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author | Zenghui Yu <yuzenghui@huawei.com> | 2019-02-14 01:45:46 +0000 |
---|---|---|
committer | Christoffer Dall <christoffer.dall@arm.com> | 2019-02-19 14:08:36 +0100 |
commit | 32296b9048b790cd5302714c803551cc367a178c (patch) | |
tree | d8394b67dc4edfe795d8bc720f84b499b18b0c4a | |
parent | bfc871bad87c8c07138ffdfebfcc70f4e5552d8f (diff) | |
download | linux-kvm-arm64/next-alt.tar.gz |
KVM: arm64: Fix comment for KVM_PHYS_SHIFTkvm-arm64/next-alt
Since Suzuki K Poulose's work on Dynamic IPA support, KVM_PHYS_SHIFT will
be used only when machine_type's bits[7:0] equal to 0 (by default). Thus
the outdated comment should be fixed.
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
-rw-r--r-- | arch/arm64/include/asm/kvm_mmu.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index c423c8c4fc3982..b0742a16c6c9e4 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -138,7 +138,8 @@ static inline unsigned long __kern_hyp_va(unsigned long v) }) /* - * We currently only support a 40bit IPA. + * We currently support using a VM-specified IPA size. For backward + * compatibility, the default IPA size is fixed to 40bits. */ #define KVM_PHYS_SHIFT (40) |