From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Jeff Guo <jia.guo@intel.com>,
stephen@networkplumber.org, bruce.richardson@intel.com,
ferruh.yigit@intel.com, konstantin.ananyev@intel.com,
gaetan.rivet@6wind.com, jingjing.wu@intel.com,
thomas@monjalon.net, motih@mellanox.com, matan@mellanox.com,
harry.van.haaren@intel.com, qi.z.zhang@intel.com,
shaopeng.he@intel.com, bernard.iremonger@intel.com,
arybchenko@solarflare.com
Cc: jblunck@infradead.org, shreyansh.jain@nxp.com, dev@dpdk.org,
helin.zhang@intel.com, jerin.jacob@caviumnetworks.com
Subject: Re: [dpdk-dev] [PATCH v4 0/4] Enable hotplug in vfio
Date: Thu, 4 Oct 2018 10:11:22 +0100 [thread overview]
Message-ID: <8e44ad47-133f-8e20-6600-df0df3ac8682@intel.com> (raw)
In-Reply-To: <1538635483-92222-1-git-send-email-jia.guo@intel.com>
On 04-Oct-18 7:44 AM, Jeff Guo wrote:
> As we may know that the process of hotplug is different between igb_uio
> and vfio. For igb_uio, it could use uevent notification and memory
> failure handle mechanism for hot-unplug. But for vfio, when device is be
> hot-unplugged, the uevent can not be detected immediately, because of the
> vfio kernel module will use a special mechanism to guaranty the pci
> device would not be deleted until the user space release the resources,
> so it will use another req notifier event at first to notify user space
> to release resources for hotplug.
>
> This patch will add a new interrupt type of req notifier in eal interrupt,
> and add the new interrupt handler in pci device to handle the req device
> event. When the req notifier be detected, it can trigger the device event
> callback process to process for hot-unplug. With this mechanism, hotplug
> could be enable in vfio.
>
LGTM
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
--
Thanks,
Anatoly
next prev parent reply other threads:[~2018-10-04 9:11 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-17 10:51 [dpdk-dev] [PATCH v1 0/5] " Jeff Guo
2018-08-17 10:51 ` [dpdk-dev] [PATCH v1 1/5] eal: add a new req notifier to eal interrupt Jeff Guo
2018-08-17 10:51 ` [dpdk-dev] [PATCH v1 2/5] eal: add a new req event to device event Jeff Guo
2018-08-20 10:37 ` Andrew Rybchenko
2018-08-21 6:56 ` Jeff Guo
2018-08-21 7:20 ` Andrew Rybchenko
2018-08-21 7:37 ` Jeff Guo
2018-08-17 10:51 ` [dpdk-dev] [PATCH v1 3/5] eal: modify device event callback process func Jeff Guo
2018-09-26 12:20 ` Burakov, Anatoly
2018-09-30 10:30 ` Jeff Guo
2018-09-26 12:20 ` Burakov, Anatoly
2018-09-30 10:31 ` Jeff Guo
2018-08-17 10:51 ` [dpdk-dev] [PATCH v1 4/5] pci: add req handler field to generic pci device Jeff Guo
2018-09-26 12:22 ` Burakov, Anatoly
2018-09-29 6:15 ` Jeff Guo
2018-10-01 7:51 ` Burakov, Anatoly
2018-08-17 10:51 ` [dpdk-dev] [PATCH v1 5/5] vfio: enable vfio hotplug by req notifier handler Jeff Guo
2018-09-26 12:28 ` Burakov, Anatoly
2018-09-29 5:51 ` Jeff Guo
2018-08-20 9:15 ` [dpdk-dev] [PATCH v1 0/5] Enable hotplug in vfio Gaëtan Rivet
2018-08-21 6:45 ` Jeff Guo
2018-08-21 8:17 ` Gaëtan Rivet
2018-09-30 14:16 ` [dpdk-dev] [PATCH v2 0/4] " Jeff Guo
2018-09-30 14:16 ` [dpdk-dev] [PATCH v2 1/4] eal: add a new req notifier to eal interrupt Jeff Guo
2018-10-01 9:46 ` Andrew Rybchenko
2018-10-02 4:30 ` Jeff Guo
2018-10-02 6:51 ` Andrew Rybchenko
2018-09-30 14:16 ` [dpdk-dev] [PATCH v2 2/4] eal: modify device event callback process func Jeff Guo
2018-10-01 9:46 ` Andrew Rybchenko
2018-10-02 4:45 ` Jeff Guo
2018-10-02 6:53 ` Andrew Rybchenko
2018-09-30 14:16 ` [dpdk-dev] [PATCH v2 3/4] pci: add req handler field to generic pci device Jeff Guo
2018-10-01 9:46 ` Andrew Rybchenko
2018-10-02 6:32 ` Jeff Guo
2018-09-30 14:16 ` [dpdk-dev] [PATCH v2 4/4] vfio: enable vfio hotplug by req notifier handler Jeff Guo
2018-10-01 9:47 ` Andrew Rybchenko
2018-10-02 5:42 ` Jeff Guo
2018-10-02 12:42 ` [dpdk-dev] [PATCH v2 0/4] Enable hotplug in vfio Jeff Guo
2018-10-02 12:42 ` [dpdk-dev] [PATCH v2 1/4] eal: add a new req notifier to eal interrupt Jeff Guo
2018-10-02 12:42 ` [dpdk-dev] [PATCH v2 2/4] eal: modify device event callback process func Jeff Guo
2018-10-02 12:42 ` [dpdk-dev] [PATCH v2 3/4] pci: add req handler field to generic pci device Jeff Guo
2018-10-02 12:42 ` [dpdk-dev] [PATCH v2 4/4] vfio: enable vfio hotplug by req notifier handler Jeff Guo
2018-10-02 12:44 ` [dpdk-dev] [PATCH v3 0/4] Enable hotplug in vfio Jeff Guo
2018-10-02 12:44 ` [dpdk-dev] [PATCH v3 1/4] eal: add a new req notifier to eal interrupt Jeff Guo
2018-10-02 12:45 ` [dpdk-dev] [PATCH v3 2/4] eal: modify device event callback process func Jeff Guo
2018-10-02 12:45 ` [dpdk-dev] [PATCH v3 3/4] pci: add req handler field to generic pci device Jeff Guo
2018-10-02 12:45 ` [dpdk-dev] [PATCH v3 4/4] vfio: enable vfio hotplug by req notifier handler Jeff Guo
2018-10-02 12:58 ` [dpdk-dev] [PATCH v3 0/4] Enable hotplug in vfio Jeff Guo
2018-10-02 12:58 ` [dpdk-dev] [PATCH v3 1/4] eal: add a new req notifier to eal interrupt Jeff Guo
2018-10-02 12:58 ` [dpdk-dev] [PATCH v3 2/4] eal: modify device event callback process func Jeff Guo
2018-10-02 12:58 ` [dpdk-dev] [PATCH v3 3/4] pci: add req handler field to generic pci device Jeff Guo
2018-10-02 12:58 ` [dpdk-dev] [PATCH v3 4/4] vfio: enable vfio hotplug by req notifier handler Jeff Guo
2018-10-02 14:15 ` Burakov, Anatoly
2018-10-04 5:05 ` Jeff Guo
2018-10-04 6:44 ` [dpdk-dev] [PATCH v4 0/4] Enable hotplug in vfio Jeff Guo
2018-10-04 6:44 ` [dpdk-dev] [PATCH v4 1/4] eal: add a new req notifier to eal interrupt Jeff Guo
2018-10-04 6:44 ` [dpdk-dev] [PATCH v4 2/4] eal: modify device event callback process func Jeff Guo
2018-10-04 6:44 ` [dpdk-dev] [PATCH v4 3/4] pci: add req handler field to generic pci device Jeff Guo
2018-10-15 9:12 ` Thomas Monjalon
2018-10-15 10:01 ` Thomas Monjalon
2018-10-04 6:44 ` [dpdk-dev] [PATCH v4 4/4] vfio: enable vfio hotplug by req notifier handler Jeff Guo
2018-10-04 9:11 ` Burakov, Anatoly [this message]
2018-10-15 21:47 ` [dpdk-dev] [PATCH v4 0/4] Enable hotplug in vfio Thomas Monjalon
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