From: Vincent Donnefort <vdonnefort@google.com>
To: maz@kernel.org, oupton@kernel.org, kvmarm@lists.linux.dev,
linux-arm-kernel@lists.infradead.org
Cc: joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com,
yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org,
kernel-team@android.com, fuad.tabba@linux.dev,
qperret@google.com, keirf@google.com,
Vincent Donnefort <vdonnefort@google.com>
Subject: [PATCH 13/20] KVM: arm64: Handle huge mappings in __pkvm_vcpu_in_poison_fault()
Date: Mon, 3 Aug 2026 11:08:57 +0100 [thread overview]
Message-ID: <20260803100904.3563942-14-vdonnefort@google.com> (raw)
In-Reply-To: <20260803100904.3563942-1-vdonnefort@google.com>
In preparation for supporting stage-2 huge mappings for protected VMs,
allow __pkvm_vcpu_in_poison_fault() to work with PMD_SIZE mappings.
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
index 47c5c6b4869e..2340706e41d3 100644
--- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
@@ -964,7 +964,7 @@ int __pkvm_vcpu_in_poison_fault(struct pkvm_hyp_vcpu *hyp_vcpu)
if (ret)
goto unlock;
- if (level != KVM_PGTABLE_LAST_LEVEL) {
+ if (level < KVM_PGTABLE_LAST_LEVEL - 1) {
ret = -EINVAL;
goto unlock;
}
--
2.55.0.508.g3f0d502094-goog
next prev parent reply other threads:[~2026-08-03 10:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-03 10:08 [PATCH 00/20] Huge mapping support for protected VMs Vincent Donnefort
2026-08-03 10:08 ` [PATCH 01/20] KVM: arm64: Prefault host stage-2 entries on block split Vincent Donnefort
2026-08-03 10:08 ` [PATCH 02/20] KVM: arm64: Propagate host stage-2 annotated " Vincent Donnefort
2026-08-03 10:08 ` [PATCH 03/20] KVM: arm64: Allow block-level stage-2 annotation Vincent Donnefort
2026-08-03 10:08 ` [PATCH 04/20] KVM: arm64: Use block-level annotations when setting up the host stage-2 Vincent Donnefort
2026-08-03 10:08 ` [PATCH 05/20] KVM: arm64: Make pKVM ownership selftest an HVC Vincent Donnefort
2026-08-03 10:08 ` [PATCH 06/20] KVM: arm64: Add a range to __pkvm_host_share/unshare_hyp() Vincent Donnefort
2026-08-03 10:08 ` [PATCH 07/20] KVM: arm64: Add a range to __pkvm_host_donate_guest() Vincent Donnefort
2026-08-03 10:08 ` [PATCH 08/20] KVM: arm64: Add a range to __pkvm_host_reclaim_page_guest() Vincent Donnefort
2026-08-03 10:08 ` [PATCH 09/20] KVM: arm64: Add a range to __pkvm_guest_share_host() Vincent Donnefort
2026-08-03 10:08 ` [PATCH 10/20] KVM: arm64: Add a range to __pkvm_guest_unshare_host() Vincent Donnefort
2026-08-03 10:08 ` [PATCH 11/20] KVM: arm64: Add a range to pKVM ownership selftest Vincent Donnefort
2026-08-03 10:08 ` [PATCH 12/20] KVM: arm64: Handle huge mappings in __pkvm_host_force_reclaim_page_guest() Vincent Donnefort
2026-08-03 10:08 ` Vincent Donnefort [this message]
2026-08-03 10:08 ` [PATCH 14/20] KVM: arm64: pkvm: Warn on guest stage-2 block collapse Vincent Donnefort
2026-08-03 10:08 ` [PATCH 15/20] KVM: arm64: Add pkvm_hyp_req infrastructure Vincent Donnefort
2026-08-03 10:09 ` [PATCH 16/20] KVM: arm64: Add __pkvm_host_split_guest HVC Vincent Donnefort
2026-08-03 10:09 ` [PATCH 17/20] KVM: arm64: Extend pKVM page ownership selftests to cover guest block split Vincent Donnefort
2026-08-03 10:09 ` [PATCH 18/20] KVM: arm64: Add PKVM_HYP_REQ_SPLIT Vincent Donnefort
2026-08-03 10:09 ` [PATCH 19/20] KVM: arm64: Raise PKVM_HYP_REQ_SPLIT on guest to host sharing Vincent Donnefort
2026-08-03 10:09 ` [PATCH 20/20] KVM: arm64: Stage-2 huge mappings for protected VMs Vincent Donnefort
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