From: Andi Kleen <andi@firstfloor.org>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: Andi Kleen <andi@firstfloor.org>,
xen-devel@lists.xensource.com, Jan Beulich <jbeulich@novell.com>,
Samuel Thibault <samuel.thibault@eu.citrix.com>
Subject: Re: Linux questions
Date: Tue, 4 Dec 2007 13:23:01 +0100 [thread overview]
Message-ID: <20071204122301.GC10287@one.firstfloor.org> (raw)
In-Reply-To: <C37AF103.195D4%Keir.Fraser@cl.cam.ac.uk>
> Our monotonic_clock() implementation does not reference xtime nor its
> seqlock. If it did, you would be correct.
Well it applies to other state too. There certainly is a seqlock
equivalent. If you can guarantee the interrupt changing that is
always on the same CPU that would be safe, otherwise not.
-Andi
prev parent reply other threads:[~2007-12-04 12:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-03 11:24 Linux questions Jan Beulich
2007-12-03 11:29 ` Samuel Thibault
2007-12-03 11:40 ` Jan Beulich
2007-12-03 18:32 ` Keir Fraser
2007-12-04 10:23 ` Jan Beulich
2007-12-04 10:55 ` Keir Fraser
2007-12-04 11:13 ` Andi Kleen
2007-12-04 11:27 ` Keir Fraser
2007-12-04 11:44 ` Andi Kleen
2007-12-04 11:56 ` Keir Fraser
2007-12-04 12:23 ` Andi Kleen [this message]
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