From: Gautam Menghani <gautam@linux.ibm.com>
To: maddy@linux.ibm.com, npiggin@gmail.com, mpe@ellerman.id.au,
chleroy@kernel.org, ritesh.list@gmail.com, sshegde@linux.ibm.com,
amachhiw@linux.ibm.com, harshpb@linux.ibm.com
Cc: linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/3] Fixes for KVM HV around synchronization and initializations
Date: Thu, 1 Oct 2026 15:32:03 +0530 [thread overview]
Message-ID: <20261001100208.1271628-1-gautam@linux.ibm.com> (raw)
This series contains the fixes for synchronization and initializations
bugs in the KVM HV code.
Patch 1: Fix for concurrent calls to idr_alloc
Patch 2: Initialize the arch.irq_type correctly for cleanup to work
Patch 3: Add a srcu lock to fix "suspicious usage of
rcu_dereference_check" usage.
Gautam Menghani (3):
KVM: PPC: Book3S HV: Ensure that calls to idr_alloc are synchronized
KVM: PPC: Book3S HV: XICS: Update irq_type for cleanup to work
KVM: PPC: Book3s HV: Take SRCU read lock around kvmppc_h_page_init()
call
arch/powerpc/kvm/book3s_hv.c | 2 ++
arch/powerpc/kvm/book3s_hv_nested.c | 34 +++++++++--------------------
arch/powerpc/kvm/book3s_xive.c | 2 +-
3 files changed, 13 insertions(+), 25 deletions(-)
--
2.52.0
next reply other threads:[~2026-10-01 10:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-01 10:02 Gautam Menghani [this message]
2026-10-01 10:02 ` [PATCH 1/3] KVM: PPC: Book3S HV: Ensure that calls to idr_alloc are synchronized Gautam Menghani
2026-10-01 10:02 ` [PATCH 2/3] KVM: PPC: Book3S HV: XICS: Update irq_type for cleanup to work Gautam Menghani
2026-10-01 10:02 ` [PATCH 3/3] KVM: PPC: Book3s HV: Take SRCU read lock around kvmppc_h_page_init() call Gautam Menghani
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