Re: [rfc] aio-core for 2.5.29 (Re: async-io API registration for 2.5.29)

From: Alan Cox (
Date: Thu Aug 01 2002 - 12:30:41 EST

On Thu, 2002-08-01 at 17:09, Linus Torvalds wrote:
> However, "jiffies" are not really real time, they are only a "reasonable
> abstraction thereof", and while they imply ordering ("time_after()" works
> fine inside the kernel), they do _not_ imply real time.
> In other words, there is no way to move from time -> jiffies and back.

For a lot of applications like multimedia you actually want a counting
of time not any relation to real time except that you can tell how many
ticks elapse a second.

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