search for: tsc_mode_pvrdtscp

Displaying 1 result from an estimated 1 matches for "tsc_mode_pvrdtscp".

2011 Jul 04
0
[PATCH] Don''t expose CPUID time leaf when not using PVRDTSCP
...id struct domain *d = current->domain; /* Optionally shift out of the way of Viridian architectural leaves. */ uint32_t base = is_viridian_domain(d) ? 0x40000100 : 0x40000000; + uint32_t limit; idx -= base; - if ( idx > 3 ) + + limit = (d->arch.tsc_mode < TSC_MODE_PVRDTSCP) ? 2 : 3; + + if ( idx > limit ) return 0; switch ( idx ) { case 0: - *eax = base + 3; /* Largest leaf */ + *eax = base + limit; /* Largest leaf */ *ebx = XEN_CPUID_SIGNATURE_EBX; *ecx = XEN_CPUID_SIGNATURE_ECX; *edx = XEN_CP...