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| author | Marc Zyngier <marc.zyngier@arm.com> | 2014-02-18 14:29:03 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2014-03-03 01:15:22 +0000 |
| commit | a3c8bd31af260a17d626514f636849ee1cd1f63e (patch) | |
| tree | 55b4d57d442e32271bab31615b28e089e616e12e /arch/arm64/include/asm/kvm_mmu.h | |
| parent | 4d44923b17bff283c002ed961373848284aaff1b (diff) | |
| download | lwn-a3c8bd31af260a17d626514f636849ee1cd1f63e.tar.gz lwn-a3c8bd31af260a17d626514f636849ee1cd1f63e.zip | |
ARM: KVM: introduce kvm_p*d_addr_end
The use of p*d_addr_end with stage-2 translation is slightly dodgy,
as the IPA is 40bits, while all the p*d_addr_end helpers are
taking an unsigned long (arm64 is fine with that as unligned long
is 64bit).
The fix is to introduce 64bit clean versions of the same helpers,
and use them in the stage-2 page table code.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm64/include/asm/kvm_mmu.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_mmu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index 6eaf69b5e42c..00c0cc8b8045 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -121,6 +121,10 @@ static inline void kvm_set_s2pmd_writable(pmd_t *pmd) pmd_val(*pmd) |= PMD_S2_RDWR; } +#define kvm_pgd_addr_end(addr, end) pgd_addr_end(addr, end) +#define kvm_pud_addr_end(addr, end) pud_addr_end(addr, end) +#define kvm_pmd_addr_end(addr, end) pmd_addr_end(addr, end) + struct kvm; #define kvm_flush_dcache_to_poc(a,l) __flush_dcache_area((a), (l)) |