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Re: [Qemu-devel] [PATCH v2] hw/i386: Deprecate the machines pc-0.10 to p
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] [PATCH v2] hw/i386: Deprecate the machines pc-0.10 to pc-1.2 |
Date: |
Tue, 30 May 2017 12:35:01 +0200 |
Hi,
> > v2:
> > - Deprecate machines up to pc-1.2
> >
> > hw/i386/pc_piix.c | 9 +++++++++
> > 1 file changed, 9 insertions(+)
> >
> > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> > index 9f102aa..aace378 100644
> > --- a/hw/i386/pc_piix.c
> > +++ b/hw/i386/pc_piix.c
> > @@ -38,6 +38,7 @@
> > #include "sysemu/kvm.h"
> > #include "hw/kvm/clock.h"
> > #include "sysemu/sysemu.h"
> > +#include "sysemu/qtest.h"
> > #include "hw/sysbus.h"
> > #include "sysemu/arch_init.h"
> > #include "sysemu/block-backend.h"
> > @@ -84,6 +85,14 @@ static void pc_init1(MachineState *machine,
> > MemoryRegion *pci_memory;
> > MemoryRegion *rom_memory;
> > ram_addr_t lowmem;
> > + char *mc_name = MACHINE_CLASS(pcmc)->name;
> > +
> > + /* Machines pc-0.10 up to pc-1.2 are considered as deprecated
> > */
> > + if (!qtest_enabled() && (!strncmp(mc_name, "pc-0.", 5)
> > + || (!strncmp(mc_name, "pc-1.", 5) && mc_name[5] < '3'))) {
> > + error_report("Machine type '%s' is deprecated, "
> > + "please use a newer type instead", mc_name);
> > + }
> >
> > /*
> > * Calculate ram split, for memory below and above 4G. It's a
> > bit
> >
>
> Ping! Any comments on this version of the patch?
Does it make sense to build some infrastructure for this, so we don't
have ad-hoc code to print deprecation warnings everywhere?
Something like adding a "bool deprecated" or "char *deprecated_msg"
field to MachineClass (and possibly elsewhere too, for example
DeviceClass).
cheers,
Gerd
Re: [Qemu-devel] [PATCH v2] hw/i386: Deprecate the machines pc-0.10 to pc-1.2, Michael S. Tsirkin, 2017/05/30