linux-kernel - [PATCHv3 16/32] metag: copy_thread(): rename 'arg' argument to 'kthread

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Message-Id: <1426516727-20692-1-git-send-email-alexinbeijing@gmail.com>
Date:	Mon, 16 Mar 2015 16:38:47 +0200
From:	Alex Dowad <alexinbeijing@...il.com>
To:	james.hogan@...tec.com
Cc:	linux-kernel@...r.kernel.org, linux-metag@...r.kernel.org
Subject: [PATCHv3 16/32] metag: 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.

Signed-off-by: Alex Dowad <alexinbeijing@...il.com>
---

Fixed problem with whitespace, sending again. AD

 arch/metag/kernel/process.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/metag/kernel/process.c b/arch/metag/kernel/process.c
index 483dff9..dcb4609 100644
--- a/arch/metag/kernel/process.c
+++ b/arch/metag/kernel/process.c
@@ -174,8 +174,11 @@ void show_regs(struct pt_regs *regs)
 	show_trace(NULL, (unsigned long *)regs->ctx.AX[0].U0, regs);
 }
 
+/*
+ * Copy architecture-specific thread state
+ */
 int copy_thread(unsigned long clone_flags, unsigned long usp,
-		unsigned long arg, struct task_struct *tsk)
+		unsigned long kthread_arg, struct task_struct *tsk)
 {
 	struct pt_regs *childregs = task_pt_regs(tsk);
 	void *kernel_context = ((void *) childregs +
@@ -204,10 +207,11 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 		childregs->ctx.AX[0].U0 = (unsigned long) kernel_context;
-		/* Set D1Ar1=arg and D1RtP=usp (fn) */
+ 	/* Set D1Ar1=kthread_arg and D1RtP=usp (fn) */
 		childregs->ctx.DX[4].U1 = usp;
-		childregs->ctx.DX[3].U1 = arg;
+		childregs->ctx.DX[3].U1 = kthread_arg;
 		tsk->thread.int_depth = 2;
 		return 0;
 	}
+
 	/*
 	 * Get a pointer to where the new child's register block should have
 	 * been pushed.
-- 
2.0.0.GIT

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