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KVM: PPC: Book3S PR: Fix compilation without CONFIG_ALTIVEC

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Commit 9d1ffdd8f3 ("KVM: PPC: Book3S PR: Don't corrupt guest state
when kernel uses VMX") added a call to kvmppc_load_up_altivec() that
isn't guarded by CONFIG_ALTIVEC, causing a link failure when building
a kernel without CONFIG_ALTIVEC set.  This adds an #ifdef to fix this.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Paul Mackerras 2013-09-20 14:52:42 +10:00 committed by Alexander Graf
parent f3271d4c90
commit f24817716e
1 changed files with 2 additions and 0 deletions
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arch/powerpc/kvm/book3s_pr.c
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@ -619,8 +619,10 @@ static void kvmppc_handle_lost_ext(struct kvm_vcpu *vcpu)
if (lost_ext & MSR_FP)
kvmppc_load_up_fpu();
#ifdef CONFIG_ALTIVEC
if (lost_ext & MSR_VEC)
kvmppc_load_up_altivec();
#endif
current->thread.regs->msr |= lost_ext;
}