On Tue, Dec 10, 2013 at 4:19 PM, Greg KH <[email protected]> wrote: > On Tue, Dec 10, 2013 at 04:03:41PM +0800, Ethan Zhao wrote: >> On Tue, Dec 10, 2013 at 2:40 AM, Greg KH <[email protected]> wrote: >> > On Mon, Dec 09, 2013 at 09:42:23PM +0800, Ethan Zhao wrote: >> >> Greg, >> >> I am the man who built a Xen dom0, but couldn't see debugfs >> >> directory and files as expected. there is no warning or tip for me to >> >> enable the CONFIG_DEBUG_FS=y in .config , it cost me minutes to figure >> >> out what's >> >> the matter. and I know should check defugfs config and initialization as >> >> zswap_debugfs, tracer_debugfs ,rproc_debugfs did. Is it useless ? if >> >> it could save me just 1 minute next time ? >> > >> > So you would want a "warning" showing up for every single part of the >> > kernel that uses debugfs for when it isn't enabled? That doesn't make >> > too much sense now, does it? >> >> No, It is nice and like sun light when someone is struggling with the >> bugs in darkness, >> if some tips or warning output to them. >> >> You have forgotten the initial stage you met :) > > So, you really want to see 20+ KERNEL WARNINGS in your system when you > boot without CONFIG_DEBUGFS enabled? No, that's not ok at all, sorry, > that is not going to happen.
You got the right reason to make me give up ! Thanks, Ethan > > Running a kernel without debugfs is a valid state, you are treating it > as an error, which isn't ok. > > greg k-h -- 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/
