From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1945940AbbCMSVG (ORCPT ); Fri, 13 Mar 2015 14:21:06 -0400 Received: from mail-wg0-f51.google.com ([74.125.82.51]:34225 "EHLO mail-wg0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932464AbbCMSPU (ORCPT ); Fri, 13 Mar 2015 14:15:20 -0400 From: Alex Dowad To: linux-kernel@vger.kernel.org Subject: [PATCH 14/32] m32r: copy_thread(): rename 'arg' argument to 'kthread_arg' Date: Fri, 13 Mar 2015 20:14:37 +0200 Message-Id: <1426270496-26362-4-git-send-email-alexinbeijing@gmail.com> X-Mailer: git-send-email 2.0.0.GIT In-Reply-To: <1426270496-26362-1-git-send-email-alexinbeijing@gmail.com> References: <1426270496-26362-1-git-send-email-alexinbeijing@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- arch/m32r/kernel/process.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index e69221d..6d5edf2 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -128,21 +128,25 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) return 0; /* Task didn't use the fpu at all. */ } +/* + * Copy architecture-specific thread state + */ int copy_thread(unsigned long clone_flags, unsigned long spu, - unsigned long arg, struct task_struct *tsk) + unsigned long kthread_arg, struct task_struct *tsk) { struct pt_regs *childregs = task_pt_regs(tsk); extern void ret_from_fork(void); extern void ret_from_kernel_thread(void); if (unlikely(tsk->flags & PF_KTHREAD)) { + /* kernel thread */ memset(childregs, 0, sizeof(struct pt_regs)); childregs->psw = M32R_PSW_BIE; childregs->r1 = spu; /* fn */ - childregs->r0 = arg; + childregs->r0 = kthread_arg; tsk->thread.lr = (unsigned long)ret_from_kernel_thread; } else { - /* Copy registers */ + /* user thread: copy registers */ *childregs = *current_pt_regs(); if (spu) childregs->spu = spu; -- 2.0.0.GIT