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From: "Xie, Huawei" <huawei.xie@intel.com>
To: David Marchand <david.marchand@6wind.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH RFC 0/3] only call iopl when necessary
Date: Wed, 27 Aug 2014 10:09:37 +0000	[thread overview]
Message-ID: <C37D651A908B024F974696C65296B57B0F27CCED@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <CALwxeUvB0XKr7AUGHLDh6NgsEmGWkELOAX=NQMDk5FML7Ptbmg@mail.gmail.com>

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.marchand@6wind.com]
Sent: Wednesday, August 27, 2014 6:05 PM
To: Xie, Huawei
Cc: dev@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@intel.com<mailto:huawei.xie@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


  reply	other threads:[~2014-08-27 10:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-26 14:11 David Marchand
2014-08-26 14:11 ` [dpdk-dev] [PATCH RFC 1/3] eal/bsd: fix fd leak David Marchand
2014-09-25 10:17   ` Thomas Monjalon
2014-08-26 14:11 ` [dpdk-dev] [PATCH RFC 2/3] eal: don't call rte_eal_iopl_init unconditionnally David Marchand
2014-08-27 17:26   ` Xie, Huawei
2014-08-26 14:11 ` [dpdk-dev] [PATCH RFC 3/3] eal: remove unused flags field David Marchand
2014-08-27  9:22 ` [dpdk-dev] [PATCH RFC 0/3] only call iopl when necessary Xie, Huawei
2014-08-27  9:34   ` David Marchand
2014-08-27  9:57     ` Xie, Huawei
2014-08-27 10:04       ` David Marchand
2014-08-27 10:09         ` Xie, Huawei [this message]
2014-08-27 10:24           ` Thomas Monjalon
2014-08-27 21:22   ` Patel, Rashmin N
2014-08-27 22:12     ` Stephen Hemminger
2014-09-29 12:44 ` Thomas Monjalon

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