Re: [Qemu-devel] [PATCH v2 02/22] config: CONFIG_SERIAL* is already in pci.mak

[Paolo Bonzini <pbonzini@redhat.com>]

On 14/08/2018 13:40, Juan Quintela wrote:
>> CONFIG_SERIAL is a dependency of both CONFIG_SERIAL and
>> CONFIG_SERIAL_PCI.
> 
> I guess you here mean CONFIG_SERIAL_ISA or CONFIG_SERIAL_PCI.  That is
> not enough.  CONFIG_SERIAL really means CONFIG_SERIAL_COMMON, and things
> like riscv* require it

Right, I would put

   CONFIG_SERIAL=y
   CONFIG_SERIAL_ISA=y

in superio.mak and

   CONFIG_SERIAL=y
   CONFIG_SERIAL_PCI=y

in pci.mak.

>> Perhaps introduce a superio.mak with all the legacy
>> ISA devices?
> What are the surperio.mak or isa.mak.  And once there, what are the isa
> devices?  Weird things that came to my mind that can't be disabled:
> 
> - mmmouse

msmouse is a character device backend, not a device model

> - serial-isa
> - fdc
> - vmport
> - vga-isa (this is another weird thing)
> - ipmi-isa?
> - what else?

SuperIO is RTC, I8254, I8257, I8259, ISA serial, parallel, floppy.  They
can all be disabled (well, no guarantee that it compiles but the option
is there).

Paolo