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Re: [Qemu-devel] [PATCH v3] uq/master: Expose CPUID leaf 7 only for -cpu
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-devel] [PATCH v3] uq/master: Expose CPUID leaf 7 only for -cpu host |
Date: |
Fri, 25 May 2012 11:56:07 -0300 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, May 25, 2012 at 11:42:00AM -0300, Jan Kiszka wrote:
> On 2012-05-25 11:12, Eduardo Habkost wrote:
> > diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> > index 65d9af6..91a657a 100644
> > --- a/target-i386/cpu.c
> > +++ b/target-i386/cpu.c
> > @@ -238,6 +238,8 @@ typedef struct x86_def_t {
> > /* Store the results of Centaur's CPUID instructions */
> > uint32_t ext4_features;
> > uint32_t xlevel2;
> > + /* The feature bits on CPUID[EAX=7,ECX=0].EBX */
> > + uint32_t cpuid_7_0_ebx_features;
> > } x86_def_t;
> >
> > #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
> > @@ -521,6 +523,12 @@ static int cpu_x86_fill_host(x86_def_t *x86_cpu_def)
> > x86_cpu_def->ext_features = ecx;
> > x86_cpu_def->features = edx;
> >
> > + if (kvm_enabled() && x86_cpu_def->level >= 7) {
> > + x86_cpu_def->cpuid_7_0_ebx_features =
> > kvm_arch_get_supported_cpuid(kvm_state, 0x7, 0, R_EBX);
>
> checkpatch.pl?
Fixed and sent v4.
--
Eduardo