* [Qemu-devel] [Discuss] is it good to add codes providing information to libvirt about the qemu's capabilities
@ 2011-07-08 9:08 Wayne Xia
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From: Wayne Xia @ 2011-07-08 9:08 UTC (permalink / raw)
To: qemu-devel
Currently libvirt seems to invoke qemu by "qemu -help" onetime, and
then analysis the output text to find whether one type of device the
qemu could support. For example, if "qemu -help" prints a text with
"-sdl" then libvirt thought the qemu could accept that.
But here comes a problem: the output text seems not to adjust its
output according to the qemu's compile configuration, so it is possible
libvirt invoke qemu with -sdl but get "qemu exit" response that "SDL
support is disabled". By default, the sdl is disabled, and the libvirt
thought it is on.
I wonder if it is a good idea to modify the help function in vl.c,
to let it adjust -help output according to the configuration, but this
would hide some option of "-help" invocation.
--
Best Regards
Wayne Xia
mail:xiawenc@linux.vnet.ibm.com
tel:86-010-82450803
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2011-07-08 9:08 [Qemu-devel] [Discuss] is it good to add codes providing information to libvirt about the qemu's capabilities Wayne Xia
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