Re: [PATCH 1/6] new timeofday core subsystem for -mm (v.B3)

From: Lee Revell (rlrevell_at_joe-job.com)
Date: 06/21/05

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    To: Roman Zippel <zippel@linux-m68k.org>
Date:	Mon, 20 Jun 2005 19:40:46 -0400

    On Tue, 2005-06-21 at 00:05 +0200, Roman Zippel wrote:
    > With -mm you can now choose the HZ value, so that's not really the
    > problem anymore. A lot of archs even never changed to a higher HZ
    > value.

    That does not solve anything, going back to HZ=100 is a big user-visible
    regression because the resolution of sleep() (and poll, etc) is now 10ms
    rather than 1ms. Many apps have RT constraints between 1ms and 10ms.

    Lee

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