linux-kernel - Re: [PATCH RESEND 1/2] net: enable high resolution timer mode to timeout datagram sockets

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Message-ID: <20170822111433.GA102755@amazon.com>
Date:   Tue, 22 Aug 2017 11:14:34 +0000
From:   Vallish Vaidyeshwara <vallish@...zon.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
CC:     David Miller <davem@...emloft.net>, <shuah@...nel.org>,
        "Linux Kernel Network Developers" <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Eduardo Valentin <eduval@...zon.com>, <anchalag@...zon.com>
Subject: Re: [PATCH RESEND 1/2] net: enable high resolution timer mode to
 timeout datagram sockets

On Mon, Aug 21, 2017 at 01:10:34PM -0700, Cong Wang wrote:
> On Fri, Aug 18, 2017 at 11:44 AM, Vallish Vaidyeshwara
> <vallish@...zon.com> wrote:
> > -       *timeo_p = schedule_timeout(*timeo_p);
> > +       /* Wait using highres timer */
> > +       expires = ktime_add_ns(ktime_get(), jiffies_to_nsecs(*timeo_p));
> > +       pre_sched_time = jiffies;
> > +       if (schedule_hrtimeout(&expires, HRTIMER_MODE_ABS))
>

Hello Cong,

> Does this work with MAX_SCHEDULE_TIMEOUT too??
> 

Thanks for pointing out MAX_SCHEDULE_TIMEOUT. I have made minor change to
accommodate MAX_SCHEDULE_TIMEOUT and will send out next version of the patch
for review.

Thanks.
-Vallish