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Re: [Qemu-devel] [PATCH 4/9] target-i386: convert 'hv_relaxed' to static
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH 4/9] target-i386: convert 'hv_relaxed' to static property |
Date: |
Wed, 20 Feb 2013 10:03:37 +0100 |
On Tue, 19 Feb 2013 15:45:16 -0300
Eduardo Habkost <address@hidden> wrote:
> On Mon, Feb 11, 2013 at 05:35:06PM +0100, Igor Mammedov wrote:
> > Signed-off-by: Igor Mammedov <address@hidden>
> > ---
> > target-i386/cpu.c | 35 ++++++++++++++++++++++++++++++++++-
> > 1 files changed, 34 insertions(+), 1 deletions(-)
> >
> > diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> > index 1f14b65..b804031 100644
> > --- a/target-i386/cpu.c
> > +++ b/target-i386/cpu.c
> > @@ -528,6 +528,38 @@ PropertyInfo qdev_prop_spinlocks = {
> > .defval =
> > _defval \ }
> >
> > +static void x86_get_hv_relaxed(Object *obj, Visitor *v, void *opaque,
> > + const char *name, Error **errp)
> > +{
> > + bool value = hyperv_relaxed_timing_enabled();
> > +
> > + visit_type_bool(v, &value, name, errp);
> > +}
> > +
> > +static void x86_set_hv_relaxed(Object *obj, Visitor *v, void *opaque,
> > + const char *name, Error **errp)
> > +{
> > + bool value;
> > +
> > + visit_type_bool(v, &value, name, errp);
> > + if (error_is_set(errp)) {
> > + return;
> > + }
> > + hyperv_enable_relaxed_timing(value);
> > +}
> > +
> > +PropertyInfo qdev_prop_hv_relaxed = {
> > + .name = "boolean",
> > + .get = x86_get_hv_relaxed,
> > + .set = x86_set_hv_relaxed,
> > +};
> > +#define DEFINE_PROP_HV_RELAXED(_n, _defval)
> > { \
> > + .name =
> > _n, \
> > + .info =
> > &qdev_prop_hv_relaxed, \
> > + .qtype =
> > QTYPE_QBOOL, \
> > + .defval =
> > _defval \ +}
> > +
> > static Property cpu_x86_properties[] = {
> > DEFINE_PROP_FAMILY("family"),
> > DEFINE_PROP_MODEL("model"),
> > @@ -538,6 +570,7 @@ static Property cpu_x86_properties[] = {
> > DEFINE_PROP_MODEL_ID("model-id"),
> > DEFINE_PROP_TSC_FREQ("tsc-frequency"),
> > DEFINE_PROP_HV_SPINLOCKS("hv-spinlocks",
> > HYPERV_SPINLOCK_NEVER_RETRY),
> > + DEFINE_PROP_HV_RELAXED("hv-relaxed", false),
>
> Why not simply make it a X86CPU struct field, so we don't need a special
> PropertyInfo?
>
> The whole contents of target-i386/hyperv.c are getters/setters for three
> static variables that should have been X86CPU fields in the first place.
I went via less intrusive approach to avoid breaking anything during
conversion. Can we proceed with conversion first and than decide whether to
move hv_* into CPU or not?
>
>
> > DEFINE_PROP_END_OF_LIST(),
> > };
> >
> > @@ -1468,7 +1501,7 @@ static void cpu_x86_parse_featurestr(X86CPU *cpu,
> > char *features, Error **errp) } else if (!strcmp(featurestr, "enforce")) {
> > check_cpuid = enforce_cpuid = 1;
> > } else if (!strcmp(featurestr, "hv_relaxed")) {
> > - hyperv_enable_relaxed_timing(true);
> > + object_property_parse(OBJECT(cpu), "on", "hv-relaxed", errp);
> > } else if (!strcmp(featurestr, "hv_vapic")) {
> > hyperv_enable_vapic_recommended(true);
> > } else {
> > --
> > 1.7.1
> >
> >
>
[Qemu-devel] [PATCH 5/9] target-i386: convert 'hv_vapic' to static property, Igor Mammedov, 2013/02/11
[Qemu-devel] [PATCH 2/9] target-i386: add stubs for hyperv_(vapic_recommended|relaxed_timing_enabled|get_spinlock_retries)(), Igor Mammedov, 2013/02/11
[Qemu-devel] [PATCH 7/9] target-i386: cleanup 'foo' feature handling', Igor Mammedov, 2013/02/11
[Qemu-devel] [PATCH 8/9] target-i386: cleanup 'foo=val' feature handling, Igor Mammedov, 2013/02/11