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 <fuad.tabba@linux.dev>,
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>,
Mark Rutland <mark.rutland@arm.com>,
Itaru Kitayama <itaru.kitayama@fujitsu.com>,
Wang Han <wanghan@linux.alibaba.com>,
Shuai Xue <xueshuai@linux.alibaba.com>,
"Lorenzo Stoakes (ARM)" <ljs@kernel.org>,
Wei-Lin Chang <weilin.chang@arm.com>
Subject: [PATCH v6 7/7] KVM: arm64: Refactor kvm_unmap_gfn_range() with common variables
Date: Tue, 15 Sep 2026 16:43:05 +0100 [thread overview]
Message-ID: <20260915154305.3852871-8-weilin.chang@arm.com> (raw)
In-Reply-To: <20260915154305.3852871-1-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 b8ba2d09ed96..3c3bc231eab7 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -2519,15 +2519,16 @@ 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:[~2026-09-15 15:43 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-15 15:42 [PATCH v6 0/7] KVM: arm64: nv: Implement nested stage-2 reverse map Wei-Lin Chang
2026-09-15 15:42 ` [PATCH v6 1/7] KVM: arm64: Use a variable for the canonical IPA in kvm_s2_fault_map() Wei-Lin Chang
2026-09-15 15:43 ` [PATCH v6 2/7] KVM: arm64: nv: Introduce guest stage-2 tracking structures Wei-Lin Chang
2026-09-15 15:43 ` [PATCH v6 3/7] KVM: arm64: nv: Track guest stage-2 mapping creation Wei-Lin Chang
2026-09-15 15:43 ` [PATCH v6 4/7] KVM: arm64: nv: Track guest stage-2 mapping removal Wei-Lin Chang
2026-09-15 15:43 ` [PATCH v6 5/7] KVM: arm64: nv: Avoid full shadow stage-2 unmap Wei-Lin Chang
2026-09-15 15:43 ` [PATCH v6 6/7] KVM: arm64: nv: Drop kvm_s2_mmu pointer from kvm_guest_s2_mapping Wei-Lin Chang
2026-09-15 15:43 ` Wei-Lin Chang [this message]
2026-09-15 21:49 ` [PATCH v6 0/7] KVM: arm64: nv: Implement nested stage-2 reverse map Itaru Kitayama
2026-09-15 23:22 ` Wei-Lin Chang
2026-09-15 23:27 ` Itaru Kitayama
2026-09-16 7:08 ` Marc Zyngier
2026-09-17 6:51 ` Itaru Kitayama
2026-09-17 7:56 ` Marc Zyngier
2026-09-17 21:46 ` Itaru Kitayama
2026-09-17 13:10 ` Wei-Lin Chang
2026-09-15 22:49 ` Oliver Upton
2026-09-16 4:58 ` Itaru Kitayama
2026-09-16 7:04 ` Marc Zyngier
2026-09-16 10:08 ` Wei-Lin Chang
2026-09-20 1:33 ` Shuai Xue
2026-09-24 20:41 ` Marc Zyngier
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