From: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
To: Ralph Campbell <ralph.campbell-h88ZbnxC6KDQT0dZR+AlfA@public.gmane.org>
Cc: Andy Grover <andy.grover-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] IB/rds: use IB_CQ_REPORT_MISSED_EVENTS to avoid missed CQ callbacks
Date: Tue, 30 Mar 2010 16:30:04 -0700 [thread overview]
Message-ID: <adaeij1v14z.fsf@roland-alpha.cisco.com> (raw)
In-Reply-To: <1269987841.4192.228.camel-/vjeY7uYZjrPXfVEPVhPGq6RkeBMCJyt@public.gmane.org> (Ralph Campbell's message of "Tue, 30 Mar 2010 15:24:01 -0700")
> OpenFabrics added a IB_CQ_REPORT_MISSED_EVENTS flag to detect this
OpenFabrics? Funny, I thought I added that flag.
(This is not a serious objection ... I'm just being annoying. Being
serious, I'm happy to see this used outside of IPoIB and this looks like
a good optimization)
> This patch by itself should improve RDS performance over QLogic HCAs
Out of curiousity have you measured an improvement?
--
Roland Dreier <rolandd-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org> || For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/index.html
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next prev parent reply other threads:[~2010-03-30 23:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-30 22:24 [PATCH] IB/rds: use IB_CQ_REPORT_MISSED_EVENTS to avoid missed CQ callbacks Ralph Campbell
[not found] ` <1269987841.4192.228.camel-/vjeY7uYZjrPXfVEPVhPGq6RkeBMCJyt@public.gmane.org>
2010-03-30 23:30 ` Roland Dreier [this message]
[not found] ` <adaeij1v14z.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-03-30 23:50 ` Ralph Campbell
[not found] ` <1269993053.4192.235.camel-/vjeY7uYZjrPXfVEPVhPGq6RkeBMCJyt@public.gmane.org>
2010-03-31 21:59 ` Roland Dreier
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