Messages in this thread | | | Date | Wed, 10 May 2006 08:33:41 +0300 | From | "Michael S. Tsirkin" <> | Subject | Re: [openib-general] Re: [PATCH 07/16] ehca: interrupt handling routines |
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Quoting r. Shirley Ma <xma@us.ibm.com>: > Subject: Re: [openib-general] Re: [PATCH 07/16] ehca: interrupt handling?routines > > > "Michael S. Tsirkin" <mst@mellanox.co.il> wrote on 05/09/2006 01:20:41 PM: > > > Quoting r. Shirley Ma <xma@us.ibm.com>: > > > My understanding is NAPI handle interrutps CQ callbacks on the same CPU. > > > > My understanding is NAPI disables interrupts under high RX load. No? > > Yes, NAPI disables the interrupts based on the weight. In IPoIB case, it doesn't > send out the next completion notification under heavy loading. > The similiar CQ polling is still in NAPI on same CPU, but it's not a callback > anymore.
Sorry, same CPU as what?
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