On 01.04.20 14:50, Jason Wang wrote: > > On 2020/4/1 下午7:21, Christian Borntraeger wrote: >> On 26.03.20 15:01, Jason Wang wrote: >>> Currently, CONFIG_VHOST depends on CONFIG_VIRTUALIZATION. But vhost is >>> not necessarily for VM since it's a generic userspace and kernel >>> communication protocol. Such dependency may prevent archs without >>> virtualization support from using vhost. >>> >>> To solve this, a dedicated vhost menu is created under drivers so >>> CONIFG_VHOST can be decoupled out of CONFIG_VIRTUALIZATION. >> FWIW, this now results in vhost not being build with defconfig kernels (in todays >> linux-next). >> > > Hi Christian: > > Did you meet it even with this commit https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=a4be40cbcedba9b5b714f3c95182e8a45176e42d? I simply used linux-next. The defconfig does NOT contain CONFIG_VHOST and therefore CONFIG_VHOST_NET and friends can not be selected. $ git checkout next-20200401 $ make defconfig HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/conf.o HOSTCC scripts/kconfig/confdata.o HOSTCC scripts/kconfig/expr.o LEX scripts/kconfig/lexer.lex.c YACC scripts/kconfig/parser.tab.[ch] HOSTCC scripts/kconfig/lexer.lex.o HOSTCC scripts/kconfig/parser.tab.o HOSTCC scripts/kconfig/preprocess.o HOSTCC scripts/kconfig/symbol.o HOSTCC scripts/kconfig/util.o HOSTLD scripts/kconfig/conf *** Default configuration is based on 'x86_64_defconfig' # # configuration written to .config # $ grep VHOST .config # CONFIG_VHOST is not set > If yes, what's your build config looks like? > > Thanks >
