netdev - RE: [Intel-wired-lan] [PATCH iwl-next v2 4/4] ice: manage VFs MSI-X using resource tracking

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Message-ID: <BL0PR11MB3521B8B9F574CB3C9E48795A8FB9A@BL0PR11MB3521.namprd11.prod.outlook.com>
Date: Thu, 23 Nov 2023 15:03:27 +0000
From: "Romanowski, Rafal" <rafal.romanowski@...el.com>
To: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "Fijalkowski, Maciej"
	<maciej.fijalkowski@...el.com>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next v2 4/4] ice: manage VFs MSI-X
 using resource tracking

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Michal Swiatkowski
> Sent: Monday, September 18, 2023 8:24 AM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: netdev@...r.kernel.org; Michal Swiatkowski
> <michal.swiatkowski@...ux.intel.com>; Fijalkowski, Maciej
> <maciej.fijalkowski@...el.com>; Kitszel, Przemyslaw
> <przemyslaw.kitszel@...el.com>
> Subject: [Intel-wired-lan] [PATCH iwl-next v2 4/4] ice: manage VFs MSI-X
> using resource tracking
> 
> Track MSI-X for VFs using bitmap, by setting and clearing bitmap during
> allocation and freeing.
> 
> Try to linearize irqs usage for VFs, by freeing them and allocating once again.
> Do it only for VFs that aren't currently running.
> 
> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_sriov.c | 170 ++++++++++++++++++---
>  1 file changed, 151 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c
> b/drivers/net/ethernet/intel/ice/ice_sriov.c
> index 679bf63fd17a..2a5e6616cc0a 100644
> --- a/drivers/net/ethernet/intel/ice/ice_sriov.c
> +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c


Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>