Merge branch 'master' into upstream

7 files changed, 38 insertions, 29 deletions

diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index ff9ce4b5eaa8..b42f2d914af3 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -225,6 +225,7 @@
 #include <linux/smp_lock.h>
 #include <linux/dmi.h>
 #include <linux/suspend.h>
+#include <linux/kthread.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -402,8 +403,6 @@ static int			realmode_power_off = 1;
 #else
 static int			realmode_power_off;
 #endif
-static int			exit_kapmd __read_mostly;
-static int			kapmd_running __read_mostly;
 #ifdef CONFIG_APM_ALLOW_INTS
 static int			allow_ints = 1;
 #else
@@ -419,6 +418,8 @@ static const struct desc_struct	bad_bios_desc = { 0, 0x00409200 };
 
 static const char		driver_version[] = "1.16ac";	/* no spaces */
 
+static struct task_struct *kapmd_task;
+
 /*
  *	APM event names taken from the APM 1.2 specification. These are
  *	the message codes that the BIOS uses to tell us about events
@@ -1423,7 +1424,7 @@ static void apm_mainloop(void)
 	set_current_state(TASK_INTERRUPTIBLE);
 	for (;;) {
 		schedule_timeout(APM_CHECK_TIMEOUT);
-		if (exit_kapmd)
+		if (kthread_should_stop())
 			break;
 		/*
 		 * Ok, check all events, check for idle (and mark us sleeping
@@ -1706,12 +1707,6 @@ static int apm(void *unused)
 	char *		power_stat;
 	char *		bat_stat;
 
-	kapmd_running = 1;
-
-	daemonize("kapmd");
-
-	current->flags |= PF_NOFREEZE;
-
 #ifdef CONFIG_SMP
 	/* 2002/08/01 - WT
 	 * This is to avoid random crashes at boot time during initialization
@@ -1821,7 +1816,6 @@ static int apm(void *unused)
 		console_blank_hook = NULL;
 #endif
 	}
-	kapmd_running = 0;
 
 	return 0;
 }
@@ -2220,7 +2214,7 @@ static int __init apm_init(void)
 {
 	struct proc_dir_entry *apm_proc;
 	struct desc_struct *gdt;
-	int ret;
+	int err;
 
 	dmi_check_system(apm_dmi_table);
 
@@ -2329,12 +2323,17 @@ static int __init apm_init(void)
 	if (apm_proc)
 		apm_proc->owner = THIS_MODULE;
 
-	ret = kernel_thread(apm, NULL, CLONE_KERNEL | SIGCHLD);
-	if (ret < 0) {
-		printk(KERN_ERR "apm: disabled - Unable to start kernel thread.\n");
+	kapmd_task = kthread_create(apm, NULL, "kapmd");
+	if (IS_ERR(kapmd_task)) {
+		printk(KERN_ERR "apm: disabled - Unable to start kernel "
+				"thread.\n");
+		err = PTR_ERR(kapmd_task);
+		kapmd_task = NULL;
 		remove_proc_entry("apm", NULL);
-		return -ENOMEM;
+		return err;
 	}
+	kapmd_task->flags |= PF_NOFREEZE;
+	wake_up_process(kapmd_task);
 
 	if (num_online_cpus() > 1 && !smp ) {
 		printk(KERN_NOTICE
@@ -2384,9 +2383,10 @@ static void __exit apm_exit(void)
 	remove_proc_entry("apm", NULL);
 	if (power_off)
 		pm_power_off = NULL;
-	exit_kapmd = 1;
-	while (kapmd_running)
-		schedule();
+	if (kapmd_task) {
+		kthread_stop(kapmd_task);
+		kapmd_task = NULL;
+	}
 #ifdef CONFIG_PM_LEGACY
 	pm_active = 0;
 #endif
diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c
index fe158042110b..f9436989473c 100644
--- a/arch/i386/kernel/efi.c
+++ b/arch/i386/kernel/efi.c
@@ -65,7 +65,7 @@ static unsigned long efi_rt_eflags;
 static DEFINE_SPINLOCK(efi_rt_lock);
 static pgd_t efi_bak_pg_dir_pointer[2];
 
-static void efi_call_phys_prelog(void)
+static void efi_call_phys_prelog(void) __acquires(efi_rt_lock)
 {
 	unsigned long cr4;
 	unsigned long temp;
@@ -109,7 +109,7 @@ static void efi_call_phys_prelog(void)
 	load_gdt(cpu_gdt_descr);
 }
 
-static void efi_call_phys_epilog(void)
+static void efi_call_phys_epilog(void) __releases(efi_rt_lock)
 {
 	unsigned long cr4;
 	struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0);
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index dbda706fdd14..0fc4997fb143 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -31,6 +31,9 @@
 
 #include "mach_traps.h"
 
+int unknown_nmi_panic;
+int nmi_watchdog_enabled;
+
 /* perfctr_nmi_owner tracks the ownership of the perfctr registers:
  * evtsel_nmi_owner tracks the ownership of the event selection
  * - different performance counters/ event selection may be reserved for
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 814cdebf7377..000cf03751fe 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -209,9 +209,6 @@ static struct resource adapter_rom_resources[] = { {
 	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
 } };
 
-#define ADAPTER_ROM_RESOURCES \
-	(sizeof adapter_rom_resources / sizeof adapter_rom_resources[0])
-
 static struct resource video_rom_resource = {
 	.name 	= "Video ROM",
 	.start	= 0xc0000,
@@ -273,9 +270,6 @@ static struct resource standard_io_resources[] = { {
 	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
 } };
 
-#define STANDARD_IO_RESOURCES \
-	(sizeof standard_io_resources / sizeof standard_io_resources[0])
-
 #define romsignature(x) (*(unsigned short *)(x) == 0xaa55)
 
 static int __init romchecksum(unsigned char *rom, unsigned long length)
@@ -332,7 +326,7 @@ static void __init probe_roms(void)
 	}
 
 	/* check for adapter roms on 2k boundaries */
-	for (i = 0; i < ADAPTER_ROM_RESOURCES && start < upper; start += 2048) {
+	for (i = 0; i < ARRAY_SIZE(adapter_rom_resources) && start < upper; start += 2048) {
 		rom = isa_bus_to_virt(start);
 		if (!romsignature(rom))
 			continue;
@@ -1272,7 +1266,7 @@ static int __init request_standard_resources(void)
 	request_resource(&iomem_resource, &video_ram_resource);
 
 	/* request I/O space for devices used on all i[345]86 PCs */
-	for (i = 0; i < STANDARD_IO_RESOURCES; i++)
+	for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++)
 		request_resource(&ioport_resource, &standard_io_resources[i]);
 	return 0;
 }
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 020d873b7d21..82b26d5ce476 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -102,6 +102,8 @@ u8 x86_cpu_to_apicid[NR_CPUS] __read_mostly =
 			{ [0 ... NR_CPUS-1] = 0xff };
 EXPORT_SYMBOL(x86_cpu_to_apicid);
 
+u8 apicid_2_node[MAX_APICID];
+
 /*
  * Trampoline 80x86 program as an array.
  */
@@ -645,7 +647,7 @@ static void map_cpu_to_logical_apicid(void)
 {
 	int cpu = smp_processor_id();
 	int apicid = logical_smp_processor_id();
-	int node = apicid_to_node(apicid);
+	int node = apicid_to_node(hard_smp_processor_id());
 
 	if (!node_online(node))
 		node = first_online_node;
@@ -954,6 +956,7 @@ static int __devinit do_boot_cpu(int apicid, int cpu)
 
 	irq_ctx_init(cpu);
 
+	x86_cpu_to_apicid[cpu] = apicid;
 	/*
 	 * This grunge runs the startup process for
 	 * the targeted processor.
diff --git a/arch/i386/kernel/srat.c b/arch/i386/kernel/srat.c
index 32413122c4c2..f7e735c077c3 100644
--- a/arch/i386/kernel/srat.c
+++ b/arch/i386/kernel/srat.c
@@ -30,6 +30,7 @@
 #include <linux/nodemask.h>
 #include <asm/srat.h>
 #include <asm/topology.h>
+#include <asm/smp.h>
 
 /*
  * proximity macros and definitions
@@ -54,6 +55,7 @@ struct node_memory_chunk_s {
 static struct node_memory_chunk_s node_memory_chunk[MAXCHUNKS];
 
 static int num_memory_chunks;		/* total number of memory chunks */
+static u8 __initdata apicid_to_pxm[MAX_APICID];
 
 extern void * boot_ioremap(unsigned long, unsigned long);
 
@@ -69,6 +71,8 @@ static void __init parse_cpu_affinity_structure(char *p)
 	/* mark this node as "seen" in node bitmap */
 	BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain);
 
+	apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain;
+
 	printk("CPU 0x%02X in proximity domain 0x%02X\n",
 		cpu_affinity->apic_id, cpu_affinity->proximity_domain);
 }
@@ -235,6 +239,9 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
 	printk("Number of logical nodes in system = %d\n", num_online_nodes());
 	printk("Number of memory chunks in system = %d\n", num_memory_chunks);
 
+	for (i = 0; i < MAX_APICID; i++)
+		apicid_2_node[i] = pxm_to_node(apicid_to_pxm[i]);
+
 	for (j = 0; j < num_memory_chunks; j++){
 		struct node_memory_chunk_s * chunk = &node_memory_chunk[j];
 		printk("chunk %d nid %d start_pfn %08lx end_pfn %08lx\n",
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index a13037fe0ee3..6820b8d643c7 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -57,6 +57,8 @@
 
 #include "mach_traps.h"
 
+int panic_on_unrecovered_nmi;
+
 asmlinkage int system_call(void);
 
 struct desc_struct default_ldt[] = { { 0, 0 }, { 0, 0 }, { 0, 0 },