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Re: [Xen-devel] [PATCH 4/6] x86/domain: remove the 'oos_off' flag



At 17:06 +0100 on 23 Jul (1563901567), Paul Durrant wrote:
> The flag is not needed since the domain 'createflags' can now be tested
> directly.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

Acked-by: Tim Deegan <tim@xxxxxxx>

though some of this change seems to have got into patch 3, maybe they
were reordered at some point?

Cheers,

Tim.


> ---
> Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Cc: Wei Liu <wl@xxxxxxx>
> Cc: "Roger Pau Monné" <roger.pau@xxxxxxxxxx>
> ---
>  xen/arch/x86/mm/shadow/common.c | 3 +--
>  xen/include/asm-x86/domain.h    | 1 -
>  2 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/xen/arch/x86/mm/shadow/common.c b/xen/arch/x86/mm/shadow/common.c
> index 320ea0db21..2c7fafa4fb 100644
> --- a/xen/arch/x86/mm/shadow/common.c
> +++ b/xen/arch/x86/mm/shadow/common.c
> @@ -62,7 +62,6 @@ int shadow_domain_init(struct domain *d)
>  
>  #if (SHADOW_OPTIMIZATIONS & SHOPT_OUT_OF_SYNC)
>      d->arch.paging.shadow.oos_active = 0;
> -    d->arch.paging.shadow.oos_off = d->createflags & XEN_DOMCTL_CDF_oos_off;
>  #endif
>      d->arch.paging.shadow.pagetable_dying_op = 0;
>  
> @@ -2523,7 +2522,7 @@ static void sh_update_paging_modes(struct vcpu *v)
>  #if (SHADOW_OPTIMIZATIONS & SHOPT_OUT_OF_SYNC)
>      /* We need to check that all the vcpus have paging enabled to
>       * unsync PTs. */
> -    if ( is_hvm_domain(d) && !d->arch.paging.shadow.oos_off )
> +    if ( is_hvm_domain(d) && !(d->createflags & XEN_DOMCTL_CDF_oos_off) )
>      {
>          int pe = 1;
>          struct vcpu *vptr;
> diff --git a/xen/include/asm-x86/domain.h b/xen/include/asm-x86/domain.h
> index 933b85901f..5f9899469c 100644
> --- a/xen/include/asm-x86/domain.h
> +++ b/xen/include/asm-x86/domain.h
> @@ -115,7 +115,6 @@ struct shadow_domain {
>  
>      /* OOS */
>      bool_t oos_active;
> -    bool_t oos_off;
>  
>      /* Has this domain ever used HVMOP_pagetable_dying? */
>      bool_t pagetable_dying_op;
> -- 
> 2.20.1.2.gb21ebb671
> 

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