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SubjectRe: [patch] Re: setitimer lowlatency-2.2.13-A1 questions
>On Mon, 6 Dec 1999, Andrea Arcangeli wrote:
>
>> For the ret to userspace case it could decrease a bit the bh latency
^^

whoops I meant irq latency there.

>> but it seems not a big issue, as right now a ret from syscall will act
>> like while returning from an irq after the bottom half path.
>
>bh latency is important in some cases, and often we do not return to
>userspace for millisecs (tens of millisecs in other cases). This might
>even explain some of the TCP oddities.

Yes, agreed.

Andrea


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