diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-26 15:15:13 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-28 22:36:46 -0500 |
| commit | 27d892fb27f492921cfd6df15ab4153f1badbb46 (patch) | |
| tree | a5097f8bfe9614ec86db50a84b538afb8399033d /arch/cris/arch-v10 | |
| parent | 584271bcb45b50027c8d87b51634750780c92437 (diff) | |
cris: switch to generic fork/vfork/clone
same braindamage as on s390 - the first two arguments of clone(2) in the
wrong order.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/cris/arch-v10')
| -rw-r--r-- | arch/cris/arch-v10/kernel/process.c | 32 |
1 files changed, 4 insertions, 28 deletions
diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c index 1d6458287f38..520547c8b196 100644 --- a/arch/cris/arch-v10/kernel/process.c +++ b/arch/cris/arch-v10/kernel/process.c @@ -17,7 +17,7 @@ #include <arch/svinto.h> #include <linux/init.h> #include <arch/system.h> -#include <asm/ptrace.h> +#include <linux/ptrace.h> #ifdef CONFIG_ETRAX_GPIO void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */ @@ -95,7 +95,7 @@ asmlinkage void ret_from_kernel_thread(void); int copy_thread(unsigned long clone_flags, unsigned long usp, unsigned long arg, - struct task_struct *p, struct pt_regs *regs) + struct task_struct *p, struct pt_regs *unused) { struct pt_regs *childregs = task_pt_regs(p); struct switch_stack *swstack = ((struct switch_stack *)childregs) - 1; @@ -115,7 +115,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, p->thread.usp = 0; return 0; } - *childregs = *regs; /* struct copy of pt_regs */ + *childregs = *current_pt_regs(); /* struct copy of pt_regs */ childregs->r10 = 0; /* child returns 0 after a fork/clone */ @@ -129,7 +129,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, /* fix the user-mode stackpointer */ - p->thread.usp = usp; + p->thread.usp = usp ?: rdusp(); /* and the kernel-mode one */ @@ -143,30 +143,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, return 0; } -asmlinkage int sys_fork(void) -{ - return do_fork(SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL); -} - -/* if newusp is 0, we just grab the old usp */ -/* FIXME: Is parent_tid/child_tid really third/fourth argument? Update lib? */ -asmlinkage int sys_clone(unsigned long newusp, unsigned long flags, - int* parent_tid, int* child_tid) -{ - if (!newusp) - newusp = rdusp(); - return do_fork(flags, newusp, current_pt_regs(), 0, parent_tid, child_tid); -} - -/* vfork is a system call in i386 because of register-pressure - maybe - * we can remove it and handle it in libc but we put it here until then. - */ - -asmlinkage int sys_vfork(void) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL); -} - unsigned long get_wchan(struct task_struct *p) { #if 0 |