Hi Huw, thank you for your review. On 10/06/2019 10:27, Huw Davies wrote: > On Thu, May 30, 2019 at 03:15:13PM +0100, Vincenzo Frascino wrote: >> --- /dev/null >> +++ b/include/vdso/datapage.h >> @@ -0,0 +1,91 @@ >> +/* SPDX-License-Identifier: GPL-2.0 */ >> +#ifndef __VDSO_DATAPAGE_H >> +#define __VDSO_DATAPAGE_H >> + >> +#ifdef __KERNEL__ >> + >> +#ifndef __ASSEMBLY__ >> + >> +#include <linux/bits.h> >> +#include <linux/time.h> >> +#include <linux/types.h> >> + >> +#define VDSO_BASES (CLOCK_TAI + 1) >> +#define VDSO_HRES (BIT(CLOCK_REALTIME) | \ >> + BIT(CLOCK_MONOTONIC) | \ >> + BIT(CLOCK_BOOTTIME) | \ >> + BIT(CLOCK_TAI)) >> +#define VDSO_COARSE (BIT(CLOCK_REALTIME_COARSE) | \ >> + BIT(CLOCK_MONOTONIC_COARSE)) >> +#define VDSO_RAW (BIT(CLOCK_MONOTONIC_RAW)) >> + >> +#define CS_HRES_COARSE 0 >> +#define CS_RAW 1 > > CS_HRES_COARSE seems like a confusing name choice to me. What you > really mean is not RAW. > > How about CS_ADJ to indicate that its updated by adjtime? > CS_XTIME might be another option. > I divided the timers in 3 sets (HRES, COARSE, RAW), CS_HRES_COARSE refers to the first two and CS_RAW to the third. I will ad a comment to explain the logic in the next iteration. > Huw. > -- Regards, Vincenzo
