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 <[email protected]> --- arch/arc/kernel/process.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c index fdd8971..cf366bd 100644 --- a/arch/arc/kernel/process.c +++ b/arch/arc/kernel/process.c @@ -49,7 +49,9 @@ void arch_cpu_idle(void) asmlinkage void ret_from_fork(void); -/* Layout of Child kernel mode stack as setup at the end of this function is +/* Copy architecture-specific thread state + * + * Layout of Child kernel mode stack as setup at the end of this function is * * | ... | * | ... | @@ -81,7 +83,7 @@ asmlinkage void ret_from_fork(void); * ------------------ <===== END of PAGE */ int copy_thread(unsigned long clone_flags, - unsigned long usp, unsigned long arg, + unsigned long usp, unsigned long kthread_arg, struct task_struct *p) { struct pt_regs *c_regs; /* child's pt_regs */ @@ -110,9 +112,10 @@ int copy_thread(unsigned long clone_flags, childksp[1] = (unsigned long)ret_from_fork; /* blink */ if (unlikely(p->flags & PF_KTHREAD)) { + /* kernel thread */ memset(c_regs, 0, sizeof(struct pt_regs)); - c_callee->r13 = arg; /* argument to kernel thread */ + c_callee->r13 = kthread_arg; c_callee->r14 = usp; /* function */ return 0; -- 2.0.0.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
