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From:   "Tian, Kevin" <kevin.tian@intel.com>
To:     "Chatre, Reinette" <reinette.chatre@intel.com>,
        "jgg@nvidia.com" <jgg@nvidia.com>,
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CC:     "tglx@linutronix.de" <tglx@linutronix.de>,
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        "tom.zanussi@linux.intel.com" <tom.zanussi@linux.intel.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH V4 09/11] vfio/pci: Probe and store ability to support
 dynamic MSI-X
Thread-Topic: [PATCH V4 09/11] vfio/pci: Probe and store ability to support
 dynamic MSI-X
Thread-Index: AQHZeS7PnLtKVoCULkyj9AGoHjL3j69ARwTQ
Date:   Fri, 28 Apr 2023 06:43:20 +0000
Message-ID: <BN9PR11MB52765DCF09ADC75D93F20A998C6B9@BN9PR11MB5276.namprd11.prod.outlook.com>
References: <cover.1682615447.git.reinette.chatre@intel.com>
 <db312ebdcf31d61b8d443d8894f1add443399072.1682615447.git.reinette.chatre@intel.com>
In-Reply-To: <db312ebdcf31d61b8d443d8894f1add443399072.1682615447.git.reinette.chatre@intel.com>
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> From: Chatre, Reinette <reinette.chatre@intel.com>
> Sent: Friday, April 28, 2023 1:36 AM
>=20
> 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().
>=20
> Instead of scattering code with pci_msix_can_alloc_dyn(),
> probe this ability once and store it as a property of the
> virtual device.
>=20
> Suggested-by: Alex Williamson <alex.williamson@redhat.com>
> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>

Reviewed-by: Kevin Tian <kevin.tian@intel.com>