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Diffstat (limited to 'arch/sparc/kernel/process_64.c')
-rw-r--r--arch/sparc/kernel/process_64.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index f5b2cac8669f..9a2ceb080ac9 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -106,18 +106,13 @@ static void show_regwindow32(struct pt_regs *regs)
{
struct reg_window32 __user *rw;
struct reg_window32 r_w;
- mm_segment_t old_fs;
__asm__ __volatile__ ("flushw");
rw = compat_ptr((unsigned int)regs->u_regs[14]);
- old_fs = get_fs();
- set_fs (USER_DS);
if (copy_from_user (&r_w, rw, sizeof(r_w))) {
- set_fs (old_fs);
return;
}
- set_fs (old_fs);
printk("l0: %08x l1: %08x l2: %08x l3: %08x "
"l4: %08x l5: %08x l6: %08x l7: %08x\n",
r_w.locals[0], r_w.locals[1], r_w.locals[2], r_w.locals[3],
@@ -136,7 +131,6 @@ static void show_regwindow(struct pt_regs *regs)
struct reg_window __user *rw;
struct reg_window *rwk;
struct reg_window r_w;
- mm_segment_t old_fs;
if ((regs->tstate & TSTATE_PRIV) || !(test_thread_flag(TIF_32BIT))) {
__asm__ __volatile__ ("flushw");
@@ -145,14 +139,10 @@ static void show_regwindow(struct pt_regs *regs)
rwk = (struct reg_window *)
(regs->u_regs[14] + STACK_BIAS);
if (!(regs->tstate & TSTATE_PRIV)) {
- old_fs = get_fs();
- set_fs (USER_DS);
if (copy_from_user (&r_w, rw, sizeof(r_w))) {
- set_fs (old_fs);
return;
}
rwk = &r_w;
- set_fs (old_fs);
}
} else {
show_regwindow32(regs);
@@ -598,7 +588,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
memset(child_trap_frame, 0, child_stack_sz);
__thread_flag_byte_ptr(t)[TI_FLAG_BYTE_CWP] =
(current_pt_regs()->tstate + 1) & TSTATE_CWP;
- t->current_ds = ASI_P;
t->kregs->u_regs[UREG_G1] = sp; /* function */
t->kregs->u_regs[UREG_G2] = arg;
return 0;
@@ -613,7 +602,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
t->kregs->u_regs[UREG_FP] = sp;
__thread_flag_byte_ptr(t)[TI_FLAG_BYTE_CWP] =
(regs->tstate + 1) & TSTATE_CWP;
- t->current_ds = ASI_AIUS;
if (sp != regs->u_regs[UREG_FP]) {
unsigned long csp;