From: David Marchand <david.marchand@redhat.com>
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev@dpdk.org, "Mcnamara, John" <john.mcnamara@intel.com>,
Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [PATCH 1/2] eal/linux: fix VFIO hotplug with multiprocess
Date: Fri, 4 Oct 2024 16:34:22 +0200 [thread overview]
Message-ID: <CAJFAV8xwd5ULtM0yTYF2JQx-kSvZUyK+fUSZHpcQsooox4Yj+g@mail.gmail.com> (raw)
In-Reply-To: <20240916123044.2692301-1-david.marchand@redhat.com>
Hello Anatoly,
On Mon, Sep 16, 2024 at 2:31 PM David Marchand
<david.marchand@redhat.com> wrote:
>
> At the moment, if VFIO is not available at DPDK init, it won't be
> available unless a subsequent rte_vfio_enable() is done.
>
> Yet, even if rte_vfio_enable() is called again in primary and secondary
> processes, a secondary process will never get to know that VFIO has been
> enabled in the primary process as the MP requests handler is only
> registered in EAL init.
>
> On the other hand, moving the MP requests handler registration earlier
> in EAL init is ok, as secondary process are supposed to be waiting on
> eal_mcfg_wait_complete() until the primary process calls
> eal_mcfg_complete().
>
> Move vfio_mp_sync_setup() in rte_vfio_enable().
>
> Besides, rte_eal_vfio_setup() is useless and its name with a rte_ prefix
> is ambiguous as it gives the impression it is an exported/public symbol.
> Remove it and directly call rte_vfio_enable() where needed.
>
> Signed-off-by: David Marchand <david.marchand@redhat.com>
Can I get a review on this 2 patches series?
Thanks.
--
David Marchand
prev parent reply other threads:[~2024-10-04 14:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-16 12:30 David Marchand
2024-09-16 12:30 ` [PATCH 2/2] bus/pci: enhance hotplug for VFIO bound devices David Marchand
2024-09-17 8:57 ` Maxime Coquelin
2024-09-17 8:20 ` [PATCH 1/2] eal/linux: fix VFIO hotplug with multiprocess Maxime Coquelin
2024-10-02 18:31 ` David Marchand
2024-10-03 8:25 ` Kevin Traynor
2024-10-04 14:34 ` David Marchand [this message]
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