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authorAlexander Graf <agraf@suse.de>2014-06-20 16:43:36 +0400
committerAlexander Graf <agraf@suse.de>2014-07-28 18:35:53 +0400
commitc12fb43c2f6d6a57a4e21afe74ff56485d699ee7 (patch)
tree4e5b0697bebd43348fa15f116b1c746ef561a9cb /arch/powerpc/include/asm/kvm_booke.h
parentc45c551403f0a7b152e56c53735b954faa36c54c (diff)
downloadlinux-c12fb43c2f6d6a57a4e21afe74ff56485d699ee7.tar.xz
KVM: PPC: Handle magic page in kvmppc_ld/st
We use kvmppc_ld and kvmppc_st to emulate load/store instructions that may as well access the magic page. Special case it out so that we can properly access it. Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/include/asm/kvm_booke.h')
-rw-r--r--arch/powerpc/include/asm/kvm_booke.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_booke.h b/arch/powerpc/include/asm/kvm_booke.h
index cbb19906ca36..f7aa5cc395c4 100644
--- a/arch/powerpc/include/asm/kvm_booke.h
+++ b/arch/powerpc/include/asm/kvm_booke.h
@@ -103,4 +103,14 @@ static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
{
return vcpu->arch.fault_dear;
}
+
+static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu)
+{
+ /* Magic page is only supported on e500v2 */
+#ifdef CONFIG_KVM_E500V2
+ return true;
+#else
+ return false;
+#endif
+}
#endif /* __ASM_KVM_BOOKE_H__ */