From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030317AbbCMSHv (ORCPT ); Fri, 13 Mar 2015 14:07:51 -0400 Received: from mail-we0-f169.google.com ([74.125.82.169]:40572 "EHLO mail-we0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932216AbbCMSHq (ORCPT ); Fri, 13 Mar 2015 14:07:46 -0400 From: Alex Dowad To: linux-kernel@vget.kernel.org Cc: Haavard Skinnemoen , Hans-Christian Egtvedt , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 06/32] avr32: copy_thread(): rename 'arg' argument to 'kthread_arg' Date: Fri, 13 Mar 2015 20:04:21 +0200 Message-Id: <1426269888-25600-6-git-send-email-alexinbeijing@gmail.com> X-Mailer: git-send-email 2.0.0.GIT In-Reply-To: <1426269888-25600-1-git-send-email-alexinbeijing@gmail.com> References: <1426269888-25600-1-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/avr32/kernel/process.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index 42a53e74..a255bd3 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -279,20 +279,25 @@ asmlinkage void ret_from_fork(void); asmlinkage void ret_from_kernel_thread(void); asmlinkage void syscall_return(void); +/* + * Copy architecture-specific thread state + */ int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long arg, + unsigned long kthread_arg, struct task_struct *p) { struct pt_regs *childregs = task_pt_regs(p); if (unlikely(p->flags & PF_KTHREAD)) { + /* kernel thread */ memset(childregs, 0, sizeof(struct pt_regs)); - p->thread.cpu_context.r0 = arg; + p->thread.cpu_context.r0 = kthread_arg; p->thread.cpu_context.r1 = usp; /* fn */ p->thread.cpu_context.r2 = (unsigned long)syscall_return; p->thread.cpu_context.pc = (unsigned long)ret_from_kernel_thread; childregs->sr = MODE_SUPERVISOR; } else { + /* user thread */ *childregs = *current_pt_regs(); if (usp) childregs->sp = usp; -- 2.0.0.GIT