lkml.org 
[lkml]   [2020]   [Sep]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2 -next] vdpa: mlx5: change Kconfig depends to fix build errors
From
Date

On 2020/9/18 上午3:45, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@infradead.org>
>
> drivers/vdpa/mlx5/ uses vhost_iotlb*() interfaces, so add a dependency
> on VHOST to eliminate build errors.
>
> ld: drivers/vdpa/mlx5/core/mr.o: in function `add_direct_chain':
> mr.c:(.text+0x106): undefined reference to `vhost_iotlb_itree_first'
> ld: mr.c:(.text+0x1cf): undefined reference to `vhost_iotlb_itree_next'
> ld: mr.c:(.text+0x30d): undefined reference to `vhost_iotlb_itree_first'
> ld: mr.c:(.text+0x3e8): undefined reference to `vhost_iotlb_itree_next'
> ld: drivers/vdpa/mlx5/core/mr.o: in function `_mlx5_vdpa_create_mr':
> mr.c:(.text+0x908): undefined reference to `vhost_iotlb_itree_first'
> ld: mr.c:(.text+0x9e6): undefined reference to `vhost_iotlb_itree_next'
> ld: drivers/vdpa/mlx5/core/mr.o: in function `mlx5_vdpa_handle_set_map':
> mr.c:(.text+0xf1d): undefined reference to `vhost_iotlb_itree_first'
>
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: "Michael S. Tsirkin" <mst@redhat.com>
> Cc: Jason Wang <jasowang@redhat.com>
> Cc: virtualization@lists.linux-foundation.org
> Cc: Saeed Mahameed <saeedm@nvidia.com>
> Cc: Leon Romanovsky <leonro@nvidia.com>
> Cc: netdev@vger.kernel.org
> ---
> v2: change from select to depends (Saeed)
>
> drivers/vdpa/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- linux-next-20200917.orig/drivers/vdpa/Kconfig
> +++ linux-next-20200917/drivers/vdpa/Kconfig
> @@ -31,7 +31,7 @@ config IFCVF
>
> config MLX5_VDPA
> bool "MLX5 VDPA support library for ConnectX devices"
> - depends on MLX5_CORE
> + depends on VHOST && MLX5_CORE


It looks to me that depending on VHOST is too heavyweight.

I guess what it really needs is VHOST_IOTLB. So we can use select
VHOST_IOTLB here.

Thanks


> default n
> help
> Support library for Mellanox VDPA drivers. Provides code that is
>

\
 
 \ /
  Last update: 2020-09-18 04:23    [W:0.049 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site