no
backtrace past ia64_leave_kernel, or any other code that uses
PT_REGS_UNWIND_INFO.

Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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