3 files changed, 32 insertions, 23 deletions

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 5b206a2fe17c..b3fd081d56f5 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -283,23 +283,24 @@ static void __iomem *rio_regs_win;
 #ifdef CONFIG_E500
 int fsl_rio_mcheck_exception(struct pt_regs *regs)
 {
-	const struct exception_table_entry *entry = NULL;
-	unsigned long reason = mfspr(SPRN_MCSR);
-
-	if (reason & MCSR_BUS_RBERR) {
-		reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
-		if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
-			/* Check if we are prepared to handle this fault */
-			entry = search_exception_tables(regs->nip);
-			if (entry) {
-				pr_debug("RIO: %s - MC Exception handled\n",
-					 __func__);
-				out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR),
-					 0);
-				regs->msr |= MSR_RI;
-				regs->nip = entry->fixup;
-				return 1;
-			}
+	const struct exception_table_entry *entry;
+	unsigned long reason;
+
+	if (!rio_regs_win)
+		return 0;
+
+	reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
+	if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
+		/* Check if we are prepared to handle this fault */
+		entry = search_exception_tables(regs->nip);
+		if (entry) {
+			pr_debug("RIO: %s - MC Exception handled\n",
+				 __func__);
+			out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR),
+				 0);
+			regs->msr |= MSR_RI;
+			regs->nip = entry->fixup;
+			return 1;
 		}
 	}
 
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3a8de5bb628a..58d7a534f877 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -29,6 +29,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/syscore_ops.h>
+#include <linux/ratelimit.h>
 
 #include <asm/ptrace.h>
 #include <asm/signal.h>
@@ -1648,9 +1649,8 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
 		return NO_IRQ;
 	}
 	if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
-		if (printk_ratelimit())
-			printk(KERN_WARNING "%s: Got protected source %d !\n",
-			       mpic->name, (int)src);
+		printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
+				   mpic->name, (int)src);
 		mpic_eoi(mpic);
 		return NO_IRQ;
 	}
@@ -1688,9 +1688,8 @@ unsigned int mpic_get_coreint_irq(void)
 		return NO_IRQ;
 	}
 	if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
-		if (printk_ratelimit())
-			printk(KERN_WARNING "%s: Got protected source %d !\n",
-			       mpic->name, (int)src);
+		printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
+				   mpic->name, (int)src);
 		return NO_IRQ;
 	}
 
diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c
index 1f15ad436140..ba382b59b926 100644
--- a/arch/powerpc/sysdev/xics/icp-native.c
+++ b/arch/powerpc/sysdev/xics/icp-native.c
@@ -17,6 +17,7 @@
 #include <linux/cpu.h>
 #include <linux/of.h>
 #include <linux/spinlock.h>
+#include <linux/module.h>
 
 #include <asm/prom.h>
 #include <asm/io.h>
@@ -24,6 +25,7 @@
 #include <asm/irq.h>
 #include <asm/errno.h>
 #include <asm/xics.h>
+#include <asm/kvm_ppc.h>
 
 struct icp_ipl {
 	union {
@@ -139,6 +141,12 @@ static void icp_native_cause_ipi(int cpu, unsigned long data)
 	icp_native_set_qirr(cpu, IPI_PRIORITY);
 }
 
+void xics_wake_cpu(int cpu)
+{
+	icp_native_set_qirr(cpu, IPI_PRIORITY);
+}
+EXPORT_SYMBOL_GPL(xics_wake_cpu);
+
 static irqreturn_t icp_native_ipi_action(int irq, void *dev_id)
 {
 	int cpu = smp_processor_id();
@@ -185,6 +193,7 @@ static int __init icp_native_map_one_cpu(int hw_id, unsigned long addr,
 	}
 
 	icp_native_regs[cpu] = ioremap(addr, size);
+	kvmppc_set_xics_phys(cpu, addr);
 	if (!icp_native_regs[cpu]) {
 		pr_warning("icp_native: Failed ioremap for CPU %d, "
 			   "interrupt server #0x%x, addr %#lx\n",