lkml.org 
[lkml]   [2016]   [Apr]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2 08/17] kvm-arm: arm: Introduce hyp page table empty checks
From
Date
On 14/04/16 14:20, Suzuki K Poulose wrote:
> Introduce hyp_pxx_table_empty helpers for checking whether
> a given table entry is empty. This will be used explicitly
> once we switch to explicit routines for hyp page table walk.
>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> ---
> arch/arm/include/asm/kvm_mmu.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
> index 7d207b4..901c1ea 100644
> --- a/arch/arm/include/asm/kvm_mmu.h
> +++ b/arch/arm/include/asm/kvm_mmu.h
> @@ -162,6 +162,10 @@ static inline bool kvm_page_empty(void *ptr)
> #define kvm_pmd_table_empty(kvm, pmdp) kvm_page_empty(pmdp)
> #define kvm_pud_table_empty(kvm, pudp) (0)
>
> +#define hyp_pte_table_empty(ptep) kvm_page_empty(ptep)
> +#define hyp_pmd_table_empty(pmdp) kvm_page_empty(pmdp)
> +#define hyp_pud_table_empty(pudp) (0)
> +
> static inline void *kvm_get_hwpgd(struct kvm *kvm)
> {
> return kvm->arch.pgd;
>

Same remarks as the previous patch, but nonetheless:

Acked-by: Marc Zyngier <marc.zyngier@arm.com>

M.
--
Jazz is not dead. It just smells funny...

\
 
 \ /
  Last update: 2016-04-14 16:41    [W:0.127 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site