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Re: [Qemu-devel] -device foo, help shouldn't be allowed for devices wher

From: Thomas Huth
Subject: Re: [Qemu-devel] -device foo, help shouldn't be allowed for devices where -device foo is forbidden
Date: Mon, 14 Jan 2019 17:59:28 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 2019-01-14 17:31, Peter Maydell wrote:
> We prohibit -device foo for non-pluggable devices:
> $ ./build/all/x86_64-softmmu/qemu-system-x86_64 -device i8257
> qemu-system-x86_64: -device i8257: Parameter 'driver' expects
> pluggable device type
> And we suppress them from "-device help" output too.
> But we still allow the user to do this:
> $ ./build/all/x86_64-softmmu/qemu-system-x86_64 -device i8257,help
> i8257 options:
>   dshift=<int32>
>   base=<int32>
>   pageh-base=<int32>
>   page-base=<int32>

Could this still be sometimes useful, e.g. when a device is configured
with the "-global" parameter?


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