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From: Marc Zyngier <maz@kernel.org>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <helgaas@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	x86@kernel.org, Joerg Roedel <joro@8bytes.org>,
	iommu@lists.linux-foundation.org, linux-hyperv@vger.kernel.org,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Jon Derrick <jonathan.derrick@intel.com>,
	Lu Baolu <baolu.lu@linux.intel.com>, Wei Liu <wei.liu@kernel.org>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Steve Wahl <steve.wahl@hpe.com>,
	Dimitri Sivanich <sivanich@hpe.com>, Russ Anderson <rja@hpe.com>,
	linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	xen-devel@lists.xenproject.org, Juergen Gross <jgross@suse.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Megha Dey <megha.dey@intel.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Jacob Pan <jacob.jun.pan@intel.com>,
	Baolu Lu <baolu.lu@intel.com>, Kevin Tian <kevin.tian@intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Rob Herring <robh@kernel.org>
Subject: Re: [patch V2 34/46] PCI/MSI: Make arch_.*_msi_irq[s] fallbacks selectable
Date: Fri, 28 Aug 2020 14:52:56 +0100	[thread overview]
Message-ID: <9346b8358726185a31f50b0fac257129@kernel.org> (raw)
In-Reply-To: <20200828125403.GR1152540@nvidia.com>

On 2020-08-28 13:54, Jason Gunthorpe wrote:
> On Fri, Aug 28, 2020 at 01:47:59PM +0100, Marc Zyngier wrote:
> 
>> > So the arch_setup_msi_irq/etc is not really an arch hook, but some
>> > infrastructure to support those 4 PCI root port drivers.
>> 
>> I happen to have a *really old* patch addressing Tegra [1], which
>> I was never able to test (no HW). Rebasing it shouldn't be too hard,
>> and maybe you can find someone internally willing to give it a spin?
> 
> Sure, that helps a bunch, I will ask internally if someone in that BU
> can take a look.

I just rebased[1] the patch onto -rc2, and provided a TODO list in the
commit message.

Thanks,

         M.

[1] 
https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=irq/tegra-msi
-- 
Jazz is not dead. It just smells funny...

  reply	other threads:[~2020-08-28 13:53 UTC|newest]

Thread overview: 112+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-26 11:16 [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI Thomas Gleixner
2020-08-26 11:16 ` [patch V2 01/46] iommu/amd: Prevent NULL pointer dereference Thomas Gleixner
2020-08-27 14:57   ` Joerg Roedel
2020-08-26 11:16 ` [patch V2 02/46] x86/init: Remove unused init ops Thomas Gleixner
2020-08-26 11:16 ` [patch V2 03/46] PCI: vmd: Dont abuse vector irqomain as parent Thomas Gleixner
2020-08-26 11:16 ` [patch V2 04/46] genirq/chip: Use the first chip in irq_chip_compose_msi_msg() Thomas Gleixner
2020-08-26 19:50   ` Marc Zyngier
2020-08-26 21:19     ` Thomas Gleixner
2020-08-26 21:32       ` Marc Zyngier
2020-08-26 11:16 ` [patch V2 05/46] x86/msi: Move compose message callback where it belongs Thomas Gleixner
2020-08-26 11:16 ` [patch V2 06/46] x86/msi: Remove pointless vcpu_affinity callback Thomas Gleixner
2020-08-26 11:16 ` [patch V2 07/46] x86/irq: Rename X86_IRQ_ALLOC_TYPE_MSI* to reflect PCI dependency Thomas Gleixner
2020-08-26 11:16 ` [patch V2 08/46] x86/irq: Add allocation type for parent domain retrieval Thomas Gleixner
2020-08-26 11:16 ` [patch V2 09/46] iommu/vt-d: Consolidate irq domain getter Thomas Gleixner
2020-08-26 11:16 ` [patch V2 10/46] iommu/amd: " Thomas Gleixner
2020-08-26 11:16 ` [patch V2 11/46] iommu/irq_remapping: Consolidate irq domain lookup Thomas Gleixner
2020-08-26 11:16 ` [patch V2 12/46] x86/irq: Prepare consolidation of irq_alloc_info Thomas Gleixner
2020-08-26 11:16 ` [patch V2 13/46] x86/msi: Consolidate HPET allocation Thomas Gleixner
2020-08-26 11:16 ` [patch V2 14/46] x86/ioapic: Consolidate IOAPIC allocation Thomas Gleixner
2020-09-08 13:35   ` Wei Liu
2020-08-26 11:16 ` [patch V2 15/46] x86/irq: Consolidate DMAR irq allocation Thomas Gleixner
2020-08-26 16:50   ` Dey, Megha
2020-08-26 18:32     ` Thomas Gleixner
2020-08-26 20:50       ` Thomas Gleixner
2020-08-28  0:12         ` Dey, Megha
2020-08-26 11:16 ` [patch V2 16/46] x86/irq: Consolidate UV domain allocation Thomas Gleixner
2020-08-26 11:16 ` [patch V2 17/46] PCI/MSI: Rework pci_msi_domain_calc_hwirq() Thomas Gleixner
2020-08-26 20:24   ` Marc Zyngier
2020-08-26 11:16 ` [patch V2 18/46] x86/msi: Consolidate MSI allocation Thomas Gleixner
2020-09-08 13:36   ` Wei Liu
2020-08-26 11:16 ` [patch V2 19/46] x86/msi: Use generic MSI domain ops Thomas Gleixner
2020-08-26 20:21   ` Marc Zyngier
2020-08-26 20:43     ` Thomas Gleixner
2020-08-26 11:16 ` [patch V2 20/46] x86/irq: Move apic_post_init() invocation to one place Thomas Gleixner
2020-08-26 11:16 ` [patch V2 21/46] x86/pci: Reducde #ifdeffery in PCI init code Thomas Gleixner
2020-08-26 11:16 ` [patch V2 22/46] x86/irq: Initialize PCI/MSI domain at PCI init time Thomas Gleixner
2020-08-26 11:16 ` [patch V2 23/46] irqdomain/msi: Provide DOMAIN_BUS_VMD_MSI Thomas Gleixner
2020-08-26 20:42   ` Marc Zyngier
2020-08-26 20:57     ` Derrick, Jonathan
2020-08-26 11:16 ` [patch V2 24/46] PCI: vmd: Mark VMD irqdomain with DOMAIN_BUS_VMD_MSI Thomas Gleixner
2020-08-26 20:47   ` Marc Zyngier
2020-08-31 14:39   ` Jason Gunthorpe
2020-09-30 12:45     ` Derrick, Jonathan
2020-09-30 12:57       ` Jason Gunthorpe
2020-09-30 13:08         ` Derrick, Jonathan
2020-09-30 18:47           ` Jason Gunthorpe
2020-08-26 11:16 ` [patch V2 25/46] PCI/MSI: Provide pci_dev_has_special_msi_domain() helper Thomas Gleixner
2020-08-26 11:16 ` [patch V2 26/46] x86/xen: Make xen_msi_init() static and rename it to xen_hvm_msi_init() Thomas Gleixner
2020-08-26 11:16 ` [patch V2 27/46] x86/xen: Rework MSI teardown Thomas Gleixner
2020-08-27  7:46   ` Jürgen Groß
2020-08-26 11:16 ` [patch V2 28/46] x86/xen: Consolidate XEN-MSI init Thomas Gleixner
2020-08-27  7:47   ` Jürgen Groß
2020-08-26 11:16 ` [patch V2 29/46] irqdomain/msi: Allow to override msi_domain_alloc/free_irqs() Thomas Gleixner
2020-08-26 19:06   ` Marc Zyngier
2020-08-26 19:47     ` Thomas Gleixner
2020-08-26 21:33       ` Marc Zyngier
2020-08-28  0:24   ` Dey, Megha
2020-08-26 11:16 ` [patch V2 30/46] x86/xen: Wrap XEN MSI management into irqdomain Thomas Gleixner
2023-01-15 14:12   ` David Woodhouse
2023-01-15 20:27     ` David Woodhouse
2020-08-26 11:16 ` [patch V2 31/46] iommm/vt-d: Store irq domain in struct device Thomas Gleixner
2020-08-26 11:17 ` [patch V2 32/46] iommm/amd: " Thomas Gleixner
2020-08-26 11:17 ` [patch V2 33/46] x86/pci: Set default irq domain in pcibios_add_device() Thomas Gleixner
2020-08-26 11:17 ` [patch V2 34/46] PCI/MSI: Make arch_.*_msi_irq[s] fallbacks selectable Thomas Gleixner
2020-08-26 15:53   ` Thomas Gleixner
2020-08-26 21:14   ` Marc Zyngier
2020-08-26 21:27     ` Thomas Gleixner
2020-08-27 18:20   ` Bjorn Helgaas
2020-08-28 11:21     ` Lorenzo Pieralisi
2020-08-28 12:19       ` Jason Gunthorpe
2020-08-28 12:47         ` Marc Zyngier
2020-08-28 12:54           ` Jason Gunthorpe
2020-08-28 13:52             ` Marc Zyngier [this message]
2020-08-28 18:29     ` Thomas Gleixner
2020-09-25 13:54   ` Qian Cai
2020-09-26 12:38     ` Vasily Gorbik
2020-09-28 10:11       ` Thomas Gleixner
2020-08-26 11:17 ` [patch V2 35/46] x86/irq: Cleanup the arch_*_msi_irqs() leftovers Thomas Gleixner
2020-08-26 11:17 ` [patch V2 36/46] x86/irq: Make most MSI ops XEN private Thomas Gleixner
2020-08-26 11:17 ` [patch V2 37/46] iommu/vt-d: Remove domain search for PCI/MSI[X] Thomas Gleixner
2020-08-26 11:17 ` [patch V2 38/46] iommu/amd: Remove domain search for PCI/MSI Thomas Gleixner
2020-08-26 11:17 ` [patch V2 39/46] x86/irq: Add DEV_MSI allocation type Thomas Gleixner
2020-08-26 11:17 ` [patch V2 40/46] x86/msi: Rename and rework pci_msi_prepare() to cover non-PCI MSI Thomas Gleixner
2020-08-26 11:17 ` [patch V2 41/46] platform-msi: Provide default irq_chip:: Ack Thomas Gleixner
2020-08-26 21:25   ` Marc Zyngier
2020-08-26 11:17 ` [patch V2 42/46] genirq/proc: Take buslock on affinity write Thomas Gleixner
2020-08-26 11:17 ` [patch V2 43/46] genirq/msi: Provide and use msi_domain_set_default_info_flags() Thomas Gleixner
2020-08-27  8:17   ` Marc Zyngier
2020-08-28 18:42     ` Thomas Gleixner
2020-08-26 11:17 ` [patch V2 44/46] platform-msi: Add device MSI infrastructure Thomas Gleixner
2020-08-26 11:17 ` [patch V2 45/46] irqdomain/msi: Provide msi_alloc/free_store() callbacks Thomas Gleixner
2020-08-26 11:17 ` [patch V2 46/46] irqchip: Add IMS (Interrupt Message Storm) driver - NOT FOR MERGING Thomas Gleixner
2020-08-31 14:45   ` Jason Gunthorpe
2020-08-28 11:41 ` [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI Joerg Roedel
2020-08-31  0:51 ` Lu Baolu
2020-08-31  7:10   ` Thomas Gleixner
2020-08-31  7:29     ` Lu Baolu
2020-09-01  9:06 ` Boqun Feng
2020-09-03 16:35 ` Raj, Ashok
2020-09-03 18:12   ` Thomas Gleixner
2020-09-08  3:39 ` Russ Anderson
2020-09-25 15:29 ` Qian Cai
2020-09-25 15:49   ` Peter Zijlstra
2020-09-25 23:14     ` Thomas Gleixner
2020-09-27  8:46       ` [PATCH] x86/apic/msi: Unbreak DMAR and HPET MSI Thomas Gleixner
2020-09-29 23:03 ` [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI Dey, Megha
2020-09-30  6:41   ` Thomas Gleixner
2020-09-30 11:43     ` Jason Gunthorpe
2020-09-30 15:20       ` Thomas Gleixner
2020-09-30 17:25         ` Dey, Megha
2020-09-30 18:11           ` Thomas Gleixner
2020-11-12 12:55 ` REGRESSION: " Jason Gunthorpe

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