Re: [patch V2 05/17] MIPS: vdso: Compile high resolution parts conditionally

[Vincenzo Frascino]

On 2/7/20 12:38 PM, Thomas Gleixner wrote:
> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> 
> If neither the R4K nor the GIC timer is enabled in the kernel configuration
> then let the core VDSO code drop the high resolution parts at compile time.
> 
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>

Reviewed-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>

> ---
>  arch/mips/include/asm/vdso/gettimeofday.h |    7 +++++++
>  1 file changed, 7 insertions(+)
> 
> --- a/arch/mips/include/asm/vdso/gettimeofday.h
> +++ b/arch/mips/include/asm/vdso/gettimeofday.h
> @@ -199,6 +199,13 @@ static __always_inline u64 __arch_get_hw
>  	return cycle_now;
>  }
>  
> +static inline bool mips_vdso_hres_capable(void)
> +{
> +	return IS_ENABLED(CONFIG_CSRC_R4K) ||
> +	       IS_ENABLED(CONFIG_CLKSRC_MIPS_GIC);
> +}
> +#define __arch_vdso_hres_capable mips_vdso_hres_capable
> +
>  static __always_inline const struct vdso_data *__arch_get_vdso_data(void)
>  {
>  	return get_vdso_data();
> 

-- 
Regards,
Vincenzo