On Thu, 15 Feb 2007, Ingo Molnar wrote: > +ENTRY(async_thread_helper) > + CFI_STARTPROC > + /* > + * Allocate space on the stack for pt-regs. > + * sizeof(struct pt_regs) == 64, and we've got 8 bytes on the > + * kernel stack already: > + */ > + subl $64-8, %esp > + CFI_ADJUST_CFA_OFFSET 64
Maybe a comment here would help in explaining why we do need space for the extra pt_regs (on top of the one already allocated in do_fork()) ;) It's not immediately clear that ret_from_fork and syscall_exit will issue two nested RESTORE_REGS. - Davide - 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/
