On Wed, 2 Apr 2014 16:52:59 -0700 Linus Torvalds <[email protected]> wrote:
> On Wed, Apr 2, 2014 at 4:47 PM, Jiri Kosina <[email protected]> wrote: > > > > Which doesn't really protect you from tasks that do open()/write()/close() > > cycle for /dev/kmsg write every 2ms though. > > I don't think we should try to protect against wilful bad behavior > unless that is shown to be necessary. Yeah, if it turns out that > systemd really does that just to mess with us, we'd need to extend it, > but in the absence of proof to the contrary, maybe this simple > attached patch works? I wonder if we should also add a "ignore_devkmsg" that basically turns writing into /dev/kmsg into /dev/null. That way, a simple "debug" and "ignore_devkmsg" wont blow away the printk ring buffer from data you want to look at on boot up. -- Steve -- 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/
