Re: [PATCH 06/12] time: Add infrastructure to cap clocksource reads to the max_cycles value

From: Ingo Molnar
Date: Sat Mar 07 2015 - 04:32:26 EST



* John Stultz <john.stultz@xxxxxxxxxx> wrote:

> When calculating the current delta since the last tick, we
> currently have no hard protections to prevent a multiplciation

Typo.

> overflow from ocurring.

Typo.

> This patch introduces infrastructure to allow a capp that

Typo ...

> +static inline cycle_t timekeeping_get_delta(struct tk_read_base *tkr)
> +{
> + /* calculate the delta since the last update_wall_time */
> + return clocksource_delta(tkr->read(tkr->clock), tkr->cycle_last,
> + tkr->mask);

Please don't do spurious col80 line breaks that don't improve the end
result.

Thanks,

Ingo
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