[PATCH 22/27] Add fields to PACA

Alexander Graf
2009-10-30T15:47:22Z

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-l3A5Bk7waGM@public.gmane.org>
---
arch/powerpc/include/asm/paca.h | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 7d8514c..5e9b4ef 100644
--- 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[];
--
1.6.0.2