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[Bug 1884507] Re: 'none' machine should use 'none' display option
From: |
Philippe Mathieu-Daudé |
Subject: |
[Bug 1884507] Re: 'none' machine should use 'none' display option |
Date: |
Wed, 24 Jun 2020 09:05:39 -0000 |
> I think you made a wrong assumption here. "-display" is
> about the GUI backend that should be used. "-M" is about
> the emulated hardware. The emulated hardware options
> should never influence the host backend options.
Aright. What confuses me is having serial0/parallel0 chardevs
initialized when using the none-machine. I realized when
looking at your suggestion in comment #1 that the chardevs
(among other hardware related things) are initialized in
qemu_init().
I started testing using:
bool is_none_machine = !strcmp(machine_class->name,
MACHINE_TYPE_NAME("none"));
and disabling blocks of code with:
if (!is_none_machine) {
...
}
then planned to update this ticket description but you beat
me. I'll open a different issue.
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https://bugs.launchpad.net/bugs/1884507
Title:
'none' machine should use 'none' display option
Status in QEMU:
Invalid
Bug description:
As the 'none' machine doesn't have any peripheral (except CPU cores)
it is pointless to start a display.
'-M none' should imply '-display none'.
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