From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Bruce Richardson <bruce.richardson@intel.com>, <dev@dpdk.org>
Cc: Kevin Laatz <kevin.laatz@intel.com>
Subject: Re: [PATCH] dma/idxd: add support for multi-process when using VFIO
Date: Wed, 17 May 2023 11:17:07 +0100 [thread overview]
Message-ID: <1b71adcb-6e89-ddfa-a0d5-9854dbba087e@intel.com> (raw)
In-Reply-To: <20230515162907.8456-1-bruce.richardson@intel.com>
On 5/15/2023 5:29 PM, Bruce Richardson wrote:
> When using vfio-pci/uio for hardware access, we need to avoid
> reinitializing the hardware when mapping from a secondary process.
> Instead, just configure the function pointers and reuse the data
> mappings from the primary process.
>
> With the code change, update driver doc with the information that
> vfio-pci can be used for multi-process support, and explicitly state the
> limitation on multi-process support being unavailable when using idxd
> kernel driver.
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
From multiprocess perspective,
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
--
Thanks,
Anatoly
next prev parent reply other threads:[~2023-05-17 10:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-15 16:29 Bruce Richardson
2023-05-17 10:17 ` Burakov, Anatoly [this message]
2023-05-24 19:14 ` Thomas Monjalon
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