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Commit afa86fc4 authored by Al Viro's avatar Al Viro
Browse files

flagday: don't pass regs to copy_thread() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 135c37b8

arch/alpha/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -241,7 +241,7 @@ release_thread(struct task_struct *dead_task) 
int

copy_thread(unsigned long clone_flags, unsigned long usp,

	    unsigned long arg,

	    struct task_struct *p, struct pt_regs *wontuse)

	    struct task_struct *p)

{

	extern void ret_from_fork(void);

	extern void ret_from_kernel_thread(void);

arch/arm/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -376,7 +376,7 @@ asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); 


int

copy_thread(unsigned long clone_flags, unsigned long stack_start,

	    unsigned long stk_sz, struct task_struct *p, struct pt_regs *unused)

	    unsigned long stk_sz, struct task_struct *p)

{

	struct thread_info *thread = task_thread_info(p);

	struct pt_regs *childregs = task_pt_regs(p);

arch/arm64/kernel/process.c

+1 −2
Original line number Diff line number Diff line
@@ -234,8 +234,7 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) 
asmlinkage void ret_from_fork(void) asm("ret_from_fork");



int copy_thread(unsigned long clone_flags, unsigned long stack_start,

		unsigned long stk_sz, struct task_struct *p,

		struct pt_regs *unused)

		unsigned long stk_sz, struct task_struct *p)

{

	struct pt_regs *childregs = task_pt_regs(p);

	unsigned long tls = p->thread.tp_value;

arch/avr32/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -299,7 +299,7 @@ asmlinkage void syscall_return(void); 


int copy_thread(unsigned long clone_flags, unsigned long usp,

		unsigned long arg,

		struct task_struct *p, struct pt_regs *unused)

		struct task_struct *p)

{

	struct pt_regs *childregs = task_pt_regs(p);

arch/blackfin/kernel/process.c

+3 −3
Original line number Diff line number Diff line
@@ -141,14 +141,14 @@ asmlinkage int bfin_clone(unsigned long clone_flags, unsigned long newsp) 
int

copy_thread(unsigned long clone_flags,

	    unsigned long usp, unsigned long topstk,

	    struct task_struct *p, struct pt_regs *regs)

	    struct task_struct *p)

{

	struct pt_regs *childregs;

	unsigned long *v;



	childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1;

	v = ((unsigned long *)childregs) - 2;

	if (unlikely(!regs)) {

	if (unlikely(p->flags & PF_KTHREAD)) {

		memset(childregs, 0, sizeof(struct pt_regs));

		v[0] = usp;

		v[1] = topstk;
@@ -157,7 +157,7 @@ copy_thread(unsigned long clone_flags, 
		__asm__ __volatile__("%0 = syscfg;":"=da"(childregs->syscfg):);

		p->thread.usp = 0;

	} else {

		*childregs = *regs;

		*childregs = *current_pt_regs();

		childregs->r0 = 0;

		p->thread.usp = usp ? : rdusp();

		v[0] = v[1] = 0;