x86/asm/entry/64: Remove thread_struct::usersp

[deliverable/linux.git] / arch / x86 / kernel / process_64.c

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 59696d76a4e33796023934be9b98d9e96c20d18e..14df2be4711f56029f26a578cfdc29256a301637 100644 (file)
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -161,7 +161,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
        p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE;
        childregs = task_pt_regs(p);
        p->thread.sp = (unsigned long) childregs;
-       p->thread.usersp = me->thread.usersp;
        set_tsk_thread_flag(p, TIF_FORK);
        p->thread.io_bitmap_ptr = NULL;
 
@@ -235,7 +234,6 @@ start_thread_common(struct pt_regs *regs, unsigned long new_ip,
        loadsegment(es, _ds);
        loadsegment(ds, _ds);
        load_gs_index(0);
-       current->thread.usersp  = new_sp;
        regs->ip                = new_ip;
        regs->sp                = new_sp;
        regs->cs                = _cs;
@@ -397,7 +395,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
        /*
         * Switch the PDA and FPU contexts.
         */
-       prev->usersp = this_cpu_read(old_rsp);
        this_cpu_write(current_task, next_p);
 
        /*