From: David Vrabel <david.vrabel@citrix.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH 2/3] xen: add correct 500 ms offset when setting Xen wallclock
Date: Mon, 15 Oct 2012 13:21:36 +0100 [thread overview]
Message-ID: <507BFFD0.2010707@citrix.com> (raw)
In-Reply-To: <1350293121.18058.10.camel@zakaz.uk.xensource.com>
On 15/10/12 10:25, Ian Campbell wrote:
> On Fri, 2012-10-12 at 13:57 +0100, David Vrabel wrote:
>> From: David Vrabel <david.vrabel@citrix.com>
>>
>> update_persistent_wallclock() (and hence xet_set_wallclock()) is
>> called 500 ms after the second.
>
> The comment in sync_cmos_clock says it is called 500ms before the next
> second.
This is the same thing, right?
> I only mention it to double check that the right semantics for
> set_wallclock are being implemented, i.e. that we are compensating in
> the right direction.
I'll add some debug code to make sure.
David
next prev parent reply other threads:[~2012-10-15 12:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-12 12:57 [PATCH 0/3] xen: fix various wallclock problems David Vrabel
2012-10-12 12:57 ` [PATCH 1/3] xen: sync the CMOS RTC as well as the Xen wallclock David Vrabel
2012-10-12 14:57 ` Konrad Rzeszutek Wilk
2012-10-12 16:13 ` David Vrabel
2012-10-12 12:57 ` [PATCH 2/3] xen: add correct 500 ms offset when setting " David Vrabel
2012-10-15 9:25 ` Ian Campbell
2012-10-15 12:21 ` David Vrabel [this message]
2012-10-15 12:27 ` Ian Campbell
2012-10-12 12:57 ` [PATCH 3/3] xen/privcmd: add IOCTL_PRIVCMD_SYNC_WALLCLOCK to sync Xen's wallclock David Vrabel
2012-10-12 13:41 ` Konrad Rzeszutek Wilk
2012-10-12 14:02 ` David Vrabel
2012-10-12 14:29 ` Konrad Rzeszutek Wilk
2012-10-12 14:59 ` David Vrabel
2012-10-12 15:02 ` Konrad Rzeszutek Wilk
2012-10-12 16:14 ` David Vrabel
2012-10-12 16:16 ` Konrad Rzeszutek Wilk
2012-10-12 16:30 ` David Vrabel
2012-10-12 16:25 ` [PATCH 0/3] xen: fix various wallclock problems David Vrabel
2012-10-15 9:26 ` Ian Campbell
2012-10-15 12:23 ` David Vrabel
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