On 03/17, Steven Rostedt wrote: > > On Sun, 2013-03-17 at 20:04 +0100, Oleg Nesterov wrote: > > > > I'm really thinking the TIF_SYSCALL_TRACEPOINT flag is getting a bit > > > ridiculous. We really should have a "swap syscall table when tracepoints > > > enabled" that changes the syscall table that does exactly the same thing > > > as the normal table but wraps the system call with the tracepoints. > > > > But we also need to force the slow path in system_call... > > Why? If we remove the tracepoint from the slowpath and use a table swap, > then we wouldn't need to use the slowpath at all. Ah, indeed, you are right. > > Anyway, do you agree with this change for now? > > Well, if it's solving a bug today sure. But we should really be looking > at fixing what's there for the future. OK, thanks. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
