Syzbot CI

Subject	KVM: x86/xen: Fix Xen/GP/PREEMPT_RT issues with rwlock_t
Author	seanjc@google.com
Date	2026-05-29 16:50:55 +0000 UTC
Version
Cc	bigeasy@linutronix.de boqun@kernel.org dwmw2@infradead.org dwmw@amazon.co.uk kvm@vger.kernel.org linux-kernel@vger.kernel.org longman@redhat.com mingo@redhat.com paul@xen.org pbonzini@redhat.com peterz@infradead.org seanjc@google.com stollmc@amazon.com syzbot@syzkaller.appspotmail.com will@kernel.org

Subject

KVM: x86/xen: Fix Xen/GP/PREEMPT_RT issues with rwlock_t

Author

seanjc@google.com

Date

2026-05-29 16:50:55 +0000 UTC

Version

bigeasy@linutronix.de boqun@kernel.org dwmw2@infradead.org dwmw@amazon.co.uk kvm@vger.kernel.org linux-kernel@vger.kernel.org longman@redhat.com mingo@redhat.com paul@xen.org pbonzini@redhat.com peterz@infradead.org seanjc@google.com stollmc@amazon.com syzbot@syzkaller.appspotmail.com will@kernel.org

Name	Content [All]
[PATCH v2 01/20] locking/rt: Use raw_spin_lock_irqsave() in __rwbase_read_unlock()	[Body]
[PATCH v2 02/20] KVM: x86/xen: Use read_trylock() for GPC locks in hardirq/atomic paths	[Body]
[PATCH v2 03/20] KVM: x86/xen: Remove unnecessary irqsave from GPC lock usage in xen.c	[Body]
[PATCH v2 04/20] KVM: x86: Remove unnecessary irqsave from kvm_setup_guest_pvclock()	[Body]
[PATCH v2 05/20] KVM: Remove unnecessary IRQ disabling from GPC lock in pfncache.c	[Body]
[PATCH v2 06/20] KVM: x86/xen: Use guard() to grab kvm->srcu around gpc critical sections	[Body]
[PATCH v2 07/20] KVM: x86/xen: Extract delivery of event to vCPU into a separate helper	[Body]
[PATCH v2 08/20] KVM: x86/xen: Explicitly tag "shared info" page as never being dirty tracked	[Body]
[PATCH v2 09/20] KVM: x86/xen: Don't dirty track "vCPU info" page	[Body]
[PATCH v2 10/20] KVM: Move {g,p}fn <=> {g,h}pa conversion helpers to kvm_types.h	[Body]
[PATCH v2 11/20] KVM: Add CLASS() constructs to automagically handle lock+check of gpc	[Body]
[PATCH v2 12/20] KVM: x86/xen: Convert kvm_xen_shared_info_init() to gpc's CLASS() APIs	[Body]
[PATCH v2 13/20] KVM: x86/xen: Don't bother waiting on gpc->lock in SCHEDOP_poll	[Body]
[PATCH v2 14/20] KVM: x86/xen: Convert wait_pending_event() to gpc's CLASS() APIs	[Body]
[PATCH v2 15/20] KVM: x86/xen: Convert kvm_xen_set_evtchn_fast() to gpc's CLASS() APIs	[Body]
[PATCH v2 16/20] KVM: x86/xen: Convert xen_get_guest_pvclock() to gpc's CLASS() APIs	[Body]
[PATCH v2 17/20] KVM: x86/xen: Drop local "kick_vcpu" from __kvm_xen_set_evtchn_fast()	[Body]
[PATCH v2 18/20] KVM: x86/xen: Convert event injection to gpc's CLASS() APIs	[Body]
[PATCH v2 19/20] KVM: Add "extended" gpc CLASS() APIs for sometimes-atomic cases	[Body]
[PATCH v2 20/20] KVM: x86: Use gfn_to_pfn_cache for record_steal_time	[Body]

Name

Content [All]

[PATCH v2 01/20] locking/rt: Use raw_spin_lock_irqsave() in __rwbase_read_unlock()

[PATCH v2 02/20] KVM: x86/xen: Use read_trylock() for GPC locks in hardirq/atomic paths

[PATCH v2 03/20] KVM: x86/xen: Remove unnecessary irqsave from GPC lock usage in xen.c

[PATCH v2 04/20] KVM: x86: Remove unnecessary irqsave from kvm_setup_guest_pvclock()

[PATCH v2 05/20] KVM: Remove unnecessary IRQ disabling from GPC lock in pfncache.c

[PATCH v2 06/20] KVM: x86/xen: Use guard() to grab kvm->srcu around gpc critical sections

[PATCH v2 07/20] KVM: x86/xen: Extract delivery of event to vCPU into a separate helper

[PATCH v2 08/20] KVM: x86/xen: Explicitly tag "shared info" page as never being dirty tracked

[PATCH v2 09/20] KVM: x86/xen: Don't dirty track "vCPU info" page

[PATCH v2 10/20] KVM: Move {g,p}fn <=> {g,h}pa conversion helpers to kvm_types.h

[PATCH v2 11/20] KVM: Add CLASS() constructs to automagically handle lock+check of gpc

[PATCH v2 12/20] KVM: x86/xen: Convert kvm_xen_shared_info_init() to gpc's CLASS() APIs

[PATCH v2 13/20] KVM: x86/xen: Don't bother waiting on gpc->lock in SCHEDOP_poll

[PATCH v2 14/20] KVM: x86/xen: Convert wait_pending_event() to gpc's CLASS() APIs

[PATCH v2 15/20] KVM: x86/xen: Convert kvm_xen_set_evtchn_fast() to gpc's CLASS() APIs

[PATCH v2 16/20] KVM: x86/xen: Convert xen_get_guest_pvclock() to gpc's CLASS() APIs

[PATCH v2 17/20] KVM: x86/xen: Drop local "kick_vcpu" from __kvm_xen_set_evtchn_fast()

[PATCH v2 18/20] KVM: x86/xen: Convert event injection to gpc's CLASS() APIs

[PATCH v2 19/20] KVM: Add "extended" gpc CLASS() APIs for sometimes-atomic cases

[PATCH v2 20/20] KVM: x86: Use gfn_to_pfn_cache for record_steal_time

Session 2026-05-29

Passed

ID (for dev)	dae13b7b-7234-467e-a14b-ec9dd9bc2383
Status	finished
Triaged	OK [Log]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	d1568b1332b6b3b36b222c2868fc102727c12a34 [Config]		passed [Log]
[KASAN] Boot test: Base	d1568b1332b6b3b36b222c2868fc102727c12a34 [Config]		passed [Log]
[KASAN] Build Patched		d1568b1332b6b3b36b222c2868fc102727c12a34 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		d1568b1332b6b3b36b222c2868fc102727c12a34 [Config] [patched]	passed [Log]
[KASAN] Fuzz	d1568b1332b6b3b36b222c2868fc102727c12a34 [Config]	d1568b1332b6b3b36b222c2868fc102727c12a34 [Config] [patched]	passed [Log] [Artifacts]

Patches (20)

Series Summary

Sessions

Session 2026-05-29