linux-kernel - RE: [PATCH v2 0/2] Drivers: hv: vmbus: make bus ids in sysfs persistent

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Date:   Fri, 16 Sep 2016 14:11:28 +0000
From:   KY Srinivasan <kys@...rosoft.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        Haiyang Zhang <haiyangz@...rosoft.com>
Subject: RE: [PATCH v2 0/2] Drivers: hv: vmbus: make bus ids in sysfs
 persistent



> -----Original Message-----
> From: Vitaly Kuznetsov [mailto:vkuznets@...hat.com]
> Sent: Friday, September 16, 2016 4:53 PM
> To: KY Srinivasan <kys@...rosoft.com>
> Cc: linux-kernel@...r.kernel.org; devel@...uxdriverproject.org; Haiyang
> Zhang <haiyangz@...rosoft.com>
> Subject: Re: [PATCH v2 0/2] Drivers: hv: vmbus: make bus ids in sysfs
> persistent
> 
> Vitaly Kuznetsov <vkuznets@...hat.com> writes:
> 
> > Bus ids for VMBus devices in /sys/bus/vmbus/devices/ are not guaranteed
> > to be persistent across reboot or kernel restart and this causes problems
> > for some tools. E.g. kexec tools use these ids to identify NIC on kdump.
> > Fix the issue by using if_instance from channel offer as the unique id
> > instead of an auto incremented counter.
> >
> > Changes since v1:
> > - Use if_instance instead of relid [K. Y. Srinivasan]
> >
> > Vitaly Kuznetsov (2):
> >   Drivers: hv: make VMBus bus ids persistent
> >   Drivers: hv: get rid of id in struct vmbus_channel
> >
> 
> K. Y.,
> 
> I don't see these patches in your submissions to Greg. Could you please
> pick them up (in case there are no issues with them in your opinion, of
> course).
> 
> Thanks!

Sorry about that; patches sent out.

K. Y
> 
> >  drivers/hv/channel_mgmt.c | 2 --
> >  drivers/hv/vmbus_drv.c    | 4 ++--
> >  include/linux/hyperv.h    | 3 ---
> >  3 files changed, 2 insertions(+), 7 deletions(-)
> 
> --
>   Vitaly