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Date: Thu, 2 Apr 2020 11:22:57 +0800 From: Jason Wang <jasowang@...hat.com> To: "Michael S. Tsirkin" <mst@...hat.com> Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, jgg@...lanox.com, maxime.coquelin@...hat.com, cunming.liang@...el.com, zhihong.wang@...el.com, rob.miller@...adcom.com, xiao.w.wang@...el.com, lingshan.zhu@...el.com, eperezma@...hat.com, lulu@...hat.com, parav@...lanox.com, kevin.tian@...el.com, stefanha@...hat.com, rdunlap@...radead.org, hch@...radead.org, aadam@...hat.com, jiri@...lanox.com, shahafs@...lanox.com, hanand@...inx.com, mhabets@...arflare.com, gdawar@...inx.com, saugatm@...inx.com, vmireyno@...vell.com, zhangweining@...jie.com.cn Subject: Re: [PATCH V9 1/9] vhost: refine vhost and vringh kconfig 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@...hat.com> >> 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@...hat.com> >> --- >> 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
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