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SubjectRe: [patch V2 05/17] MIPS: vdso: Compile high resolution parts conditionally
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On 2/7/20 12:38 PM, Thomas Gleixner wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
>
> 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@linutronix.de>
>

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

> ---
> 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

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