On Tue, 18 Nov 2014 22:33:33 -0500 Steven Rostedt <rost...@goodmis.org> wrote:
> +/* > + * This is used by __kernel_text_address() to return true if the > + * the address is on a dynamically allocated trampoline that would > + * not return true for either core_kernel_text() or > + * is_module_text_address(). > + */ > +bool is_ftrace_trampoline(unsigned long addr) > +{ > + struct ftrace_ops *op; > + > + do_for_each_ftrace_op(op, ftrace_ops_list) { > + /* > + * This is to check for dynamically allocated trampolines. > + * Trampolines that are in kernel text will have > + * core_kernel_text() return true. > + */ > + if (op->trampoline && op->trampoline_size) > + if (addr >= op->trampoline && > + addr < op->trampoline + op->trampoline_size) > + return true; > + } while_for_each_ftrace_op(op); > + > + return false; > +} > + Hmm, preemption should be disabled here. We can't guarantee that the caller will have that. Will update. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/