linux-kernel - RE: [PATCH V3 00/14] drivers: hv: kvp

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Date:	Fri, 17 Aug 2012 01:12:18 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	KY Srinivasan <kys@...rosoft.com>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"ben@...adent.org.uk" <ben@...adent.org.uk>
Subject: RE: [PATCH V3 00/14] drivers: hv: kvp 



> -----Original Message-----
> From: K. Y. Srinivasan [mailto:kys@...rosoft.com]
> Sent: Thursday, August 16, 2012 8:45 PM
> To: gregkh@...uxfoundation.org; linux-kernel@...r.kernel.org;
> devel@...uxdriverproject.org; virtualization@...ts.osdl.org; olaf@...fle.de;
> apw@...onical.com; ben@...adent.org.uk
> Cc: KY Srinivasan
> Subject: [PATCH V3 00/14] drivers: hv: kvp
> 
> This patch set expands the KVP (Key Value Pair) functionality to
> implement the mechanism to GET/SET IP addresses in the guest. This
> functionality is used in Windows Server 2012 to implement VM
> replication functionality. The way IP configuration information
> is managed is distro specific. Based on the feedback I have gotten
> from Olaf, Greg, Steve, Ben and Mairus, I have chosen to seperate
> distro specific code from this patch-set. Most of the GET operation
> can be implemented in a way that is completely distro independent and
> I have implemented that as such and is included in this patch-set.
> Some of the attributes that can only be fetched in a distro
> dependent way as well the mechanism for configuring an interface
> (the SET operation) that is clearly distro specific is to be
> implemented via external scripts that will be invoked via the KVP
> code. We define here the interface to these scripts.
> 
> Adding support for IP injection resulted in some changes to the
> protocol between the user level daemon and the kernel driver.
> These changes have been implemented in way that would retain
> compatibility with older daemons. I would like to thank Olaf and
> Greg for pointing out the compatibility issue.
> 
> This version of the patch set addresses all of the comments that I
> have received to date from Olaf, Ben and others. Specifically, I have
> cleanedup all of the string manipulation code. Furthermore, I have also
> simplified the format of the interface configuration file that is
> generated by the KVP daemon and gotten rid of some constant strings that
> may not be relevant on all distros. I would like to thank Olaf and Ben
> for their detailed review.
> 
> Following are the changes from V2 of this patch set:
> 
> 1. Addressed the indentation issue Greg noted in the patch:
> 0001-Drivers-hv-kvp-Support-the-new-IP-injection-messages.patch
> 
> 2. Cleaned up the Reviewed-byi line  based on input from Ben and Greg.
> 
> 3. Since Ben had an identical patch for properly closing the open
> streams, I have not included that patch in this series.
> 
> 4. Greg applied the first 3 patches of the V2 patch set. This version
> has the remaining patches.

Greg,

Please drop this set. In my haste to send out the patches, I have sent out the wrong patches. I am going to send out the correct set in a minute.

Regards,

K. Y


> 
> 
> K. Y. Srinivasan (14):
>   Drivers: hv: kvp: Support the new IP injection messages
>   Tools: hv: Prepare to expand  kvp_get_ip_address() functionality
>   Tools: hv: Further refactor kvp_get_ip_address()
>   Tools: hv: Gather address family information
>   Tools: hv: Gather subnet information
>   Tools: hv: Represent the ipv6 mask using CIDR notation
>   Tools: hv: Gather ipv[4,6] gateway information
>   Tools: hv: Gather DNS information
>   Tools: hv: Gather DHCP information
>   Tools: hv: Implement the KVP verb - KVP_OP_SET_IP_INFO
>   Tools: hv: Rename the function kvp_get_ip_address()
>   Tools: hv: Implement the KVP verb - KVP_OP_GET_IP_INFO
>   Tools: hv: Get rid of some unused variables
>   Tools: hv: Correctly type string variables
> 
>  drivers/hv/hv_kvp.c      |  141 +++++++-
>  include/linux/hyperv.h   |    2 +
>  tools/hv/hv_kvp_daemon.c |  866
> ++++++++++++++++++++++++++++++++++++++++++----
>  3 files changed, 942 insertions(+), 67 deletions(-)
> 
> --
> 1.7.4.1
> 
> 
> 



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