On Thu, Apr 02, 2020 at 10:23:59PM +0800, Jason Wang wrote: > > On 2020/4/2 下午10:03, Michael S. Tsirkin wrote: > > On Thu, Apr 02, 2020 at 11:22:57AM +0800, Jason Wang wrote: > > > On 2020/4/2 上午12:08, Michael S. Tsirkin wrote: > > > > On Wed, Apr 01, 2020 at 10:29:32PM +0800, Jason Wang wrote: > > > > > >From 9b3a5d23b8bf6b0a11e65e688335d782f8e6aa5c Mon Sep 17 00:00:00 2001 > > > > > From: Jason Wang <jasowang@xxxxxxxxxx> > > > > > Date: Wed, 1 Apr 2020 22:17:27 +0800 > > > > > Subject: [PATCH] vhost: let CONFIG_VHOST to be selected by drivers > > > > > > > > > > The defconfig on some archs enable vhost_net or vhost_vsock by > > > > > default. So instead of adding CONFIG_VHOST=m to all of those files, > > > > > simply letting CONFIG_VHOST to be selected by all of the vhost > > > > > drivers. This fixes the build on the archs with CONFIG_VHOST_NET=m in > > > > > their defconfig. > > > > > > > > > > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> > > > > > --- > > > > > drivers/vhost/Kconfig | 15 +++++++++++---- > > > > > 1 file changed, 11 insertions(+), 4 deletions(-) > > > > > > > > > > diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig > > > > > index 2523a1d4290a..362b832f5338 100644 > > > > > --- a/drivers/vhost/Kconfig > > > > > +++ b/drivers/vhost/Kconfig > > > > > @@ -11,19 +11,23 @@ config VHOST_RING > > > > > This option is selected by any driver which needs to access > > > > > the host side of a virtio ring. > > > > > -menuconfig VHOST > > > > > - tristate "Host kernel accelerator for virtio (VHOST)" > > > > > - depends on EVENTFD > > > > > +config VHOST > > > > > + tristate > > > > > select VHOST_IOTLB > > > > > help > > > > > This option is selected by any driver which needs to access > > > > > the core of vhost. > > > > > -if VHOST > > > > > +menuconfig VHOST_MENU > > > > > + bool "VHOST drivers" > > > > > + default y > > > > > + > > > > > +if VHOST_MENU > > > > > config VHOST_NET > > > > > tristate "Host kernel accelerator for virtio net" > > > > > depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP) > > > > > + select VHOST > > > > > ---help--- > > > > > This kernel module can be loaded in host kernel to accelerate > > > > > guest networking with virtio_net. Not to be confused with virtio_net > > > > > @@ -35,6 +39,7 @@ config VHOST_NET > > > > > config VHOST_SCSI > > > > > tristate "VHOST_SCSI TCM fabric driver" > > > > > depends on TARGET_CORE && EVENTFD > > > > > + select VHOST > > > > > default n > > > > > ---help--- > > > > > Say M here to enable the vhost_scsi TCM fabric module > > > > > @@ -43,6 +48,7 @@ config VHOST_SCSI > > > > > config VHOST_VSOCK > > > > > tristate "vhost virtio-vsock driver" > > > > > depends on VSOCKETS && EVENTFD > > > > > + select VHOST > > > > > select VIRTIO_VSOCKETS_COMMON > > > > > default n > > > > > ---help--- > > > > > @@ -56,6 +62,7 @@ config VHOST_VSOCK > > > > > config VHOST_VDPA > > > > > tristate "Vhost driver for vDPA-based backend" > > > > > depends on EVENTFD > > > > > + select VHOST > > > > > > This part is not squashed. > > > > > > > > > > > select VDPA > > > > > help > > > > > This kernel module can be loaded in host kernel to accelerate > > > > OK so I squashed this into the original buggy patch. > > > > Could you please play with vhost branch of my tree on various > > > > arches? If it looks ok to you let me know I'll push > > > > this to next. > > > > > > With the above part squashed. I've tested all the archs whose defconfig have > > > VHOST_NET or VHOST_VSOCK enabled. > > > > > > All looks fine. > > > > > > Thanks > > > > I'm a bit confused. So is the next tag in my tree ok now? > > > Still need to select CONFIG_VHOST for CONFIG_VHOST_VDPA. Others are ok. > > Thanks Oh like this then? diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig index bdd270fede26..cb6b17323eb2 100644 --- a/drivers/vhost/Kconfig +++ b/drivers/vhost/Kconfig @@ -61,6 +63,7 @@ config VHOST_VSOCK config VHOST_VDPA tristate "Vhost driver for vDPA-based backend" depends on EVENTFD + select VHOST select VDPA help This kernel module can be loaded in host kernel to accelerate
