From: Stephen Hemminger <stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public.gmane.org>
To: Prashant Upadhyaya
<prashant.upadhyaya-pccXkzZloW5BDgjK7y7TUQ@public.gmane.org>
Cc: "dev-VfR2kkLFssw@public.gmane.org" <dev-VfR2kkLFssw@public.gmane.org>
Subject: Re: Regarding VM live migration with SRIOV
Date: Tue, 26 Nov 2013 22:24:11 -0800 [thread overview]
Message-ID: <20131126222411.41d0e8fd@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <C7CE7EEF248E2B48BBA63D0ABEEE700C45DFEF1DED-2zbAqoMm/rLQX//ci7WS+53eMK7GYZcrXYFosVITYPE@public.gmane.org>
On Wed, 27 Nov 2013 11:39:28 +0530
Prashant Upadhyaya <prashant.upadhyaya-pccXkzZloW5BDgjK7y7TUQ@public.gmane.org> wrote:
> Hi Stephen,
>
> The rte_eal_pci_probe is typically called at the startup.
>
> Now let's say a DPDK application is running with a PCI device (doing tx and rx) and I remove that PCI device underneath (hot plugout)
> So how does the application now know that the device is gone ?
>
> Is it that rte_eal_pci_probe should be called periodically from, let's say, the slow control path of the DPDK application ?
>
> Regards
> -Prashant
>
Like I said current code doesn't do hotplug.
If you wanted to add it, you would have to refactor the PCI management layer.
next prev parent reply other threads:[~2013-11-27 6:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-25 14:01 Regarding VM live migration with SRIOV Prashant Upadhyaya
[not found] ` <C7CE7EEF248E2B48BBA63D0ABEEE700C45DFEF1B53-2zbAqoMm/rLQX//ci7WS+53eMK7GYZcrXYFosVITYPE@public.gmane.org>
2013-11-27 4:39 ` Prashant Upadhyaya
[not found] ` <C7CE7EEF248E2B48BBA63D0ABEEE700C45DFEF1DB6-2zbAqoMm/rLQX//ci7WS+53eMK7GYZcrXYFosVITYPE@public.gmane.org>
2013-11-27 4:45 ` Stephen Hemminger
[not found] ` <20131126204554.4b3f9c93-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2013-11-27 6:09 ` Prashant Upadhyaya
[not found] ` <C7CE7EEF248E2B48BBA63D0ABEEE700C45DFEF1DED-2zbAqoMm/rLQX//ci7WS+53eMK7GYZcrXYFosVITYPE@public.gmane.org>
2013-11-27 6:24 ` Stephen Hemminger [this message]
[not found] ` <20131126222411.41d0e8fd-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2013-11-29 5:55 ` Prashant Upadhyaya
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