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Commit 8d753f36 authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: Fix cpuid feature misreporting 



MTRR, PAT, MCE, and MCA are all supported (to some extent) but not reported.
Vista requires these features, so if userspace relies on kernel cpuid
reporting, it loses support for Vista.

Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent d6a8c875

arch/x86/kvm/x86.c

+5 −2
Original line number Original line Diff line number Diff line
@@ -1254,9 +1254,12 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, 
		bit(X86_FEATURE_VME) | bit(X86_FEATURE_DE) |

		bit(X86_FEATURE_VME) | bit(X86_FEATURE_DE) |

		bit(X86_FEATURE_PSE) | bit(X86_FEATURE_TSC) |

		bit(X86_FEATURE_PSE) | bit(X86_FEATURE_TSC) |

		bit(X86_FEATURE_MSR) | bit(X86_FEATURE_PAE) |

		bit(X86_FEATURE_MSR) | bit(X86_FEATURE_PAE) |

		bit(X86_FEATURE_MCE) |

		bit(X86_FEATURE_CX8) | bit(X86_FEATURE_APIC) |

		bit(X86_FEATURE_CX8) | bit(X86_FEATURE_APIC) |

		bit(X86_FEATURE_SEP) | bit(X86_FEATURE_PGE) |

		bit(X86_FEATURE_SEP) | bit(X86_FEATURE_MTRR) |

		bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PSE36) |

		bit(X86_FEATURE_PGE) | bit(X86_FEATURE_MCA) |

		bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PAT) |

		bit(X86_FEATURE_PSE36) |

		bit(X86_FEATURE_CLFLSH) | bit(X86_FEATURE_MMX) |

		bit(X86_FEATURE_CLFLSH) | bit(X86_FEATURE_MMX) |

		bit(X86_FEATURE_FXSR) | bit(X86_FEATURE_XMM) |

		bit(X86_FEATURE_FXSR) | bit(X86_FEATURE_XMM) |

		bit(X86_FEATURE_XMM2) | bit(X86_FEATURE_SELFSNOOP);

		bit(X86_FEATURE_XMM2) | bit(X86_FEATURE_SELFSNOOP);