Zhang Fuxin wrote: > hi,linux-mips, > I find that current->used_math isn't cleared when we start a new process.Is it > intended? I mean 'start_thread' in do_exec but not 'copy_thread' in do_fork when > speaking 'start a new process'. We can/should? keep used_math for the latter,but for > the former? > I think it make sense to clear used_math in do_exec(). It also improvies the performance slightly by not loading the parent's FPU context when it uses the FPU for the first time. Do you have a patch for this? Jun