Re: [Xen-devel] [PATCH v3 20/38] arm/p2m: Add p2m_get_active_p2m macro

[Julien Grall <julien.grall@xxxxxxx>]

Hello Sergej,

On 16/08/2016 23:16, Sergej Proskurin wrote:
> This commit introduces the macro "p2m_get_active_p2m" returning the
> currently active (alt)p2m. The need for this macro will be shown in the
> following commits.
>
> Signed-off-by: Sergej Proskurin <proskurin@xxxxxxxxxxxxx>
Acked-by: Julien Grall <julien.grall@xxxxxxx>

Regards,

> ---
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Julien Grall <julien.grall@xxxxxxx>
> ---
>  xen/arch/arm/p2m.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
> index 63c0df0..12b3dcc 100644
> --- a/xen/arch/arm/p2m.c
> +++ b/xen/arch/arm/p2m.c
> @@ -29,6 +29,9 @@ static unsigned int __read_mostly p2m_root_level;
>
>  #define P2M_ROOT_PAGES    (1<<P2M_ROOT_ORDER)
>
> +#define p2m_get_active_p2m(v) unlikely(altp2m_active(v->domain)) ?  \
> +                              altp2m_get_altp2m(v) : 
> p2m_get_hostp2m(v->domain);
> +
>  #define p2m_switch_vttbr_and_get_flags(ovttbr, nvttbr, flags)       \
>  ({                                                                  \
>      if ( ovttbr != nvttbr )                                         \
--
Julien Grall

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