linux-kernel - [PATCH 11/32] frv: copy_thread(): rename 'arg' argument to 'kthread

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Message-Id: <1426270496-26362-1-git-send-email-alexinbeijing@gmail.com>
Date:	Fri, 13 Mar 2015 20:14:34 +0200
From:	Alex Dowad <alexinbeijing@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	David Howells <dhowells@...hat.com>
Subject: [PATCH 11/32] frv: copy_thread(): rename 'arg' argument to 'kthread_arg'

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 <alexinbeijing@...il.com>
---
 arch/frv/kernel/process.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 5d40aeb77..bca9f55 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -123,10 +123,10 @@ inline unsigned long user_stack(const struct pt_regs *regs)
 }
 
 /*
- * set up the kernel stack and exception frames for a new process
+ * Copy architecture-specific thread state
  */
 int copy_thread(unsigned long clone_flags,
-		unsigned long usp, unsigned long arg,
+		unsigned long usp, unsigned long kthread_arg,
 		struct task_struct *p)
 {
 	struct pt_regs *childregs;
@@ -145,8 +145,9 @@ int copy_thread(unsigned long clone_flags,
 	p->thread.frame0 = childregs;
 
 	if (unlikely(p->flags & PF_KTHREAD)) {
+		/* kernel thread */
 		childregs->gr9 = usp; /* function */
-		childregs->gr8 = arg;
+		childregs->gr8 = kthread_arg;
 		p->thread.pc = (unsigned long) ret_from_kernel_thread;
 		save_user_regs(p->thread.user);
 		return 0;
-- 
2.0.0.GIT

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