From: Wei-Lin Chang <weilin.chang@arm.com>
To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
linux-kernel@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>, Oliver Upton <oupton@kernel.org>,
Fuad Tabba <tabba@google.com>, Joey Gouly <joey.gouly@arm.com>,
Steffen Eiden <seiden@linux.ibm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Lorenzo Stoakes <ljs@kernel.org>,
Itaru Kitayama <itaru.kitayama@fujitsu.com>,
Wei-Lin Chang <weilin.chang@arm.com>
Subject: [PATCH v5 6/6] KVM: arm64: Refactor kvm_unmap_gfn_range() with common variables
Date: Mon, 10 Aug 2026 21:50:38 +0100 [thread overview]
Message-ID: <20260810205038.118843-7-weilin.chang@arm.com> (raw)
In-Reply-To: <20260810205038.118843-1-weilin.chang@arm.com>
__unmap_stage2_range() and kvm_nested_unmap_cipa_range() are using the
same arguments. Clean this up by using local variables.
Signed-off-by: Wei-Lin Chang <weilin.chang@arm.com>
---
arch/arm64/kvm/mmu.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 241f020910d8..9d3ea44a894b 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -2512,15 +2512,16 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu)
bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range)
{
+ gpa_t gpa = range->start << PAGE_SHIFT;
+ size_t size = (range->end - range->start) << PAGE_SHIFT;
+ bool may_block = range->may_block;
+
if (!kvm->arch.mmu.pgt || kvm_vm_is_protected(kvm))
return false;
- __unmap_stage2_range(&kvm->arch.mmu, range->start << PAGE_SHIFT,
- (range->end - range->start) << PAGE_SHIFT,
- range->may_block);
- kvm_nested_unmap_cipa_range(kvm, range->start << PAGE_SHIFT,
- (range->end - range->start) << PAGE_SHIFT,
- range->may_block);
+ __unmap_stage2_range(&kvm->arch.mmu, gpa, size, may_block);
+ kvm_nested_unmap_cipa_range(kvm, gpa, size, may_block);
+
return false;
}
--
2.43.0
next prev parent reply other threads:[~2026-08-10 20:52 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-10 20:50 [PATCH v5 0/6] KVM: arm64: nv: Implement nested stage-2 reverse map (new data structure) Wei-Lin Chang
2026-08-10 20:50 ` [PATCH v5 1/6] KVM: arm64: Use a variable for the canonical IPA in kvm_s2_fault_map() Wei-Lin Chang
2026-08-10 20:50 ` [PATCH v5 2/6] KVM: arm64: nv: Introduce guest stage-2 tracking structures Wei-Lin Chang
2026-08-14 1:04 ` Itaru Kitayama
2026-08-14 10:42 ` Wei-Lin Chang
2026-08-16 22:01 ` Itaru Kitayama
2026-09-06 15:47 ` Marc Zyngier
2026-09-06 19:56 ` Wei-Lin Chang
2026-09-11 15:27 ` Marc Zyngier
2026-08-10 20:50 ` [PATCH v5 3/6] KVM: arm64: nv: Track guest stage-2 mapping creation Wei-Lin Chang
2026-08-10 20:50 ` [PATCH v5 4/6] KVM: arm64: nv: Track guest stage-2 mapping removal Wei-Lin Chang
2026-08-10 20:50 ` [PATCH v5 5/6] KVM: arm64: nv: Avoid full shadow stage-2 unmap Wei-Lin Chang
2026-08-10 20:50 ` Wei-Lin Chang [this message]
2026-08-12 2:12 ` [PATCH v5 0/6] KVM: arm64: nv: Implement nested stage-2 reverse map (new data structure) Itaru Kitayama
2026-09-02 16:35 ` Wang Han
2026-09-03 7:43 ` Marc Zyngier
2026-09-03 13:28 ` Wei-Lin Chang
2026-09-04 7:01 ` Shuai Xue
2026-09-04 7:54 ` Marc Zyngier
2026-09-05 15:35 ` Shuai Xue
2026-09-06 10:42 ` Marc Zyngier
2026-09-06 13:02 ` Shuai Xue
2026-09-08 15:44 ` Shuai Xue
2026-09-11 5:47 ` Itaru Kitayama
2026-09-04 7:49 ` Marc Zyngier
2026-09-04 11:37 ` Wei-Lin Chang
2026-09-04 22:42 ` Wei-Lin Chang
2026-09-05 13:48 ` Marc Zyngier
2026-09-05 15:49 ` Shuai Xue
2026-09-05 23:48 ` Wei-Lin Chang
2026-09-06 2:16 ` Shuai Xue
2026-09-11 13:16 ` Wei-Lin Chang
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