From: "Tian, Kevin" <kevin.tian@intel.com>
To: Robin Murphy <robin.murphy@arm.com>, "joro@8bytes.org" <joro@8bytes.org>
Cc: "will@kernel.org" <will@kernel.org>,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"baolu.lu@linux.intel.com" <baolu.lu@linux.intel.com>,
"suravee.suthikulpanit@amd.com" <suravee.suthikulpanit@amd.com>,
"vasant.hegde@amd.com" <vasant.hegde@amd.com>,
"mjrosato@linux.ibm.com" <mjrosato@linux.ibm.com>,
"gerald.schaefer@linux.ibm.com" <gerald.schaefer@linux.ibm.com>,
"schnelle@linux.ibm.com" <schnelle@linux.ibm.com>,
"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v3 00/15] iommu: Retire bus_set_iommu()
Date: Thu, 21 Jul 2022 07:17:53 +0000 [thread overview]
Message-ID: <BN9PR11MB5276BA4616A6F8DCF919CA728C919@BN9PR11MB5276.namprd11.prod.outlook.com> (raw)
In-Reply-To: <f0374374-1f3b-6beb-b7e9-f8071d48bf4d@arm.com>
> From: Robin Murphy <robin.murphy@arm.com>
> Sent: Friday, July 15, 2022 9:13 PM
>
> On 2022-07-05 18:08, Robin Murphy wrote:
> > v2: https://lore.kernel.org/linux-
> iommu/cover.1650890638.git.robin.murphy@arm.com/
> >
> > Hi all,
> >
> > Here's v3, now with working x86! Having finally made sense of how I
> > broke Intel, I've given AMD the same fix by inspection. I'm still not
> > 100% sure about s390, but it looks like it should probably be OK since
> > it seems to register an IOMMU instance for each PCI device (?!) before
> > disappearing into PCI hotplug code, wherein I assume we should never see
> > a PCI device appear without its IOMMU already registered.
> >
> > Otherwise, the only other updates are hooking up the new host1x context
> > bus (noting that it now takes all of 4 lines to support a whole new bus,
> > yay!), and a slight tweak to make sure we keep rejecting registration of
> > conflicting iommu_ops rather than needlessly change that just yet.
>
> FWIW I've prepared v4, including Matt's s390 patch and some nice extra
> cleanups thanks to Kevin's suggestions, but have now decided to wait to
> rebase and send it after the upcoming merge window. If anyone's
> interested in the meantime, there's a preliminary branch here:
>
> https://gitlab.arm.com/linux-arm/linux-rm/-/commits/bus-set-iommu-v4
>
> (temporarily including the host1x patch from -next to avoid breakage on
> arm64 as well)
>
This looks good to me.
prev parent reply other threads:[~2022-07-21 7:18 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 17:08 [PATCH v3 00/15] iommu: Retire bus_set_iommu() Robin Murphy
2022-07-05 17:08 ` [PATCH v3 01/15] iommu/vt-d: Handle race between registration and device probe Robin Murphy
2022-07-06 1:39 ` Baolu Lu
2022-07-07 6:51 ` Tian, Kevin
2022-07-08 7:52 ` Baolu Lu
2022-07-15 12:37 ` Robin Murphy
2022-07-19 0:06 ` Lu Baolu
2022-07-05 17:08 ` [PATCH v3 02/15] iommu/amd: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 03/15] iommu: Always register bus notifiers Robin Murphy
2022-07-06 1:53 ` Baolu Lu
2022-07-06 13:43 ` Robin Murphy
2022-07-07 0:20 ` Baolu Lu
2022-07-07 6:34 ` Tian, Kevin
2022-07-07 9:38 ` Robin Murphy
2022-07-07 6:31 ` Tian, Kevin
2022-07-07 9:58 ` Robin Murphy
2022-07-08 5:50 ` Tian, Kevin
2022-07-05 17:08 ` [PATCH v3 04/15] iommu: Move bus setup to IOMMU device registration Robin Murphy
2022-07-06 2:35 ` Baolu Lu
2022-07-06 14:37 ` Robin Murphy
2022-07-07 1:19 ` Baolu Lu
2022-07-07 6:51 ` Tian, Kevin
2022-07-07 10:58 ` Robin Murphy
2022-07-08 5:52 ` Tian, Kevin
2022-07-05 17:08 ` [PATCH v3 05/15] iommu/amd: Clean up bus_set_iommu() Robin Murphy
2022-07-05 17:08 ` [PATCH v3 06/15] iommu/arm-smmu: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 07/15] iommu/arm-smmu-v3: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 08/15] iommu/dart: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 09/15] iommu/exynos: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 10/15] iommu/ipmmu-vmsa: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 11/15] iommu/mtk: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 12/15] iommu/omap: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 13/15] iommu/tegra-smmu: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 14/15] iommu/virtio: " Robin Murphy
2022-07-05 17:08 ` [PATCH v3 15/15] iommu: " Robin Murphy
2022-07-07 7:45 ` Tian, Kevin
2022-07-07 12:49 ` Matthew Rosato
2022-07-07 12:54 ` Matthew Rosato
2022-07-07 14:58 ` Robin Murphy
2022-07-07 16:42 ` Matthew Rosato
2022-07-08 8:14 ` [PATCH] iommu/s390: fail probe for non-pci device Niklas Schnelle
2022-07-08 8:17 ` [PATCH v3 00/15] iommu: Retire bus_set_iommu() Niklas Schnelle
2022-07-15 13:12 ` Robin Murphy
2022-07-21 7:17 ` Tian, Kevin [this message]
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