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From: "Trahe, Fiona" <fiona.trahe@intel.com>
To: "Dybkowski, AdamX" <adamx.dybkowski@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"akhil.goyal@nxp.com" <akhil.goyal@nxp.com>,
	"Mcnamara, John" <john.mcnamara@intel.com>
Cc: "Trahe, Fiona" <fiona.trahe@intel.com>
Subject: Re: [dpdk-dev] [PATCH] doc: document vfio-pci usage with QAT PMD
Date: Tue, 8 Sep 2020 16:00:27 +0000
Message-ID: <SN6PR11MB2880AA68305FCB225F69EE05E4290@SN6PR11MB2880.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20200908142047.331-1-adamx.dybkowski@intel.com>

Hi Adam,

> -----Original Message-----
> From: Dybkowski, AdamX <adamx.dybkowski@intel.com>
> Sent: Tuesday, September 8, 2020 3:21 PM
> To: dev@dpdk.org; Trahe, Fiona <fiona.trahe@intel.com>; akhil.goyal@nxp.com; Mcnamara, John
> <john.mcnamara@intel.com>
> Cc: Dybkowski, AdamX <adamx.dybkowski@intel.com>
> Subject: [PATCH] doc: document vfio-pci usage with QAT PMD
> 
> This patch marks the old igb-uio driver as unsecure when used
> with the QAT PMD and updates all examples to recommend using
> vfio-pci instead.
> It also mentions security issues with the QAT CPM and provides
> information about the new vfio-pci parameter 'disable_denylist'
> available in Linux kernels 5.9 and later.
> 
> Signed-off-by: Adam Dybkowski <adamx.dybkowski@intel.com>
> ---


//snip///
> +Load the vfio-pci driver, bind the VF PCI Device id to it and use lspci
> +to confirm the VF devices are now in use by vfio-pci kernel driver,
>  e.g. for the C62x device::
> 
>      cd to the top-level DPDK directory
>      modprobe uio
> -    insmod ./build/kmod/igb_uio.ko
> -    echo "8086 37c9" > /sys/bus/pci/drivers/igb_uio/new_id
> +    modprobe vfio-pci
[Fiona] it would be useful to also add a note here - something like
"Use modprobe vfio-pci disable_denylist=1" from kernel 5.9 onwards. See note in Section xxx above"

Apart from this 
Acked-by: Fiona Trahe <fiona.trahe@intel.com>


  reply	other threads:[~2020-09-08 16:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-08 14:20 Adam Dybkowski
2020-09-08 16:00 ` Trahe, Fiona [this message]
2020-09-08 16:19 ` [dpdk-dev] [PATCH v2 0/1] " Adam Dybkowski
2020-09-08 16:19   ` [dpdk-dev] [PATCH v2 1/1] " Adam Dybkowski
2020-09-09 10:51     ` Burakov, Anatoly
2020-09-08 19:22   ` [dpdk-dev] [PATCH v2 0/1] " Mcnamara, John
2020-09-15 11:14   ` [dpdk-dev] [PATCH v3 " Adam Dybkowski
2020-09-15 11:14     ` [dpdk-dev] [PATCH v3 1/1] " Adam Dybkowski
2020-09-16 12:33       ` Burakov, Anatoly
2020-10-08 21:29       ` Akhil Goyal
2020-10-12 10:50         ` Dybkowski, AdamX
2020-10-12 10:43     ` [dpdk-dev] [PATCH v4 0/1] " Adam Dybkowski
2020-10-12 10:43       ` [dpdk-dev] [PATCH v4 1/1] " Adam Dybkowski
2020-10-13 14:10       ` [dpdk-dev] [PATCH v5 0/1] " Adam Dybkowski
2020-10-13 14:10         ` [dpdk-dev] [PATCH v5 1/1] " Adam Dybkowski
2020-10-28 11:05           ` Akhil Goyal

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