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bt: Mark the bluetooth subsystem as deprecated

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It has been unmaintained since years, and there were only trivial or
tree-wide changes to the related files since many years, so the
code is likely very bitrotten and broken. For example the following
segfaults as soon as as you press a key:

 qemu-system-x86_64 -usb -device usb-bt-dongle -bt hci -bt device:keyboard

Since we are not aware of anybody using bluetooth with the current
version of QEMU, let's mark the subsystem as deprecated, with a special
request for the users to write to the qemu-devel mailing list in case
they still use it (so we could revert the deprecation status in that
case).

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1542016830-19189-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Thomas Huth 2018-11-12 11:00:30 +01:00 committed by Gerd Hoffmann
parent 460f0236c1
commit c0188e69d3
3 changed files with 15 additions and 0 deletions
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7
qemu-deprecated.texi
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@ -128,6 +128,13 @@ The @option{[hub_id name]} parameter tuple of the 'hostfwd_add' and
The ``ivshmem'' device type is replaced by either the ``ivshmem-plain''
or ``ivshmem-doorbell`` device types.
@subsection bluetooth (since 3.1)
The bluetooth subsystem is unmaintained since many years and likely bitrotten
quite a bit. It will be removed without replacement unless some users speaks
up at the @email{qemu-devel@@nongnu.org} mailing list with information about
their usecases.
@section System emulator machines
@subsection pc-0.10 and pc-0.11 (since 3.0)

4
qemu-options.hx
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@ -2772,6 +2772,10 @@ logic. The Transport Layer is decided by the machine type. Currently
the machines @code{n800} and @code{n810} have one HCI and all other
machines have none.
Note: This option and the whole bluetooth subsystem is considered as deprecated.
If you still use it, please send a mail to @email{qemu-devel@@nongnu.org} where
you describe your usecase.
@anchor{bt-hcis}
The following three types are recognized:

4
vl.c
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@ -3269,6 +3269,10 @@ int main(int argc, char **argv, char **envp)
break;
#endif
case QEMU_OPTION_bt:
warn_report("The bluetooth subsystem is deprecated and will "
"be removed soon. If the bluetooth subsystem is "
"still useful for you, please send a mail to "
"qemu-devel@nongnu.org with your usecase.");
add_device_config(DEV_BT, optarg);
break;
case QEMU_OPTION_audio_help: