bfin: switch to generic vfork, get rid of pointless wrappers
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index da8df0e..e5ae8fc 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -127,28 +127,13 @@
{
}
-asmlinkage int bfin_vfork(struct pt_regs *regs)
+asmlinkage int bfin_clone(unsigned long clone_flags, unsigned long newsp)
{
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), regs, 0, NULL,
- NULL);
-}
-
-asmlinkage int bfin_clone(struct pt_regs *regs)
-{
- unsigned long clone_flags;
- unsigned long newsp;
-
#ifdef __ARCH_SYNC_CORE_DCACHE
if (current->nr_cpus_allowed == num_possible_cpus())
set_cpus_allowed_ptr(current, cpumask_of(smp_processor_id()));
#endif
-
- /* syscall2 puts clone_flags in r0 and usp in r1 */
- clone_flags = regs->r0;
- newsp = regs->r1;
- if (!newsp)
- newsp = rdusp();
- else
+ if (newsp)
newsp -= 12;
return do_fork(clone_flags, newsp, regs, 0, NULL, NULL);
}
@@ -174,7 +159,7 @@
} else {
*childregs = *regs;
childregs->r0 = 0;
- p->thread.usp = usp;
+ p->thread.usp = usp ? : rdusp();
v[0] = v[1] = 0;
}