Message ID | 20161214193859.32293.43760.stgit@gimli.home (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
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.williamson@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)? Thanks, Kirti > 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 > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Thu, 15 Dec 2016 13:15:34 +0530 Kirti Wankhede <kwankhede@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.williamson@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. 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 > > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi, On 14/12/2016 20:39, 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.williamson@redhat.com> > --- > samples/Kconfig | 7 +++++++ > samples/Makefile | 3 ++- > samples/vfio-mdev/Makefile | 14 +------------- > 3 files changed, 10 insertions(+), 14 deletions(-) > > 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 Test-compiled on ARM aarch64 Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Best Regards Eric > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 12/15/2016 1:42 PM, Alex Williamson wrote: > On Thu, 15 Dec 2016 13:15:34 +0530 > Kirti Wankhede <kwankhede@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.williamson@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 <kwankhede@nvidia.com> Thanks, Kirti > 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 >>> > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Thu, 15 Dec 2016 10:36:02 +0100 Auger Eric <eric.auger@redhat.com> wrote: > Hi, > > On 14/12/2016 20:39, 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.williamson@redhat.com> > > --- > > samples/Kconfig | 7 +++++++ > > samples/Makefile | 3 ++- > > samples/vfio-mdev/Makefile | 14 +------------- > > 3 files changed, 10 insertions(+), 14 deletions(-) > > > > 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 > > Test-compiled on ARM aarch64 > > Reviewed-by: Eric Auger <eric.auger@redhat.com> > Tested-by: Eric Auger <eric.auger@redhat.com> Thanks for both! Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Thu, 15 Dec 2016 15:17:46 +0530 Kirti Wankhede <kwankhede@nvidia.com> wrote: > On 12/15/2016 1:42 PM, Alex Williamson wrote: > > On Thu, 15 Dec 2016 13:15:34 +0530 > > Kirti Wankhede <kwankhede@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.williamson@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 <kwankhede@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 > >>> > > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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
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.williamson@redhat.com> --- samples/Kconfig | 7 +++++++ samples/Makefile | 3 ++- samples/vfio-mdev/Makefile | 14 +------------- 3 files changed, 10 insertions(+), 14 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html