[PATCH 2.6.13 7/7] MCA/INIT: remove obsolete unwind code

Keith Owens
2005-08-30T05:04:52Z

Delete the special case unwind code that was only used by the old
MCA/INIT handler.

Signed-off-by: Keith Owens <kaos@sgi.com>

---

arch/ia64/kernel/unwind.c | 22 ----------------------
include/asm-ia64/unwind.h | 7 -------
2 files changed, 29 deletions(-)

Index: linux/arch/ia64/kernel/unwind.c
=================================--- linux.orig/arch/ia64/kernel/unwind.c 2005-08-12 17:19:20.903916664 +1000
+++ linux/arch/ia64/kernel/unwind.c 2005-08-12 17:22:26.545613275 +1000
@@ -2020,28 +2020,6 @@ init_frame_info (struct unw_frame_info *
}

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: linux/include/asm-ia64/unwind.h
=================================--- linux.orig/include/asm-ia64/unwind.h 2005-08-12 17:19:20.900986975 +1000
+++ linux/include/asm-ia64/unwind.h 2005-08-12 17:22:32.848350877 +1000
@@ -114,13 +114,6 @@ extern void unw_remove_unwind_table (voi
*/
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);