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[IA64] MCA/INIT: remove obsolete unwind code

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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>
This commit is contained in:
Keith Owens 2005-09-11 17:24:42 +10:00 committed by Tony Luck
parent 05f335ea04
commit 49a28cc8fd
2 changed files with 0 additions and 29 deletions
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22
arch/ia64/kernel/unwind.c
View File

@ -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)
{

7
include/asm-ia64/unwind.h
View 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);