From: Tetsuya Mukawa <tetsuya.mukawa.1@gmail.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] About 'CONFIG_RTE_EAL_UNBIND_PORTS'
Date: Tue, 3 Sep 2013 10:39:06 +0900 [thread overview]
Message-ID: <CANCx15QNZ75LCkdU15eA9m11E9q0L18cmB_=+vwo5WLbt1JBNw@mail.gmail.com> (raw)
In-Reply-To: <201309021757.38807.thomas.monjalon@6wind.com>
2013/9/3 Thomas Monjalon <thomas.monjalon@6wind.com>:
> 29/08/2013 09:54, Tetsuya Mukawa :
>> Someone, could you please let me know what is a case that I need to
>> enable 'CONFIG_RTE_EAL_UNBIND_PORTS'?
>
> In DPDK 1.3, the UNBIND option is intended to restore the previous state
> when exiting a DPDK application.
> In case of devices bound to igb_uio, it will re-bind them to their original
> driver (e1000/igb/ixgbe).
> It has no effect with virtio.
>
> The bug that you have described does not appear with igb_uio drivers because
> fd is initialized in pci_map_resource().
> But in case of virtio, pci_map_resource() is not called.
Thank you for your explanation.
I understand it clearly.
> It looks good.
> Could you send it as a real patch with a commit log ?
Sure, I will.
Thanks,
Tetsuya Mukawa
prev parent reply other threads:[~2013-09-03 1:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-29 7:54 Tetsuya Mukawa
2013-09-02 15:57 ` Thomas Monjalon
2013-09-03 1:39 ` Tetsuya Mukawa [this message]
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