From: Olaf Hering <olaf@aepfle.de>
To: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Cc: andres@gridcentric.ca, xen-devel@lists.xensource.com,
tim@xen.org, keir.xen@gmail.com, adin@gridcentric.ca
Subject: Re: [PATCH] Flag events caused by foreign domains
Date: Fri, 2 Dec 2011 20:43:44 +0100 [thread overview]
Message-ID: <20111202194344.GA1773@aepfle.de> (raw)
In-Reply-To: <7ba95535823dd32cc2a73d78646059bc.squirrel@webmail.lagarcavilla.org>
On Fri, Dec 02, Andres Lagar-Cavilla wrote:
> > On Thu, Dec 01, Andres Lagar-Cavilla wrote:
> >
> >> Add a new flag for mem events, as consumers might need to discriminate
> >> foreign domain-caused from guest-caused events. The vcpu field of an
> >> event is bogus from a consumer p.o.v. for foreign domain-caused events.
> >
> > How is this supposed to be used?
> We're just OR'ing an extra flag on existing events. Toolstacks can ignore
> it, or use it to handle foreign events differently, or whatever. No new
> events are generated, timings don't change etc.
Thats obvious.
> Is that your concern?
I'm wondering wether it really achieves what you want, no stall in the
ring buffer etc.
Olaf
next prev parent reply other threads:[~2011-12-02 19:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-01 20:56 [PATCH] Flag events caused by foreign domains Andres Lagar-Cavilla
2011-12-02 7:11 ` Olaf Hering
2011-12-02 15:29 ` Andres Lagar-Cavilla
2011-12-02 19:43 ` Olaf Hering [this message]
2011-12-02 19:56 ` Andres Lagar-Cavilla
2011-12-05 11:19 ` Olaf Hering
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