On Mon, Sep 17, 2012 at 10:00:55AM -0400, Don Slutz wrote:
> This is used to set the cpu object's hypervisor level to the default for
> Microsoft's Hypervisor.
>
> Signed-off-by: Don Slutz <d...@cloudswitch.com>
> ---
> target-i386/cpu.c | 10 ++++++++++
> 1 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 0e4a18d..4120393 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -1192,6 +1192,13 @@ static void x86_cpuid_set_hv_level(Object *obj,
> Visitor *v, void *opaque,
> }
>
> #if !defined(CONFIG_USER_ONLY)
> +static void x86_set_hyperv(Object *obj, Error **errp)
> +{
> + X86CPU *cpu = X86_CPU(obj);
> +
> + cpu->env.cpuid_hv_level = HYPERV_CPUID_MIN;
HYPERV_CPUID_MIN is defined on linux-headers/asm-x86/hyperv.h, that is
included only if build host is linux-x86 and CONFIG_KVM is set.
> +}
> +
> static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
> const char *name, Error **errp)
> {
> @@ -1214,6 +1221,7 @@ static void x86_set_hv_spinlocks(Object *obj, Visitor
> *v, void *opaque,
> return;
> }
> hyperv_set_spinlock_retries(value);
> + x86_set_hyperv(obj, errp);
> }
>
> static void x86_get_hv_relaxed(Object *obj, Visitor *v, void *opaque,
> @@ -1234,6 +1242,7 @@ static void x86_set_hv_relaxed(Object *obj, Visitor *v,
> void *opaque,
> return;
> }
> hyperv_enable_relaxed_timing(value);
> + x86_set_hyperv(obj, errp);
> }
>
> static void x86_get_hv_vapic(Object *obj, Visitor *v, void *opaque,
> @@ -1254,6 +1263,7 @@ static void x86_set_hv_vapic(Object *obj, Visitor *v,
> void *opaque,
> return;
> }
> hyperv_enable_vapic_recommended(value);
> + x86_set_hyperv(obj, errp);
> }
> #endif
>
> --
> 1.7.1
>
>
--
Eduardo
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