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To: Sebastian Huber <sebastian.huber@embedded-brains.de>
cc: freebsd-hackers@freebsd.org
Subject: Re: Problem with timecounters and memory model
In-reply-to: <55686D31.1060408@embedded-brains.de>
From: "Poul-Henning Kamp" <phk@freebsd.org>
References: <55686300.3080100@embedded-brains.de>
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Date: Fri, 29 May 2015 17:34:07 +0000
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--------
In message <55686D31.1060408@embedded-brains.de>, Sebastian Huber writes:

>> How often do you "wind" the timecounter ?
>
>More often than necessary. About 1000 times a second with only one=20
>timehand (this is a hack to support legacy systems). The test case is:

If you only have one timehand, I can't see how it can work without
locks ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.