On Thu, 15 Dec 2016 15:17:46 +0530 Kirti Wankhede <kwankh...@nvidia.com> wrote:
> On 12/15/2016 1:42 PM, Alex Williamson wrote: > > On Thu, 15 Dec 2016 13:15:34 +0530 > > Kirti Wankhede <kwankh...@nvidia.com> wrote: > > > >> On 12/15/2016 1:09 AM, Alex Williamson wrote: > >>> This sample driver was originally under Documentation/ and was moved > >>> to samples, but build support was never adjusted for the new location. > >>> > >>> Signed-off-by: Alex Williamson <alex.william...@redhat.com> > >>> --- > >>> samples/Kconfig | 7 +++++++ > >>> samples/Makefile | 3 ++- > >>> samples/vfio-mdev/Makefile | 14 +------------- > >>> 3 files changed, 10 insertions(+), 14 deletions(-) > >>> > >> > >> This change would bring this example driver in Kernel build system if > >> selected. I do have verified build and tested it on x86_64 platform. > >> Have you verified x86 and PPC/ARM build (which I think primarily could > >> use VFIO)? > > > > I have not, but I'm fairly confident that CONFIG_SAMPLES is not a > > typical user or distro config option, so I think we're at a low risk > > of breaking anyone. In general I test almost exclusively for x86_64 and > > rely on external auto builders to identify issues on other archs. > > Ok. I'm fine with this change. Also saw Eric's confirmation on ARM > aarch64 compilations. Thanks. > > Reviewed-by: Kirti Wankhede <kwankh...@nvidia.com> Thanks! Alex > >>> diff --git a/samples/Kconfig b/samples/Kconfig > >>> index a6d2a43..b124f62 100644 > >>> --- a/samples/Kconfig > >>> +++ b/samples/Kconfig > >>> @@ -105,4 +105,11 @@ config SAMPLE_BLACKFIN_GPTIMERS > >>> help > >>> Build samples of blackfin gptimers sample module. > >>> > >>> +config SAMPLE_VFIO_MDEV_MTTY > >>> + tristate "Build VFIO mtty example mediated device sample code -- > >>> loadable modules only" > >>> + depends on VFIO_MDEV_DEVICE && m > >>> + help > >>> + Build a virtual tty sample driver for use as a VFIO > >>> + mediated device > >>> + > >>> endif # SAMPLES > >>> diff --git a/samples/Makefile b/samples/Makefile > >>> index e17d66d..86a137e 100644 > >>> --- a/samples/Makefile > >>> +++ b/samples/Makefile > >>> @@ -2,4 +2,5 @@ > >>> > >>> obj-$(CONFIG_SAMPLES) += kobject/ kprobes/ trace_events/ livepatch/ \ > >>> hw_breakpoint/ kfifo/ kdb/ hidraw/ rpmsg/ seccomp/ \ > >>> - configfs/ connector/ v4l/ trace_printk/ blackfin/ > >>> + configfs/ connector/ v4l/ trace_printk/ blackfin/ \ > >>> + vfio-mdev/ > >>> diff --git a/samples/vfio-mdev/Makefile b/samples/vfio-mdev/Makefile > >>> index a932edb..cbbd868 100644 > >>> --- a/samples/vfio-mdev/Makefile > >>> +++ b/samples/vfio-mdev/Makefile > >>> @@ -1,13 +1 @@ > >>> -# > >>> -# Makefile for mtty.c file > >>> -# > >>> -KERNEL_DIR:=/lib/modules/$(shell uname -r)/build > >>> - > >>> -obj-m:=mtty.o > >>> - > >>> -modules clean modules_install: > >>> - $(MAKE) -C $(KERNEL_DIR) SUBDIRS=$(PWD) $@ > >>> - > >>> -default: modules > >>> - > >>> -module: modules > >>> +obj-$(CONFIG_SAMPLE_VFIO_MDEV_MTTY) += mtty.o > >>> > >