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| author | Zenghui Yu <yuzenghui@huawei.com> | 2019-02-14 01:45:46 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-02-19 21:05:55 +0000 |
| commit | 1b44471b555930cd8d03ae9be86bd2c32fbf0a92 (patch) | |
| tree | d8394b67dc4edfe795d8bc720f84b499b18b0c4a /arch/arm64 | |
| parent | a37f0c3c46d2d5f4e94bb1e80e3f6f1f8fd89b40 (diff) | |
| download | linux-0-day-1b44471b555930cd8d03ae9be86bd2c32fbf0a92.tar.gz linux-0-day-1b44471b555930cd8d03ae9be86bd2c32fbf0a92.tar.xz | |
KVM: arm64: Fix comment for KVM_PHYS_SHIFT
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the outdated comment should be fixed.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>
Diffstat (limited to 'arch/arm64')
| -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 c423c8c4fc398..b0742a16c6c9e 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) |