netdev - RE: [PATCH 7/7] fjes: Add ethtool support

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Date:	Thu, 21 May 2015 03:30:18 +0000
From:	"Izumi, Taku" <izumi.taku@...fujitsu.com>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
CC:	"platform-driver-x86@...r.kernel.org" 
	<platform-driver-x86@...r.kernel.org>,
	"rkhan@...hat.com" <rkhan@...hat.com>,
	"alexander.h.duyck@...hat.com" <alexander.h.duyck@...hat.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: RE: [PATCH 7/7] fjes: Add ethtool support

Hi Alen,

  Thank you for your comment.

> 1. This driver probably belongs somewhere in drivers/net rather
> than platform-x86

  I was devided between drivers/net and platform-x86...

> 2. It would be helpful to undertand what the use case is. You describe it
> as

    I know. Unfortunately currently there's no good HP to illustrate 
    Extended Socket.

> 
> "This patchsets add support for FUJITSU Extended Socket network
>  device. Extended Socket network device is a shared memory
>  based high-speed network interface between Extended Partitions of
>  PRIMEQUEST 2000 E2 series."
> 
> So would this interface be used to interconnect multiple instances of
> Linxu (or other operating systems) physically partitioned running on the
> PrimeQuest server ?

   This interface is used to interconnect multiple instances of Linux 
   (currently only Linux) LOGICALLY (called Extended Partiton) partitioned
   running PRIMEQUEST.

> Am I looking at the right information about the system here
> 
> http://www.researchgate.net/publication/228905336_Partitioning_Technologies_and_Dynamic_Reconfiguration_of_Mission-C
> ritical_IA_Server_PRIMEQUEST/links/000477b10cf2ed98fb432c1b.pdf

   That document is for PRIMEQUEST 400/500 series, so it's a bit old though basic conception is not so far.

   The following manual is useful to understand Extend Partiton and
   Extended Socket. 

     http://globalsp.ts.fujitsu.com/dmsp/Publications/public/CA92344-0537.pdf
      3.2.1 Extended Partitioning
      3.2.2 Extended Socket

  Sincerely,
  Taku Izumi
     


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