x86: x86 user_regset cleanup

This removes a bunch of dead code that is no longer needed now
that the user_regset interfaces are being used for all these jobs.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 19 deletions

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index e3a3610ade10..78d80067b7f9 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -544,24 +544,6 @@ out:
  */
 #define loaddebug(thread, r) set_debugreg(thread->debugreg ## r, r)
 
-/*
- * Capture the user space registers if the task is not running (in user space)
- */
-int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
-{
-        struct pt_regs *pp, ptregs;
-
-        pp = task_pt_regs(tsk);
-
-        ptregs = *pp;
-        ptregs.cs &= 0xffff;
-        ptregs.ss &= 0xffff;
-
-        elf_core_copy_regs(regs, &ptregs);
-
-        return 1;
-}
-
 static inline void __switch_to_xtra(struct task_struct *prev_p,
                                     struct task_struct *next_p,
                                     struct tss_struct *tss)
@@ -929,4 +911,3 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
         unsigned long range_end = mm->brk + 0x02000000;
         return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
 }
-