Date: Wed, 25 Feb 2004 22:52:43 +0100 From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=) To: Bruce Cran <bruce@cran.org.uk> Cc: freebsd-current@freebsd.org Subject: Re: 64-bit values in sysctl Message-ID: <xzpishuddxw.fsf@dwp.des.no> In-Reply-To: <20040225211523.GA3031@box1.cran> (Bruce Cran's message of "Wed, 25 Feb 2004 21:15:23 %2B0000") References: <20040225211523.GA3031@box1.cran>
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Bruce Cran <bruce@cran.org.uk> writes: > I've also noticed that the machdep.[i8254_freq, tsc_freq, > acpi_timer_freq] are all writable, whereas I think they should > probably be read-only, as should kern.bootfile. These are all intentionally writable. The timer frequencies need to be writable to allow proper operation on systems with broken hardware clocks, and kern.bootfile is updated by 'make installkernel' when the current kernel is moved aside to make place for the new one. DES -- Dag-Erling Smørgrav - des@des.no
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