From: Alexander Graf <agraf@suse.de>
Date: Fri, 30 Oct 2009 05:47:22 +0000 (+0000)
Subject: Add fields to PACA
X-Git-Tag: v2.6.33-rc1~293^2~86^2~5
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4b7ae55df3621dd9eef56a6fde953ec9c73ac596;p=karo-tx-linux.git

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 7d8514ceceae..5e9b4ef71415 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[];