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Message-ID: <PH0PR11MB5611D8F48DE4DEA4CA6F40C38595A@PH0PR11MB5611.namprd11.prod.outlook.com>
Date: Thu, 21 Dec 2023 14:00:03 +0000
From: "Staikov, Andrii" <andrii.staikov@...el.com>
To: "Keller, Jacob E" <jacob.e.keller@...el.com>,
"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Ostrowska,
Karen" <karen.ostrowska@...el.com>, Mateusz Palczewski
<mateusz.palczewski@...el.com>, "Drewek, Wojciech"
<wojciech.drewek@...el.com>, "Kitszel, Przemyslaw"
<przemyslaw.kitszel@...el.com>
Subject: RE: [PATCH iwl-net v4] i40e: Restore VF MSI-X state during PCI reset
> The ice driver recently started caching the PCI device structure
> pointers in their VF structure instead of having to do this sort of
> lookup on the fly.
>
> See 31642d2854e2 ("ice: store VF's pci_dev ptr in ice_vf") [1][2]
>
> [1]:
> https://lore.kernel.org/intel-wired-lan/20230912115626.105828-1-mateusz.polchlopek@intel.com/
> [2]:
> https://lore.kernel.org/netdev/20231019173227.3175575-4-jacob.e.keller@intel.com/
>
> Can we do something similar for i40e?
For now we don't anticipate much benefit of this approach, and we want relatively smaller change for a bugfix.
Regards,
Staikov Andrii
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