Re: [PATCH 3/3] printk: implement support for extended console drivers

From: Tejun Heo
Date: Mon Jun 29 2015 - 11:28:19 EST


Hello,

On Mon, Jun 29, 2015 at 11:20:41AM +0200, Geert Uytterhoeven wrote:
> On Wed, Apr 29, 2015 at 4:45 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> > --- a/kernel/printk/printk.c
> > +++ b/kernel/printk/printk.c
>
> > @@ -2196,6 +2227,7 @@ out:
> > */
> > void console_unlock(void)
> > {
> > + static char ext_text[CONSOLE_EXT_LOG_MAX];
>
> Can you please
> a) make this feature optional,

netconsole itself is optional & modular. I'm not sure making further
splits is called for, especially given the use cases.

> b) (de)allocate this buffer dynamically when the first/last console with
> CON_EXTENDED set is (un)registered?

But yeah, making the buffer allocated on demand should be simple
enough. Will get to it.

Thanks.

--
tejun
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