Date: Thu, 24 Mar 2011 15:03:42 +0000 From: David Malone <dwmalone@maths.tcd.ie> To: Jung-uk Kim <jkim@FreeBSD.org> Cc: src-committers@FreeBSD.org, John Baldwin <jhb@FreeBSD.org>, svn-src-all@FreeBSD.org, dwmalone@maths.tcd.ie, Bruce Evans <brde@optusnet.com.au>, svn-src-head@FreeBSD.org Subject: Re: svn commit: r219676 - head/sys/x86/x86 Message-ID: <201103241503.aa30875@walton.maths.tcd.ie> In-Reply-To: Your message of "Thu, 24 Mar 2011 10:29:46 -0400." <201103241029.57358.jkim@FreeBSD.org>
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> If atomic 64-bit read/write is possible and it is absolutely > necessary, it has to be set via machdep.foo_freq, not > kern.timecounter.foo.frequency. A number of people have asked me about adjusting the frequency of other time counters - it would seem to make sense to allow this at the timecounter layer. It also seems possible that people might want the timecounters view of the frequency to be different from other uses of a counter. David.
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