randconfig build error with next-20140502, in drivers/net/hyperv/netvsc_drv.c

[David Miller]

From: Haiyang Zhang <haiyangz at microsoft.com>
Date: Fri, 2 May 2014 14:42:06 +0000

> real_num_rx_queues is defined in "include/linux/netdevice.h":
> It requires CONFIG_SYSFS flag, which is enabled by default, but not set in 
> your config file.
> 
> Could you use default config and add hyperv drivers, then try again?

You must fix your driver to compile successfully under all possible
configuration combinations, not just the ones which are convenient
for you to support.