linux-kernel - RE: [PATCH 1/1] hv: Added new hv

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Message-ID: <8AFC7968D54FB448A30D8F38F259C5621AFEC88E@TK5EX14MBXC114.redmond.corp.microsoft.com>
Date:	Thu, 29 Apr 2010 00:20:51 +0000
From:	Hank Janssen <hjanssen@...rosoft.com>
To:	Greg KH <greg@...ah.com>, Ky Srinivasan <ksrinivasan@...ell.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	"Haiyang Zhang" <haiyangz@...rosoft.com>, Greg KH <gregkh@...e.de>
Subject: RE: [PATCH 1/1] hv: Added new hv_utils driver to hyper-v


> And Greg spoke these words......
>>On Wed, Apr 28, 2010 at 10:11:02PM +0000, Hank Janssen wrote:
>>
>> Addition of new driver for Hyper-V called hv_utils.
>> This driver is intended to support things like KVP, Timesync, Heartbeat etc.
>
>Does this duplicate functionality in KY's clocksource driver?  Or is it
>a separate thing?

This is a separate thing, timesync registers itself with the vmbus so it receives
a time sync message from Hyper-V on cold boot and restore from saved state. 
With this we set the clock on the current VM. (Human readable time basically)

What KY submitted it a driver that connects to the Hyper-V stable timesource.
There are no messages from Hyper-V for that, you have to read that directly 
from the hypervisor page.

>> Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
>> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
>> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
>
>I did not sign off on this, I've never even seen this patch before, why
>would you add my name?  That is not ok at all!

I got ahead of myself. Just trying to make your workload easier :)

I will resend right away with the line removed.

Hank.

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