Commit 49a28cc8 authored by Keith Owens's avatar Keith Owens Committed by Tony Luck
Browse files

[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: default avatarKeith Owens <kaos@sgi.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 05f335ea

arch/ia64/kernel/unwind.c

+0 −22
Original line number Diff line number Diff line
@@ -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)

{

include/asm-ia64/unwind.h

+0 −7
Original line number Diff line number Diff line
@@ -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);