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net: Only show vhost-user in the help text if CONFIG_POSIX is defined

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According to net/Makefile.objs we only link in the vhost-user code
if CONFIG_POSIX has been set. So the help screen should also only
show this information if CONFIG_POSIX has been defined.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Thomas Huth 2018-02-21 11:18:32 +01:00 committed by Jason Wang
parent 547203ead4
commit 253dc14cad
1 changed files with 2 additions and 0 deletions
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2
qemu-options.hx
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@ -1998,8 +1998,10 @@ DEF("netdev", HAS_ARG, QEMU_OPTION_netdev,
" VALE port (created on the fly) called 'name' ('nmname' is name of the \n"
" netmap device, defaults to '/dev/netmap')\n"
#endif
#ifdef CONFIG_POSIX
"-netdev vhost-user,id=str,chardev=dev[,vhostforce=on|off]\n"
" configure a vhost-user network, backed by a chardev 'dev'\n"
#endif
"-netdev hubport,id=str,hubid=n[,netdev=nd]\n"
" configure a hub port on QEMU VLAN 'n'\n", QEMU_ARCH_ALL)
DEF("net", HAS_ARG, QEMU_OPTION_net,