Re: a joint letter on low latency and Linux

From: Linus Torvalds (torvalds@transmeta.com)
Date: Fri Jul 07 2000 - 18:11:20 EDT

  • Next message: Pavel Machek: "Known bugs in CONFIG_FBCON_MAC?"

    On Fri, 7 Jul 2000, Dan Hollis wrote:

    > On Thu, 6 Jul 2000, Pavel Machek wrote:
    > > Or we could give something up. Like giving up printk altogether [not
    > > good] or declaring that printk is emergency-only and may mess up
    > > screen.
    >
    > Or declaring classes of printk - those which are critical and those which
    > arent.

    Note that printk() during normal kernel operations _is_ a bug.

    printk() should happen only for (a) initialization and (b) exceptional
    events. I fyou get printk's while doing streaming audio, you have other
    trouble, and whatever causes that trouble should be fixed.

                    Linus

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