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Y. Srinivasan" , Stephen Hemminger , Steve Wahl , Dimitri Sivanich , Russ Anderson , linux-pci@vger.kernel.org, Bjorn Helgaas , Konrad Rzeszutek Wilk , xen-devel@lists.xenproject.org, Juergen Gross , Boris Ostrovsky , Stefano Stabellini , Greg Kroah-Hartman , "Rafael J. Wysocki" , Megha Dey , Dave Jiang , Alex Williamson , Jacob Pan , Baolu Lu , Kevin Tian , Dan Williams , Rob Herring Subject: Re: [patch V2 34/46] PCI/MSI: Make arch_.*_msi_irq[s] fallbacks selectable In-Reply-To: <20200828125403.GR1152540@nvidia.com> References: <20200826112333.992429909@linutronix.de> <20200827182040.GA2049623@bjorn-Precision-5520> <20200828112142.GA14208@e121166-lin.cambridge.arm.com> <20200828121944.GQ1152540@nvidia.com> <0cc8bfd9258dfc507585fd0f19a945e3@kernel.org> <20200828125403.GR1152540@nvidia.com> User-Agent: Roundcube Webmail/1.4.8 Message-ID: <9346b8358726185a31f50b0fac257129@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: jgg@nvidia.com, lorenzo.pieralisi@arm.com, helgaas@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, x86@kernel.org, joro@8bytes.org, iommu@lists.linux-foundation.org, linux-hyperv@vger.kernel.org, haiyangz@microsoft.com, jonathan.derrick@intel.com, baolu.lu@linux.intel.com, wei.liu@kernel.org, kys@microsoft.com, sthemmin@microsoft.com, steve.wahl@hpe.com, sivanich@hpe.com, rja@hpe.com, linux-pci@vger.kernel.org, bhelgaas@google.com, konrad.wilk@oracle.com, xen-devel@lists.xenproject.org, jgross@suse.com, boris.ostrovsky@oracle.com, sstabellini@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, megha.dey@intel.com, dave.jiang@intel.com, alex.williamson@redhat.com, jacob.jun.pan@intel.com, baolu.lu@intel.com, kevin.tian@intel.com, dan.j.williams@intel.com, robh@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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...