From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Jan Beulich <jbeulich@novell.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: return value checking on multicalls
Date: Wed, 14 Mar 2007 10:02:54 -0700 [thread overview]
Message-ID: <45F82ABE.4050103@goop.org> (raw)
In-Reply-To: <45F837AA.76E4.0078.0@novell.com>
Jan Beulich wrote:
> Hmm, that doesn't seem to fit all cases. There are hypercalls that
> return non-errno-like values, and you shouldn't make any
> assumptions about these.
It's been a nice simplification in my work, but I haven't used it with
anything where success > 0, or where I've even cared about results other
than failure. And the advantage is that the incremental effort of
batching a series of calls is very small.
I just thought it might be useful. Perhaps the interface could be
extended to be more useful in the cases you're looking at.
J
prev parent reply other threads:[~2007-03-14 17:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-14 15:55 return value checking on multicalls Jan Beulich
2007-03-14 16:00 ` Keir Fraser
2007-03-14 16:45 ` Jeremy Fitzhardinge
2007-03-14 16:58 ` Jan Beulich
2007-03-14 17:02 ` Jeremy Fitzhardinge [this message]
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