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Open Source and information security mailing list archives
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Date: Thu, 27 Aug 2020 09:47:22 +0200 From: Jürgen Groß <jgross@...e.com> To: Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org> Cc: x86@...nel.org, Joerg Roedel <joro@...tes.org>, iommu@...ts.linux-foundation.org, linux-hyperv@...r.kernel.org, Haiyang Zhang <haiyangz@...rosoft.com>, Jon Derrick <jonathan.derrick@...el.com>, Lu Baolu <baolu.lu@...ux.intel.com>, Wei Liu <wei.liu@...nel.org>, "K. Y. Srinivasan" <kys@...rosoft.com>, Stephen Hemminger <sthemmin@...rosoft.com>, Steve Wahl <steve.wahl@....com>, Dimitri Sivanich <sivanich@....com>, Russ Anderson <rja@....com>, linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>, Lorenzo Pieralisi <lorenzo.pieralisi@....com>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, xen-devel@...ts.xenproject.org, Boris Ostrovsky <boris.ostrovsky@...cle.com>, Stefano Stabellini <sstabellini@...nel.org>, Marc Zyngier <maz@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, Megha Dey <megha.dey@...el.com>, Jason Gunthorpe <jgg@...lanox.com>, Dave Jiang <dave.jiang@...el.com>, Alex Williamson <alex.williamson@...hat.com>, Jacob Pan <jacob.jun.pan@...el.com>, Baolu Lu <baolu.lu@...el.com>, Kevin Tian <kevin.tian@...el.com>, Dan Williams <dan.j.williams@...el.com> Subject: Re: [patch V2 28/46] x86/xen: Consolidate XEN-MSI init On 26.08.20 13:16, Thomas Gleixner wrote: > From: Thomas Gleixner <tglx@...utronix.de> > > X86 cannot store the irq domain pointer in struct device without breaking > XEN because the irq domain pointer takes precedence over arch_*_msi_irqs() > fallbacks. > > To achieve this XEN MSI interrupt management needs to be wrapped into an > irq domain. > > Move the x86_msi ops setup into a single function to prepare for this. > > Signed-off-by: Thomas Gleixner <tglx@...utronix.de> Reviewed-by: Juergen Gross <jgross@...e.com> Juergen
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