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| author | Vladimir Murzin <vladimir.murzin@arm.com> | 2015-11-16 14:28:18 +0300 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2015-12-18 13:15:12 +0300 |
| commit | 20475f784d29991b3b843c80c38a36f2ebb35ac4 (patch) | |
| tree | fce9116aeb5f04122e323a240daeb5a018feb360 /arch/arm/include/asm/kvm_mmu.h | |
| parent | 8420dcd37ef34040c8fc5a27bf66887b3b2faf80 (diff) | |
| download | linux-20475f784d29991b3b843c80c38a36f2ebb35ac4.tar.xz | |
arm64: KVM: Add support for 16-bit VMID
The ARMv8.1 architecture extension allows to choose between 8-bit and
16-bit of VMID, so use this capability for KVM.
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/include/asm/kvm_mmu.h')
| -rw-r--r-- | arch/arm/include/asm/kvm_mmu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 405aa1883307..9203c21b4673 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -279,6 +279,11 @@ static inline void __kvm_extend_hypmap(pgd_t *boot_hyp_pgd, pgd_t *merged_hyp_pgd, unsigned long hyp_idmap_start) { } +static inline unsigned int kvm_get_vmid_bits(void) +{ + return 8; +} + #endif /* !__ASSEMBLY__ */ #endif /* __ARM_KVM_MMU_H__ */ |