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To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andrew Morton <akpm@osdl.org>, <linux-kernel@vger.kernel.org>,
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Subject: Re: [PATCH 8/25] msi: Simplify the msi irq limit policy.
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From: Roland Dreier <rdreier@cisco.com>
Date: Tue, 20 Jun 2006 19:46:22 -0700
In-Reply-To: <11508425213394-git-send-email-ebiederm@xmission.com> (Eric W. Biederman's message of "Tue, 20 Jun 2006 16:28:21 -0600")
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 > Only the s2io driver even takes advantage of this feature
 > all other drivers have a fixed number of irqs they need and
 > bail if they can't get them.

My todo list for the mthca (InfiniBand HCA) driver includes adding
support for more event queues.  When I do that, I'll likely want to
try to get something on the order of number_of_cpus plus two or three
MSI-X vectors, and fall back to a lower number of vectors if that
allocation fails.

 - R.