20 files changed, 93 insertions, 121 deletions

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 778f22fd85d..dbcb85994f4 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -22,6 +22,7 @@
 #include <linux/elf.h>
 #include <linux/elfcore.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/types.h>
 
 #include <asm/processor.h>
@@ -174,6 +175,8 @@ static void crash_kexec_prepare_cpus(void)
 
 void default_machine_crash_shutdown(struct pt_regs *regs)
 {
+	unsigned int irq;
+
 	/*
 	 * This function is only called after the system
 	 * has paniced or is otherwise in a critical state.
@@ -186,6 +189,16 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
 	 */
 	local_irq_disable();
 
+	for_each_irq(irq) {
+		struct irq_desc *desc = irq_descp(irq);
+
+		if (desc->status & IRQ_INPROGRESS)
+			desc->handler->end(irq);
+
+		if (!(desc->status & IRQ_DISABLED))
+			desc->handler->disable(irq);
+	}
+
 	if (ppc_md.kexec_cpu_down)
 		ppc_md.kexec_cpu_down(1, 0);
 
diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c
index fd8214caede..a13a93dfc65 100644
--- a/arch/powerpc/kernel/iomap.c
+++ b/arch/powerpc/kernel/iomap.c
@@ -106,8 +106,6 @@ EXPORT_SYMBOL(iowrite32_rep);
 
 void __iomem *ioport_map(unsigned long port, unsigned int len)
 {
-	if (!_IO_IS_VALID(port))
-		return NULL;
 	return (void __iomem *) (port+pci_io_base);
 }
 
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 4c4449be81c..e1b3b3ef191 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -42,14 +42,6 @@
 unsigned long pci_probe_only = 1;
 int pci_assign_all_buses = 0;
 
-/*
- * legal IO pages under MAX_ISA_PORT.  This is to ensure we don't touch
- * devices we don't have access to.
- */
-unsigned long io_page_mask;
-
-EXPORT_SYMBOL(io_page_mask);
-
 #ifdef CONFIG_PPC_MULTIPLATFORM
 static void fixup_resource(struct resource *res, struct pci_dev *dev);
 static void do_bus_setup(struct pci_bus *bus);
@@ -605,7 +597,7 @@ static int __init pcibios_init(void)
 	iSeries_pcibios_init(); 
 #endif
 
-	printk("PCI: Probing PCI hardware\n");
+	printk(KERN_DEBUG "PCI: Probing PCI hardware\n");
 
 	/* Scan all of the recorded PCI controllers.  */
 	list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
@@ -630,14 +622,14 @@ static int __init pcibios_init(void)
 	/* Cache the location of the ISA bridge (if we have one) */
 	ppc64_isabridge_dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL);
 	if (ppc64_isabridge_dev != NULL)
-		printk("ISA bridge at %s\n", pci_name(ppc64_isabridge_dev));
+		printk(KERN_DEBUG "ISA bridge at %s\n", pci_name(ppc64_isabridge_dev));
 
 #ifdef CONFIG_PPC_MULTIPLATFORM
 	/* map in PCI I/O space */
 	phbs_remap_io();
 #endif
 
-	printk("PCI: Probing PCI hardware done\n");
+	printk(KERN_DEBUG "PCI: Probing PCI hardware done\n");
 
 	return 0;
 }
@@ -804,7 +796,7 @@ static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp,
 	else
 		prot |= _PAGE_GUARDED;
 
-	printk("PCI map for %s:%lx, prot: %lx\n", pci_name(dev), rp->start,
+	printk(KERN_DEBUG "PCI map for %s:%lx, prot: %lx\n", pci_name(dev), rp->start,
 	       prot);
 
 	return __pgprot(prot);
@@ -1104,8 +1096,6 @@ void __init pci_setup_phb_io(struct pci_controller *hose, int primary)
 			pci_process_ISA_OF_ranges(isa_dn, hose->io_base_phys,
 						hose->io_base_virt);
 			of_node_put(isa_dn);
-			/* Allow all IO */
-			io_page_mask = -1;
 		}
 	}
 
@@ -1212,7 +1202,7 @@ int remap_bus_range(struct pci_bus *bus)
 		return 1;
 	if (start_phys == 0)
 		return 1;
-	printk("mapping IO %lx -> %lx, size: %lx\n", start_phys, start_virt, size);
+	printk(KERN_DEBUG "mapping IO %lx -> %lx, size: %lx\n", start_phys, start_virt, size);
 	if (__ioremap_explicit(start_phys, start_virt, size,
 			       _PAGE_NO_CACHE | _PAGE_GUARDED))
 		return 1;
@@ -1232,27 +1222,13 @@ static void phbs_remap_io(void)
 static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev)
 {
 	struct pci_controller *hose = pci_bus_to_host(dev->bus);
-	unsigned long start, end, mask, offset;
+	unsigned long offset;
 
 	if (res->flags & IORESOURCE_IO) {
 		offset = (unsigned long)hose->io_base_virt - pci_io_base;
 
-		start = res->start += offset;
-		end = res->end += offset;
-
-		/* Need to allow IO access to pages that are in the
-		   ISA range */
-		if (start < MAX_ISA_PORT) {
-			if (end > MAX_ISA_PORT)
-				end = MAX_ISA_PORT;
-
-			start >>= PAGE_SHIFT;
-			end >>= PAGE_SHIFT;
-
-			/* get the range of pages for the map */
-			mask = ((1 << (end+1)) - 1) ^ ((1 << start) - 1);
-			io_page_mask |= mask;
-		}
+		res->start += offset;
+		res->end += offset;
 	} else if (res->flags & IORESOURCE_MEM) {
 		res->start += hose->pci_mem_offset;
 		res->end += hose->pci_mem_offset;
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 24e3ad756de..528e7f84cb6 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -76,7 +76,6 @@
 
 /* keep track of when we need to update the rtc */
 time_t last_rtc_update;
-extern int piranha_simulator;
 #ifdef CONFIG_PPC_ISERIES
 unsigned long iSeries_recal_titan = 0;
 unsigned long iSeries_recal_tb = 0; 
@@ -945,9 +944,9 @@ void __init time_init(void)
 	} else {
 		/* Normal PowerPC with timebase register */
 		ppc_md.calibrate_decr();
-		printk(KERN_INFO "time_init: decrementer frequency = %lu.%.6lu MHz\n",
+		printk(KERN_DEBUG "time_init: decrementer frequency = %lu.%.6lu MHz\n",
 		       ppc_tb_freq / 1000000, ppc_tb_freq % 1000000);
-		printk(KERN_INFO "time_init: processor frequency   = %lu.%.6lu MHz\n",
+		printk(KERN_DEBUG "time_init: processor frequency   = %lu.%.6lu MHz\n",
 		       ppc_proc_freq / 1000000, ppc_proc_freq % 1000000);
 		tb_last_stamp = tb_last_jiffy = get_tb();
 	}
@@ -1010,10 +1009,7 @@ void __init time_init(void)
 	tb_to_ns_scale = scale;
 	tb_to_ns_shift = shift;
 
-#ifdef CONFIG_PPC_ISERIES
-	if (!piranha_simulator)
-#endif
-		tm = get_boot_time();
+	tm = get_boot_time();
 
 	write_seqlock_irqsave(&xtime_lock, flags);
 
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index c006d903963..b43ed92ef47 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -319,7 +319,7 @@ static void __init htab_init_page_sizes(void)
 		mmu_virtual_psize = MMU_PAGE_64K;
 #endif
 
-	printk(KERN_INFO "Page orders: linear mapping = %d, others = %d\n",
+	printk(KERN_DEBUG "Page orders: linear mapping = %d, others = %d\n",
 	       mmu_psize_defs[mmu_linear_psize].shift,
 	       mmu_psize_defs[mmu_virtual_psize].shift);
 
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 741dd8802d4..69f3b9a20be 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -299,9 +299,9 @@ void __init paging_init(void)
 	kmap_prot = PAGE_KERNEL;
 #endif /* CONFIG_HIGHMEM */
 
-	printk(KERN_INFO "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
+	printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
 	       top_of_ram, total_ram);
-	printk(KERN_INFO "Memory hole size: %ldMB\n",
+	printk(KERN_DEBUG "Memory hole size: %ldMB\n",
 	       (top_of_ram - total_ram) >> 20);
 	/*
 	 * All pages are DMA-able so we put them all in the DMA zone.
@@ -380,7 +380,7 @@ void __init mem_init(void)
 			totalhigh_pages++;
 		}
 		totalram_pages += totalhigh_pages;
-		printk(KERN_INFO "High memory: %luk\n",
+		printk(KERN_DEBUG "High memory: %luk\n",
 		       totalhigh_pages << (PAGE_SHIFT-10));
 	}
 #endif /* CONFIG_HIGHMEM */
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 0a335f34974..ea816c618a7 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -465,9 +465,9 @@ static void __init setup_nonnuma(void)
 	unsigned long total_ram = lmb_phys_mem_size();
 	unsigned int i;
 
-	printk(KERN_INFO "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
+	printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
 	       top_of_ram, total_ram);
-	printk(KERN_INFO "Memory hole size: %ldMB\n",
+	printk(KERN_DEBUG "Memory hole size: %ldMB\n",
 	       (top_of_ram - total_ram) >> 20);
 
 	for (i = 0; i < lmb.memory.cnt; ++i)
@@ -485,7 +485,7 @@ void __init dump_numa_cpu_topology(void)
 		return;
 
 	for_each_online_node(node) {
-		printk(KERN_INFO "Node %d CPUs:", node);
+		printk(KERN_DEBUG "Node %d CPUs:", node);
 
 		count = 0;
 		/*
@@ -521,7 +521,7 @@ static void __init dump_numa_memory_topology(void)
 	for_each_online_node(node) {
 		unsigned long i;
 
-		printk(KERN_INFO "Node %d Memory:", node);
+		printk(KERN_DEBUG "Node %d Memory:", node);
 
 		count = 0;
 
diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index 5b1de7e8041..38a2f9c1718 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -162,7 +162,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	ops->stop = op_powerpc_stop;
 	ops->backtrace = op_powerpc_backtrace;
 
-	printk(KERN_INFO "oprofile: using %s performance monitoring.\n",
+	printk(KERN_DEBUG "oprofile: using %s performance monitoring.\n",
 	       ops->cpu_type);
 
 	return 0;
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index d771b8ee857..1a2c2a50f92 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -45,7 +45,6 @@
 
 #include "setup.h"
 
-extern int piranha_simulator;
 static int mf_initialized;
 
 /*
@@ -658,7 +657,7 @@ static void mf_clear_src(void)
 
 void __init mf_display_progress(u16 value)
 {
-	if (piranha_simulator || !mf_initialized)
+	if (!mf_initialized)
 		return;
 
 	if (0xFFFF == value)
@@ -1295,9 +1294,6 @@ __initcall(mf_proc_init);
  */
 void iSeries_get_rtc_time(struct rtc_time *rtc_tm)
 {
-	if (piranha_simulator)
-		return;
-
 	mf_get_rtc(rtc_tm);
 	rtc_tm->tm_mon--;
 }
@@ -1316,9 +1312,6 @@ unsigned long iSeries_get_boot_time(void)
 {
 	struct rtc_time tm;
 
-	if (piranha_simulator)
-		return 0;
-
 	mf_get_boot_rtc(&tm);
 	return mktime(tm.tm_year + 1900, tm.tm_mon, tm.tm_mday,
 		      tm.tm_hour, tm.tm_min, tm.tm_sec);
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index a19833b880e..5a61c6fdb33 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -45,8 +45,6 @@
 #include "call_pci.h"
 #include "iommu.h"
 
-extern unsigned long io_page_mask;
-
 /*
  * Forward declares of prototypes.
  */
@@ -277,7 +275,6 @@ void iSeries_pcibios_init(void)
 {
 	iomm_table_initialize();
 	find_and_init_phbs();
-	io_page_mask = -1;
 }
 
 /*
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index a6fd9bedb07..3c51448a185 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -81,9 +81,6 @@ extern void iSeries_pci_final_fixup(void);
 static void iSeries_pci_final_fixup(void) { }
 #endif
 
-/* Global Variables */
-int piranha_simulator;
-
 extern int rd_size;		/* Defined in drivers/block/rd.c */
 extern unsigned long embedded_sysmap_start;
 extern unsigned long embedded_sysmap_end;
@@ -340,8 +337,6 @@ static void __init iSeries_init_early(void)
 #ifdef CONFIG_SMP
 	smp_init_iSeries();
 #endif
-	if (itLpNaca.xPirEnvironMode == 0)
-		piranha_simulator = 1;
 
 	/* Associate Lp Event Queue 0 with processor 0 */
 	HvCallEvent_setLpEventQueueInterruptProc(0, 0);
@@ -536,10 +531,10 @@ static void __init iSeries_setup_arch(void)
 {
 	if (get_lppaca()->shared_proc) {
 		ppc_md.idle_loop = iseries_shared_idle;
-		printk(KERN_INFO "Using shared processor idle loop\n");
+		printk(KERN_DEBUG "Using shared processor idle loop\n");
 	} else {
 		ppc_md.idle_loop = iseries_dedicated_idle;
-		printk(KERN_INFO "Using dedicated idle loop\n");
+		printk(KERN_DEBUG "Using dedicated idle loop\n");
 	}
 
 	/* Setup the Lp Event Queue */
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index 85d6c93659c..9a4efc0c3b2 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -437,9 +437,6 @@ void __init maple_pci_init(void)
 
 	/* Tell pci.c to not change any resource allocations.  */
 	pci_probe_only = 1;
-	
-	/* Allow all IO */
-	io_page_mask = -1;
 }
 
 int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel)
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 24c0aef4ea3..a0505ea48a8 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -189,7 +189,7 @@ void __init maple_setup_arch(void)
 	conswitchp = &dummy_con;
 #endif
 
-	printk(KERN_INFO "Using native/NAP idle loop\n");
+	printk(KERN_DEBUG "Using native/NAP idle loop\n");
 }
 
 /* 
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index a5063cd675c..85e00cb0006 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -2510,7 +2510,7 @@ found:
 		if (get_property(np, "flush-on-lock", NULL))
 			break;
 		powersave_nap = 1;
-		printk(KERN_INFO "Processor NAP mode on idle enabled.\n");
+		printk(KERN_DEBUG "Processor NAP mode on idle enabled.\n");
 		break;
 	}
 
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index f5d8d15d74f..3212618e790 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -1068,9 +1068,6 @@ void __init pmac_pci_init(void)
 	/* Tell pci.c to not use the common resource allocation mechanism */
 	pci_probe_only = 1;
 
-	/* Allow all IO */
-	io_page_mask = -1;
-
 #else /* CONFIG_PPC64 */
 	init_p2pbridge();
 	fixup_nec_usb2();
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 1fba695e32e..2a9eb263073 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -23,9 +23,8 @@
  *
  */
 #include <linux/delay.h>
-#include <linux/irq.h>
 #include <linux/interrupt.h>
-#include <linux/notifier.h>
+#include <linux/irq.h>
 #include <linux/pci.h>
 #include <asm/eeh.h>
 #include <asm/eeh_event.h>
@@ -250,7 +249,7 @@ static int eeh_reset_device (struct pci_dn *pe_dn, struct pci_bus *bus)
  */
 #define MAX_WAIT_FOR_RECOVERY 15
 
-void handle_eeh_events (struct eeh_event *event)
+struct pci_dn * handle_eeh_events (struct eeh_event *event)
 {
 	struct device_node *frozen_dn;
 	struct pci_dn *frozen_pdn;
@@ -265,7 +264,7 @@ void handle_eeh_events (struct eeh_event *event)
 	if (!frozen_dn) {
 		printk(KERN_ERR "EEH: Error: Cannot find partition endpoint for %s\n",
 		        pci_name(event->dev));
-		return;
+		return NULL;
 	}
 
 	/* There are two different styles for coming up with the PE.
@@ -280,7 +279,7 @@ void handle_eeh_events (struct eeh_event *event)
 	if (!frozen_bus) {
 		printk(KERN_ERR "EEH: Cannot find PCI bus for %s\n",
 		        frozen_dn->full_name);
-		return;
+		return NULL;
 	}
 
 #if 0
@@ -355,7 +354,7 @@ void handle_eeh_events (struct eeh_event *event)
 	/* Tell all device drivers that they can resume operations */
 	pci_walk_bus(frozen_bus, eeh_report_resume, NULL);
 
-	return;
+	return frozen_pdn;
 	
 excess_failures:
 	/*
@@ -384,6 +383,8 @@ perm_error:
 
 	/* Shut down the device drivers for good. */
 	pcibios_remove_pci_devices(frozen_bus);
+
+	return NULL;
 }
 
 /* ---------- end of file ---------- */
diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c
index a1bda6f96fd..a0b39640a00 100644
--- a/arch/powerpc/platforms/pseries/eeh_event.c
+++ b/arch/powerpc/platforms/pseries/eeh_event.c
@@ -18,6 +18,7 @@
  * Copyright (c) 2005 Linas Vepstas <linas@linas.org>
  */
 
+#include <linux/delay.h>
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/pci.h>
@@ -56,38 +57,43 @@ static int eeh_event_handler(void * dummy)
 {
 	unsigned long flags;
 	struct eeh_event	*event;
+	struct pci_dn *pdn;
 
 	daemonize ("eehd");
+	set_current_state(TASK_INTERRUPTIBLE);
 
-	while (1) {
-		set_current_state(TASK_INTERRUPTIBLE);
+	spin_lock_irqsave(&eeh_eventlist_lock, flags);
+	event = NULL;
 
-		spin_lock_irqsave(&eeh_eventlist_lock, flags);
-		event = NULL;
+	/* Unqueue the event, get ready to process. */
+	if (!list_empty(&eeh_eventlist)) {
+		event = list_entry(eeh_eventlist.next, struct eeh_event, list);
+		list_del(&event->list);
+	}
+	spin_unlock_irqrestore(&eeh_eventlist_lock, flags);
 
-		/* Unqueue the event, get ready to process. */
-		if (!list_empty(&eeh_eventlist)) {
-			event = list_entry(eeh_eventlist.next, struct eeh_event, list);
-			list_del(&event->list);
-		}
-		spin_unlock_irqrestore(&eeh_eventlist_lock, flags);
+	if (event == NULL)
+		return 0;
 
-		if (event == NULL)
-			break;
+	/* Serialize processing of EEH events */
+	mutex_lock(&eeh_event_mutex);
+	eeh_mark_slot(event->dn, EEH_MODE_RECOVERING);
 
-		/* Serialize processing of EEH events */
-		mutex_lock(&eeh_event_mutex);
-		eeh_mark_slot(event->dn, EEH_MODE_RECOVERING);
+	printk(KERN_INFO "EEH: Detected PCI bus error on device %s\n",
+	       pci_name(event->dev));
 
-		printk(KERN_INFO "EEH: Detected PCI bus error on device %s\n",
-		       pci_name(event->dev));
+	pdn = handle_eeh_events(event);
 
-		handle_eeh_events(event);
+	eeh_clear_slot(event->dn, EEH_MODE_RECOVERING);
+	pci_dev_put(event->dev);
+	kfree(event);
+	mutex_unlock(&eeh_event_mutex);
 
-		eeh_clear_slot(event->dn, EEH_MODE_RECOVERING);
-		pci_dev_put(event->dev);
-		kfree(event);
-		mutex_unlock(&eeh_event_mutex);
+	/* If there are no new errors after an hour, clear the counter. */
+	if (pdn && pdn->eeh_freeze_count>0) {
+		msleep_interruptible (3600*1000);
+		if (pdn->eeh_freeze_count>0)
+			pdn->eeh_freeze_count--;
 	}
 
 	return 0;
diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c
index e0000ce769e..2e4e04042d8 100644
--- a/arch/powerpc/platforms/pseries/rtasd.c
+++ b/arch/powerpc/platforms/pseries/rtasd.c
@@ -348,7 +348,7 @@ static int enable_surveillance(int timeout)
 		return 0;
 
 	if (error == -EINVAL) {
-		printk(KERN_INFO "rtasd: surveillance not supported\n");
+		printk(KERN_DEBUG "rtasd: surveillance not supported\n");
 		return 0;
 	}
 
@@ -440,7 +440,7 @@ static int rtasd(void *unused)
 		goto error;
 	}
 
-	printk(KERN_INFO "RTAS daemon started\n");
+	printk(KERN_DEBUG "RTAS daemon started\n");
 
 	DEBUG("will sleep for %d milliseconds\n", (30000/rtas_event_scan_rate));
 
@@ -487,7 +487,7 @@ static int __init rtas_init(void)
 
 	/* No RTAS */
 	if (rtas_token("event-scan") == RTAS_UNKNOWN_SERVICE) {
-		printk(KERN_INFO "rtasd: no event-scan on system\n");
+		printk(KERN_DEBUG "rtasd: no event-scan on system\n");
 		return -ENODEV;
 	}
 
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 5eb55ef1c91..9118d79b7b4 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -235,14 +235,14 @@ static void __init pSeries_setup_arch(void)
 	if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
 		vpa_init(boot_cpuid);
 		if (get_lppaca()->shared_proc) {
-			printk(KERN_INFO "Using shared processor idle loop\n");
+			printk(KERN_DEBUG "Using shared processor idle loop\n");
 			ppc_md.power_save = pseries_shared_idle_sleep;
 		} else {
-			printk(KERN_INFO "Using dedicated idle loop\n");
+			printk(KERN_DEBUG "Using dedicated idle loop\n");
 			ppc_md.power_save = pseries_dedicated_idle_sleep;
 		}
 	} else {
-		printk(KERN_INFO "Using default idle loop\n");
+		printk(KERN_DEBUG "Using default idle loop\n");
 	}
 
 	if (firmware_has_feature(FW_FEATURE_LPAR))
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 2d60ea30fed..b14f9b5c114 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -522,7 +522,7 @@ nextnode:
 
 	np = of_find_node_by_type(NULL, "interrupt-controller");
 	if (!np) {
-		printk(KERN_WARNING "xics: no ISA interrupt controller\n");
+		printk(KERN_DEBUG "xics: no ISA interrupt controller\n");
 		xics_irq_8259_cascade_real = -1;
 		xics_irq_8259_cascade = -1;
 	} else {
@@ -641,23 +641,26 @@ void xics_teardown_cpu(int secondary)
 	ops->cppr_info(cpu, 0x00);
 	iosync();
 
+	/* Clear IPI */
+	ops->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
+	 * should we be flagging idle loop instead?
+	 * or creating some task to be scheduled?
+	 */
+	ops->xirr_info_set(cpu, XICS_IPI);
+
 	/*
 	 * Some machines need to have at least one cpu in the GIQ,
 	 * so leave the master cpu in the group.
 	 */
-	if (secondary) {
-		/*
-		 * we need to EOI the IPI if we got here from kexec down IPI
-		 *
-		 * probably need to check all the other interrupts too
-		 * should we be flagging idle loop instead?
-		 * or creating some task to be scheduled?
-		 */
-		ops->xirr_info_set(cpu, XICS_IPI);
+	if (secondary)
 		rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
 			(1UL << interrupt_server_size) - 1 -
 			default_distrib_server, 0);
-	}
 }
 
 #ifdef CONFIG_HOTPLUG_CPU