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-rw-r--r--arch/ia64/kernel/process.c59
1 files changed, 7 insertions, 52 deletions
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 9bcec99..d92765c 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -33,7 +33,6 @@
#include <asm/cpu.h>
#include <asm/delay.h>
#include <asm/elf.h>
-#include <asm/ia32.h>
#include <asm/irq.h>
#include <asm/kexec.h>
#include <asm/pgalloc.h>
@@ -60,6 +59,10 @@ unsigned long idle_halt;
EXPORT_SYMBOL(idle_halt);
unsigned long idle_nomwait;
EXPORT_SYMBOL(idle_nomwait);
+void (*pm_idle) (void);
+EXPORT_SYMBOL(pm_idle);
+void (*pm_power_off) (void);
+EXPORT_SYMBOL(pm_power_off);
void
ia64_do_show_stack (struct unw_frame_info *info, void *arg)
@@ -358,11 +361,6 @@ ia64_save_extra (struct task_struct *task)
if (info & PFM_CPUINFO_SYST_WIDE)
pfm_syst_wide_update_task(task, info, 0);
#endif
-
-#ifdef CONFIG_IA32_SUPPORT
- if (IS_IA32_PROCESS(task_pt_regs(task)))
- ia32_save_state(task);
-#endif
}
void
@@ -383,11 +381,6 @@ ia64_load_extra (struct task_struct *task)
if (info & PFM_CPUINFO_SYST_WIDE)
pfm_syst_wide_update_task(task, info, 1);
#endif
-
-#ifdef CONFIG_IA32_SUPPORT
- if (IS_IA32_PROCESS(task_pt_regs(task)))
- ia32_load_state(task);
-#endif
}
/*
@@ -426,7 +419,7 @@ copy_thread(unsigned long clone_flags,
unsigned long user_stack_base, unsigned long user_stack_size,
struct task_struct *p, struct pt_regs *regs)
{
- extern char ia64_ret_from_clone, ia32_ret_from_clone;
+ extern char ia64_ret_from_clone;
struct switch_stack *child_stack, *stack;
unsigned long rbs, child_rbs, rbs_size;
struct pt_regs *child_ptregs;
@@ -457,7 +450,7 @@ copy_thread(unsigned long clone_flags,
memcpy((void *) child_rbs, (void *) rbs, rbs_size);
if (likely(user_mode(child_ptregs))) {
- if ((clone_flags & CLONE_SETTLS) && !IS_IA32_PROCESS(regs))
+ if (clone_flags & CLONE_SETTLS)
child_ptregs->r13 = regs->r16; /* see sys_clone2() in entry.S */
if (user_stack_base) {
child_ptregs->r12 = user_stack_base + user_stack_size - 16;
@@ -477,10 +470,7 @@ copy_thread(unsigned long clone_flags,
child_ptregs->r13 = (unsigned long) p; /* set `current' pointer */
}
child_stack->ar_bspstore = child_rbs + rbs_size;
- if (IS_IA32_PROCESS(regs))
- child_stack->b0 = (unsigned long) &ia32_ret_from_clone;
- else
- child_stack->b0 = (unsigned long) &ia64_ret_from_clone;
+ child_stack->b0 = (unsigned long) &ia64_ret_from_clone;
/* copy parts of thread_struct: */
p->thread.ksp = (unsigned long) child_stack - 16;
@@ -515,22 +505,6 @@ copy_thread(unsigned long clone_flags,
p->thread.flags = ((current->thread.flags & ~THREAD_FLAGS_TO_CLEAR)
| THREAD_FLAGS_TO_SET);
ia64_drop_fpu(p); /* don't pick up stale state from a CPU's fph */
-#ifdef CONFIG_IA32_SUPPORT
- /*
- * If we're cloning an IA32 task then save the IA32 extra
- * state from the current task to the new task
- */
- if (IS_IA32_PROCESS(task_pt_regs(current))) {
- ia32_save_state(p);
- if (clone_flags & CLONE_SETTLS)
- retval = ia32_clone_tls(p, child_ptregs);
-
- /* Copy partially mapped page list */
- if (!retval)
- retval = ia32_copy_ia64_partial_page_list(p,
- clone_flags);
- }
-#endif
#ifdef CONFIG_PERFMON
if (current->thread.pfm_context)
@@ -704,15 +678,6 @@ EXPORT_SYMBOL(kernel_thread);
int
kernel_thread_helper (int (*fn)(void *), void *arg)
{
-#ifdef CONFIG_IA32_SUPPORT
- if (IS_IA32_PROCESS(task_pt_regs(current))) {
- /* A kernel thread is always a 64-bit process. */
- current->thread.map_base = DEFAULT_MAP_BASE;
- current->thread.task_size = DEFAULT_TASK_SIZE;
- ia64_set_kr(IA64_KR_IO_BASE, current->thread.old_iob);
- ia64_set_kr(IA64_KR_TSSD, current->thread.old_k1);
- }
-#endif
return (*fn)(arg);
}
@@ -725,14 +690,6 @@ flush_thread (void)
/* drop floating-point and debug-register state if it exists: */
current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID);
ia64_drop_fpu(current);
-#ifdef CONFIG_IA32_SUPPORT
- if (IS_IA32_PROCESS(task_pt_regs(current))) {
- ia32_drop_ia64_partial_page_list(current);
- current->thread.task_size = IA32_PAGE_OFFSET;
- set_fs(USER_DS);
- memset(current->thread.tls_array, 0, sizeof(current->thread.tls_array));
- }
-#endif
}
/*
@@ -753,8 +710,6 @@ exit_thread (void)
if (current->thread.flags & IA64_THREAD_DBG_VALID)
pfm_release_debug_registers(current);
#endif
- if (IS_IA32_PROCESS(task_pt_regs(current)))
- ia32_drop_ia64_partial_page_list(current);
}
unsigned long
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