linux-kernel - Re: [patch 6/13] signal/timer/event fds v6

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Message-Id: <1174031144.13341.249.camel@localhost.localdomain>
Date:	Fri, 16 Mar 2007 08:45:44 +0100
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Davide Libenzi <davidel@...ilserver.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [patch 6/13] signal/timer/event fds v6 - timerfd core ...

On Thu, 2007-03-15 at 17:22 -0700, Davide Libenzi wrote:
> +static void timerfd_setup(struct timerfd_ctx *ctx, int clockid, int flags,
> +			  const struct itimerspec *ktmr)
> +{
> +	enum hrtimer_mode htmode;
> +
> +	htmode = (flags & TFD_TIMER_ABSTIME) ? HRTIMER_MODE_ABS: HRTIMER_MODE_REL;
> +
> +	ctx->ticks = 0;
> +	ctx->texp = timespec_to_ktime(ktmr->it_value);

I know, I'm racking your nerves. texp is only used for setup. No need to
carry it in the ctx data structure. :)

> +	ctx->tintv = timespec_to_ktime(ktmr->it_interval);
> +	hrtimer_init(&ctx->tmr, clockid, htmode);
> +	ctx->tmr.expires = ctx->texp;
> +	ctx->tmr.function = timerfd_tmrproc;
> +	if (ctx->texp.tv64 != 0)
> +		hrtimer_start(&ctx->tmr, ctx->texp, htmode);
> +}

Thanks,

	tglx


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