Messages in this thread Patch in this message | | | From | Alex Dowad <> | Subject | [PATCH 14/32] m32r: copy_thread(): rename 'arg' argument to 'kthread_arg' | Date | Fri, 13 Mar 2015 20:14:37 +0200 |
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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@gmail.com> --- 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
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