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From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: "Dong, Eddie" <eddie.dong-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Use host CPUID processor info
Date: Sun, 08 Jul 2007 11:09:41 +0300	[thread overview]
Message-ID: <46909BC5.1040505@qumranet.com> (raw)
In-Reply-To: <10EA09EFD8728347A513008B6B0DA77A01B8F3FB-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>

Dong, Eddie wrote:
> Use host cpu model name, type, family, Model, stepping for guest.
>
> Against head.
>
>   

This is turning into a mix of the qemu cpuid and the host cpuid.  We 
need to think of a way to make this controllable.


> Signed-off-by: Yaozu (Eddie) Dong <eddie.dong-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
>
> diff --git a/qemu/qemu-kvm.c b/qemu/qemu-kvm.c
> index bacdb37..1b86a13 100644
> --- a/qemu/qemu-kvm.c
> +++ b/qemu/qemu-kvm.c
> @@ -756,6 +755,10 @@ static void do_cpuid_ent(struct kvm_cpuid_entry *e,
> uint32_t function)
>         if ((h_edx & 0x00100000) == 0)
>             e->edx &= ~0x00100000u;
>      }
> +    if (function == 0x80000002 || function == 0x80000003
> +       || function == 0x80000004) {
> +       host_cpuid(function, &e->eax, &e->ebx, &e->ecx, &e->edx);
> +    }
>      // sysenter isn't supported on compatibility mode on AMD.  and
> syscall
>      // isn't supported in compatibility mode on Intel.  so advertise
> the
>      // actuall cpu, and say goodbye to migration between different
> vendors
> @@ -768,6 +771,9 @@ static void do_cpuid_ent(struct kvm_cpuid_entry *e,
> uint32_t function)
>         e->ecx = bcd[1];
>         e->edx = bcd[2];
>      }
> +    if (function == 0x1) {
> +       host_cpuid(function, &e->eax, NULL, NULL, NULL);
> +    }
>  }
>
>  int kvm_qemu_init_env(CPUState *cenv)
>   


-- 
error compiling committee.c: too many arguments to function


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  parent reply	other threads:[~2007-07-08  8:09 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-07  6:47 Use host CPUID processor info Dong, Eddie
     [not found] ` <10EA09EFD8728347A513008B6B0DA77A01B8F3FB-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-07-08  8:09   ` Avi Kivity [this message]
     [not found]     ` <46909BC5.1040505-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-07-08 13:45       ` Dong, Eddie
     [not found]         ` <10EA09EFD8728347A513008B6B0DA77A01B8F4A3-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-07-08 13:49           ` Avi Kivity
     [not found]             ` <4690EB75.1030702-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-07-08 14:07               ` Dong, Eddie
     [not found]                 ` <10EA09EFD8728347A513008B6B0DA77A01B8F4B3-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-07-08 15:12                   ` Avi Kivity

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