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Re: [Qemu-devel] [PATCH] qemu: fix cpuid eax for kvm cpu
From: |
Avi Kivity |
Subject: |
Re: [Qemu-devel] [PATCH] qemu: fix cpuid eax for kvm cpu |
Date: |
Tue, 01 May 2012 15:38:43 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1 |
On 04/30/2012 05:42 PM, Michael S. Tsirkin wrote:
> cpuid eax should return the max leaf so that
> guests can find out the valid range.
> This matches Xen et al.
>
> Tested using -cpu kvm64.
>
> Signed-off-by: Michael S. Tsirkin <address@hidden>
> ---
> target-i386/kvm.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/target-i386/kvm.c b/target-i386/kvm.c
> index e74a9e4..c097248 100644
> --- a/target-i386/kvm.c
> +++ b/target-i386/kvm.c
> @@ -379,7 +379,7 @@ int kvm_arch_init_vcpu(CPUX86State *env)
> c->function = KVM_CPUID_SIGNATURE;
> if (!hyperv_enabled()) {
> memcpy(signature, "KVMKVMKVM\0\0\0", 12);
> - c->eax = 0;
> + c->eax = KVM_CPUID_FEATURES;
> } else {
> memcpy(signature, "Microsoft Hv", 12);
> c->eax = HYPERV_CPUID_MIN;
Should only change for -M 1.1+?
--
error compiling committee.c: too many arguments to function
- Re: [Qemu-devel] [PATCH] qemu: fix cpuid eax for kvm cpu,
Avi Kivity <=