Merge branch 'merge'

3 files changed, 19 insertions, 24 deletions

diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 0e6339ee45a..903115d67fd 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -93,8 +93,7 @@ static void request_ras_irqs(struct device_node *np,
 		for (i = 0; i < opicplen; i++) {
 			if (count > 15)
 				break;
-			virqs[count] = irq_create_mapping(NULL, *(opicprop++),
-							 IRQ_TYPE_NONE);
+			virqs[count] = irq_create_mapping(NULL, *(opicprop++));
 			if (virqs[count] == NO_IRQ)
 				printk(KERN_ERR "Unable to allocate interrupt "
 				       "number for %s\n", np->full_name);
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 927e0a423b8..de214d86ff4 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -501,7 +501,8 @@ static void pseries_dedicated_idle_sleep(void)
 	}
 
 	/*
-	 * Cede if the other thread is not idle, so that it can
+	 * If not SMT, cede processor.  If CPU is running SMT
+	 * cede if the other thread is not idle, so that it can
 	 * go single-threaded.  If the other thread is idle,
 	 * we ask the hypervisor if it has pending work it
 	 * wants to do and cede if it does.  Otherwise we keep
@@ -514,7 +515,8 @@ static void pseries_dedicated_idle_sleep(void)
 	 * very low priority.  The cede enables interrupts, which
 	 * doesn't matter here.
 	 */
-	if (!lppaca[cpu ^ 1].idle || poll_pending() == H_PENDING)
+	if (!cpu_has_feature(CPU_FTR_SMT) || !lppaca[cpu ^ 1].idle
+	    || poll_pending() == H_PENDING)
 		cede_processor();
 
 out:
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 75642104944..1eab4688be1 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -502,16 +502,9 @@ static int xics_host_match(struct irq_host *h, struct device_node *node)
 }
 
 static int xics_host_map_direct(struct irq_host *h, unsigned int virq,
-				irq_hw_number_t hw, unsigned int flags)
+				irq_hw_number_t hw)
 {
-	unsigned int sense = flags & IRQ_TYPE_SENSE_MASK;
-
-	pr_debug("xics: map_direct virq %d, hwirq 0x%lx, flags: 0x%x\n",
-		 virq, hw, flags);
-
-	if (sense && sense != IRQ_TYPE_LEVEL_LOW)
-		printk(KERN_WARNING "xics: using unsupported sense 0x%x"
-		       " for irq %d (h: 0x%lx)\n", flags, virq, hw);
+	pr_debug("xics: map_direct virq %d, hwirq 0x%lx\n", virq, hw);
 
 	get_irq_desc(virq)->status |= IRQ_LEVEL;
 	set_irq_chip_and_handler(virq, &xics_pic_direct, handle_fasteoi_irq);
@@ -519,16 +512,9 @@ static int xics_host_map_direct(struct irq_host *h, unsigned int virq,
 }
 
 static int xics_host_map_lpar(struct irq_host *h, unsigned int virq,
-			      irq_hw_number_t hw, unsigned int flags)
+			      irq_hw_number_t hw)
 {
-	unsigned int sense = flags & IRQ_TYPE_SENSE_MASK;
-
-	pr_debug("xics: map_lpar virq %d, hwirq 0x%lx, flags: 0x%x\n",
-		 virq, hw, flags);
-
-	if (sense && sense != IRQ_TYPE_LEVEL_LOW)
-		printk(KERN_WARNING "xics: using unsupported sense 0x%x"
-		       " for irq %d (h: 0x%lx)\n", flags, virq, hw);
+	pr_debug("xics: map_direct virq %d, hwirq 0x%lx\n", virq, hw);
 
 	get_irq_desc(virq)->status |= IRQ_LEVEL;
 	set_irq_chip_and_handler(virq, &xics_pic_lpar, handle_fasteoi_irq);
@@ -757,7 +743,7 @@ void xics_request_IPIs(void)
 {
 	unsigned int ipi;
 
-	ipi = irq_create_mapping(xics_host, XICS_IPI, 0);
+	ipi = irq_create_mapping(xics_host, XICS_IPI);
 	BUG_ON(ipi == NO_IRQ);
 
 	/*
@@ -783,6 +769,14 @@ void xics_teardown_cpu(int secondary)
 	xics_set_cpu_priority(cpu, 0);
 
 	/*
+	 * Clear IPI
+	 */
+	if (firmware_has_feature(FW_FEATURE_LPAR))
+		lpar_qirr_info(cpu, 0xff);
+	else
+		direct_qirr_info(cpu, 0xff);
+
+	/*
 	 * we need to EOI the IPI if we got here from kexec down IPI
 	 *
 	 * probably need to check all the other interrupts too
@@ -795,7 +789,7 @@ void xics_teardown_cpu(int secondary)
 		return;
 	desc = get_irq_desc(ipi);
 	if (desc->chip && desc->chip->eoi)
-		desc->chip->eoi(XICS_IPI);
+		desc->chip->eoi(ipi);
 
 	/*
 	 * Some machines need to have at least one cpu in the GIQ,