linux-kernel - Re: [PATCH RFC V2 3/6] time: keep track of the pending utc/tai threshold

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Wed, 30 May 2012 09:27:12 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	John Stultz <johnstul@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH RFC V2 3/6] time: keep track of the pending utc/tai
 threshold

On Tue, May 29, 2012 at 11:23:27PM -0700, John Stultz wrote:
> On 05/29/2012 11:19 PM, Richard Cochran wrote:
> >On Tue, May 29, 2012 at 10:56:18PM -0700, John Stultz wrote:
> >>On 05/29/2012 10:11 PM, Richard Cochran wrote:
> >>>On Tue, May 29, 2012 at 06:49:30PM -0700, John Stultz wrote:
> >>>>diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
> >>>>index 6e46cac..81c76a9 100644
> >>>>--- a/kernel/time/timekeeping.c
> >>>>+++ b/kernel/time/timekeeping.c
> >>>>@@ -962,6 +962,7 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift)
> >>>>  		timekeeper.xtime.tv_sec++;
> >>>>  		leap = second_overflow(timekeeper.xtime.tv_sec);
> >>>>  		timekeeper.xtime.tv_sec += leap;
> >>>>+		timekeeper.wall_to_monotonic.tv_sec -= leap;
> >>>Don't you need this in update_wall_time() too?
> >>Yep. Good point.
> >Okay, so I can confirm that this fixes the CLOCK_MONOTONIC timer issue
> >during a leap second.
> Thanks! Is it ok if I add your Tested-by:  to the patch?

Yes, by all means, thanks.

Richard
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/