Re: printf vs. printk (was Re: Side-effect free printk?)

From: Joe Perches
Date: Fri Dec 05 2014 - 10:25:01 EST


On Fri, 2014-12-05 at 11:32 +0100, Pavel Machek wrote:
> Hi!
>
> BTW... All the time I'm programming in kernel, I use printf(), and
> when hacking userspace, I use printk().
>
> Nasty.
>
> Given that printf() and printk() have exactly the same behaviour,
> could we allow printf() in kernel? Now... printk()s are usually
> removed before merging the driver, so code will not see much change,
> but it will certainly result in less 4-letter words while developing.

My preference would be to eventually eliminate printk
altogether but I don't see a real problem adding
#define printf printk
to include/linux/printk.h

but

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/