netdev - RE: [patch net 2/2] mlxsw: spectrum: Don't sleep during ndo_get_phys_port

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Message-ID: <CO2PR11MB008875CDB003CB79FF1FBCC0975F0@CO2PR11MB0088.namprd11.prod.outlook.com>
Date:	Thu, 9 Jun 2016 08:50:16 +0000
From:	Yuval Mintz <Yuval.Mintz@...gic.com>
To:	Jiri Pirko <jiri@...nulli.us>, netdev <netdev@...r.kernel.org>
CC:	David Miller <davem@...emloft.net>,
	"idosch@...lanox.com" <idosch@...lanox.com>,
	"eladr@...lanox.com" <eladr@...lanox.com>,
	"yotamg@...lanox.com" <yotamg@...lanox.com>,
	"nogahf@...lanox.com" <nogahf@...lanox.com>,
	"ogerlitz@...lanox.com" <ogerlitz@...lanox.com>
Subject: RE: [patch net 2/2] mlxsw: spectrum: Don't sleep during
 ndo_get_phys_port_name()

> When rtnl_fill_ifinfo() is called for a certain netdevice it queries its various
> parameters such as switch id and physical port name. The function might get
> called in an atomic context, which means the underlying driver must not sleep

Is Documentation/networking/netdevices.txt a deprecated file?
If not, perhaps we should update such information there; Otherwise its trial
and  error for everyone.