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Diffstat (limited to 'arch/sparc/kernel/process_64.c')
-rw-r--r--arch/sparc/kernel/process_64.c24
1 files changed, 7 insertions, 17 deletions
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index f5b2cac8669f..6335b698a4b4 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);
@@ -574,9 +564,11 @@ barf:
* Parent --> %o0 == childs pid, %o1 == 0
* Child --> %o0 == parents pid, %o1 == 1
*/
-int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
- struct task_struct *p, unsigned long tls)
+int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
{
+ unsigned long clone_flags = args->flags;
+ unsigned long sp = args->stack;
+ unsigned long tls = args->tls;
struct thread_info *t = task_thread_info(p);
struct pt_regs *regs = current_pt_regs();
struct sparc_stackf *parent_sf;
@@ -594,13 +586,12 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
sizeof(struct sparc_stackf));
t->fpsaved[0] = 0;
- if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) {
+ if (unlikely(args->fn)) {
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;
+ t->kregs->u_regs[UREG_G1] = (unsigned long) args->fn;
+ t->kregs->u_regs[UREG_G2] = (unsigned long) args->fn_arg;
return 0;
}
@@ -613,7 +604,6 @@ 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;