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Date: Sat, 11 Oct 2003 09:18:22 +0100
From: Bruce M Simpson <bms@spc.org>
To: Tim Kientzle <kientzle@acm.org>
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cc: hsu@freebsd.org
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cc: freebsd-hackers@freebsd.org
Subject: Re: Dynamic reads without locking.
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On Fri, Oct 10, 2003 at 10:31:21PM -0700, Tim Kientzle wrote:
> On further inspection, I'm pretty sure that sys/kern/subr_devstat.c
> is not correct.

OK. What about the shared page interface? Specifically the comment
above devstat_end_transaction(). The generation count is used by
the old sysctl interface. The shared page interface has a liberal
sprinkling of atomic*() instructions.

BMS