linux-kernel - RE: [PATCH 0/1] Use of /sys/bus/pci/devices/…/index for non-SMBIOS platforms

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Message-ID: <BYAPR19MB4711D0F78D778178ADCACC64814F9@BYAPR19MB4711.namprd19.prod.outlook.com>
Date:   Tue, 13 Apr 2021 18:22:22 +0000
From:   "K, Narendra" <Narendra.K@...l.com>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>
CC:     Viktor Mihajlovski <mihajlov@...ux.ibm.com>,
        Stefan Raspl <raspl@...ux.ibm.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        "linux-netdev@...r.kernel.org" <linux-netdev@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
        "K, Narendra" <Narendra.K@...l.com>
Subject: RE: [PATCH 0/1] Use of /sys/bus/pci/devices/…/index for non-SMBIOS platforms

> -----Original Message-----
> From: Niklas Schnelle <schnelle@...ux.ibm.com>
> Sent: Monday, April 12, 2021 7:29 PM
> To: K, Narendra
> Cc: Viktor Mihajlovski; Stefan Raspl; Peter Oberparleiter; linux-
> netdev@...r.kernel.org; linux-pci@...r.kernel.org; linux-
> kernel@...r.kernel.org; linux-s390@...r.kernel.org
> Subject: [PATCH 0/1] Use of /sys/bus/pci/devices/…/index for non-SMBIOS
> platforms
> 
> 
> [EXTERNAL EMAIL]
> 
> Hi Narendra, Hi All,
> 
> According to Documentation/ABI/testing/sysfs-bus-pci you are responsible for
> the index device attribute that is used by systemd to create network interface
> names.
> 
> Now we would like to reuse this attribute for firmware provided PCI device
> index numbers on the s390 architecture which doesn't have SMBIOS/DMI nor
> ACPI. All code changes are within our architecture specific code but I'd like to
> get some Acks for this reuse. I've sent an RFC version of this patch on 15th of
> March with the subject:
> 
>    s390/pci: expose a PCI device's UID as its index
> 
> but got no response. 

Hi Niklas,

Sorry, I missed responding to the RFC sent earlier.  

> Would it be okay to re-use this attribute for essentially
> the same purpose but with index numbers provided by a different platform
> mechanism? 

I will go through the request above and provide comments in two or three days.
 
With regards,
Narendra K