From: Oliver Upton <oliver.upton@linux.dev>
To: Sean Christopherson <seanjc@google.com>
Cc: Marc Zyngier <maz@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>,
Lu Baolu <baolu.lu@linux.intel.com>,
linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
kvm@vger.kernel.org, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org, Sairaj Kodilkar <sarunkod@amd.com>,
Vasant Hegde <vasant.hegde@amd.com>,
Maxim Levitsky <mlevitsk@redhat.com>,
Joao Martins <joao.m.martins@oracle.com>,
Francesco Lavra <francescolavra.fl@gmail.com>,
David Matlack <dmatlack@google.com>
Subject: Re: [PATCH v3 02/62] KVM: arm64: WARN if unmapping vLPI fails
Date: Fri, 20 Jun 2025 12:27:48 -0700 [thread overview]
Message-ID: <aFW2NISX0q11sop1@linux.dev> (raw)
In-Reply-To: <aFWws7h3L-iN52sF@google.com>
On Fri, Jun 20, 2025 at 12:04:19PM -0700, Sean Christopherson wrote:
> On Fri, Jun 20, 2025, Oliver Upton wrote:
> > Can you just send it out as a standalone patch? It's only tangientally
> > related to the truckload of x86 stuff
>
> The issue is that "KVM: Don't WARN if updating IRQ bypass route fails" directly
> depends on both this patch
Eh? At worst we break bisection for the warn, which I'm sure we manage
to commit similar high crimes on the regular.
> If I post it as a standalone patch, could you/Marc put it into a stable topic
> branch based on kvm/master? (kvm/master now has patch 1, yay!) Then I can create
> a topic branch for this mountain of stuff based on the arm64 topic branch.
Ok, how about making the arm64 piece patch 1 in your series and you take
the whole pile. If we need it, I'll bug you for a ref that only has the
first change.
That ok?
Thanks,
Oliver
next prev parent reply other threads:[~2025-06-20 19:28 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-11 22:45 [PATCH v3 00/62] KVM: iommu: Overhaul device posted IRQs support Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 01/62] KVM: arm64: Explicitly treat routing entry type changes as changes Sean Christopherson
2025-06-13 19:43 ` Oliver Upton
2025-06-19 12:36 ` (subset) " Marc Zyngier
2025-06-11 22:45 ` [PATCH v3 02/62] KVM: arm64: WARN if unmapping vLPI fails Sean Christopherson
2025-06-12 11:59 ` Marc Zyngier
2025-06-12 14:34 ` Sean Christopherson
2025-06-13 20:47 ` Oliver Upton
2025-06-20 17:22 ` Sean Christopherson
2025-06-20 18:00 ` David Woodhouse
2025-06-20 18:48 ` Oliver Upton
2025-06-20 19:04 ` Sean Christopherson
2025-06-20 19:27 ` Oliver Upton [this message]
2025-06-20 20:31 ` Sean Christopherson
2025-06-20 20:45 ` Oliver Upton
2025-06-11 22:45 ` [PATCH v3 03/62] KVM: Pass new routing entries and irqfd when updating IRTEs Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 04/62] KVM: SVM: Track per-vCPU IRTEs using kvm_kernel_irqfd structure Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 05/62] KVM: SVM: Delete IRTE link from previous vCPU before setting new IRTE Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 06/62] iommu/amd: KVM: SVM: Delete now-unused cached/previous GA tag fields Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 07/62] KVM: SVM: Delete IRTE link from previous vCPU irrespective of new routing Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 08/62] KVM: SVM: Drop pointless masking of default APIC base when setting V_APIC_BAR Sean Christopherson
2025-06-13 14:15 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 09/62] KVM: SVM: Drop pointless masking of kernel page pa's with AVIC HPA masks Sean Christopherson
2025-06-13 14:37 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 10/62] KVM: SVM: Add helper to deduplicate code for getting AVIC backing page Sean Christopherson
2025-06-13 14:38 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 11/62] KVM: SVM: Drop vcpu_svm's pointless avic_backing_page field Sean Christopherson
2025-06-13 14:44 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 12/62] KVM: SVM: Inhibit AVIC if ID is too big instead of rejecting vCPU creation Sean Christopherson
2025-06-17 14:25 ` Naveen N Rao
2025-06-17 16:10 ` Sean Christopherson
2025-06-18 14:33 ` Naveen N Rao
2025-06-18 20:59 ` Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 13/62] KVM: SVM: Drop redundant check in AVIC code on ID during " Sean Christopherson
2025-06-17 14:49 ` Naveen N Rao
2025-06-17 16:33 ` Sean Christopherson
2025-06-18 14:39 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 14/62] KVM: SVM: Track AVIC tables as natively sized pointers, not "struct pages" Sean Christopherson
2025-06-17 15:01 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 15/62] KVM: SVM: Drop superfluous "cache" of AVIC Physical ID entry pointer Sean Christopherson
2025-06-19 11:09 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 16/62] KVM: VMX: Move enable_ipiv knob to common x86 Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 17/62] KVM: SVM: Add enable_ipiv param, never set IsRunning if disabled Sean Christopherson
2025-06-19 11:31 ` Naveen N Rao
2025-06-19 12:01 ` Naveen N Rao
2025-06-20 14:39 ` Sean Christopherson
2025-06-23 10:45 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 18/62] KVM: SVM: Disable (x2)AVIC IPI virtualization if CPU has erratum #1235 Sean Christopherson
2025-06-23 14:05 ` Naveen N Rao
2025-06-23 15:30 ` Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 19/62] KVM: VMX: Suppress PI notifications whenever the vCPU is put Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 20/62] KVM: SVM: Add a comment to explain why avic_vcpu_blocking() ignores IRQ blocking Sean Christopherson
2025-06-23 15:54 ` Naveen N Rao
2025-06-23 16:18 ` Sean Christopherson
2025-06-25 15:28 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 21/62] iommu/amd: KVM: SVM: Use pi_desc_addr to derive ga_root_ptr Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 22/62] iommu/amd: KVM: SVM: Pass NULL @vcpu_info to indicate "not guest mode" Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 23/62] KVM: SVM: Stop walking list of routing table entries when updating IRTE Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 24/62] KVM: VMX: " Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 25/62] KVM: SVM: Extract SVM specific code out of get_pi_vcpu_info() Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 26/62] KVM: x86: Move IRQ routing/delivery APIs from x86.c => irq.c Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 27/62] KVM: x86: Nullify irqfd->producer after updating IRTEs Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 28/62] KVM: x86: Dedup AVIC vs. PI code for identifying target vCPU Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 29/62] KVM: x86: Move posted interrupt tracepoint to common code Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 30/62] KVM: SVM: Clean up return handling in avic_pi_update_irte() Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 31/62] iommu: KVM: Split "struct vcpu_data" into separate AMD vs. Intel structs Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 32/62] KVM: Don't WARN if updating IRQ bypass route fails Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 33/62] KVM: Fold kvm_arch_irqfd_route_changed() into kvm_arch_update_irqfd_routing() Sean Christopherson
2025-06-13 20:50 ` Oliver Upton
2025-06-11 22:45 ` [PATCH v3 34/62] KVM: x86: Track irq_bypass_vcpu in common x86 code Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 35/62] KVM: x86: Skip IOMMU IRTE updates if there's no old or new vCPU being targeted Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 36/62] KVM: x86: Don't update IRTE entries when old and new routes were !MSI Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 37/62] KVM: SVM: Revert IRTE to legacy mode if IOMMU doesn't provide IR metadata Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 38/62] KVM: SVM: Take and hold ir_list_lock across IRTE updates in IOMMU Sean Christopherson
2025-06-17 15:42 ` Naveen N Rao
2025-06-11 22:45 ` [PATCH v3 39/62] iommu/amd: Document which IRTE fields amd_iommu_update_ga() can modify Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 40/62] iommu/amd: KVM: SVM: Infer IsRun from validity of pCPU destination Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 41/62] iommu/amd: Factor out helper for manipulating IRTE GA/CPU info Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 42/62] iommu/amd: KVM: SVM: Set pCPU info in IRTE when setting vCPU affinity Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 43/62] iommu/amd: KVM: SVM: Add IRTE metadata to affined vCPU's list if AVIC is inhibited Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 44/62] KVM: SVM: Don't check for assigned device(s) when updating affinity Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 45/62] KVM: SVM: Don't check for assigned device(s) when activating AVIC Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 46/62] KVM: SVM: WARN if (de)activating guest mode in IOMMU fails Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 47/62] KVM: SVM: Process all IRTEs on affinity change even if one update fails Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 48/62] KVM: SVM: WARN if updating IRTE GA fields in IOMMU fails Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 49/62] KVM: x86: Drop superfluous "has assigned device" check in kvm_pi_update_irte() Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 50/62] KVM: x86: WARN if IRQ bypass isn't supported " Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 51/62] KVM: x86: WARN if IRQ bypass routing is updated without in-kernel local APIC Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 52/62] KVM: SVM: WARN if ir_list is non-empty at vCPU free Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 53/62] KVM: x86: Decouple device assignment from IRQ bypass Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 54/62] KVM: VMX: WARN if VT-d Posted IRQs aren't possible when starting " Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 55/62] KVM: SVM: Use vcpu_idx, not vcpu_id, for GA log tag/metadata Sean Christopherson
2025-06-11 22:45 ` [PATCH v3 56/62] iommu/amd: WARN if KVM calls GA IRTE helpers without virtual APIC support Sean Christopherson
2025-06-11 22:46 ` [PATCH v3 57/62] KVM: SVM: Fold avic_set_pi_irte_mode() into its sole caller Sean Christopherson
2025-06-11 22:46 ` [PATCH v3 58/62] KVM: SVM: Don't check vCPU's blocking status when toggling AVIC on/off Sean Christopherson
2025-06-11 22:46 ` [PATCH v3 59/62] KVM: SVM: Consolidate IRTE update " Sean Christopherson
2025-06-11 22:46 ` [PATCH v3 60/62] iommu/amd: KVM: SVM: Allow KVM to control need for GA log interrupts Sean Christopherson
2025-06-11 22:46 ` [PATCH v3 61/62] KVM: SVM: Generate GA log IRQs only if the associated vCPUs is blocking Sean Christopherson
2025-06-11 22:46 ` [PATCH v3 62/62] KVM: x86: Rename kvm_set_msi_irq() => kvm_msi_to_lapic_irq() Sean Christopherson
2025-06-24 19:38 ` [PATCH v3 00/62] KVM: iommu: Overhaul device posted IRQs support Sean Christopherson
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