linux-kernel - Re: possible deadlock due to irq_set_thread_affinity() calling into the scheduler (was Re: [PATCH v3 38/62] KVM: SVM: Take and hold ir_list

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Message-ID: <0da1aa8b-db05-456c-a89e-7d89755ffc2e@redhat.com>
Date: Wed, 21 Jan 2026 16:53:58 +0100
From: Paolo Bonzini <pbonzini@...hat.com>
To: Thomas Gleixner <tglx@...nel.org>, Ankit Soni <Ankit.Soni@....com>,
 Sean Christopherson <seanjc@...gle.com>, Marc Zyngier <maz@...nel.org>,
 Oliver Upton <oliver.upton@...ux.dev>
Cc: Joerg Roedel <joro@...tes.org>, David Woodhouse <dwmw2@...radead.org>,
 Lu Baolu <baolu.lu@...ux.intel.com>, linux-arm-kernel@...ts.infradead.org,
 kvmarm@...ts.linux.dev, kvm@...r.kernel.org, iommu@...ts.linux.dev,
 linux-kernel@...r.kernel.org, Sairaj Kodilkar <sarunkod@....com>,
 Vasant Hegde <vasant.hegde@....com>, Maxim Levitsky <mlevitsk@...hat.com>,
 Joao Martins <joao.m.martins@...cle.com>,
 Francesco Lavra <francescolavra.fl@...il.com>,
 David Matlack <dmatlack@...gle.com>, Naveen Rao <Naveen.Rao@....com>,
 Crystal Wood <crwood@...hat.com>
Subject: Re: possible deadlock due to irq_set_thread_affinity() calling into
 the scheduler (was Re: [PATCH v3 38/62] KVM: SVM: Take and hold ir_list_lock
 across IRTE updates in IOMMU)

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