linux-kernel - randconfig build error with next-20150318, in drivers/vfio/virqfd.c

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Date:	Wed, 18 Mar 2015 16:03:41 -0700
From:	Jim Davis <jim.epost@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next <linux-next@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	alex.williamson@...hat.com, kvm@...r.kernel.org
Subject: randconfig build error with next-20150318, in drivers/vfio/virqfd.c

This time, in plain text!

Building with the attached random configuration file,

drivers/vfio/virqfd.c: In function 'vfio_virqfd_enable':
drivers/vfio/virqfd.c:132:2: error: implicit declaration of function
'eventfd_ctx_fileget' [-Werror=implicit-function-declaration]
  ctx = eventfd_ctx_fileget(irqfd.file);
  ^
drivers/vfio/virqfd.c:132:6: warning: assignment makes pointer from
integer without a cast
  ctx = eventfd_ctx_fileget(irqfd.file);
      ^
  CC      drivers/tty/serial/serial_core.o
cc1: some warnings being treated as errors
scripts/Makefile.build:258: recipe for target 'drivers/vfio/virqfd.o' failed

View attachment "buildlog-1426713029.txt" of type "text/plain" (30237 bytes)