It works by specifying ccflags-y += -DDEBUG in the Makefile.
Thank you for the info!!!!
Wenda Ni, Ph.D.
On Mon, Oct 17, 2016 at 7:48 PM, Joel Fernandes <agnel.j...@gmail.com>
> Hi Wenda,
> pr_debug needs you to define the DEBUG macro to activate it.
> and the kernel docs,
> On Mon, Oct 17, 2016 at 4:17 PM, Wenda Ni <wonda...@gmail.com> wrote:
> > Dear all,
> > I am working on a kernel module that incorporate both pr_debug and
> > pr_warn. I would like to see pr_debug messages from dmesg.
> > What I followed is to specify kernel parameter by saying "loglevel=7".
> > This can be seen confirmed from /proc/cmdline. But still, I donot get
> > pr_debug level messages either from dmesg or from /var/log/messages. I
> > also tried echo 7 > /proc/sys/kernel/printk. It does not return what I
> > expect, either.
> > Let me know what I am missing. Thank you very much in advance.
> > Cheers,
> > Wenda Ni, Ph.D.
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