Re: [Qemu-devel] [PATCH 00/37 v5] target-i386: convert CPU features into properties

[Igor Mammedov <imammedo@redhat.com>]

On Tue, 23 Oct 2012 09:32:53 -0400
Don Slutz <Don@cloudswitch.com> wrote:

> On 10/22/12 11:02, Igor Mammedov wrote:
> > v5:
> >    - Use static properties instead of dynamic ones
> >    - Compile in KVM CPUID features only if CONFIG_KVM is defined
> >    - Add "f-kvm_steal_tm" and "f-kvmclock_stable" CPUID feature names
> >    - Some qdev hacking to:
> >      - allow iterate over Property[] before object instance exists
> >      - find a static bit property definition by specifying bit number
> >        and field's offset
> >    - Replace error_set() with error_setg() where patches touch it.
> >
> > git tree for testing:
> >    https://github.com/imammedo/qemu/tree/x86-cpu-properties.v5
> This tree is failing to build cleanly:
Since series targeted to target-i386, I haven't tested it with build all.
Thanks for finding bug in CPU as DeviceState series though.
> 
>    CC    microblaze-softmmu/hw/microblaze/../microblaze_boot.o
> In file included from /home/don/qemu/include/qemu/cpu.h:23,
>                   from /home/don/qemu/target-microblaze/cpu-qom.h:23,
>                   from /home/don/qemu/target-microblaze/cpu.h:273,
>                   from /home/don/qemu/qemu-common.h:128,
>                   from /home/don/qemu/qlist.h:18,
Looks like circular header dependency strikes again ^^^,
I've had patch that fixes qlist.h which doesn't need qemu-common.h, when I
experimented with inlining APIC in X86CPU. Let's me dig it out, it should help.

>                   from /home/don/qemu/qdict.h:17,
>                   from /home/don/qemu/qemu-option.h:32,
>                   from /home/don/qemu/hw/microblaze/../microblaze_boot.c:27:
> /home/don/qemu/hw/qdev-core.h:68: error: expected 
> specifier-qualifier-list before 'QemuOpts'
> make[1]: *** [hw/microblaze/../microblaze_boot.o] Error 1
> make: *** [subdir-microblaze-softmmu] Error 2
> 
> bisected to:
> commit 2652c28759bc658fee228d4d329d9d514683b261
> 
> Which looks to be: 
> http://lists.nongnu.org/archive/html/qemu-devel/2012-10/msg02786.html
> 
>     -Don Slutz
> >
> > Depends on "CPU as Device" series:
> >    http://lists.nongnu.org/archive/html/qemu-devel/2012-10/msg02776.html
> >
> > Reference to a previous version:
> >    http://lists.gnu.org/archive/html/qemu-devel/2012-10/msg00210.html
> >
> > Igor Mammedov (37):
> >    target-i386: return Error from cpu_x86_find_by_name()
> >    target-i386: cpu_x86_register(): report error from property setter
> >    target-i386: if x86_cpu_realize() failed report error and do cleanup
> >    target-i386: filter out not TCG features if running without kvm at
> >      realize time
> >    target-i386: move out CPU features initialization in separate func
> >    add visitor for parsing hz[KMG] input string
> >    target-i386: use visit_type_hz to parse tsc_freq property value
> >    target-i386: define static properties for cpuid features
> >    qdev: export qdev_prop_find() and allow it to be used with
> >      DeviceClass instead of Object
> >    target-i386: parse cpu_model string into set of stringified
> >      properties
> >    target-i386: introduce vendor-override static property
> >    target-i386: convert "xlevel" to static property
> >    target-i386: convert "level" to static property
> >    target-i386: postpone cpuid_level update to realize time
> >    target-i386: set default value of "hypervisor" feature using static
> >      property
> >    target-i386: set kvm CPUID default feature values using static
> >      properties
> >    target-i386: make 'f-kvmclock' compatible with legacy behaviour
> >    target-i386: add stubs for
> >      hyperv_(vapic_recommended|relaxed_timing_enabled|get_spinlock_retries)()
> >    qdev: add DEFINE_ABSTRACT_PROP() helper
> >    target-i386: convert 'hv_spinlocks' to static property
> >    target-i386: convert 'hv_relaxed' to static property
> >    target-i386: convert 'hv_vapic' to static property
> >    target-i386: convert 'check' and 'enforce' to static properties
> >    target-i386: use define for cpuid vendor string size
> >    target-i386: replace uint32_t vendor fields by vendor string in
> >      x86_def_t
> >    target-i386: convert "vendor" property to static property
> >    target-i386: convert "tsc-frequency" to static property
> >    target-i386: convert "model-id" to static property
> >    target-i386: convert "stepping" to static property
> >    target-i386: convert "model" to static property
> >    target-i386: convert "family" to static property
> >    target-i386: use static properties for setting cpuid features
> >    qdev: QDEV_PROP_FOREACH and QDEV_CLASS_FOREACH
> >    qdev: introduce QDEV_FIND_PROP_FROM_BIT and qdev_prop_find_bit()
> >    target-i386: use static properties in check_features_against_host()
> >      to print CPUID feature names
> >    target-i386: use static properties to list CPUID features
> >    target-i386: cleanup cpu_x86_find_by_name(), only fill x86_def_t in
> >      it
> >
> >   hw/qdev-properties.h        |   26 +-
> >   qapi/qapi-visit-core.c      |   11 +
> >   qapi/qapi-visit-core.h      |    2 +
> >   qapi/string-input-visitor.c |   22 +
> >   qom/qdev-core.c             |   10 +-
> >   qom/qdev-properties.c       |   50 +-
> >   target-i386/cpu.c           | 1667 +++++++++++++++++++++++--------------------
> >   target-i386/cpu.h           |   12 +-
> >   target-i386/helper.c        |    9 +-
> >   target-i386/hyperv.h        |    9 +-
> >   10 files changed, 992 insertions(+), 826 deletions(-)
> >
> 


-- 
Regards,
  Igor