On Mon, 2 Oct 2017 09:19:10 -0700 Linus Torvalds <[email protected]> wrote:
> On Mon, Oct 2, 2017 at 8:46 AM, Masami Hiramatsu <[email protected]> wrote: > > > > I'm considering to remove disabling-irq itself from jprobe. > > (Frankly to say, I would like to remove jprobe itself...) > > Please please please... > > That would be lovely. The jprobe thing is really nasty, and despite > the thing having been around forever (looking at history, it does back > to 2004) there are very few users and they all look dubious to me. > > I seriously doubt anybody uses them, and I suspect our current tracing > infrastructure is just *so* much better and more powerful than jprobes > was. I completely agree. Moreover, jprobe can not handle the functions which is optimized and modified function type by compiler nowadays. > So I'd heartily recommend just getting rid of jprobes. Or at least > trying, and seeing if anybody actually even notices (and then > reverting the removal and looking at what the usage ends up actually > being). OK, should I just make a series to remove jprobes and its few users, or mark APIs obsolete and remove it after next version? Thank you, > > Linus -- Masami Hiramatsu <[email protected]>

