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[S390] Convert sys_clone to function with parameters.

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Use function parameters instead of accessing the pt_regs structure
to get the parameters.
Also merge the 31 and 64 bit versions since they are identical.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2009-09-22 22:58:41 +02:00
committed by Martin Schwidefsky
parent 6541f7b68f
commit 2d70ca23f8
6 changed files with 13 additions and 28 deletions
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10
arch/s390/kernel/process.c
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@ -230,17 +230,11 @@ SYSCALL_DEFINE0(fork)
return do_fork(SIGCHLD, regs->gprs[15], regs, 0, NULL, NULL);
}
SYSCALL_DEFINE0(clone)
SYSCALL_DEFINE4(clone, unsigned long, newsp, unsigned long, clone_flags,
int __user *, parent_tidptr, int __user *, child_tidptr)
{
struct pt_regs *regs = task_pt_regs(current);
unsigned long clone_flags;
unsigned long newsp;
int __user *parent_tidptr, *child_tidptr;
clone_flags = regs->gprs[3];
newsp = regs->orig_gpr2;
parent_tidptr = (int __user *) regs->gprs[4];
child_tidptr = (int __user *) regs->gprs[5];
if (!newsp)
newsp = regs->gprs[15];
return do_fork(clone_flags, newsp, regs, 0,