PMU virtualization needs to talk to Intel-specific bits of perf; these are only available when CPU_SUP_INTEL=y. Fixes arch/x86/built-in.o: In function `atomic_switch_perf_msrs': vmx.c:(.text+0x6b1d4): undefined reference to `perf_guest_get_msrs' Reported-by: Ingo Molnar <mingo@xxxxxxx> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx> Signed-off-by: Avi Kivity <avi@xxxxxxxxxx> --- arch/x86/kvm/Kconfig | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index ff5790d..ca4d49e 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -52,6 +52,8 @@ config KVM config KVM_INTEL tristate "KVM for Intel processors support" depends on KVM + # for perf_guest_get_msrs(): + depends on CPU_SUP_INTEL ---help--- Provides support for KVM on Intel processors equipped with the VT extensions. -- 1.7.7.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
