On Mon, May 23, 2005 at 07:31:16PM -0700, Andrew Morton wrote:
>
> Are you sure it's actually needed? Have significant scheduling latencies
> actually been observed?
I certainly don't have any problems with removing the yield altogether.
> Bear in mind that anyone who cares a lot about latency will be running
> CONFIG_PREEMPT kernels, in which case the whole thing is redundant anyway.
> I generally take the position that if we're going to put a scheduling point
> into a non-premept kernel then it'd better be for a pretty bad latency
> point - more than 10 milliseconds, say.
The crypt() function can easily take more than 10 milliseconds with
a large enough buffer.
James & Dave, do you have any opinions on this?
Cheers,
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