linux-kernel - Re: [PATCH 00/67] KVM: iommu: Overhaul device posted IRQs support

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Message-ID: <805ef636-99c2-4d77-9e2d-e4b6ec257e20@amd.com>
Date: Wed, 9 Apr 2025 14:00:24 +0530
From: Vasant Hegde <vasant.hegde@....com>
To: Joerg Roedel <joro@...tes.org>, Sean Christopherson <seanjc@...gle.com>,
 suravee.suthikulpanit@....com
Cc: Paolo Bonzini <pbonzini@...hat.com>, David Woodhouse
 <dwmw2@...radead.org>, Lu Baolu <baolu.lu@...ux.intel.com>,
 kvm@...r.kernel.org, iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
 Maxim Levitsky <mlevitsk@...hat.com>,
 Joao Martins <joao.m.martins@...cle.com>, David Matlack <dmatlack@...gle.com>
Subject: Re: [PATCH 00/67] KVM: iommu: Overhaul device posted IRQs support

Joerg,


On 4/8/2025 6:14 PM, Joerg Roedel wrote:
> Hey Sean,
> 
> On Fri, Apr 04, 2025 at 12:38:15PM -0700, Sean Christopherson wrote:
>> TL;DR: Overhaul device posted interrupts in KVM and IOMMU, and AVIC in
>>        general.  This needs more testing on AMD with device posted IRQs.
> 
> Thanks for posting this, it fixes quite some issues in the posted IRQ
> implemention. I skimmed through the AMD IOMMU changes and besides some
> small things didn't spot anything worrisome.
> 
> Adding Suravee and Vasant from AMD to this thread for deeper review
> (also of the KVM parts) and testing.

Sure. We will try to review it soon and will run some tests.

-Vasant