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Message-ID: <BN9PR11MB52765DCF09ADC75D93F20A998C6B9@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Fri, 28 Apr 2023 06:43:20 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: "Chatre, Reinette" <reinette.chatre@...el.com>,
"jgg@...dia.com" <jgg@...dia.com>,
"yishaih@...dia.com" <yishaih@...dia.com>,
"shameerali.kolothum.thodi@...wei.com"
<shameerali.kolothum.thodi@...wei.com>,
"alex.williamson@...hat.com" <alex.williamson@...hat.com>
CC: "tglx@...utronix.de" <tglx@...utronix.de>,
"darwi@...utronix.de" <darwi@...utronix.de>,
"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
"Jiang, Dave" <dave.jiang@...el.com>,
"Liu, Jing2" <jing2.liu@...el.com>,
"Raj, Ashok" <ashok.raj@...el.com>,
"Yu, Fenghua" <fenghua.yu@...el.com>,
"tom.zanussi@...ux.intel.com" <tom.zanussi@...ux.intel.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V4 09/11] vfio/pci: Probe and store ability to support
dynamic MSI-X
> From: Chatre, Reinette <reinette.chatre@...el.com>
> Sent: Friday, April 28, 2023 1:36 AM
>
> Not all MSI-X devices support dynamic MSI-X allocation. Whether
> a device supports dynamic MSI-X should be queried using
> pci_msix_can_alloc_dyn().
>
> Instead of scattering code with pci_msix_can_alloc_dyn(),
> probe this ability once and store it as a property of the
> virtual device.
>
> Suggested-by: Alex Williamson <alex.williamson@...hat.com>
> Signed-off-by: Reinette Chatre <reinette.chatre@...el.com>
Reviewed-by: Kevin Tian <kevin.tian@...el.com>
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