From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, jgg@mellanox.com,
maxime.coquelin@redhat.com, cunming.liang@intel.com,
zhihong.wang@intel.com, rob.miller@broadcom.com,
xiao.w.wang@intel.com, lingshan.zhu@intel.com,
eperezma@redhat.com, lulu@redhat.com, parav@mellanox.com,
kevin.tian@intel.com, stefanha@redhat.com, rdunlap@infradead.org,
hch@infradead.org, aadam@redhat.com, jiri@mellanox.com,
shahafs@mellanox.com, hanand@xilinx.com, mhabets@solarflare.com,
gdawar@xilinx.com, saugatm@xilinx.com, vmireyno@marvell.com,
zhangweining@ruijie.com.cn
Subject: Re: [PATCH V9 1/9] vhost: refine vhost and vringh kconfig
Date: Wed, 1 Apr 2020 12:05:39 -0400 [thread overview]
Message-ID: <20200401120352-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <3dd3b7e7-e3d9-dba4-00fc-868081f95ab7@redhat.com>
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@redhat.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@redhat.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.
OK so don't we need the dependency on EVENTFD though?
I recall there was a bug this was supposed to fix ...
> -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
> select VDPA
> help
> This kernel module can be loaded in host kernel to accelerate
> --
> 2.20.1
>
next prev parent reply other threads:[~2020-04-01 16:05 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-26 14:01 [PATCH V9 0/9] vDPA support Jason Wang
2020-03-26 14:01 ` [PATCH V9 1/9] vhost: refine vhost and vringh kconfig Jason Wang
2020-04-01 11:21 ` Christian Borntraeger
2020-04-01 12:50 ` Jason Wang
2020-04-01 12:56 ` Christian Borntraeger
2020-04-01 13:02 ` Christian Borntraeger
2020-04-01 14:01 ` Michael S. Tsirkin
2020-04-01 14:13 ` Jason Wang
2020-04-01 14:18 ` Michael S. Tsirkin
2020-04-01 14:36 ` Jason Wang
2020-04-01 14:27 ` Michael S. Tsirkin
2020-04-01 14:50 ` Jason Wang
2020-04-01 15:57 ` Michael S. Tsirkin
2020-04-01 18:53 ` Christian Borntraeger
2020-04-01 13:22 ` Michael S. Tsirkin
2020-04-01 14:08 ` Jason Wang
2020-04-01 14:13 ` Michael S. Tsirkin
2020-04-01 14:29 ` Jason Wang
2020-04-01 14:35 ` Michael S. Tsirkin
2020-04-01 14:39 ` Jason Wang
2020-04-01 14:39 ` Michael S. Tsirkin
2020-04-01 14:43 ` Jason Wang
2020-04-01 16:05 ` Michael S. Tsirkin [this message]
2020-04-01 16:08 ` Michael S. Tsirkin
2020-04-02 3:22 ` Jason Wang
2020-04-02 14:03 ` Michael S. Tsirkin
2020-04-02 14:23 ` Jason Wang
2020-04-02 14:38 ` Michael S. Tsirkin
2020-04-02 14:56 ` Jason Wang
2020-03-26 14:01 ` [PATCH V9 2/9] vhost: allow per device message handler Jason Wang
2020-03-26 14:01 ` [PATCH V9 3/9] vhost: factor out IOTLB Jason Wang
2020-03-26 14:01 ` [PATCH V9 4/9] vringh: IOTLB support Jason Wang
2020-03-26 14:01 ` [PATCH V9 5/9] vDPA: introduce vDPA bus Jason Wang
2020-03-26 14:01 ` [PATCH V9 6/9] virtio: introduce a vDPA based transport Jason Wang
2020-03-26 14:01 ` [PATCH V9 7/9] vhost: introduce vDPA-based backend Jason Wang
2021-11-01 14:11 ` Jason Gunthorpe
2021-11-02 3:52 ` Jason Wang
2021-11-02 15:56 ` Jason Gunthorpe
2021-11-03 7:34 ` Jason Wang
2020-03-26 14:01 ` [PATCH V9 8/9] vdpasim: vDPA device simulator Jason Wang
2020-04-10 7:45 ` Geert Uytterhoeven
2020-04-10 8:23 ` Jason Wang
2020-03-26 14:01 ` [PATCH V9 9/9] virtio: Intel IFC VF driver for VDPA Jason Wang
2020-04-09 10:41 ` Arnd Bergmann
2020-04-09 12:43 ` Jason Wang
2020-04-09 12:49 ` Zhu, Lingshan
2020-04-09 20:25 ` Michael S. Tsirkin
2020-04-10 3:15 ` Zhu, Lingshan
2020-03-29 11:07 ` [PATCH V9 0/9] vDPA support Michael S. Tsirkin
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