From: Keith Owens <kaos@sgi.com>
Date: Sun, 11 Sep 2005 07:24:42 +0000 (+1000)
Subject: [IA64] MCA/INIT: remove obsolete unwind code
X-Git-Tag: v2.6.14-rc1~111^2~2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=49a28cc8fd26f5317c47a9aeb2bdd1c33e21738e

[IA64] MCA/INIT: remove obsolete unwind code

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>
---

diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index 3288be47bc75..93d5a3b41f69 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -2019,28 +2019,6 @@ init_frame_info (struct unw_frame_info *info, struct task_struct *t,
 	STAT(unw.stat.api.init_time += ia64_get_itc() - start; local_irq_restore(flags));
 }
 
-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)
 {
diff --git a/include/asm-ia64/unwind.h b/include/asm-ia64/unwind.h
index 61426ad3ecdb..5df0276b0493 100644
--- a/include/asm-ia64/unwind.h
+++ b/include/asm-ia64/unwind.h
@@ -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);