| Message ID | 1300285539-30905-1-git-send-email-adam@os.inf.tu-dresden.de |
|---|---|
| State | New |
| Headers | show |
On 03/16/2011 03:25 PM, Adam Lackorzynski wrote: > CPUID claims that extended monitor/mwait features are available but the > mwait helper instantly raises a GPF if they are used. Thus do not announce > that the extension are available. Would be better to just implement mwait, no? Alex > Signed-off-by: Adam Lackorzynski<adam@os.inf.tu-dresden.de> > --- > target-i386/cpuid.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c > index 5382a28..28275a6 100644 > --- a/target-i386/cpuid.c > +++ b/target-i386/cpuid.c > @@ -1104,7 +1104,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, > /* mwait info: needed for Core compatibility */ > *eax = 0; /* Smallest monitor-line size in bytes */ > *ebx = 0; /* Largest monitor-line size in bytes */ > - *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE; > + *ecx = 0; /* Supported extensions */ > *edx = 0; > break; > case 6:
diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c index 5382a28..28275a6 100644 --- a/target-i386/cpuid.c +++ b/target-i386/cpuid.c @@ -1104,7 +1104,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, /* mwait info: needed for Core compatibility */ *eax = 0; /* Smallest monitor-line size in bytes */ *ebx = 0; /* Largest monitor-line size in bytes */ - *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE; + *ecx = 0; /* Supported extensions */ *edx = 0; break; case 6:
CPUID claims that extended monitor/mwait features are available but the mwait helper instantly raises a GPF if they are used. Thus do not announce that the extension are available. Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de> --- target-i386/cpuid.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)