From: Avi Kivity <avi@redhat.com>
Date: Wed, 14 Dec 2011 10:27:47 +0000 (+0200)
Subject: KVM: Make KVM_INTEL depend on CPU_SUP_INTEL
X-Git-Tag: firefly_0821_release~3680^2~3783^2~18
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=43771ebfc9d34ab1f74095d052d225a82ae0898c;p=firefly-linux-kernel-4.4.55.git

KVM: Make KVM_INTEL depend on CPU_SUP_INTEL

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@elte.hu>
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index ff5790d8e990..ca4d49ed9a6c 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.