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Date:      Sat, 5 Apr 2003 11:46:49 +0400 (MSD)
From:      Igor Sysoev <is@rambler-co.ru>
To:        Terry Lambert <tlambert2@mindspring.com>
Cc:        freebsd-threads@freebsd.org
Subject:   Re: 1:N threading
Message-ID:  <Pine.BSF.4.21.0304051144340.37861-100000@is>
In-Reply-To: <3E8E062F.2F69D32F@mindspring.com>

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On Fri, 4 Apr 2003, Terry Lambert wrote:

> PS: I agree on the GDT, in principle, but in practice, is the
> number-of-entries limit that comes with that acceptable?  That's
> where the TSS limit of 65536 comes from, right?

No, there's no limit. All processes use the same GDT selectors that point
to the same GDT descriptors that describe the same segments that start
at 0 and end at 0xffffffff. And there's %cr3 that points to mapping that
makes these segments different in each process.


Igor Sysoev
http://sysoev.ru/en/



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