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Re: [Qemu-devel] [QEMU PATCH] hw/i386: Remove deprecated machines pc-0.1
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [QEMU PATCH] hw/i386: Remove deprecated machines pc-0.10 and pc-0.11 |
Date: |
Mon, 17 Dec 2018 17:57:09 -0500 |
On Mon, Dec 17, 2018 at 05:35:22PM -0200, Eduardo Habkost wrote:
> On Mon, Dec 17, 2018 at 05:57:37PM +0100, Thomas Huth wrote:
> > They've been deprecated for two releases and nobody complained that they
> > are still required anymore, so it's time to remove these now.
> > And while we're at it, mark the other remaining old 0.x machine types
> > as deprecated (since they can not properly be used for live-migration
> > anyway).
>
> Do you know why exactly they can't be used for live-migration?
>
> Maybe we should split the removal of pc <= 0.10 and deprecation
> of pc <= 0.15 into separate patches?
>
> In either case:
>
> Reviewed-by: Eduardo Habkost <address@hidden>
>
> Michael, should I queue this, or should it go through your tree?
I'll queue it.
>
> >
> > Signed-off-by: Thomas Huth <address@hidden>
> > ---
> > hw/i386/pc_piix.c | 70
> > ++-------------------------------------------------
> > qemu-deprecated.texi | 2 +-
> > tests/cpu-plug-test.c | 4 +--
> > 3 files changed, 4 insertions(+), 72 deletions(-)
> >
> > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> > index 6981cfa..7653fbb 100644
> > --- a/hw/i386/pc_piix.c
> > +++ b/hw/i386/pc_piix.c
> > @@ -368,7 +368,7 @@ static void pc_compat_1_2(MachineState *machine)
> > x86_cpu_change_kvm_default("kvm-pv-eoi", NULL);
> > }
> >
> > -/* PC compat function for pc-0.10 to pc-0.13 */
> > +/* PC compat function for pc-0.12 and pc-0.13 */
> > static void pc_compat_0_13(MachineState *machine)
> > {
> > pc_compat_1_2(machine);
> > @@ -834,6 +834,7 @@ static void pc_i440fx_0_15_machine_options(MachineClass
> > *m)
> > {
> > pc_i440fx_1_0_machine_options(m);
> > m->hw_version = "0.15";
> > + m->deprecation_reason = "use a newer machine type instead";
> > SET_MACHINE_COMPAT(m, PC_COMPAT_0_15);
> > }
> >
> > @@ -951,73 +952,6 @@ static void
> > pc_i440fx_0_12_machine_options(MachineClass *m)
> > DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13,
> > pc_i440fx_0_12_machine_options);
> >
> > -
> > -#define PC_COMPAT_0_11 \
> > - PC_CPU_MODEL_IDS("0.11") \
> > - {\
> > - .driver = "virtio-blk-pci",\
> > - .property = "vectors",\
> > - .value = stringify(0),\
> > - },{\
> > - .driver = TYPE_PCI_DEVICE,\
> > - .property = "rombar",\
> > - .value = stringify(0),\
> > - },{\
> > - .driver = "ide-drive",\
> > - .property = "ver",\
> > - .value = "0.11",\
> > - },{\
> > - .driver = "scsi-disk",\
> > - .property = "ver",\
> > - .value = "0.11",\
> > - },
> > -
> > -static void pc_i440fx_0_11_machine_options(MachineClass *m)
> > -{
> > - pc_i440fx_0_12_machine_options(m);
> > - m->hw_version = "0.11";
> > - m->deprecation_reason = "use a newer machine type instead";
> > - SET_MACHINE_COMPAT(m, PC_COMPAT_0_11);
> > -}
> > -
> > -DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13,
> > - pc_i440fx_0_11_machine_options);
> > -
> > -
> > -#define PC_COMPAT_0_10 \
> > - PC_CPU_MODEL_IDS("0.10") \
> > - {\
> > - .driver = "virtio-blk-pci",\
> > - .property = "class",\
> > - .value = stringify(PCI_CLASS_STORAGE_OTHER),\
> > - },{\
> > - .driver = "virtio-serial-pci",\
> > - .property = "class",\
> > - .value = stringify(PCI_CLASS_DISPLAY_OTHER),\
> > - },{\
> > - .driver = "virtio-net-pci",\
> > - .property = "vectors",\
> > - .value = stringify(0),\
> > - },{\
> > - .driver = "ide-drive",\
> > - .property = "ver",\
> > - .value = "0.10",\
> > - },{\
> > - .driver = "scsi-disk",\
> > - .property = "ver",\
> > - .value = "0.10",\
> > - },
> > -
> > -static void pc_i440fx_0_10_machine_options(MachineClass *m)
> > -{
> > - pc_i440fx_0_11_machine_options(m);
> > - m->hw_version = "0.10";
> > - SET_MACHINE_COMPAT(m, PC_COMPAT_0_10);
> > -}
> > -
> > -DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13,
> > - pc_i440fx_0_10_machine_options);
> > -
> > typedef struct {
> > uint16_t gpu_device_id;
> > uint16_t pch_device_id;
> > diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi
> > index 2912084..190250f 100644
> > --- a/qemu-deprecated.texi
> > +++ b/qemu-deprecated.texi
> > @@ -124,7 +124,7 @@ their usecases.
> >
> > @section System emulator machines
> >
> > address@hidden pc-0.10 and pc-0.11 (since 3.0)
> > address@hidden pc-0.12, pc-0.13, pc-0.14 and pc-0.15 (since 4.0)
> >
> > These machine types are very old and likely can not be used for live
> > migration
> > from old QEMU versions anymore. A newer machine type should be used
> > instead.
> > diff --git a/tests/cpu-plug-test.c b/tests/cpu-plug-test.c
> > index f4a677d..668f001 100644
> > --- a/tests/cpu-plug-test.c
> > +++ b/tests/cpu-plug-test.c
> > @@ -157,9 +157,7 @@ static void add_pc_test_case(const char *mname)
> > (strcmp(mname, "pc-0.15") == 0) ||
> > (strcmp(mname, "pc-0.14") == 0) ||
> > (strcmp(mname, "pc-0.13") == 0) ||
> > - (strcmp(mname, "pc-0.12") == 0) ||
> > - (strcmp(mname, "pc-0.11") == 0) ||
> > - (strcmp(mname, "pc-0.10") == 0)) {
> > + (strcmp(mname, "pc-0.12") == 0)) {
> > path = g_strdup_printf("cpu-plug/%s/init/%ux%ux%u&maxcpus=%u",
> > mname, data->sockets, data->cores,
> > data->threads, data->maxcpus);
> > --
> > 1.8.3.1
> >
>
> --
> Eduardo