提交 49a28cc8 编写于 作者: K Keith Owens 提交者: Tony Luck

[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: NKeith Owens <kaos@sgi.com>
Signed-off-by: NTony Luck <tony.luck@intel.com>
上级 05f335ea
...@@ -2019,28 +2019,6 @@ init_frame_info (struct unw_frame_info *info, struct task_struct *t, ...@@ -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)); 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 void
unw_init_frame_info (struct unw_frame_info *info, struct task_struct *t, struct switch_stack *sw) unw_init_frame_info (struct unw_frame_info *info, struct task_struct *t, struct switch_stack *sw)
{ {
......
...@@ -114,13 +114,6 @@ extern void unw_remove_unwind_table (void *handle); ...@@ -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); 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, extern void unw_init_frame_info (struct unw_frame_info *info, struct task_struct *t,
struct switch_stack *sw); struct switch_stack *sw);
......
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