Re: [PATCH] docs/user: Remove outdated 'Quick Start' section

[Laurent Vivier <laurent@vivier.eu>]

Le 11/02/2021 à 18:02, Peter Maydell a écrit :
> Laurent: Ping^2 ? Somebody on IRC just now was getting confused by this
> ancient documentation and its references to nonexistent tarballs..

Sorry, I didn't see your mail.

I agree with the change.

Acked-by: Laurent Vivier <lauren@vivier.eu>

> -- PMM
> 
> On Tue, 19 Jan 2021 at 13:58, Peter Maydell <peter.maydell@linaro.org> wrote:
>>
>> Ping? Laurent, what's your take on this docs patch?
>>
>> thanks
>> -- PMM
>>
>> On Sun, 22 Nov 2020 at 00:01, Peter Maydell <peter.maydell@linaro.org> wrote:
>>>
>>> The 'Quick Start' section of the userspace emulator documentation is
>>> very old and outdated. In particular:
>>>  - it suggests running x86-on-x86 emulation, which is the least
>>>    interesting possible use case
>>>  - it recommends that users download tarballs of guest binaries
>>>    from the QEMU web page which we no longer provide there
>>>
>>> There's nothing salvageable here; delete it all.
>>>
>>> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
>>> ---
>>> I'm open to suggestions that this is being too drastic;
>>> the main aim here is to remove references to tar.gz files
>>> that we haven't provided for years, as noted by
>>>  https://bugs.launchpad.net/qemu/+bug/1884982
>>> Ideally the whole of docs/user could use a lot of love...
>>>
>>>  docs/user/main.rst | 61 ----------------------------------------------
>>>  1 file changed, 61 deletions(-)
>>>
>>> diff --git a/docs/user/main.rst b/docs/user/main.rst
>>> index bd99b0fdbe9..49ccae3ecab 100644
>>> --- a/docs/user/main.rst
>>> +++ b/docs/user/main.rst
>>> @@ -45,67 +45,6 @@ emulator.
>>>  Linux User space emulator
>>>  -------------------------
>>>
>>> -Quick Start
>>> -~~~~~~~~~~~
>>> -
>>> -In order to launch a Linux process, QEMU needs the process executable
>>> -itself and all the target (x86) dynamic libraries used by it.
>>> -
>>> --  On x86, you can just try to launch any process by using the native
>>> -   libraries::
>>> -
>>> -      qemu-i386 -L / /bin/ls
>>> -
>>> -   ``-L /`` tells that the x86 dynamic linker must be searched with a
>>> -   ``/`` prefix.
>>> -
>>> --  Since QEMU is also a linux process, you can launch QEMU with QEMU
>>> -   (NOTE: you can only do that if you compiled QEMU from the sources)::
>>> -
>>> -      qemu-i386 -L / qemu-i386 -L / /bin/ls
>>> -
>>> --  On non x86 CPUs, you need first to download at least an x86 glibc
>>> -   (``qemu-runtime-i386-XXX-.tar.gz`` on the QEMU web page). Ensure that
>>> -   ``LD_LIBRARY_PATH`` is not set::
>>> -
>>> -      unset LD_LIBRARY_PATH
>>> -
>>> -   Then you can launch the precompiled ``ls`` x86 executable::
>>> -
>>> -      qemu-i386 tests/i386/ls
>>> -
>>> -   You can look at ``scripts/qemu-binfmt-conf.sh`` so that QEMU is
>>> -   automatically launched by the Linux kernel when you try to launch x86
>>> -   executables. It requires the ``binfmt_misc`` module in the Linux
>>> -   kernel.
>>> -
>>> --  The x86 version of QEMU is also included. You can try weird things
>>> -   such as::
>>> -
>>> -      qemu-i386 /usr/local/qemu-i386/bin/qemu-i386 \
>>> -                /usr/local/qemu-i386/bin/ls-i386
>>> -
>>> -Wine launch
>>> -~~~~~~~~~~~
>>> -
>>> --  Ensure that you have a working QEMU with the x86 glibc distribution
>>> -   (see previous section). In order to verify it, you must be able to
>>> -   do::
>>> -
>>> -      qemu-i386 /usr/local/qemu-i386/bin/ls-i386
>>> -
>>> --  Download the binary x86 Wine install (``qemu-XXX-i386-wine.tar.gz``
>>> -   on the QEMU web page).
>>> -
>>> --  Configure Wine on your account. Look at the provided script
>>> -   ``/usr/local/qemu-i386/bin/wine-conf.sh``. Your previous
>>> -   ``${HOME}/.wine`` directory is saved to ``${HOME}/.wine.org``.
>>> -
>>> --  Then you can try the example ``putty.exe``::
>>> -
>>> -      qemu-i386 /usr/local/qemu-i386/wine/bin/wine \
>>> -                /usr/local/qemu-i386/wine/c/Program\ Files/putty.exe
>>> -
>>>  Command line options
>>>  ~~~~~~~~~~~~~~~~~~~~
>>>
>>> --
>>> 2.20.1