Re: [PATCH v2 tty-next 7/8] n_tty: Extend debug tracing

[Greg Kroah-Hartman]

On Mon, Dec 02, 2013 at 02:24:47PM -0500, Peter Hurley wrote:
> Add configurable trace support to allow tracing with dev_dbg,
> pr_dbg, or trace_printk. Instrument .receive_buf() and read()
> paths with traces to aid in debugging flow control changes.
> 
> Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
> ---
>  drivers/tty/n_tty.c | 79 ++++++++++++++++++++++++++++++++++++++++++-----------
>  1 file changed, 63 insertions(+), 16 deletions(-)

If we are going to do tracing in the tty layer, why not use the
in-kernel tracing functionality instead of having this mis-mash of
different ways to get tracing data out?

I'd much rather prefer that, so I've stopped applying things in this
series at this point, I've applied the 6 previous ones.

thanks,

greg k-h
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