From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@suse.com>
Subject: Re: FIFO-based event channel ABI design (draft B)
Date: Mon, 18 Feb 2013 08:10:47 +0000
Message-ID: <5121F01702000078000BF117@nat28.tlf.novell.com>
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To: David Vrabel <david.vrabel@citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>, Wei Liu <wei.liu2@citrix.com>
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>>> On 15.02.13 at 19:46, David Vrabel <david.vrabel@citrix.com> wrote:
> I would expect this call to never fail in normal operation (except on
> the boot VCPU where support may be missing).  i.e., it will only fail if
> xenheap or map space is exhausted.  Both the xenheap and the map space
> should be large enough so we run out of other resources (e.g,, domheap)
> first.

This is a questionable assumption, considering that the Xen heap is
a subset of the domain one (on x86-64 at least), and the map space
size has no correlation to either.

Jan