[IA64] MCA/INIT: remove obsolete unwind code
Keith Owens [Sun, 11 Sep 2005 07:24:42 +0000 (17:24 +1000)]
Delete the special case unwind code that was only used by the old
MCA/INIT handler.

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

arch/ia64/kernel/unwind.c
include/asm-ia64/unwind.h

index 3288be4..93d5a3b 100644 (file)
@@ -2020,28 +2020,6 @@ init_frame_info (struct unw_frame_info *info, struct task_struct *t,
 }
 
 void
-unw_init_from_interruption (struct unw_frame_info *info, struct task_struct *t,
-                           struct pt_regs *pt, struct switch_stack *sw)
-{
-       unsigned long sof;
-
-       init_frame_info(info, t, sw, pt->r12);
-       info->cfm_loc = &pt->cr_ifs;
-       info->unat_loc = &pt->ar_unat;
-       info->pfs_loc = &pt->ar_pfs;
-       sof = *info->cfm_loc & 0x7f;
-       info->bsp = (unsigned long) ia64_rse_skip_regs((unsigned long *) info->regstk.top, -sof);
-       info->ip = pt->cr_iip + ia64_psr(pt)->ri;
-       info->pt = (unsigned long) pt;
-       UNW_DPRINT(3, "unwind.%s:\n"
-                  "  bsp    0x%lx\n"
-                  "  sof    0x%lx\n"
-                  "  ip     0x%lx\n",
-                  __FUNCTION__, info->bsp, sof, info->ip);
-       find_save_locs(info);
-}
-
-void
 unw_init_frame_info (struct unw_frame_info *info, struct task_struct *t, struct switch_stack *sw)
 {
        unsigned long sol;
index 61426ad..5df0276 100644 (file)
@@ -114,13 +114,6 @@ extern void unw_remove_unwind_table (void *handle);
  */
 extern void unw_init_from_blocked_task (struct unw_frame_info *info, struct task_struct *t);
 
-/*
- * Prepare to unwind from interruption.  The pt-regs and switch-stack structures must have
- * be "adjacent" (no state modifications between pt-regs and switch-stack).
- */
-extern void unw_init_from_interruption (struct unw_frame_info *info, struct task_struct *t,
-                                       struct pt_regs *pt, struct switch_stack *sw);
-
 extern void unw_init_frame_info (struct unw_frame_info *info, struct task_struct *t,
                                 struct switch_stack *sw);