The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity (and consistency
with do_fork() and other arch-specific implementations of copy_thread()).

Signed-off-by: Alex Dowad <alexinbeij...@gmail.com>
---
 arch/cris/arch-v32/kernel/process.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/cris/arch-v32/kernel/process.c 
b/arch/cris/arch-v32/kernel/process.c
index cebd32e..dc55e6c 100644
--- a/arch/cris/arch-v32/kernel/process.c
+++ b/arch/cris/arch-v32/kernel/process.c
@@ -101,9 +101,12 @@ unsigned long thread_saved_pc(struct task_struct *t)
 extern asmlinkage void ret_from_fork(void);
 extern asmlinkage void ret_from_kernel_thread(void);
 
+/*
+ * Copy architecture-specific thread state
+ */
 int
 copy_thread(unsigned long clone_flags, unsigned long usp,
-       unsigned long arg, struct task_struct *p)
+       unsigned long kthread_arg, struct task_struct *p)
 {
        struct pt_regs *childregs = task_pt_regs(p);
        struct switch_stack *swstack = ((struct switch_stack *) childregs) - 1;
@@ -114,10 +117,11 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
         * task.
         */
        if (unlikely(p->flags & PF_KTHREAD)) {
+               /* kernel thread */
                memset(swstack, 0,
                        sizeof(struct switch_stack) + sizeof(struct pt_regs));
                swstack->r1 = usp;
-               swstack->r2 = arg;
+               swstack->r2 = kthread_arg;
                childregs->ccs = 1 << (I_CCS_BITNR + CCS_SHIFT);
                swstack->return_ip = (unsigned long) ret_from_kernel_thread;
                p->thread.ksp = (unsigned long) swstack;
-- 
2.0.0.GIT

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to