tree 6fe7bde9c86a4d5dffae53ab815b34362eb19571
parent 9be26f4c4b138c425598bd3cc50411bd87fce287
author Keith Owens <kaos@sgi.com> 1182839122 +1000
committer Tony Luck <tony.luck@intel.com> 1182889990 -0700

[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>