--- xen-unstable/./xen/arch/x86/traps.c 2009-09-14 12:15:46.000000000 -0500 +++ xen-hpage/./xen/arch/x86/traps.c 2009-09-14 12:18:42.000000000 -0500 @@ -752,8 +752,7 @@ static void pv_cpuid(struct cpu_user_reg __clear_bit(X86_FEATURE_VME, &d); if ( !cpu_has_apic ) __clear_bit(X86_FEATURE_APIC, &d); - if ( !opt_allow_hugepage ) - __clear_bit(X86_FEATURE_PSE, &d); + __clear_bit(X86_FEATURE_PSE, &d); __clear_bit(X86_FEATURE_PGE, &d); __clear_bit(X86_FEATURE_PSE36, &d); } @@ -2064,12 +2063,9 @@ static int emulate_privileged_op(struct case 4: /* Read CR4 */ /* * Guests can read CR4 to see what features Xen has enabled. We - * therefore lie about PGE as it is unavailable to guests. - * Also disallow PSE if hugepages are not enabled. + * therefore lie about PGE and PSE as they are unavailable to guests. */ - *reg = read_cr4() & ~X86_CR4_PGE; - if ( !opt_allow_hugepage ) - *reg &= ~X86_CR4_PSE; + *reg = read_cr4() & ~(X86_CR4_PGE|X86_CR4_PSE); break; default: