Re: Improving the kernel/i386 timecounter performance (GSoC proposal)

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Fri, 27 Mar 2009 20:56:56 +0000
In message <17560ccf0903271348p52351481v4cc83c14037e8836_at_mail.gmail.com>, Prash
ant Vaibhav writes:
>Actually OS X is more similar than that: the shared page also contains
>functions that can be called by user applications, though their entry points
>are fixed and they're not in any particular format like elf/mach-o.
>Userspace implementations of gettimeofday, bcopy etc. are provided in the
>kernel itself, which is a nice design imo as the specific version to load is
>chosen by the kernel at boot time depending on processor capabilities.

That would get my vote.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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FreeBSD committer       | BSD since 4.3-tahoe    
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Received on Fri Mar 27 2009 - 19:56:58 UTC

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