From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161085AbbCMSIV (ORCPT ); Fri, 13 Mar 2015 14:08:21 -0400 Received: from mail-wi0-f182.google.com ([209.85.212.182]:37774 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161025AbbCMSID (ORCPT ); Fri, 13 Mar 2015 14:08:03 -0400 From: Alex Dowad To: linux-kernel@vget.kernel.org Cc: Mikael Starvik , Jesper Nilsson , linux-cris-kernel@axis.com (open list:CRIS PORT), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 10/32] cris/arch-v32: copy_thread(): rename 'arg' argument to 'kthread_arg' Date: Fri, 13 Mar 2015 20:04:25 +0200 Message-Id: <1426269888-25600-10-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/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