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UPSTREAM: KVM: arm64: Use ARM64_MIN_PARANGE_BITS as the minimum supported IPA

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Drop hard coded value for the minimum supported IPA range bits (i.e 32).
Instead use ARM64_MIN_PARANGE_BITS which improves the code readability.

Cc: Marc Zyngier <maz@kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1628744994-16623-3-git-send-email-anshuman.khandual@arm.com
(cherry picked from commit 9788c14060)
Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 198418208
Change-Id: I38b5e6e50dbb28b0984a99c3576815a8ce9d6a8a
This commit is contained in:
Anshuman Khandual
2021-08-12 10:39:51 +05:30
committed by Will Deacon
parent e5531ff340
commit a9a957565d
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kvm/reset.c
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@@ -364,7 +364,7 @@ int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
phys_shift = KVM_VM_TYPE_ARM_IPA_SIZE(type);
if (phys_shift) {
if (phys_shift > kvm_ipa_limit ||
phys_shift < 32)
phys_shift < ARM64_MIN_PARANGE_BITS)
return -EINVAL;
} else {
phys_shift = KVM_PHYS_SHIFT;