ok, as long as we ensure with virtio PMD, the parent DPDK process has the iopl permission so that all child threads inherits the permission.
From: David Marchand [mailto:david.march...@6wind.com] Sent: Wednesday, August 27, 2014 6:05 PM To: Xie, Huawei Cc: dev at dpdk.org Subject: Re: [dpdk-dev] [PATCH RFC 0/3] only call iopl when necessary On Wed, Aug 27, 2014 at 11:57 AM, Xie, Huawei <huawei.xie at intel.com<mailto:huawei.xie at intel.com>> wrote: That is ok. If virtio PMD is a dynamic linked library, is it possible that virtio PMD is loaded later? The shared library are loaded through -d option, which are loaded just before the call to rte_eal_dev_init(). -- David Marchand
