Re: [PATCH] O13int for interactivity

From: Nick Piggin (piggin@cyberone.com.au)
Date: Mon Aug 04 2003 - 22:31:35 EST


Con Kolivas wrote:

>On Tue, 5 Aug 2003 12:21, Nick Piggin wrote:
>
>>No, this still special-cases the uninterruptible sleep. Why is this
>>needed? What is being worked around? There is probably a way to
>>attack the cause of the problem.
>>
>
>Footnote: I was thinking of using this to also _elevate_ the dynamic priority
>of tasks waking from interruptible sleep as well which may help throughput.
>

Con, an uninterruptible sleep is one which is not be woken by a signal,
an interruptible sleep is one which is. There is no other connotation.
What happens when read/write syscalls are changed to be interruptible?
I'm not saying this will happen... but come to think of it, NFS probably
has interruptible read/write.

In short: make the same policy for an interruptible and an uninterruptible
sleep.

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