Add fields to PACA

For KVM we need to store some information in the PACA, so we
need to extend it.

This patch adds KVM SLB shadow related entries to the PACA and
a field that indicates if we're inside a guest.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 7d8514ceceaeeb54314788ec2018fc375bace078..5e9b4ef71415c70b207769b8a9caa1ff486eea71 100644 (file)
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -129,6 +129,15 @@ struct paca_struct {
        u64 system_time;                /* accumulated system TB ticks */
        u64 startpurr;                  /* PURR/TB value snapshot */
        u64 startspurr;                 /* SPURR value snapshot */
+
+#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
+       struct  {
+               u64     esid;
+               u64     vsid;
+       } kvm_slb[64];                  /* guest SLB */
+       u8 kvm_slb_max;                 /* highest used guest slb entry */
+       u8 kvm_in_guest;                /* are we inside the guest? */
+#endif
 };
 
 extern struct paca_struct paca[];