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| author | Punit Agrawal <punit.agrawal@arm.com> | 2018-12-11 18:10:40 +0100 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2018-12-18 16:14:48 +0100 |
| commit | 35a63966194dd994f44150f07398c62f8dca011e (patch) | |
| tree | a3ef4b9c273d1119db3b5862f1fab924d503df8a /arch/arm64/include/asm/kvm_mmu.h | |
| parent | KVM: arm64: Support handling access faults for PUD hugepages (diff) | |
| download | linux-35a63966194dd994f44150f07398c62f8dca011e.tar.xz linux-35a63966194dd994f44150f07398c62f8dca011e.zip | |
KVM: arm64: Update age handlers to support PUD hugepages
In preparation for creating larger hugepages at Stage 2, add support
to the age handling notifiers for PUD hugepages when encountered.
Provide trivial helpers for arm32 to allow sharing code.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
[ Replaced BUG() => WARN_ON(1) for arm32 PUD helpers ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/kvm_mmu.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_mmu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index 612032bbb428..9f941f70775c 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -273,6 +273,11 @@ static inline pud_t kvm_s2pud_mkyoung(pud_t pud) return pud_mkyoung(pud); } +static inline bool kvm_s2pud_young(pud_t pud) +{ + return pud_young(pud); +} + #define hyp_pte_table_empty(ptep) kvm_page_empty(ptep) #ifdef __PAGETABLE_PMD_FOLDED |