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| author | Guenter Roeck <linux@roeck-us.net> | 2018-08-15 08:38:33 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-17 21:03:47 +0200 |
| commit | a8ac113d444a49a5b8aba80922b3864b699b0b26 (patch) | |
| tree | cc3d116aff16f3c88de3ab636f3e572c1631f5ad | |
| parent | 529bea37411759c2b5b41a187b3020723c67c16d (diff) | |
| download | linux-a8ac113d444a49a5b8aba80922b3864b699b0b26.tar.gz | |
x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled
commit 1eb46908b35dfbac0ec1848d4b1e39667e0187e9 upstream.
allmodconfig+CONFIG_INTEL_KVM=n results in the following build error.
ERROR: "l1tf_vmx_mitigation" [arch/x86/kvm/kvm.ko] undefined!
Fixes: 5b76a3cff011 ("KVM: VMX: Tell the nested hypervisor to skip L1D flush on vmentry")
Reported-by: Meelis Roos <mroos@linux.ee>
Cc: Meelis Roos <mroos@linux.ee>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index c4f0ae49a53d0..664f161f96ff7 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -648,10 +648,9 @@ void x86_spec_ctrl_setup_ap(void) enum l1tf_mitigations l1tf_mitigation __ro_after_init = L1TF_MITIGATION_FLUSH; #if IS_ENABLED(CONFIG_KVM_INTEL) EXPORT_SYMBOL_GPL(l1tf_mitigation); - +#endif enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_AUTO; EXPORT_SYMBOL_GPL(l1tf_vmx_mitigation); -#endif static void __init l1tf_select_mitigation(void) { |