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From: =?gb2312?B?wsC299O+?= <lvenyong-e9dxuoFxU5vM1kAEIRd3EQ@public.gmane.org>
Subject: when create DMA space to NIC
Date: Thu, 17 Apr 2014 16:29:48 +0800
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HI !

When create NIC tx_desc in eth_igb_tx_queue_setup(), tx_desc was allocated
by ring_dma_zone_reserve(). But when DMA speace was allocated by
EAL(memzone)?

 

eth_igb_tx_queue_setup()-->ring_dma_zone_reserve()-->memzone_lookup_thread_u
nsafe()-->mcfg->memzone[]

 

THANKS