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Fixes: f32fb32820b1 ("KVM: x86: Add hook for determining max NPT mapping level")

Message ID 20240801173955.1975034-1-ackerleytng@google.com
State New
Headers show
Series Fixes: f32fb32820b1 ("KVM: x86: Add hook for determining max NPT mapping level") | expand

Commit Message

Ackerley Tng Aug. 1, 2024, 5:39 p.m. UTC 
The `if (req_max_level)` test was meant ignore req_max_level if
PG_LEVEL_NONE was returned. Hence, this function should return
max_level instead of the ignored req_max_level.

Signed-off-by: Ackerley Tng <ackerleytng@google.com>
Change-Id: I403898aacc379ed98ba5caa41c9f1c52f277adc2
---
 arch/x86/kvm/mmu/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 901be9e420a4..e6b73774645d 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4335,7 +4335,7 @@  static u8 kvm_max_private_mapping_level(struct kvm *kvm, kvm_pfn_t pfn,
 	if (req_max_level)
 		max_level = min(max_level, req_max_level);
 
-	return req_max_level;
+	return max_level;
 }
 
 static int kvm_faultin_pfn_private(struct kvm_vcpu *vcpu,